Touch sensitive electric switch

Details Touch sensitive electric switch Touch sensitive electric switch

1979-06-22

1981-09-15

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307247R, 307273, 328 5, 340669, H03K 326, G08B 1326

Patent

active

042899800

ABSTRACT:
An electronic switch has a sensor input responsive to a person's touch. Manual contact is sensed by a CMOS input of a one-shot multivibrator initiating the output which is used to toggle a flip-flop circuit off or on. The flip-flop output is connected to the trigger circuit of a silicon controlled rectifier, which in turn completes a circuit through a load. The switch may be a single pole, single throw switch, or if flip-flops are connected together in cascaded arrangement, a three position switch is formed.

REFERENCES:
patent: 3743865 (1973-07-01), Riechmann
patent: 3862441 (1975-01-01), Nabetani et al.
patent: 4112379 (1978-09-01), Schmidt
patent: 4152629 (1979-05-01), Raupp

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