Horology: time measuring systems or devices – With calendar indicator
Patent
1978-12-29
1981-12-01
Weldon, Ulysses
Horology: time measuring systems or devices
With calendar indicator
368 29, 368 30, 368 71, 368 72, G04B 1924
Patent
active
043039952
ABSTRACT:
An electronic wristwatch having a calendar display arrangement that is capable of memorizing and displaying date information is provided. Specifically, a digital display that is capable of displaying calendar information is coupled to a calendar display memory that is capable of selectively storing a plurality of predetermined dates therein. Operative means are coupled to the memory and the calendar display for effecting a display of the plurality of dates stored in the memory by the calendar display.
REFERENCES:
patent: 4005571 (1977-02-01), Wolff
patent: 4099372 (1978-07-01), Beyers, Jr.
patent: 4104865 (1978-08-01), Sasaki
patent: 4117657 (1978-10-01), Shimizu
Kabushiki Kaisha Suwa Seikosha
Weldon Ulysses
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