-
21 button-type telephone dial
The English-Russian dictionary general scientific > button-type telephone dial
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22 dial
1) круговая шкала; циферблат || измерять по круговой шкале2) лимб; (градуированный) диск3) дисковый номеронабиратель; номерной диск ( в телефонии) || набирать номер4) декада (напр. магазина сопротивлений)5) трик. игольный диск, риппшайба•-
antenna repeat dial
-
calibrated dial
-
compass dial
-
direct-drive dial
-
drum dial
-
fan dial
-
feeding dial
-
feed dial
-
follow-the-pointer dials
-
glassed dial
-
graduated dial
-
luminous dial
-
push-button dial
-
select dial
-
shunting dial
-
shutter speed dial
-
sinker dial
-
slow-motion dial
-
stitch dial
-
transfer dial
-
tuning dial
-
vernier dial -
23 button-type dial
English-Russian big polytechnic dictionary > button-type dial
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24 button-type dial
The English-Russian dictionary general scientific > button-type dial
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25 dial
1) набор номера; набирать номер3) циферблат, круговая шкала•- priority dial
- push-button dial
- rotary dial
- touch-tone dial
- TV PROG dialEnglish-Russian dictionary of telecommunications and their abbreviations > dial
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26 button
= BTN1) кнопка; клавиша2) капля; навеска4) капсюль ( угольного микрофона)•- button \# 2
- buttons in window
- button on the mouse
- buttons on the taskbar
- call button
- carbon button
- ceramic disk button
- close button
- command button
- control button
- date and second button
- default button
- dial light button
- disk button
- disk eject button
- eject button
- fast forward button
- FF button
- fire buttons
- function button
- fuzz button
- Green button
- Green functions button
- hour and minute button
- key button
- left mouse button
- maximize button
- micro button
- microphone button
- middle mouse button
- minimize button
- mouse button
- navigation button
- OK button
- option buttons
- pause button
- plastic disk button
- playback button
- Power button
- power button
- press button
- press-to-talk button
- pull button
- push button
- pushing button
- push-pull button
- radio buttons
- record button
- Reset button
- reset button
- restore button
- rewind button
- right mouse button
- run button
- start button
- stop button
- surface mounted disk button
- talk-listen button
- Turbo button
- turbo button
- turbo/auto fire buttons
- turn-pull button
- turn-push button -
27 button
1) кнопка; клавиша2) капля; навеска4) капсюль ( угольного микрофона)5) вчт. якорь ( отправной или конечный пункт ссылки внутри гипертекста)•- button \#2
- button on the mouse
- buttons in window
- buttons on the taskbar
- call button
- carbon button
- ceramic disk button
- close button
- command button
- control button
- date and second button
- default button
- dial light button
- disk button
- disk eject button
- eject button
- fast forward button
- FF button
- fire buttons
- function button
- fuzz button
- Green button
- Green functions button
- hour and minute button
- key button
- left mouse button
- maximize button
- micro button
- microphone button
- middle mouse button
- minimize button
- mouse button
- navigation button
- OK button
- option buttons
- pause button
- plastic disk button
- playback button
- Power button
- power button
- press button
- press-to-talk button
- pull button
- push button
- pushing button
- push-pull button
- radio buttons
- record button
- Reset button
- reset button
- restore button
- rewind button
- right mouse button
- run button
- start button
- stop button
- surface mounted disk button
- talk-listen button
- Turbo button
- turbo button
- turbo/auto fire buttons
- turn-pull button
- turn-push buttonThe New English-Russian Dictionary of Radio-electronics > button
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28 button
1) кнопка, клавиша3) электрод•- AC button
- activate button
- ADAPTOR/TAPE MONITOR button
- all-clear button
- AUTO SP/LP TIMER button
- auto-edit button
- band select button
- blank button
- brightness button
- C Memory button
- C Reset button
- Cal button
- calibration button
- call button
- cancel button
- CARTRIDGE button
- cassette-deck buttons
- CD button
- CD-player control buttons
- CH button
- CH SET button
- channel button
- check button
- coded dial button
- color adjustment button
- color selecting button
- COLOR SYSTEM button
- contrast button
- control button
- COUNTER RESET button
- DAILY button
- DATA SYSTEM button
- Delete button
- DEMO button
- direct access button
- Direct button
- direct call button
- EDIT button
- EJECT button
- emergency button
- external line buttons
- Fade-in button
- Fade-out button
- fast forward button
- FF button
- first locking button
- Flash button
- FM MODE button
- function buttons
- GEC ON/OFF button
- group selection button
