Full electronic car clock with digital display and method of tim

Details Full electronic car clock with digital display and method of tim Full electronic car clock with digital display and method of tim

1975-08-14

1977-05-10

Jackmon, E. S.

58 23R, 58 50R, 58 855, G07C 504, G04B 1930, G04C 300, G04B 2700

Patent

active

040220176

ABSTRACT:
A fully electronic car clock with digital display is provided in which the counter circuit of the car clock is connected to a car battery through an engine key switch to be driven therefrom, and the clock display is interlocked with the engine key switch so as to be energized or deenergized in accordance with the ON-OFF position thereof in order to avoid draining the battery. A method of time setting the car clock is also proposed.

REFERENCES:
patent: 3576099 (1971-04-01), Walton
patent: 3757509 (1972-03-01), Fujita
patent: 3854277 (1974-12-01), Samejima et al.

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