Horology: time measuring systems or devices – Chronological – With simultaneous time indicating means
Patent
1978-09-15
1981-05-26
Miska, Vit W.
Horology: time measuring systems or devices
Chronological
With simultaneous time indicating means
368251, G04B 2302, G04C 2116
Patent
active
042701945
ABSTRACT:
An electronic timepiece includes a frequency supply for providing a relatively high frequency time base signal, a frequency converter responsive to the time base signal to provide a relatively low frequency time unit signal, timing signals, and a plurality of word pulses indicative of a plurality of data words representing time data concerning the current time and additional data concerning alarm time. A timekeeping register stores the time data and the additional data and provision is made for generating a carry signal in dependence on the time data. The information in the register is altered in response to the time unit signal and the carry signal to update the time data and provision is made to write in the additional data into the register. The coincidence between the current time and the alarm time is detected by an alarm unit which generates a coincidence signal indicative thereof. Display elements responsive to an output of the timekeeping register are operable to display the time data and the additional data.
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Hashimoto Yukio
Koga Keiichiro
Morokawa Shigeru
Nomura Yasushi
Sekiya Fukuo
Citizen Watch Company Limited
Miska Vit W.
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