- handsfree button
- HIGH button
- Hook button
- Horizontal Centering button
- Horizontal Size button
- Index Search buttons
- indicator button
- Intercom button
- LOUD button
- LOUDNESS button
- M1-M4 buttons
- MANUAL button
- Message Searching button
- MS/CUE button
- MS/REVIEW button
- multifunctional button
- MUTING button
- NORMAL button
- numberic buttons
- OK button
- one-touch buttons
- OPEN/CLOSE button
- OPERATE button
- OSD button
- panic ARM button
- PAUSE button
- PHONO button
- Pincushion button
- PLAY button
- PLAYER button
- Power button
- PREVIEW button
- PRGRM button
- program button
- PUSH-JOG button
- push-to-talk button
- Q-peak-search button
- random button
- REC MUTE button
- REC/REC MUTE button
- Recall button
- Receive button
- RECORDER button
- Redial button
- Repeat button
- Reset button
- Resetting button
- Rev Mode button
- Reverse Mode button
- Review button
- Rewind button
- Ringer button
- Rotation button
- route button
- run button
- SCENE FINDER button
- SEARCH button
- second locking button
- SKIP button
- SLEEP button
- Smart button
- SOURCE-DIRECT button
- SP/LP/EP button
- SPEAKERS A button
- SPEAKERS B button
- speed dialing button
- start button
- Start/Copy button
- Station preset buttons
- STOP button
- STORE button
- SUBSONIC button
- SYNCHRO DUBBING button
- SYNCHRO RECORDING button
- Talk On/Off button
- Talkback button
- talk-listen button
- Tape 1 button
- Tape 2/DAT button
- time button
- time-disconnecting button
- TIMER button
- Tone button
- TUNER button
- TV VOL +/-button
- TV/VCR button
- TV/VIDEO button
- Vertical Centering button
- Vertical Size button
- VIDEO/AUX button
- volume control buttons
- wait button
- WEEKLY button
- ZERO RETURN buttonEnglish-Russian dictionary of telecommunications and their abbreviations > button
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29 кнопочный номеронабиратель
Англо-русский словарь технических терминов > кнопочный номеронабиратель
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30 telephone
1) телефон
2) телефонировать
3) телефонный аппарат
– automobile telephone
– business telephone
– coin telephone
– coin-operated telephone
– desk telephone
– dial telephone
– dial-operated telephone
– dispatching telephone
– extension telephone
– exuberant telephone
– field telephone
– hang up a telephone
– intercommunication telephone
– loudspeaker telephone
– manual telephone
– public telephone
– push-button telephone
– sound-powered telephone
– telephone booth
– telephone box
– telephone cabin
– telephone cable
– telephone call
– telephone capacitor
– telephone channel
– telephone circuit
– telephone communication
– telephone device
– telephone dial
– telephone dialer
– telephone directory
– telephone drop
– telephone equipment
– telephone exchange
– telephone handset
– telephone line
– telephone loop
– telephone network
– telephone number
– telephone repeater
– telephone seizure
– telephone set
– telephone signal
– telephone station
– telephone subscriber
– telephone switchboard
– telephone switching
– telephone system
– telephone tone
– telephone traffic
– telephone transmitter
– wall telephone
– wireless telephone
automatic telephone exchange — автоматическая телефонная станция
dispatch telephone system — диспетчерская телефонная система
exuberant telephone traffic — избыточная телефонная нагрузка
key pulsing telephone set — телефонный аппарат с кнопочным номеронабирателем
operator's telephone set jack — гнездо гарнитуры телефонистки
telephone switching device — телефонное коммутационное устройство
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31 telephone
телефонный аппарат, телефон || связываться по телефону; разговаривать по телефону; телефонировать || телефонный- bridging telephone
- business telephone
- call-back telephone
- card-operated telephone
- cellular telephone
- coin-box telephone
- community telephone
- cordless telephone
- desk telephone
- desk-type telephone
- dial telephone
- dial-in-handset telephone
- domestic telephone
- emergency telephone
- extension telephone
- field telephone
- handset telephone
- intercommunication telephone
- light-up dial telephone
- loudspeaking telephone
- magneto telephone
- manual telephone
- mobile telephone
- monetary telephone
- Nordic mobile telephone
- official telephone
- portable telephone
- public telephone
- push-button telephone
- radio telephone
- rotary-dial telephone
- sound-powered telephone
- standard table telephone
- subscriber telephone
- television telephone
- touch-tone telephone
- trimline telephone
- video telephone -
32 control
