Switch control unit for electronic timepiece

Details Switch control unit for electronic timepiece Switch control unit for electronic timepiece

1976-05-24

1978-06-13

Witkowski, Stanley J.

58 855, G04C 300

Patent

active

040941353

ABSTRACT:
A switch control unit for an electronic timepiece comprises a plurality of control switches and a sequence decoding circuit which detects sequences of actuations of the control switches to provide a plurality of output signals in dependence on varying combinations of sequences of actuations of the control switches. In modified form, the switch control unit comprises a plurality of control switches, a detecting circuit to detect numbers of actuations of each of the control switches thereby to provide outputs in dependence on varying combinations of numbers of actuations of the control switches, and a decoding circuit to decode the outputs from the detecting circuit to provide a plurality of output signals.

REFERENCES:
patent: 3948035 (1976-04-01), Kusumoto

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