telephone repeater
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telephone repeater — telefono stiprintuvas statusas T sritis automatika atitikmenys: angl. telephone amplifier; telephone repeater vok. Fernsprechverstärker, m rus. телефонный усилитель, m pranc. amplificateur téléphonique, m … Automatikos terminų žodynas
telephone amplifier — telefono stiprintuvas statusas T sritis automatika atitikmenys: angl. telephone amplifier; telephone repeater vok. Fernsprechverstärker, m rus. телефонный усилитель, m pranc. amplificateur téléphonique, m … Automatikos terminų žodynas
Repeater — This article is about the electronic device. For other uses, see Repeater (disambiguation). A wireless repeater. A repeater is an electronic device that receives a signal and retransmits it at a higher level and/or higher power, or onto the other … 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
repeater — /rəˈpitə / (say ruh peetuh) noun 1. someone or something that repeats. 2. a repeating firearm. 3. a watch or clock, especially a watch, which may be made to strike the hour (and sometimes the quarter hour, etc.) last past. 4. Electricity an… …
Amateur radio repeater — An amateur radio repeater is an electronic device that receives a weak or low level amateur radio signal and retransmits it at a higher level or higher power, so that the signal can cover longer distances without degradation. Many repeaters are… … Wikipedia
Kingsway telephone exchange — Note: This site should not be confused with Kingsway tramway subway Kingsway telephone exchange was a Cold War era hardened telephone exchange underneath High Holborn in London.It was built as a deep level shelter underneath Chancery Lane tube… … Wikipedia
List of Edison patents — Below is a list of Edison patents. Thomas Edison was an inventor who, it is said, accumulated 1500 plus patents worldwide for his inventions. Nearly 1100 of Edison s patents were in the United States, but other patents were approved in countries… … Wikipedia
Gramophone record — A 12 inch (30 cm) 33⅓ rpm record (left), a 7 inch 45 rpm record (right), and a CD (above) A gramophone record, commonly known as a phonograph record (in American English), vinyl record (in reference to vinyl, the material most commonly used after … Wikipedia
Carbon microphone — The carbon microphone, also known as a carbon button microphone (or sometimes just a button microphone) or a carbon transmitter, is a sound to electrical signal transducer consisting of two metal plates separated by granules of carbon. One plate… … Wikipedia
Nikola Tesla — Tesla, aged 37, 1893, photo by Sar … Wikipedia