управление; органы управления; система управления; блок управления; орган настройки; проверка; надзор; воздействие; осмотр; механизм (подачи); регулирование; регулирующее устройство; орган регулировки; профилактические мероприятия; власть; контрольное управление; pl. органы управления; рычаги управления; ручки настройки; II управлять (процессом); регулировать; проверять; распоряжаться; II регулировочный; контрольный- control by fuel delivery - control by measurement - control cab - control chart - control check - control circuit - control clutch - control coefficient - control combination - control command - control console - control crank - control current - control Curvic coupling - control drive - control equipment - control failure - control force - control gauge - control gear - control handle - control housing - control housing socket - control hydraulic valve - control joint - control knob - control lamp - control lever - control line - control panel - control pedal - control pinion - control post - control rack - control rod - control room - control set - control stand - control switch - control system - control tender - control the traffic - control unit - control valve - control wire - acceleration control - air fuel control - air mixture control - air-operated control - alarm control switch - all speed control - aneroid control - assisted control - beam control - boom kick-out control level - boom shockless control switch - bucket control level - button control - chain control - choke control - close loop control system - clutch control - combustion control - constant service control - constant torque control - cycling control - depth control stop - differential lock control valve - direct control - direction control lever - directional control lever - distant control - draught control - eccentric control - electromagnetic control - electronic control - electronic control module - electronic control suspension system - electronic control with single and group operations - emission control system - ECS - engine controls - federal emission control standards - fine control - fine control hole - flow control valve - fuel control cable - fuel control dial - fuel control lever - fuel control linkage - fuel control rod - fuel-flow control - fuel ratio control - gear control - gearshift control lever - hand control - height control - hoist control - humidity control - hydraulic control - hydraulic control linkage - hydraulic control valve - hydraulic depth control - hydraulic height control - idle control - knob control - lever control - light-touch steering control - manual control - main control valve - mixture control - mode control valve - negative control valve - overheat control - pneumatic control - power control - power-assisted control - press-button control - pressure control - pulse control - push-button control - quality control - quality power level control - remote control - remote position control - resistance control - rheostatic control - rod control - safety controls - semi-automatic control - sensitivity time control - STC - sight control - snow-drift control - spark control - speed control - stepless control - stepped control - street traffic control - throttling control - time-gain control - viscosity control - wheel control - wireless control - Wool Control -
33 phone
1. n разг. телефонon the phone — у телефона; по телефону
2. n разг. телефонная трубка3. v разг. звонить по телефону4. n лингв. фона5. n физ. фонСинонимический ряд:use dial telephone (verb) call; call up; dial; input a number; punch in a phone number; ring; ring up; telephone; use dial telephone -
34 telephone
телефон, телефонный аппарат || звонить по телефону; телефонировать-
bridging telephone
-
coin-box telephone
-
dial-in-handset telephone
-
dial-tone telephone
-
field telephone
-
hands free telephone
-
handset telephone
-
monetary telephone
-
push-button telephone
-
radio telephone
-
subscriber telephone
-
television telephone
-
touch-tone telephone
-
touch telephone
-
trimline telephone -
35 set
1) комплект; набор ( кодов); группа2) установкасм. half-set 1)•- analog subscriber set
- answer relay set
- antisidetone set
- ASCII-character set
- automatic zero set
- auxiliary communication type set
- beacon set
- bridging set
- callback-telephone set
- channel set
- character set
- coded-character set
- command set
- common-battery set
- conference set
- conference-communication set
- converter set
- cord set
- cradle set
- crystal set
- customer set
- data set
- device-control code set
- dial-telephone set
- dictaphone set
- digital subscriber set
- direct-data set
- discharging set
- domestic-television set
- duplex-trunk communication set
- executive set
- expansion set
- extension set
- fiber-optic terminal set
- four-wire set
- freehand set
- frequency changer set
- G1 code set
- G2 code set
- generating set
- ground-to-airplane UHF-communication set
- handset set
- hybrid set
- incoming set
- industry TV-set
- infrared-communications set
- interface set
- key set
- key-telephone set
- language set
- LH-termination set
- local battery telephone set
- local communication set
- long distance dial set
- loud-speaking communication set
- magnet telephone set
- magneto telephone set
