Electronic timepiece and digital display therefor

Details Electronic timepiece and digital display therefor Electronic timepiece and digital display therefor

1977-02-14

1981-07-21

Miska, Vit W.

Horology: time measuring systems or devices

Plural time zones

G04B 1922

Patent

active

042802075

ABSTRACT:
An electronic timepiece including circuitry for automatically indexing the time counted thereby to represent the time at a different time zone, and a digital display that displays the particular time zone to which the time displayed by the timepiece has been indexed to, is provided. The indexing of the time displayed by the timepiece, is obtained by indexing circuitry disposed intermediate the hours counter of an electronic timepiece and the display driving circuitry. The indexing circuitry is adapted to selectively index the count of the time-keeping signals produced by the hours counter and thereby index the count of the timekeeping signal produced by the hours counter to a different time zone in response to each indexing thereof. In addition to display digits for numerically displaying time, further visual display segments are provided for indicating the particular time zone to which the numerical display has been indexed to.

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patent: 3653204 (1972-04-01), Miwa
patent: 3675411 (1972-07-01), Sakuma
patent: 3918251 (1975-11-01), Wakabayashi
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patent: 4034551 (1977-07-01), Ushiyama
patent: 4044545 (1977-08-01), Shimuzu
patent: 4072005 (1978-02-01), Teshima et al.
patent: 4123896 (1978-11-01), Asano et al.
patent: 4133170 (1979-01-01), Kashio

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