Horology: time measuring systems or devices – With calendar indicator – Electro-optical
Patent
1979-02-05
1981-05-26
Miska, Vit W.
Horology: time measuring systems or devices
With calendar indicator
Electro-optical
340756, G04B 1924, G09F 900
Patent
active
042701929
ABSTRACT:
An electronic wristwatch with time and full calendar displays is programmed to uniquely display specially selected dates in the year using three manually operated input terminals. A terminal operation enables the memory to receive or erase special date data which is visible on the watch face at the time of selection. Month to month progression in the calendar display mode and day to day progression on the display in the write-in or erase mode is rapidly accomplished using two terminals.
REFERENCES:
patent: 3834153 (1974-09-01), Yoda et al.
patent: 3922842 (1975-12-01), Fujita
patent: 3999050 (1976-12-01), Pitroda
patent: 4104865 (1978-08-01), Sasaki
patent: 4152768 (1978-05-01), Kuriya
patent: 4170870 (1979-10-01), Burdet
Kabushiki Kaisha Suwa Seikosha
Miska Vit W.
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