Electronic digital clock

Details Electronic digital clock Electronic digital clock

1974-06-14

1976-10-19

Jackmon, Edith Simmons

Registers

Coded record sensors

Particular sensor structure

58 23R, 58 50R, 235 92T, G04C 300, G04C 2100, G04B 1930

Patent

active

039863336

ABSTRACT:
The present disclosure is directed to an electronic digital clock made up of electronic components without using a chain of counters. The digital clock utilizes shift registers with a recirculation path for storing the time information as to hours, minutes and/or seconds and a computing circuit for repeatedly adding the time information one by one in accordance with a predetermined clock base frequency.

REFERENCES:
patent: 3538317 (1970-11-01), Fukuda
patent: 3664116 (1972-05-01), Emerson et al.
patent: 3788058 (1974-01-01), Idei

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