LED Digital watch with user control of display timing and bright

Details LED Digital watch with user control of display timing and bright LED Digital watch with user control of display timing and bright

1978-07-17

1980-06-17

Truhe, J. V.

Horology: time measuring systems or devices

Chronological

With electro-optical display

340762, 368227, G04B 1930

Patent

active

042077346

ABSTRACT:
A light emitting diode (LED) digital watch with circuitry which allows the watch user to adjust the amount of time the horological information is displayed and to adjust the brightness of the display.

REFERENCES:
patent: 3765163 (1973-10-01), Levine et al.
patent: 4094139 (1978-06-01), Nomura et al.
patent: 4114366 (1978-09-01), Renner et al.

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