Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent
1979-02-09
1980-12-02
Shepperd, John W.
Electrical transmission or interconnection systems
Switching systems
Condition responsive
200 511, H01H 3500, H01R 3330
Patent
active
042373867
ABSTRACT:
A touch-operated switch for electrical apparatus which includes a power connection to the apparatus, a serially connected power socket in the connection provided with a pair of terminal jacks each in the form of make-before-break electrical contacts, a plug-in module containing an electronic circuitry including a solid state power switch, two terminal means on the module for plugging into said terminal jacks, one of said terminal means comprising a pair of electrically discrete pins engaging with respective ones of the electrical contacts of one of said terminal jacks to make electrical connection therewith while opening said contacts, said pins being connected across said power switch, an energizing circuit for the electronic circuitry connected between both said terminal means, and a touch-sensitive control circuit in said electronic circuitry for controlling the operation of said power switch.
REFERENCES:
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patent: 2819358 (1958-01-01), Waldrop
patent: 2851550 (1958-09-01), Searcy
patent: 3334250 (1967-08-01), Gwin
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patent: 3493791 (1970-02-01), Adelson et al.
patent: 3523212 (1970-08-01), Murphy
patent: 3679910 (1972-07-01), Williams
patent: 3928737 (1975-12-01), Prasert
E-Comm Australia Pty. Ltd.
Shepperd John W.
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