Calendar correcting mechanism

Details Calendar correcting mechanism Calendar correcting mechanism

1978-11-27

1981-05-05

Miska, Vit W.

Horology: time measuring systems or devices

With calendar indicator

Setting or resetting

G04B 1924

Patent

active

042662893

ABSTRACT:
A calendar correcting mechanism for an electronic timepiece including a movable calendar member having dates thereon, and a switch cooperative with the movable calendar member for switching between electrical signals to discriminate between the 30-day and 31-day months. A motor drives the movable calendar member to display different dates. A calendar correcting circuit is responsive to the electrical signals switched by the switch for operating the motor to correct the month-end date of 30-day months by rapidly advancing the movable calendar mechanism from the 30th day to the first day of the month so as not to display the 31st day of the month.

REFERENCES:
patent: 3673789 (1972-07-01), Tsuzuki et al.
patent: 3716983 (1973-02-01), Tanaka et al.
patent: 3827234 (1974-08-01), Imanishi
patent: 3931703 (1976-01-01), Scherrer et al.
patent: 3992868 (1976-11-01), Tamaru et al.
patent: 4026100 (1977-05-01), Kume et al.
patent: 4102122 (1978-07-01), Tanaka
patent: 4188774 (1980-02-01), Besson

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