common-line group

- call pickup group
- cathode group
- channels group
- circuit group
- closed-user group
- common-line group
- contact group
- data-packet group
- data-time group
- dedicated-line group
- departmental communication radio group
- digital group
- digital television group
- digital transmission group
- diode group
- direct-channel group
- duplex radio group
- entended numbers group
- Euro-beam group
- exchange group
- external interference group
- full accessible group
- fundamental group
- generator data group
- group of blocks
- group of computers
- group of pictures
- half-group
- high-usage trunk group
- hunting group
- link group
- locked group
- low-orbit group
- master group
- messages group
- multimaster group
- nonlocked group
- Or Borealis group
- Or Concordia group
- orbit group
- outlet group
- partially-accessible group
- peer group
- primary channels group
- programmable-talk group
- pulse group
- radio group
- road communication radio group
- screening group
- secondary channels group
- terminal-endpoint functional group
- tertiary channels group
- through group
- transformer group
- trunk group
- trunking channel group
- twelve-channel group
- user group

- acoustic amplifier
- adder amplifier
- all-pass amplifier
- all-purpose amplifier
- all-radial amplifier
- antenna amplifier
- aperiodic amplifier
- audio-distribution amplifier
- audio-frequency amplifier
- audio-video amplifier
- automatic stereophonic recording amplifier
- auxiliary amplifier
- AV-amplifier
- average power amplifier
- backward-wave amplifier
- B-amplifier
- bandpass amplifier
- base amplifier
- beam-parametric amplifier
- binaural-power amplifier
- bioelectric-potential amplifier
- bistable amplifier
- bootstrap amplifier
- branching amplifier
- bridge magnetic amplifier
- bridging amplifier
- broadband amplifier
- broadcasting amplifier
- buck-boost amplifier
- buffer amplifier
- bullet amplifier
- burst amplifier
- calibrated amplifier
- camera amplifier
- capacitor-coupled amplifier
- carrier amplifier
- cascade-coupled amplifier
- cascaded amplifier
- cathode-coupled amplifier
- cavity-type diode amplifier
- ceramic amplifier
- channel amplifier
- choke amplifier
- chopper-stabilized amplifier
- chroma-bandpass amplifier
- chrominance amplifier
- clamped amplifier
- class-A amplifier
- class-AB amplifier
- class-B amplifier
- class-C amplifier
- class-D amplifier
- class-E amplifier
- class-F amplifier
- clipper amplifier
- coaxial amplifier
- coherent-light amplifier
- coincidence amplifier
- cold-cathode amplifier
- color-burst amplifier
- common-collector amplifier
- common-drain amplifier
- common-emitter amplifier
- common-gate amplifier
- common-source amplifier
- compensated amplifier
- compressor amplifier
- conference amplifier
- continuous-signal amplifier
- controlled amplifier
- controlling amplifier
- convertor amplifier
- correcting-antenna amplifier
- coupling amplifier
- cross-field amplifier
- current amplifier
- dc amplifier
- dc power amplifier
- dc restoration amplifier
- deflection amplifier
- degenerate amplifier
- degenerative amplifier
- delay amplifier
- dielectric amplifier
- differential amplifier
- differentiating amplifier
- differentiation amplifier
- digital sound processor amplifier
- digital sound-field processor amplifier
- digitally-controlled amplifier
- diode amplifier
- direct resistance-coupled amplifier
- direct-communication amplifier
- distribution amplifier
- DMB-amplifier
- Doherty amplifier
- double-circuit amplifier
- double-stream amplifier
- double-tuned amplifier
- drift-compensated amplifier
- drift-corrected amplifier
- drift-free amplifier
- driver amplifier
- dual-operational amplifier
- dual-trace amplifier
- duct amplifier
- duplex amplifier
- earlike-response amplifier
- electric-organ amplifier
- electrometric amplifier
- electron-beam amplifier
- electronically-tunable amplifier
- electron-tube amplifier
- elementary amplifier
- end amplifier
- error amplifier
- error-signal amplifier
- extender amplifier
- fader amplifier
- fast-operating amplifier
- feedback amplifier
- feedforward amplifier
- ferrite amplifier
- ferromagnetic amplifier
- fiber-optic system amplifier
- field amplifier
- field-input amplifier
- filter amplifier
- final amplifier
- fixed-gain amplifier
- flat amplifier
- flat-staggered amplifier
- flip-flop amplifier
- follow-up amplifier
- forming amplifier
- forward-wave amplifier
- four-channel power amplifier
- four-stage amplifier
- frame amplifier
- frequency-selective amplifier
- functional amplifier
- gain-matched amplifier
- gain-stabilized amplifier
- galvanic amplifier
- G-amplifier
- gated amplifier
- generator amplifier
- grounded-anode amplifier
- grounded-base amplifier
- grounded-cathode amplifier
- grounded-collector amplifier
- grounded-drain amplifier
- grounded-emitter amplifier
- grounded-gate amplifier
- grounded-grid amplifier
- grounded-plate amplifier
- group amplifier
- group reception amplifier
- group transmission amplifier
- guitar amplifier
- Gunn amplifier
- half-wave amplifier
- head amplifier
- heterodyne amplifier
- Hi-Fi amplifier
- high-current power amplifier
- high-frequency amplifier
- home theater amplifier
- horizontal amplifier
- IF amplifier
- image amplifier
- image-rejecting intermediate amplifier
- IMPATT amplifier
- inductance amplifier
- input amplifier
- instrumentation amplifier
- integrated amplifier
- integrating amplifier
- intensity amplifier
- intermediate-frequency amplifier
- intermediate-power amplifier
- interphone amplifier
- inverting amplifier
- isolating amplifier
- klystron amplifier
- laser amplifier
- launch amplifier
- light amplifier
- limiter amplifier
- limiting amplifier
- line amplifier
- line frequency amplifier
- line power amplifier
- line voltage amplifier
- linear amplifier
- lin-log amplifier
- listening amplifier
- lock-in amplifier
- locomotive receiver amplifier
- logarithmic amplifier
- loud-speaking announcement amplifier
- low-frequency amplifier
- low-noise amplifier
- low-power amplifier
- luminance amplifier
- magnetic amplifier
- magnetron amplifier
- main amplifier
- maser amplifier
- master oscillator amplifier
- matched amplifier
- matrix amplifier
- measuring amplifier
- microphone amplifier
- microstrip amplifier
- microwave amplifier
- mixing amplifier
- modulated amplifier
- monaural power amplifier
- monitoring amplifier
- monolithic amplifier
- multichannel amplifier
- multistage amplifier
- narrow-band amplifier
- narrow-gate amplifier
- n-channel amplifier
- negative resistance amplifier
- negatron amplifier
- noiseless amplifier
- noise-suppressing amplifier
- noncooled amplifier
- nondegenerate amplifier
- noninverting amplifier
- nonlinear amplifier
- note amplifier
- n-stage amplifier
- operating amplifier
- operation amplifier
- optical amplifier
- optoelectronic amplifier
- output amplifier
- overdriven amplifier
- packaged amplifier
- paging amplifier
- parallel amplifier
- paramagnetic amplifier
- parametric amplifier
- paraphase amplifier
- peaked amplifier
- personal tone amplifier
- phase sensor amplifier
- photocurrent amplifier
