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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||179/84T ; 179/103 ; 179/167|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 31 인용 특허 : 3|
There is disclosed a switch-hookless telephone set having a housing in the configuration of a handset housing, a cord, a plug and, within the housing, circuitry comprising: a ringing network including a ringing oscillator, a voice network, a receiver, a magnetic transducer performing during voice mode operation of the set as an electroacoustic transducer, and a bistable snap-action OFF-ON switch having an actuating button exposed outside the housing. The switch is coupled to the network and transducer so as, when in a first or “ringing mode”position, to ...
The improvement in a telephone set adapted to be connected over telephone lines to a central office and comprising: a ringing network operable by a.c. power supplied by a ringing signal sent over said lines from said office, such network including a ringing oscillator responsive to such signal to generate an electrical tone signal, a receiver responsive to first electrical voice-representative signals incoming from said lines to convert such signals into audible voice sounds, a transducer operable as a transmitter during voice mode operation of said set ...