Sweep seconds to jump seconds conversion for clocks

Details Sweep seconds to jump seconds conversion for clocks Sweep seconds to jump seconds conversion for clocks

1977-10-25

1979-12-11

Rubinson, Gene Z.

58 23D, 58 59, G04B 1300

Patent

active

041776305

ABSTRACT:
A simplified, mechanical analog to digital converter mechanism useful in clocks or the like includes an impulse wheel periodically actuated by the continuous rotation of a conversion wheel coupled to a drive means such as a synchronous motor. The conversion wheel has a single tangential tang struck from its planar surface which functions on each wheel revolution to engage and advance a tooth of the impulse wheel one step. A uniform shaft rotation is thereby converted to a succession of digital steps, for example, a sweep seconds hand is converted to a jump seconds indicator.

REFERENCES:
patent: 2554523 (1951-05-01), Clifford
patent: 3388605 (1969-04-01), Schafer
patent: 3408810 (1968-11-01), Meitinger
patent: 3439545 (1969-06-01), Siot
patent: 3504206 (1970-03-01), Fritsch
patent: 3590571 (1971-07-01), Niznik
patent: 3783608 (1974-01-01), Miyazawa
patent: 3817027 (1974-06-01), Wittner
patent: 3922848 (1975-12-01), Weber
patent: 3934404 (1976-01-01), Matsuura

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