Horology: time measuring systems or devices – Chronological – With simultaneous time indicating means
Patent
1979-09-18
1981-02-10
Jackmon, Edith S.
Horology: time measuring systems or devices
Chronological
With simultaneous time indicating means
368 30, 368 76, 368 84, 368113, 368242, G04B 1924, G04C 1900, G04E 1306, G04F 800
Patent
active
042505720
ABSTRACT:
A watch module construction including a digital display device composed of a liquid crystal display cell and an analog display device composed of time indicating hands. A cell support frame is disposed on one side of each of a base plate and a circuit board aligned substantially on the same plane as the base plate. The cell support frame has a first recess in which the liquid crystal display cell is disposed, and a second recess in which the time indicating hands are disposed. An IC chip is mounted on the other side of the circuit board in substantially axial alignment with the display cell, and a wheel train mechanism is disposed on the other side of the base plate in substantially axial alignment with the time indicating hands. A single lamp is disposed at a substantially central portion of the watch module construction in the vicinity of an outer periphery of the liquid crystal display cell and an outer periphery of the analog display device to simultaneously illuminate both of the digital display device and the analog display device.
REFERENCES:
patent: 3357703 (1967-12-01), Hurley
patent: 3668861 (1972-06-01), Mitsui
patent: 3945191 (1976-03-01), Van Berkum
patent: 4165607 (1979-08-01), Fedordwicz et al.
Citizen Watch Company Limited
Jackmon Edith S.
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