- pip amplifier
- plasma amplifier
- playback amplifier
- plug-in amplifier
- power amplifier
- precision amplifier
- printed-circuit amplifier
- processing amplifier
- program amplifier
- pulse-distribution amplifier
- push-pull electret amplifier
- push-pull magnetic amplifier
- quadrature amplifier
- quantum amplifier
- radio-frequency amplifier
- Raman amplifier
- R-amplifier
- RC-coupled amplifier
- reactance amplifier
- read amplifier
- reception amplifier
- reciprocal amplifier
- recording amplifier
- recuperative amplifier
- reflecting amplifier
- regenerative amplifier
- remote-tuned amplifier
- repeating amplifier
- reproducing amplifier
- resistance-capacitance amplifier
- resonance amplifier
- resonant amplifier
- reversed-feedback amplifier
- RF-amplifier
- rotary amplifier
- rotating amplifier
- running wave lamp amplifier
- saturated amplifier
- selective amplifier
- self-feedback amplifier
- sense amplifier
- separate amplifier
- series amplifier
- sharpener amplifier
- SHF-amplifier
- signal-shaping amplifier
- simplest amplifier
- simplex amplifier
- single-ended amplifier
- single-frequency amplifier
- single-section amplifier
- single-sideband amplifier
- single-sided amplifier
- single-stage amplifier
- single-step amplifier
- single-tuned amplifier
- slicer amplifier
- solid-state amplifier
- sound frequency amplifier
- source-follower amplifier
- speech amplifier
- square-low amplifier
- square-wave amplifier
- stabilized amplifier
- stable amplifier
- stagger-tuned amplifier
- stereo/mono power amplifier
- straight amplifier
- strip-line amplifier
- studio amplifier
- subscriber amplifier
- Suhl amplifier
- summing amplifier
- super-recuperative amplifier
- supersonic amplifier
- surface-acoustic-wave amplifier
- sweep amplifier
- tandem amplifier
- tapered amplifier
- telephone-repeater amplifier
- terminal amplifier
- TFT-amplifier
- threshold amplifier
- time-shared amplifier
- track-and-hold amplifier
- transceiving amplifier
- transferred-electron amplifier
- transformer amplifier
- transformer-coupled amplifier
- transimpedance amplifier
- transistor amplifier
- transmission-type amplifier
- transmitter amplifier
- traveling wave amplifier
- tuned amplifier
- tunnel diode amplifier
- TV-antenna amplifier
- two-channel playback amplifier
- two-step amplifier
- two-way amplifier
- ultralinear amplifier
- unloading amplifier
- untapered amplifier
- utility video amplifier
- vacuum-tube amplifier
- valve amplifier
- variable transmitter amplifier
- video amplifier
- video-frequency amplifier
- voltage amplifier
- voltage-controlled amplifier
- volume-limiting amplifier
- vortex amplifier
- wide-band amplifier
- writing amplifier
- X-amplifier
- X-axis amplifier
- Y-amplifier
- Y-axis amplifier
- zero-phase drift amplifier

- active network
- adjustment network
- all-pass network
- analog cellular network
- asynchronous network
- automatic secure voice communication network
- automatic voice network
- average-capacity radio-relay network
- backbone network
- banyan network
- baseband network
- baseband-switched network
- baseline network
- branched network
- bridged-T network
- broadband integrated-service digital network
- building-out network
- bus network
- butterfly network
- cable telephone network
- cable-news network
- cable-television network
- carrier recovery network
- CATV network
- cellular paging network
- cellular radio network
- circuit-switched network
- circuit-switching network
- circular radiocommunication network
- closed cellular network
- combined distribution network
- commercial communication network
- common-telegraph network
- common-telephone network
- common-user network
- communication network
- compromise network
- computer network
- computerized transport communication network
- conferencing network
- coordinate network
- copy network
- core network
- corporate network
- corporative network
- corrective network
- coupling network
- cross-connect network
- customer network
- damaged network
- data-communication network
- data-computing network
- data-transmission network
- decoding network
- decoupling network
- deemphasis network
- Deep-Space network
- degraded network
- delay-line network
- democratic network
- democratically-synchronized network
- departmental communication network
- departmental data-transmission network
- departmental engineering communication network
- departmental facsimile network
- departmental radio network
- departmental telegraph network
- departmental telephone network
- derived-services network
- despotic network
- despotically-synchronized network
- dial network
- dial-up network
- differentiating network
- digital cellular network
- discrete communication network
- dispersed network
- district center telephone network
- district telephone network
- dual network
- electric communication networks
- electric switched network
- electrically switched network
- engineering subscribers network
- enhanced other networks
- equivalent network
- expansion network
- facsimile-communication network
- federal paging network
- fiber-hubbed network
- fiber-optical network
- flip network
- four-pole network
- four-wire distribution network
- full-service network
- gas-pipeline servicing relay network
- go-around radio network
- group channels network
- group network
- half-open cellular network
- hierarchic computer network
- hierarchical computer network
- hierarchically-synchronized network
- high-capacity radio relay network
- highly hierarchical network
- highly pipelined network
- H-network
- homogeneous network
- hybrid communication network
- hybrid fiber-and-coaxial network
- inductance network
- inductance-capacitance network
- inductance-resisitance network
- inductive cable network
- information network
- in-house network
- integrated digital communication network
- integrated digital network
- integrated transport network
- integrated-services backbone network
- integrated-services digital network
- intelligent network
- interactive network
- interbuilding network
- intercity network
- intercom network
- international communication network
- interoffice transit network
- interorganization network
- intraairport communication network
- intraareal network
- intrabuilding communication network
- intraindustrial communication network
- intraindustrial telephone network
- intraobject communication network
- intraoffice network
- joint-academic network
- landing radio network
- lead network
- leased-line network
- line communication network
- line radio communication network
- linear network
- line-building-out network
- local communication network
- local paging network
- local telephone network
- local transport network
- long distance communication network
- loop network
- loudspeaker dividing network
- main network
- managed-data network
- mesh network
- message switching network
- meteorological radio network
- metropolitan-area network
- microwave network
- mid-split network
- mine telephone network
- Ministry of Communication network
- mixed network
- modem-based network
- monochannel network
- multiaccess network
