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anti-sidetone

См. также в других словарях:

  • Model 102 telephone — A Western Electric model 102 telephone with B1 base and E1 handset with early spitcup mouthpiece, refitted with new cords and modular plug. The Model 102 telephone (B1 mount/set) was Western Electric s first widely distributed telephone set to… …   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

  • Invention of the telephone — The modern telephone is the result of work done by many people, all worthy of recognition of their contributions to the field. Alexander Graham Bell was the first to patent the telephone, an apparatus for transmitting vocal or other sounds… …   Wikipedia

  • Model 202 telephone — Western Electric 202 The Model 202 telephone (D1 mount/set) was a desktop telephone produced by Western Electric from 1930 through 1936. It was a modified version of the Model 102, and contained newly created anti sidetone circuitry to prevent… …   Wikipedia

  • 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

  • Model 302 telephone — A Western Electric Model 302 with thermoplastic case and an F1 handset …   Wikipedia

  • Impedance matching — In electronics, impedance matching is the practice of designing the input impedance of an electrical load (or the output impedance of its corresponding signal source) to maximize the power transfer and/or minimize reflections from the load.… …   Wikipedia

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