Time striking device for electronic timepiece

Details Time striking device for electronic timepiece Time striking device for electronic timepiece

1979-04-17

1980-07-15

Jackmon, Edith S.

Horology: time measuring systems or devices

Signalling means

Time condition responsive

368 72, G04B 2102, G04C 2106

Patent

active

042121540

ABSTRACT:
A time striking device for an electronic timepiece including a time striking signal detecting means coordinately arranged and installed in a time indicating gear train of an electronic timepiece and supplying a time striking signal prior to a striking time at every striking time, a reference zero second detecting means counting timepiece driving pulses and supplying a reference zero second signal, a coincidence circuit supplying a primary time striking direction signal by the coincidence of the outputs from these two detecting means, a frequency dividing circuit counting the timepiece driving pulses and sending out the secondary time striking direction signal at a desired time interval, a selecting circuit selectively supplying the primary time striking direction from the coincidence circuit and the secondary time striking direction signal from the frequency dividing circuit to a time striking section.

REFERENCES:
patent: 4148181 (1979-04-01), Scheer

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