- multifrequency network
- multilayer network
- multipath network
- multiple-domain network
- multiple-switching network
- multiring network
- multistation network
- multisystem network
- mutually-synchronized network
- narrowband digital integrated-service network
- nation-wide network
- n-layer network
- NMT network
- nodeless network
- nonhomogeneous network
- nonintegrated network
- nonswitched network
- nonsynchronous network
- oil-pipeline servicing relay network
- oligarchically-synchronized network
- open cellular network
- optoelectronic network
- originating-switching network
- packet wireless communication network
- packet-radio network
- packet-switching network
- parallel-T network
- passenger train-chief radio network
- passenger train-master radio network
- passive network
- personal radio network
- phase-correcting network
- planetext network
- polled network
- port-annunciation network
- preemphasis network
- press-teletype network
- primary-trunk communication network
- private intercompany network
- private voice-band network
- private-business network
- proliferated network
- protected network
- provincial center telephone network
- public-data network
- public-switched telephone network
- public-telegraph network
- public-transport network
- pulse-delay network
- pulse-forming network
- queueing network
- radial paging network
- radio network
- radiotransmitters network
- railway center radio network
- railway communication network
- railway telephone network
- random-access network
- Raynet network
- RC network
- reconfigured network
- regional communication network
- regional paging network
- reserved radio network
- resistance-capacitance network
- ring network
- ring-radial network
- ring-star network
- road communication network
- routing network
- rural telephone network
- salvation radio network
- satellite network
- secondary computerized communication network
- selective network
- separate crossover network
- shaping network
- ship telephone network
- short-haul network
- shuffle-exchange network
- silent network
- simplex zonal radio network
- simulcast network
- single-frequency network
- slotted-envelope network
- slotted-ring network
- small-capacity radio relay network
- software-defined network
- space network
- space-time-space network
- special communication network
- spread of work radio communication network
- stage-controlled network
- star network
- star-shape network
- station communication network
- submarine cable network
- subscriber's telegraph network
- switched-message network
- switching network
- synchronous-data network
- take-off radio network
- talk-TV network
- taxi radio network
- telecode communication network
- telecommunication network
- telecommunication-management network
- telegraph communication network
- telephone network
- teleprocessing network
- teletex network
- teletype network
- teletypewriter network
- television network
- telex-communication network
- temporary line dispatch radio network
- terminating switching network
- token passing network
- token-bus network
- token-ring network
- token-sharing network
- toll-telephone network
- transit network
- transmission network
- trunk telephone network
- trunking channels network
- underground antenna network
- united automatized state communication network
- urban telephone network
- video area network
- virtual network
- voice network
- water-communication network
- waterside communication network
- wire-hanger network
- wireless network
- word processor network

- acoustic alarm system
- acoustic image system
- acoustic systems
- actiontrack system
- active IR-system
- actuator system
- adaptive communication system
- adaptive teleinformation system
- adaptive telemetering system
- advanced information system
- Afsatcom system
- air system
- aircraft intercommunication system
- airfield communication system
- air-ground automatic system
- airline reservation system
- air-to-ground TV system
- alarm signal system
- alarm system
- all-channel signaling system
- ALL-IN-ONE system
- alphanumeric system
- amplified speaker system
- amplitude shift-keying system
- AMPS system
- analog cellular communication system
- analog cellular system
- analog component video system
- analog television system
- analog tropospheric system
- anisochronous system
- antenna system
- antitheft system
- AR system
- Arabsat system
- ASK system
- associated channel analog system
- asynchronous address communication system
- audio recording system
- Aurora system
- Aussat system
- automatic communication system
- automatic connection establishment system
- automatic control system
- automatic data acquisition system
- automatic telegraphy system
- automatic telephone system
- automatic tuning system
- automatized cellular system
- auxiliary alarm system
- balanced cable transmission system
- band sharing system
- base station system
- baseband system
- basic input/output system
- bass-reflex speaker system
- batch processing system
- batch transmission system
- batch-and-forward system
- batteryless system
- bilateral CTV system
- binary tariff system
- biocontrol system
- bit parallel interface system
- bit transport system
- bridge duplex system
- broadband mobile system
- broadcast satellite system
- broadcasting delivery media systems
- burglar alarm system
- byte-serial interface system
- cabinet system
- cabinetless system
- cable distribution system
- cable TV system
- call-accounting system
- call-answering system
- call-counting system
- call-distributing system
- call-processing system
- call-queueing system
- camp-on system
- CAPTAIN system
- car component audio system
- carrier reinsertion system
- carrier system
- carrier-communication system
- carrier-current communication system
- Cassegrain-Schmidt system
- cassette recording system
- cassette reproducing system
- CATRIN system
- caution system
- CD 900 system
- cellular system
- cellular-radio system
- central-battery system
- centralized control system
- chirp binary telegraph system
- cipher system
- circuit switched telecommunication system
- circuit switching telecommunication system
- circular telecontrol system
- clock system
- closed-circuit communication system
- closed-circuit telegraph system
- closed-numbering system
- code-dependent system
- code-division multiple access system
- code-independent system
- code-insensitive system
- code-sensitive system
- coding system
- coherent fiber-optic system
- collimating system
- collocated system
- color separating system
- combined numbering system
- combined power supply system
- combined satellite communication system
- common-battery system
- common-carrier system
- common-channel signaling system
- common-engineering communication system
- common-purpose cellular system
- common-using band system
- common-using cordless telephone system
- common-using paging system
- communication system
- communication traffic system
- communications system
- community antenna system
- community antenna television system
- community TV-system
- commununication switching system
- compact disk digital audio system
