sound powered telephone


sound powered telephone
telefone acústico, porta voz

English-Portuguese dictionary of military terminology. 2014.

Look at other dictionaries:

  • Sound-powered telephone — A sound powered telephone is a communication device that allows users to talk to each other with the use of a handset, similar to a conventional telephone, but without the use of external power. This technology has been used for at least five… …   Wikipedia

  • sound-powered telephone — ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun : a light telephone operated by current generated by the speaker s voice …   Useful english dictionary

  • 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

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  • Field telephone — Field telephones are mobile telephones intended for military use, designed to withstand wartime conditions. They can draw power from their own battery, from a telephone exchange (via a central battery known as CB), or from an external power… …   Wikipedia

  • History of the telephone — The history of the telephone chronicles the development of electrical technology that enabled bidirectional human speech conversations over distances farther than a person could shout.Telephone prehistoryMechanical devicesBefore the invention of… …   Wikipedia

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  • Headset (telephone/computer) — A headset is a headphone combined with a microphone. Used in call centers and by people in telephone intensive jobs, headsets provide the equivalent functionality of a telephone handset with hands free operation. Many people use headsets at the… …   Wikipedia

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  • Model 500 telephone — Western Electric model 500 set made in 1951 By 1975, the Model 500 layout …   Wikipedia


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