Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1981-04-17
1983-06-21
Bookbinder, Marc E.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
200 52R, 200 81H, 334 8, 3581941, H03J 900, H04B 106
Patent
active
043897312
ABSTRACT:
A touch type tuner of television is equipped with a touch control mechanism which has a plurality of touch fingers, each thereof having one end abutting against touch buttons of the tuner respectively. The touch control mechanism is communicating with a remote control box by a plurality of flexible tubes connecting therebetween. As one of the push buttons of the remote control box is depressed, an air pressure is transmitted through the tube to blow a bellows which subsequently biases a movable body forwards and actuates a potential conducting line to contact with the other end of the corresponding touch finger, whereby the remote control of selection is achieved.
REFERENCES:
patent: 2019316 (1935-10-01), Morey
patent: 2805379 (1957-09-01), Troeller et al.
patent: 2838629 (1958-06-01), Panzenhagen
patent: 3080720 (1963-03-01), Downs et al.
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