High frequency reed time governor for a timepiece

Details High frequency reed time governor for a timepiece High frequency reed time governor for a timepiece

1975-06-09

1977-03-08

Hix, L. T.

58 23V, G04C 304

Patent

active

040106020

ABSTRACT:
A high frequency reed time governor for a timepiece comprises a high frequency reed made from a temperature stable material which oscillates above 1,000 Hz and a low frequency reed which oscillates below 500 Hz. A pair of magnets are coupled to each reed in a spaced relationship to interact with a common coil. The low frequency reed is coupled to the gear train of the timepiece through a click spring to provide a reliable mechanical pickup and it also oscillates as a motor in synchronism with the high frequency governed reed.

REFERENCES:
patent: 3207965 (1965-09-01), Lavet
patent: 3591814 (1971-07-01), Clifford
patent: 3594621 (1971-07-01), Stechmann
patent: 3602842 (1971-08-01), Smith
patent: 3648453 (1972-03-01), Aizawa
patent: 3925734 (1975-12-01), Smith

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