Correcting mechanism for hybrid display timepiece

Details Correcting mechanism for hybrid display timepiece Correcting mechanism for hybrid display timepiece

1981-06-08

1983-10-11

Truhe, J. V.

Horology: time measuring systems or devices

Regulating means

For setting

368 34, 368 69, 368308, 368319, G04B 1924, G04B 1900, G04C 300, G04G 900

Patent

active

044088965

ABSTRACT:
A timepiece having both analog and digital display includes a single stem operated correcting mechanism which adjusts each display independently. A correcting pinion, slidably mounted on a winding stem, provides for engagement at both ends thereof. In a first axial position of the winding stem, one end of the pinion engages a wheel train for correcting the analog display when the stem is rotated. In a second axial position of the winding stem, the correcting pinion engages a spring biased cam whereby electrical switches are intermittently opened and closed when the stem is rotated for correcting the digital display. Advancement or retardation of the displays depends on the direction of stem rotation.

REFERENCES:
patent: 4095405 (1978-06-01), Tanaka
patent: 4232510 (1980-11-01), Tamaru et al.
patent: 4236240 (1980-11-01), Yoshida
patent: 4253173 (1981-02-01), Jaunin
patent: 4259735 (1981-03-01), Vuille
patent: 4271494 (1981-06-01), Miyazaki
patent: 4362391 (1982-12-01), King et al.

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