Horology: time measuring systems or devices – Chronological – With electro-optical display
Patent
1978-09-15
1980-11-25
Miska, Vit W.
Horology: time measuring systems or devices
Chronological
With electro-optical display
368 85, 368217, 368239, G04C 1900, G04C 300, G04C 1700
Patent
active
042362415
ABSTRACT:
An electronic timepiece includes a frequency supply for providing a relatively high frequency time base signal, a frequency converter responsive to the relatively high frequency time base signal to provide a timing signal, a clock signal, and a time unit signal. A timekeeping circuit is responsive to the time unit signal to provide a time information signal, and at least one of the timing signal, clock signal, and time information signal is chopped into periodic bursts to effect transfer of the at least one of the timing signal, clock signal, and time information signal from one part to another part in the timepiece. The time in response to the time information signal is displayed.
REFERENCES:
patent: 3788058 (1974-01-01), Idei et al.
patent: 3798428 (1974-03-01), Izawa
patent: 3973110 (1976-08-01), Rode et al.
patent: 3986333 (1976-10-01), Kimuka et al.
patent: 3988886 (1976-11-01), Kashio
Hashimoto Yukio
Koga Keiichiro
Morokawa Shigeru
Nomura Yasushi
Sekiya Fukuo
Citizen Watch Company Limited
Miska Vit W.
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