Regulating device for electric timepieces

Details Regulating device for electric timepieces Regulating device for electric timepieces

1974-01-22

1977-05-10

Weldon, Ulysses

58 855, 58 23D, G04C 300

Patent

active

040220133

ABSTRACT:
An electric timepiece having an electro-mechanical transducer for driving a mechanical time display arrangement intermittently in response to a pulse signal applied to the transducer from an electric driving circuit. A regulating device is provided having an externally and coordinately operated mechanical control member and reset switch adapted to apply a pulse of a polarity suitable to energize the transducer one second after the reset switch is returned to its normal position from its resetting position. Improved driving of mechanical gears is provided by having the gear train mounted to the same bridge member as a gear which imparts one-way motion thereto.

REFERENCES:
patent: 3059412 (1962-10-01), Epperlein
patent: 3664118 (1972-05-01), Walton
patent: 3690058 (1972-09-01), Kurita
patent: 3691753 (1972-09-01), Kurita
patent: 3744234 (1973-07-01), Kamijo
patent: 3762153 (1973-10-01), Komiyama et al.
patent: 3813873 (1974-06-01), Nakagawa

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