- compatible color television system
- compatible single sideband system
- compatible single-band system
- compatible TV-system
- complex radio communication system
- computer vision system
- computer-telephone system
- Comsar system
- Comsat system
- Conax system
- concentrated-insonation system
- conference system
- conference-communication system
- congested system
- congress-class system
- constant-current system
- control generating system
- conventional television system
- Conversant system
- cordless-communication system
- crossbar system
- crossed-coincident microphone system
- Crosspoint system
- CSE system
- C-system
- cubical video projecting system
- data processing system
- data system
- data transport system
- data-collection system
- data-compression system
- data-exchange system
- dataflow system
- data-gathering system
- data-handling system
- data-measuring system
- data-reduction system
- data-transmission system
- Decca Navigator system
- DECfax system
- decision-feedback system
- dedicated control channel system
- dedicated multimedia system
- delta-sigma system
- deluxe presentation system
- departmental communication system
- desktop-video system
- DFS/Copernicus system
- dial-telephone system
- differential phase shift-keying system
- differential-duplex system
- differential-magnetic system
- digital camera system
- digital hybrid-key telephone system
- digital mass storage system
- digital microwave radio transmission system
- digital telephone communication system
- digital transmission system
- digital TV-communication system
- Digital UNIX system
- digital-analog system
- digital-cellular system
- digital-data modulation system
- digital-effect system
- digital-message entry system
- digital-termination system
- direct-broadcasting satellite system
- directing system
- direct-modulation system
- direct-sequence system
- direct-telephone communication system
- discrete communication system
- discrete sound system
- discrete-addressing system
- disk-operating system
- DISOSS system
- dispatch telephone communication system
- dispatch-center system
- dispersed-insonation system
- distributed-insonation system
- distributed-processing system
- documental-type communication system
- Dolby systems
- domestic satellite communication system
- double-band telephone communication system
- double-channel transmission system
- double-current transmission system
- double-pole communication system
- double-sideband large carrier system
- DSCS system
- D-system
- dual-cable system
- dual-reflector system
- duplexed system
- Earth-to-space transmission system
- ECM system
- electric communication system
- electronic antishock system
- electronic data-gathering system
- electronic data-processing system
- electronic-message system
- electronic-scanning system
- electronic-switching system
- Ellipso system
- emergency telephone communication system
- emergency-broadcast system
- EMX system
- equidistant system
- error-correction system
- error-detection system
- Eutelsat system
- extensible system
- external paging system
- facsimile system
- fast-acting servicing system
- fault-tolerant system
- fax communication system
- fax transmitting system
- feed system
- fiber transmission system
- fiber-optic transmission system
- field-sequential system
- final mile system
- finishing system
- fire alarm system
- fire warning system
- first generation cellular system
- five-channel communication system
- fixed satellite system
- Flexcam system
- flexible access system
- Flitsatcom system
- focusing system
- four-channel sound system
- four-dimensional system
- four-wire telephone communication system
- frame-sequential system
- frequency shift-keying system
- frequency-carrier system
- frequency-control system
- front-bass reflex speaker system
- fully digital system
- gate system
- Gaussian system
- generalized system
- generating dynamic system
- generator-dc-motor system
- GIGASET radio system
- global positioning system
- Global system
- Gopher system
- grandfathered system
- group-alerting and dispatching system
- guide system
- hard-wired CCTV system
- hazard system
- helical-scan system
- HF-synchronizing system
- high-precision navigating system
- Hi-linear system
- home system
- home-telephone system
- home-type system
- homing-guidance system
- host system
- hydroacoustic system
- ideal communication system
- idealized system
- image informaion system
- image-forming system
- immedial servicing system
- incompatible system
- independent system
- information retrieval system
- information system radio system
- information system
- information-feedback system
- information-measuring system
- infrared alarm system
- Inmarsat system
- Inmarsat-A system
- Inmarsat-B system
- Inmarsat-C system
- Inmarsat-D system
- Inmarsat-M system
- Inmarsat-P system
- integrated telephone system
- integrated videographic teleconferencing system
- integrated-antenna system
- integrated-communication system
- integrated-modulation system
- integrated-office system
- Intelsat system
- interactive system
- intercarrier-sound system
- intercommunication system
- intercontinental tropospheric system
- interlock system
- intermachine exchange system
- intermediate system
- international communication system
- interphone system
- Intervision system
- intraband signaling system
- intruder alarm system
- inward-outward dialing system
- ionoscatter system
- ionosphere sounder system
- ionospheric system
- Iridium system
- isolated system
- Italsat system
- J-carrier system
- joint-multichannel trunking and switching system
- K-carrier system
- key system
- key-telephone system
- land satellite communication system
- large-grained communication system
- laser communication system
- L-band satellite system
- L-carrier system
- Leasat system
- lightning protection system
- limited distortion system
- line amplifiers system
- link system
- little-channel relay system
- local alarm system
- local battery system
- local communication system
- local radio paging system
- long-haul system
- long-range system
- loop system
- loud-speaking communication system
- low-traffic system
- magnetic tape recording system
- Mail system
- management-information system
- manual cellular system system
- manual telephone set system
- Marisat system
- master television system
- master-antenna television system
- matrix sound system
- message feedback system
- message procession system
- message registration system
- message-switched system
- meteor radio system
- Metrobus system
- micro component system
- Micro Press Cluster Printing system
- micro-lens system
- microprocessor system
- microwave relay system
- midi system
- mine radio telephone system
- mini system
- mixed media system
- mixed numbering system
- mobile cellular communication system
- mobile land communication system
- mobile radio system
- mobile relay system
- mobile system
- modulated system
- monetary mobile system
- MS-Mail system
- multiareal system
- multicassette system
- multichannel telephone system
- multicomputer system
- multidisk system
- multiformat recording system