- manual telephone set
- matching relay set
- mosaic graphic set
- noise/interference set
- noise-immune set
- nontemporary data set
- null set
- n-wire set
- open-standard digital television set
- operator's set
- outgoing set
- paging telephone set
- paired subscriber's set
- paired telephone set
- PBX components set
- personal hearing set
- polar set
- polar-battery set
- primary group converting set
- primary trunking set
- projection set
- push-button set
- quaternary trunking set
- radiac set
- radio set
- radiosonde set
- receiving set
- relay set
- resistance set
- satellite communication set
- searching signaling set
- selective communication set
- SHF-antenna set
- simplex trunk communication set
- speaking devices set
- standard code set
- standard cord set
- station-master assistant set
- subaudio telegraph set
- subscriber set
- subscriber's cord set
- telegraph set
- telephone set
- television set
- temporary data set
- terminating set
- terrestrial satellite radio set
- tester set
- time-signal set
- tone dialing set
- transmission measuring set
- transmission test set
- transmitting set
- transponder set
- trunk communication set
- UHF-device set
- universal cord set
- universal relay set
- USB-set
- user's setEnglish-Russian dictionary of telecommunications and their abbreviations > set
-
36 illuminated
-
37 types of telephones
cordless telephone — радиотелефон, беспроводной телефон
room-to-room telephone — внутренний телефон, параллельный телефон
English-Russian combinatory dictionary > types of telephones
-
38 телефон
муж. telephone;
phone разг. позвонить кому-л. по телефону ≈ to telephone/phone (to) smb., to ring smb. up вызов по междугородному телефону ≈ trunk-call сообщить что-л. по телефону ≈ to telephone smth. у вас есть домашний телефон? ≈ are you on the telephone at home?, have you a telephone at home? телефон для тугоухих ≈ electrophone дисковый телефон ≈ dial telephone телефон доверия ≈ helpline по телефону ≈ by telephone междугородный телефон ≈ trunk-line полевой телефон ≈ portable telephone set спаренный телефон ≈ party/shared line говорить по телефону ≈ to speak on the telephone/phone вызвать к телефону ≈ to call to the telephone/phone вызов по телефону ≈ telephone call подойти к телефону ≈ to answer the telephone/phone связаться по телефону ≈ be through испорченный телефон ≈ garbled version, misinterpretationм. telephone;
phone разг. ;
провести ~ install the telephone;
по ~у on/over the (tele) phone;
говорить по ~у с кем-л. speak* to smb. over the telephone;
вызывать кого-л. к ~у call smb. to the (tele) phone;
звонить кому-л. по ~у ring* smb. up;
подойти к ~у answer the (tele) phone;
~ для справок telephone for information;
запрос по ~у telephone inquiry;
номер ~а telephone number;
сообщение по ~у telephone message;
уведомление по ~у telephone notification;
установка ~а telephone installation;
звонить по ~у с оплатой абонентом phone collect;
звонить кому-л. по международному ~у с отнесением расходов за счёт вызываемого абонента call collect;
make* a reverse charge call, call toll free амер. ;
связаться по ~у get* in touch/contact by telephone;
соединить кого-л. по ~у put* smb. through;
по ~у by/over telephone;
беспроводной ~ cordless telephone;
кнопочный ~ push-button telephone;
контактный ~ contact (telephone) number;
переносной ~ mobile telephone;
правительственный ~ hot line;
~ доверия hotline. -
39 phone
1) телефонный аппарат, телефон || звонить по телефону•-
dial-type phone
-
hoist phone
-
mine phone
-
pager phone
-
picture phone
-
push-button phone
-
video phone -
40 control
1) управление; регулирование, регулировка || управлять; регулировать2) орган управления; регулятор; орган настройки3) система управления; система регулирования4) pl средства управления; средства регулирования5) контроль; проверка || контролировать; проверять6) система контроля; система проверки7) pl средства контроля; средства проверки8) pl методы контроля; рычаги управления9) вчт контроллер10) pl вчт методы управления данными и контроля данных в процессе обработки11) pl вчт позиции управления экранного меню12) управляющий провод ( криотрона)•- access controlcontrol during material — регулирование ( уровня громкости) во время передачи сигнала
- ActiveX control - airport radar control
- air-traffic control
- amplitude balance control
- ANSI screen control
- antenna position control
- anticipatory control
- anticlutter gain control
- approach control
- armature voltage control
- artistic effect control
- astatic control
- attitude control
- audible control
- audio-fidelity control
- audio volume control
- automatic control
- automatic background control
- automatic bandwidth control
- automatic bias control
- automatic brightness control
- automatic chroma control
- automatic chrominance control
- automatic color control
- automatic contrast control
- automatic fine-tuning control
- automatic flight control
