Liquid crystal display cell for an electronic timepiece

Details Liquid crystal display cell for an electronic timepiece Liquid crystal display cell for an electronic timepiece

1978-09-18

1981-04-28

Weldon, Ulysses

Horology: time measuring systems or devices

Displays or display device details

Optical

368 82, 368 84, 368239, G04C 1700

Patent

active

042649706

ABSTRACT:
A liquid crystal display cell for use in an electronic timepiece having an analog display of time by time indicating hands combined with a digital display, said liquid crystal display cell being of polygonal profile in plan, with one internal angle of said profile being in the range 180 degrees to 360 degrees.

REFERENCES:
patent: 3281294 (1966-10-01), Martin
patent: 3841083 (1974-10-01), Bergey
patent: 3911665 (1975-10-01), Van Berkum
patent: 3945191 (1976-03-01), Van Berkum
patent: 4026103 (1977-05-01), Ichikawa et al.
patent: 4104727 (1978-08-01), Washizuka et al.
P. Grodzinski, "Diamond Tools", Anton Smit & Co., Inc., 333 West 52 St., New York, p. 169, 1944.

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