- multifrequency tone signaling system
- multiguard system
- multilevel mixed system
- multimedia system
- multiple-channel system
- multiqueue system
- Multiscrypt system
- multistandard system
- multitrack editing system
- mutibeam antenna system
- muting system
- Nagravision system
- NAMTS system
- narrow-angle TV system
- national communication system
- navigation system
- n-channel communication system
- n-channel DPSK system
- n-channel transmission system
- network standalone system
- network system
- network-operation system
- networks numbering system
- neutral direct-current telegraph system
- n-head video system
- NMT system
- noise-reduction system
- nonhoming tuning system
- noninterlaced television system
- nonsegmented system
- Norsat system
- n-satellite system system
- n-tone DPSK system
- n-tone MFSK system
- NTSC system
- NTT system
- obligatory message system
- Odyssey system
- off-line system
- on-line computer system
- on-line secured system
- open numbering system
- open system
- operative-engineering communication system
- opposite signals system
- optical-communication system
- optical-information system
- optical-projection system
- optoelectronic system
- oscillating system
- oscillation system
- outband signaling system
- package-and-resource tracking system
- pagemaster system
- paging system
- PAL system
- parametric system
- PATHWORKS system
- pattern recognition system
- personal holding guard system
- phase shift-keying system
- phone system
- Piccolo system
- pilot-controller system
- polar direct-current telegraph system
- portable mobile system
- power control system
- power controlling system
- power-line carrier system
- power-supply system
- press-to-talk system
- Prestel system
- primary-supply system
- privacy system
- private branch paging system
- private movable system
- private videodata system
- private videotex system
- process-interface system
- PROFS system
- programmable cross-connect system
- programmable cross-connected system
- programmed radio system
- prompting system
- protected wireline distribution system
- protection system
- pseudoquadraphony system
- pseudotrunking system
- public videodata system
- public videotex system
- pulse-code system
- pulse-frequency system
- pulse-time system
- quadraphonic sound system
- quadruple-diversity system
- R1 system
- R2 system
- radio buoy system
- radio command system
- radio communication system
- Radio Data system
- radio facsimile system
- Radiocom 2000 system
- radio-control system
- radio-paging system
- radio-relay system
- radiosonde-radio-wind system
- radio-telemetering system
- real time pulse-echo system
- real time system
- receiver lockout system
- recording system
- recovery system
- redundant system
- reference-information system
- regional electronic payment system
- relay-radio system
- remote concentrating system
- remote control system
- remote diagnostic system
- remote information system
- remote semiconcentrating system
- remote sensing system
- remote signaling system
- rendering system
- rerecording system
- reserved servicing system
- RF/Transmission system
- rotary system
- safety alarm system
- safety system
- Satcom system
- satellite comminication system
- satellite marine comminication system
- Satellite Master Antenna Television system
- satellite radio system
- satellite-aircraft communication system
- SB-communication system
- SBL communication system
- scalable system
- scanning trunking system
- SCO UNIX system
- searchless identification system
- seat reservation system
- SECAM system
- second generation cellular system
- second room system
- secondary supply system
- secrecy system
- section communication system
- security system
- segmented system
- seismic system
- selective calling system
- selective frequency base station system
- selective protective system
- selective telephone system
- self-adjusting system
- self-balancing differential system
- self-contained system
- self-test system
- selsyn system
- semiautomatic-switching system
- semiautomatized cellular system
- sensory system
- servo system
- shadow-batch system
- short-haul microwave system
- Sicral system
- Sigma Servo system
- signal system
- simplex movable system
- single-band transmission system
- single-busbar system
- single-cable communication system
- single-cable system
- single-channel system
- single-current transmission system
- single-pulse tracking system
- Skynet system
- small-grained communication system
- SmarTrunk II radio communication system
- solid-state uninterruptible power battery system
- Sony bus system
- sound alarm system
- sound equalization system
- sound navigation system
- sound reinforcement system
- sound warning system
- space-division system
- space-switched system
- spark-safe system
- speaker system
- special communication system
- speech-processing system
- speech-recognition system
- split-speaker system
- spread-spectrum system
- stabilizing system
- stage monitoring system
- standalone double point system
- star-circuit system
- STAREX CMX system
- starting communication system
- start-stop system
- stationary satellite system
- step-by-step system
- stereo sound system
- stereophonic sound system
- storage system
- storage-and-retrieval system
- Strowger system
- submarine fiber-optic system
- subprimary digital transmission system
- subscriber carrier system
- subscriber switching system
- suffix system
- Supersat system
- supervisory control system
- surround sound system
- switched telecommunication system
- switching system
- sync communication system
- synchro system
- synchronous communication system
- synchronous digital system
- TAGS system
- tandem system
- tariffication system
- T-carrier system
- TDF system
- teleautomatic system
- Telecom system
- telecommunication system
- telecommunications system
- telecommunication-service priority system
- telecommunications-service priority system
- telecontrol system
- telemechanic system
- telemetering system
- telemetry system
- telephone system
- telephone-answering system
- telephone-communication system
- telephone-communications system
- teleprocessing system
- Telesat system
- teletex system
- teletypewriter system
- television-telephone system
- Tele-X system
- Telsar system
- terminal system
- terrestrial radio-relay system
- theft-prevention system
- thin-route system
- third generation communication system
- three-axle stabilizing system
- three-channel HF-telephone system
- three-channel transmission system
- three-color system
- three-lens optical system
- three-primary system
- three-wire system
- time-dissemination system
- time-frequency hopping system
- time-switched system
- total access communication system
- total area coverage system
- transmission system
- trichromatic system
- triple-interlace system
- triplex system
- trunk communication system
- TV-observation system
- twelve-channel transmission system
- two-arm system
- two-band system
- two-color system
- two-roller transfer system
- two-step control system
- two-way CATV system
- two-way system
- two-wire telephone communication system
