Horology: time measuring systems or devices – With calendar indicator – Movable ring or disk
Patent
1978-05-25
1980-04-22
Miska, Vit W.
Horology: time measuring systems or devices
With calendar indicator
Movable ring or disk
368 35, G04B 1924
Patent
active
041988086
ABSTRACT:
A calendar timepiece which does not require any manual date correction at the end of even months is disclosed. The timepiece comprises an even months date correction claw mounted on a date rotational wheel and displaced into a correction position when a claw driving coil is energized by a signal delivered from means for discriminating odd months from even months.
REFERENCES:
patent: 2595467 (1952-05-01), Kellher
patent: 3477222 (1969-11-01), Leune et al.
patent: 3673789 (1972-07-01), Tsuzuki et al.
patent: 3766728 (1973-10-01), Nagy
patent: 3827234 (1974-08-01), Imanishi
patent: 3834151 (1974-09-01), Bodet
patent: 3992868 (1976-11-01), Tamaru et al.
patent: 4026100 (1977-05-01), Kume et al.
Citizen Watch Co. Ltd.
Miska Vit W.
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