- automatic frequency control - automatic light control
- automatic load control
- automatic modulation control - automatic phase control
- automatic picture control
- automatic range control
- automatic recording level control
- automatic remote control
- automatic selectivity control
- automatic sensitivity control
- automatic tint control
- automatic voltage control
- automatic volume -control
- automatic volume expansion control - balance control
- bandspread tuning control
- bang-bang control
- bass control
- beam-rider control
- bilateral control
- black level control
- blue-gain control
- breath control
- brightness control
- brilliance control
- bumped phase control
- camera control
- carrier-current control
- Cartesian control
- cascade control
- centering control
- charge control
- chroma control
- chromaticity control
- chrominance-gain control
- closed-loop control
- coarse control
- color-saturation control
- command control
- compensated volume control
- computer control - computerized numerical control
- concurrency control
- concurrency control and recovery
- continuity control
- continuous control
- continuous feedback control
- contouring control
- contrast control
- convergence control
- convergence phase control
- counter control
- crystal control
- cue control
- cursor control
- cybernetic control
- data acquisition control
- data-link control
- data recording control
- dc motor control
- delayed automatic volume control
- depth control
- derivative control
- differential gain control
- digital control
- digital remote control
- direct digital control
- directional control
- direct manual control - distribution control
- domain-wall state control
- dramatic effect control
- drive control
- dual control
- dynamic astigmatism control
- dynamic contrast control
- echo duration control
- echo return control
- echo tone control
- electrical control
- electronic control
- electronic motor control
- embedded control
- end-point control
- end-to-end control
- environmental control
- error control
- external control
- fail-safe control - feedback tone control
- feedforward control
- field-effect conductivity control
- field linearity control
- fine-tuning control
- finite control - focus control
- focusing control
- follow-up control
- foot control
- forms control - framing control
- frequency control - front-panel control
- full-wave control
- fuzzy control
- gain control
- gain-sensitivity control
- gain-time control
- ganged volume control - global control
- green-gain control
- grid control
- ground control
- guidance control
- half-wave control
- hardware error control
- height control
- hierarchical control
- hierarchically intelligent control - high-level data-link control
- hold control
- holding control
- homing control
- horizontal-amplitude control
- horizontal centering control
- horizontal convergence control
- horizontal drive control
- horizontal hold control
- horizontal-linearity control
- horizontal parabola control
- hue control
- illumination control
- independent control
- inertial control
- infinitely fast control
- infinity control
- in-process control - intelligent control
- intensity control
- interface-shape control
- interference control
- intermediate control
- intermittent control
- internal control
- interrupt control
- inventory control - keyboard reset control
- learning control
- linear control
- linearity control
- local control
- logical control - loop control
- loudness control
- lower-level intelligent control
- manual control - master brightness control
- master gain control
- material gap control
- mechanical fader control
- medium access control - microprocessor control
- microprogrammed control
- middle control
- MIDI control
- mission control
- mobile communications control
- mode control
- motor control
- motor-concatenation control
- motor-field control
- motor-voltage control
- multicoordinate control
- multivariable control
- musical instrument digital interface control
- narrow control
- neighboring optimal control
- neuromuscular control
- noise gain control
- nuclear level control
- numerical control
- off-line control
- on-line control
- on-off control
- open-loop control
- optimal control
- organizational control
- overtemperature control
- parametric control
- parity control
- partitioned adaptive control
- passively adaptive control
- pattern control
- peaking control
- peripheral control
- phase control
- phase-shift control
- photoelectric control
- photoelectric loop control
- photoelectric register control
- pin control
- plugged control
- point-to-point control
- portamento control
- positioning control
- power up/down control
- precision control
- presence control
- priority control
- process control
- program control
- programmable gain control
- project control
- proportional control
- proportional plus derivative control
- proportional plus integral plus derivative control