- ultra-match system
- ULTRIX system
- unified radioaccess system
- unilateral-control system
- unilateral-synchronization system
- uninterruptible-power system
- Unisat system
- universal alarm system
- universal-battery system
- universal-electronic system
- universal-movable system
- Uniworks system
- vestigial-sideband system
- video editing system
- video home system
- video recording system
- videocom system
- videoteleconference system
- videotex system
- virtual studio system
- vision system
- vocoder system
- voice dialog system
- voice frequency carrier telegraph system
- voice modulation system
- voice post system
- volume control system
- waiting system
- warning system
- watch system
- watching system
- waterside facsimile communication system
- wave-propagating system
- wide-angle TV system
- Winfax Pro system
- wired broadcasting system
- wireless CCTV system
- wireless home system
- wireless infrared speaker system
- wire-radio communication system
- XY system
- zone-selective protection system
- zoning system

- access-barred signal
- accompanying-sound signal
- acoustic signal
- active line duration signal
- actuating signal
- address-complete signal
- address-incomplete signal
- alarm indication signal
- alarm signal
- alternating mark-inversion signal
- amplitude-modulated signal
- analog electric signal
- analog signal
- ancillary signal
- anisochronous signals
- answer signal
- aperiodic signal
- arrival signal
- audible signal
- authentication signal
- B signal
- background signal
- backward signal
- band-limited signal
- bell signal
- bidirectional signal
- binary signal
- bipolar signal
- black signal
- black-burst signal
- blanketing signal
- blocking acknowledgement signal
- blocking signal
- blue signal
- broadband coding signal
- busy signal
- buzzer signal
- B-Y signal
- call signal
- call-accepted signal
- call-acknowledgement signal
- callback ring signal
- call-confirmation signal
- call-control signal
- called number signals
- called-terminal answered signal
- called-terminal engaged signal
- call-failure signal
- calling indicator signal
- calling signal
- call-not-accepted signal
- call-progress signal
- call-request signal
- call-sending check signal
- camera signal
- carrier chrominance signal
- carrier color signal
- carrier sense signal
- carrier signal
- case-shift signal
- caution signal
- cellular signal
- channel-identification signal
- chirp signal
- chroma signal
- chrominance signal
- chrominance video signal
- circuit group congestion signal
- clear-back signal
- clear-confirmation signal
- clear-forward signal
- clearing signal
- clock signal
- code signal
- color bar signal
- color identification signals
- color signal
- color-difference signal
- color-picture signal
- color-separated signal
- color-sync signal
- common emergency signal
- common-mode signal
- compelled signal
- complete-address signal
- complex TV-signal
- component-coded digital video signal
- composite color sync signal
- composite video signal signal
- compressed-video signal
- conference communication signal
- confirmation-to-receive signal
- confusion signal
- connection-in-progress signal
- continuous time signal
- control track signal
- convergence signal
- cosine signal
- counterphase signal
- crosstalk signal
- cue signal
- danger signal
- data signal
- data-transfer request signal
- dc signal
- DCE clear signal
- DCE waiting signal
- desk-spot signal
- detected signal
- detection signal
- differential signal
- digital component video signal
- digital signal
- directivity signal
- disable signal
- discernible signal
- disconnect signal
- discrete-time signal
- dither signal
- doubleside signal
- driving signal
- DTE-clear signal
- duress signal
- electric signal
- electrooptic signal
- emergency signal
- enable signal
- enciphered signal
- encoded signal
- end-of-copy signal
- end-of-impulsing signal
- end-of-pulsing signal
- end-of-selection signal
- engaged signal
- error signal
- excitation signal
- exponential signal
- facsimile signal
- false signal
- fate signal
- fault signal
- feedback signal
- field sawtooth signal
- field synchronization signal
- figures-shift signal
- finite signal
- first-buzzer signal
- floating signal
- foreground signal
- forward recall signal
- four-aspect signal
- frame sync signal
- frame-alignment signal
- framing signal
- free-line signal
- full-frame test signal
- functional signal
- gate signal
- Gaussian signal
- green signal
- group signal
- G-Y signal
- hang-up signal
- HF signal
- homochronous signal
- horizontal sync signal
- hydroacoustic signals
- idle indication signal
- in-band signal
- information signal
- inhibiting signal
- injection signal
- in-phase signal
- input signal
- interfering signal
- intermediate-frequency signal
- international-code signal
- interoffice signals
- interrupt signal
- inversion signal
- isochronous signals
- jam signal
- left signal
- left-backward signal
- left-forward signal
- line sawtooth signal
- line synchronization signal
- linear signal
- line-drop signal
- line-out-of-service signal
- load-off signal
- local signal
- locking signal
- loop-down signal
- loop-error signal
- loop-up signal
- low-frequency signal
- luminance staircase signal
- M signal
- marking signal
- MAYDAY signal
- mesochronous signal
- microwave signal
- minimum descernible signal
- minimum detectable signal
- modulated signal
- modulating signal
- monitor signal
- monitoring signal
- monochromatic signal
- monophonic signal
- multichannel telephony signal
- multipage signal
- multiplexed signal
- multitone test signal
- music melody signal
- narrowband return signal
- n-level output signal
- noise-free signal
- noise-shaped signal
- noncompelled signal
- noncomposite color picture signal
- note-off signal
- note-on signal
- n-position signal
- number received signal
- offering signal
- off-hook signal
- on-hook signal
- optical signal
- optimal amplitude signal
- orthogonal signal
- out-of-band signal
- output signal
- PAN-signal
- periodic signal
- permanent signal
- phantom signal
- phasing signal
- pickup signal
- picture signal
- picture-phone signal
- picture-shading signal
- pilot signal
- playback signal
- plesiochronous signal
- polar signal
- polling signal
- power signal
- pre-video signal
- primary signal
- probing signal
- proceed-to-select signal
- proceed-to-transmit signal
- program signal
- protection signal
- pseudonoise signal
- pulse control signal
- pulse signal
- pulsed signal
- Q-signal
- quadrature-phase subcarrier signal
- quantized signal
- quasi-harmonic signal
- radio-frequency signal
- radioimpulse signal
- radio-time signals
- reading signal
- ready-for-data signal
- ready-to-receive signal
- recall signal
- receiving acknowledgement signal
- rectangular signal
- RED signal
- red signal
- RED/BLACK signal
- redundant signal
- reference signal
- regenerated signal
- regular signal
- reorder signal
- request signal
- request-for-repetition signal
- re-reflected signal
- rering signal
- reset signal
- residual signal
- retransmitted signal
- return signal
- returned signal
- rewrite signal
- rewriting signal
