Horology: time measuring systems or devices – Regulating means – For setting
Patent
1979-03-22
1981-12-15
Weldon, Ulysses
Horology: time measuring systems or devices
Regulating means
For setting
368190, G04C 900
Patent
active
043063020
ABSTRACT:
An electronic timepiece equipped with a rotatable operating member which actuates a switch, and means for detecting the direction of rotation of the operating member to utilize a signal produced by the switch for correction of information displayed by the timepiece, the information to be corrected being selected in accordance with the direction of rotation of the operating member.
REFERENCES:
patent: 3643419 (1972-02-01), Motta
patent: 3668859 (1972-06-01), Polin et al.
patent: 3733803 (1973-05-01), Hiraga et al.
patent: 3911665 (1975-10-01), Van Berkum
patent: 3931703 (1976-01-01), Scherrer et al.
patent: 4091612 (1978-05-01), Meisner et al.
patent: 4157647 (1979-06-01), Takahashi et al.
Sekiya Fukuo
Watanabe Minoru
Citizen Watch Company Limited
Weldon Ulysses
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