Touch sensitive switch arrangement with an I.sub.2 L structure

Details Touch sensitive switch arrangement with an I.sub.2 L structure Touch sensitive switch arrangement with an I.sub.2 L structure

1977-06-24

1980-06-10

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307315, 307299B, 368224, H03K 1700, H03K 326

Patent

active

042074797

ABSTRACT:
A touch sensitive switch arrangement with an I.sup.2 L (Integrated Injection Logic) structure includes a battery power source, a current limiter, an injector, a first-stage and second-stage switching transistors being both supplied with current from the injector, a first touch electrode connected to the positive polarity of the battery power source and a second touch electrode connected to the base of the first-stage switching transistor with electrical isolation from the first touch electrode.

REFERENCES:
patent: 3862432 (1975-01-01), Larson
patent: 3944843 (1976-03-01), Vaz Martins
patent: 3986199 (1976-10-01), Williams
patent: 3992634 (1976-11-01), Larson
patent: 4048796 (1977-09-01), Sasaki
Choosing sides in Digital Watch Technology Electronics, 6/10/76, pp. 91-99.

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