- right signal
- right-backward signal
- right-forward signal
- ringing signal
- ring-off signal
- round-the-world signal
- runout signal
- safety signal
- sampled signal
- saturation signal
- saw-toothed signal
- second buzzer signal
- secondary signal
- security signal
- seizing signal
- sending acknowledgement signal
- sensed signal
- service signal
- shading compensation signal
- shading signal
- silhouette signal
- simplest sync signal
- sin signal
- single-ended signal
- single-sideband signal
- smear signal
- SOS-signal
- sound signal
- space signal
- speech signal
- spurious signal
- start dialing signal
- start signal
- start-record signal
- start-stop signal
- station answer signal
- stereophonic signal
- stop signal
- stop-record signal
- stuffed signal
- supersync signal
- supervisory signal
- suppressed sideband signal
- switch signal
- switchover signal
- synchronous signal
- synphase signal
- system busy signal
- teledata signal
- telegraph-control signal
- telephone-control signal
- ternary signal
- testing signal
- test-line signal
- test-pattern signal
- threshold signal
- ticker signal
- time signals
- timing reference signal
- total television signal
- transmission confirming signal
- triangular signal
- triggering signal
- tristimulus signal
- TV-control signal
- TV-transmission signal
- undesired signal
- unstuffed signal
- unvoiced signal
- urgent signal
- vertical synchronization signal
- vestigial sideband signal
- videoimpulse signal
- visual message signal
- voice analog signal
- voice answer signal
- wanted signal
- warning signal
- weighted signal
- white signal
- write signal
- writing signal
- Y-signal

* * *

* * *

* * *
- method of assurance
- method of borehole section correlation
- method of calculating gas reserves
- method of circles
- method of defining petroleum reserves
- method of defining reserves
- method of determining static corrections
- method of drilling
- method of drilling with hydraulic turbine downhole motor
- method of drilling with hydraulic turbine downhole unit
- method of estimating reserves
- method of evaluating petroleum reserves
- method of formation
- method of formation damage analysis
- method of formation heterogeneity analysis
- method of formation nonuniformity analysis
- method of increasing oil mobility
- method of limiting well production rate
- method of liquid saturation determination
- method of maintaining reservoir pressure
- method of maintaining reservoir pressure by air injection
- method of maintaining reservoir pressure by gas injection
- method of maintaining reservoir pressure by water injection
- method of measuring critical water saturation
- method of mirror
- method of operation
- method of planting
- method of sample taking
- method of sampling
- method of sharpening
- method of stimulating production
- method of strong formation explosions
- method of testing
- method of three coefficients
- airborne magnetometer method
- air-hammer drilling method
- airlift well operation method
- alcohol-slug method
- arc refraction method
- aromatic adsorption method
- average velocity method
- average velocity approximation method
- bailer method of cementing
- band method
- barrel per acre method
- Barthelmes method
- basic volume method of estimating reserves
- beam pumping well operation method
- blasthole method
- bomb method
- borderline method
- borehole method
- borehole wall consolidation method
- bottom-packer method
- bottom water isolation method
- bottom water shutoff method
- bottomhole pressure build-up method
- broadside refraction method
- cable tool percussion drilling method
- Cabot method
- building method
- bullhead well control method
- capillarimetric method for determination wettability
- carbonized water injection method
- casing method of cementing
- casing-pressure method
- catenary pipe laying method
- cementing method
- cetane test method
- charcoal method
- chemical method of borehole wall consolidation
- chemical method of borehole wall lining
- circulating method
- clean recirculation method
- cold method of oil fractionation
- combination drilling method
- common-depth-point method
- common-midpoint method
- common-reflection-point method
- compressional-wave method
- concurrent method
- concurrent method of well killing
- constant bottomhole pressure well control method
- constant casing pressure method
- constant pit level method
- continuous-correlation method
- continuous-profiling method
- controlled directivity reception method
- converted wave method
- copper dish method
- correlation method of refracted waves
- correlation refraction method
- countercirculation-wash-boring method
- crosshole method
- cube method
- curved-path method
- cyclic steam-soaking secondary oil recovery method
- cycloidal ray-path method
- cylinder method
- deep-hole method
- deep-refraction method
- delay-and-sum method
- derrick assembling method
- derrick erection method
- desalting method
- development method
- dewatering method
- diesel cetane method
- differential liberation method
- diffraction stack method
- dipole profiling method
- direct method of orientation
- directional survey method
- dispersed gas injection method
- displacement method of plugging
- distillation method
- distillation method of liquid saturation determination
- double control method
- downhole method
- downhole sucker-rod pump well operation method
- down-the-hole induced polarization method
- drill steam method of coke removal
- driller's method
- driller's well control method
- drilling method
- drilling-in method
- dual coil ratiometer method
- effusion method
- electrical method of geophysical prospecting
- electrical-audibility method
- electrical-exploration method
- electrical-logging method
- electrical-prospecting method
- electrical-sounding method
- electrical-surveying method
- electrochemical method of borehole wall consolidation
- electrochemical method of borehole wall lining
- electromagnetic method of orientation
- electromagnetic-exploration method
- electromagnetic-prospecting method
- electromagnetic-profiling method
- electromagnetic-sounding method
- electromagnetic-surveying method
- enhanced recovery method
- enriched gas injection method
- Eshka method
- evaporation method of measuring critical water saturation
- exploration method
- exploration prospecting survey method
- exploration seismic method
- explosion drilling method
- explosion seismic method
- express method
- express method of production calculation
- filter-and-sum method
- fire flooding method
- firing line method
- first-break method
- first-event method
- float-and-chains method
- float-on method
- formation evaluation method
- four-point control method
- fracture method
- freepoint-string shot method
- freezing method
- freezing point depression method
- from-bottom-upward method of derrick assembling
- from-top-downward method of derrick assembling
- frontal advance gas-oil displacement method
- Galician method
- gamma-ray method
- gas blow-around method
- gas-chromatography method
- gas-drive liquid propane method
- gaslift well operation method