- PTP control
- purity control
- push-button control
- quality control - radar traffic control - random decision-directed adaptive control
- range control
- rate control
- ratio control
- ray-control
- real-time control
- recording control
- red-gain control
- reflexive control
- regeneration control
- regional playback control
- reject control
- relay control
- relay directional control
- reliability control
- remote control
- retarded control
- rewind control
- RFI control
- ringing control
- robot control
- roll-and-pitch control
- rounding control
- saturation control
- screen control
- security controls
- selectivity control
- self-acting control
- self-organizing control
- semiremote control
- sensitivity control
- sensitivity-time control
- sequence control - servo-loop control
- set-point control
- sidetone control
- single-dial control
- size control
- slide control
- software error control
- sound control
- sound volume control
- speech control
- speed control
- spin control
- squelch control
- static control - surge control
- swept gain control - tapped control
- temperature control
- temporal gain control
- time polarity control
- time-schedule control
- time-varied gain control
- titration control
- tone control
- tone-compensated audio volume control - touch-sensitive control
- traffic control
- treble control
- trigger control
- tuning control
- undertemperature control
- unilateral control
- usage parameter control
- variable speech control
- vertical-amplitude control
- vertical-centering control
- vertical convergence control
- vertical-hold control
- vertical-linearity control
- video gain control - volume control
- white-level control
- wide control
- width control
- μP control
См. также в других словарях:
dial, dual-tone multifrequency — (DTMF) A push button device with 10 or more nonblocking push buttons designated 0 through 9. Each button, when operated, generates a double frequency signal distinctive to that button … IT glossary of terms, acronyms and abbreviations
dial — 1. A device that transmits a coded signal to actuate the central office switching equipment according to the digit dialed. A dial can be either a rotary device that is wound up and released to transmit open pulses (DC space pulses) or a touch… … IT glossary of terms, acronyms and abbreviations
dial-up — Access to a switched network, usually through a dial or push button telephone … IT glossary of terms, acronyms and abbreviations
Rotary dial — A German Fe TAp 615, (R g) a widespread rotary dial telephone of the 1960s to the 1980s The rotary dial is a device mounted on or in a telephone or switchboard that is designed to send electrical pulses, known as pulse dialing, corresponding to… … Wikipedia
speed dial — noun a function on some telephones which allows numbers to be entered into a memory and dialled with the push of a single button. verb (speed dial) (speed dials, speed dialling, speed dialled) dial (a telephone number) by using a speed dial… … English new terms dictionary
ГОСТ 19472-88: Система автоматизированной телефонной связи общегосударственная. Термины и определения — Терминология ГОСТ 19472 88: Система автоматизированной телефонной связи общегосударственная. Термины и определения оригинал документа: Circuit group telephone network traffic capacity 68 Определения термина из разных документов: Circuit group… … Словарь-справочник терминов нормативно-технической документации
кнопочный номеронабиратель — Ндп. Т астатура Номеронабиратель, которым осуществляется передача адресной информации при нажатии кнопок. Примечание Адресная информация передается импульсным или частотным способом. [ГОСТ 19472 88] Недопустимые, нерекомендуемые Т астатура… … Справочник технического переводчика
Кнопочный номеронабиратель — 329 . Кнопочный номеронабиратель Ндп. Тастатура Push button dial Номеронабиратель, которым осуществляется передача адресной информации при нажатии кнопок. Примечание. Адресная информация передается импульсным или частотным способом Источник: ГОСТ … Словарь-справочник терминов нормативно-технической документации
GPO telephones — The United Kingdom s General Post Office (GPO) had a number of telephones that were provided by them for connection to their exchanges. Until 1982 the GPO had a monopoly on the provision of all telephones within the UK and so the range was… … Wikipedia
telephone — telephoner, n. /tel euh fohn /, n., v., telephoned, telephoning. n. 1. an apparatus, system, or process for transmission of sound or speech to a distant point, esp. by an electric device. v.t. 2. to speak to or summon (a person) by telephone. 3.… … Universalium
Dual-tone multi-frequency signaling — One of the few production telephone DTMF keypads with all 16 keys, from an Autovon Telephone. The column of red keys produces the A, B, C, and D DTMF events. Dual tone multi frequency signaling (DTMF) is used for telecommunication signaling over… … Wikipedia