Timepiece operated by solar cells

Details Timepiece operated by solar cells Timepiece operated by solar cells

1983-12-07

1985-11-19

Weldon, Ulysses

Horology: time measuring systems or devices

Power supply details

Electrical

368203, 368204, G04B 100

Patent

active

045538514

ABSTRACT:
A timepiece operated by solar cells wherein the timepiece includes a base plate defining thereabove a base with a time indicator. Mounted on the base plate is a driver for driving the time indicator. A plurality of circumferentially spaced solar cells are also mounted on the base plate for energizing the driver to drive the time indicator. The solar cells employed are respectively flat-shaped ones, each having a light sensitive surface on its one of two major surfaces, and are spaced circumferentially in a loop within a plane parallel with the base plate. A light guide is mounted on the base plate for transmitting incident light to the light sensitive surface of each solar cell through a deviated or deflected path for the purpose of giving greater design flexibility in the arrangement of the solar cells within a limited space of the timepiece, while retaining maximum light collecting efficiency.

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