- gas-production test method
- gas-recovery method
- geological petroleum exploration method
- geological petroleum prospecting method
- geophysical petroleum exploration method
- grasshopper pipeline coupling method
- gravity method of geophysical prospecting
- gravity exploration method
- heat injection secondary oil recovery method
- hectare method of estimating reserves
- hesitation method
- high-pressure dry gas injection method
- high-resolution method
- hit-and-miss method
- holoseismic method
- horizontal-loop method
- hot-water drive method
- hydraulic drilling method
- hydraulic fracturing method
- hydraulic hammer drilling method
- hydraulic jet drilling method
- hydrodynamic method of calculating oil production
- hydrodynamic drilling method
- ice-plug method
- image method
- indirect method of orientation
- induction logging method
- infiltration method
- injection flow method
- in-situ combustion method
- interval change method
- isolation method
- isoline method of reserves estimation
- Kiruna method
- knock intensity method
- lamp method
- lean mixture rating method
- liquid solvent injection method
- logging method
- long-hole method
- long-interval method
- long-wire transmitter method
- luminescent-bitumen method
- magnesium-hydroxide method
- magnetic method of geophysical prospecting
- magnetic-exploration method
- magnetic-flaw detection method
- magnetic-particle method
- magnetic-particle flaw detection method
- magnetoelectrical control method
- magnetometrical method
- magnetotelluric method
- magnetotelluric-exploration method
- magnetotelluric-sounding method
- maintenance method
- mercury injection method of measuring critical water saturation
- micrometric method of rock analysis
- microseismic method
- migration method
- mining method
- moving-plug method of cementing
- moving-source method
- mud-balance method
- mudcap method
- mudflush drilling method
- multiple detection method
- nonionic surfactant water solution injection method
- nonreplacement method
- Norwegian method
- oil drive method
- oil production method
- oil recovery method
- oil withdrawal method
- one-agent borehole wall consolidation method
- one-agent borehole wall lining method
- one-circulation well control method
- outage method
- oxygen-bomb method
- parabolic method
- passive method
- pattern method
- pattern-type gas injection method
- penetration method
- penetrating fluid method
- percussion method
- perforation method
- Perkins method
- phase-velocity method
- physicochemical method of borehole wall consolidation
- physicochemical method of borehole wall lining
- picric acid method
- pipe-bridge method
- pipe-driving method
- pipeline-assembly method
- pipeline-coupling method
- placement method
- plane front method
- plasma drilling method
- polarization method
- Poulter method
- pour point depression method
- pressure build-up method of formation damage analysis
- pressure build-up method of formation heterogeneity analysis
- pressure-drop method of estimating gas reserves
- primary oil recovery method
- probe method
- producing method
- producing well testing method
- production method
- production test method
- profiling method
- projected-vertical-plane method of orienting
- prospecting method
- pump-out method
- punching method
- radioactive method
- radioactive method of geophysical prospecting
- radio-direction-finder method
- ray-path method
- ray-stretching method
- ray-tracing method
- record presentation method
- recovery method
- rectilinear ray-path method
- reflection method
- reflection interpretation method
- refracted wave method
- refraction method
- refraction correlation method
- refraction interpretation method
- reliability method
- reliability matrix index method
- remedial cementing method
- replacement method
- repressuring method
- resistivity method
- restored-state method of measuring critical water saturation
- retort method of liquid saturation determination
- reversed refraction method
- ring-and-ball method
- rod tool percussion drilling method
- rodless pump well operation method
- roll-on method
- rope-and-drop pull method
- rotary drilling method
- rotation drilling method
- sampling method
- sand jet method
- saturation method
- saturation method of pore volume measurement
- secondary oil recovery method
- sectional method of pipeline assembly
- sectional pipe-coupling method
- sectorial pipe-coupling method
- sedimentology method of measuring particle size distribution
- seismic method
- seismic method of geophysical prospecting
- seismic-detection method
- seismic-exploration method
- seismic-identification method
- seismic-interpretation method
- seismic-reflection method
- seismic-refraction method
- self-potential method
- sequence firing method
- shear-wave method
- short-hole method
- shot-drilling method
- shot-popping method
- side-tracking method
- side-wall coring method
- single-core dynamic method
- single-fold continuous-coverage method
- slalom-line method
- small-bore deep-hole method
- soap suds method
- sounding method
- spontaneous polarization method
- squeeze cementing method
- squeezing method
- standardizing performance method
- standby method
- stationary liquid method of relative permeability determination
- statistical method of calculating oil production
- statistical method of estimating reserves
- steam oil drive method
- stepwise method of McCabe and Thiele
- stimulation method
- stove pipe method
- stove pipe flange method of rolling beams
- straight ray-path method
- subsurface method of geophysical prospecting
- suction method of cleaning
- summation method
- surface method of geophysical prospecting
- surface-wave method
- swabbing method
- swinging-gage method
- tertiary oil recovery method
- testing method
- thermal-acid formation treatment method
- thermal-recovery method
- thickened water injection method
- three-dimensional seismic method
- thumper method
- top-packer method
- towing method
- transient method of electrical prospecting
- transmitted wave method
- transposed method
- triaxial test method
- tubing method of cementing
- two-agent borehole wall consolidation method
- two-agent borehole wall lining method
- two-circulation well control method
- ultrasonic method
- ultrasonic flaw detection method
- variable-area method
- velocity-analysis method
- vertical loop method
- Vibroseis method
- Vlugter method of structural group analysis
- volume method of estimating reserves
- volume-statistical method of estimating reserves
- volume-weight method of estimating reserves
- volumetric method of estimating reserves
- volumetric-genetic method of estimating reserves
- wait-and-weight well-control method
- Walker's method
- wash-and-drive method
- washing method
- water flooding method
- water influx location method
- weathering computation method
- weight-drop method
- weight-saturation method
- well-casing method
- well-completion method
- well-control method
- well-drill method
- well-geophone method
- well-operation method
- well-shooting method
- well-testing method
- wireline method
- X-ray diffraction method