Registers – Coded record sensors – Particular sensor structure
Patent
1976-04-19
1978-06-20
Jackmon, Edith S.
Registers
Coded record sensors
Particular sensor structure
58 23R, 58127R, 235 92T, G04C 300, G04B 1930, G04B 1906
Patent
active
040954145
ABSTRACT:
The specification describes an electronic timepiece with a display device, with an oscillator as a time base, with a frequency divider, which steps down the frequency of the oscillator to the desired clock frequency, with counting means for counting the clock pulses and with decoding circuits, which present the clock pulses to the display device in the clock pulse frequency in such a manner that in the rhythm of this clock pulse frequency time marks are inserted. The counting means consist of a forward-backward counter and a following simple counter, which on a complete operational cycle runs completely through the number of time marks completely. The outputs of the decoding device of the simple counter are connected respectively with the one electrode of one respective group of time marks. The outputs of the decoding device of the forward-backward counter are connected with the other electrode of one number of time marks corresponding to the number of outputs, and the following time marks are so connected with these time marks that the time marks following the time mark connected with the last output of the decoding device are respectively connected with the outputs of the decoding device in a reversed sequence and this coupling of the time marks is continued until coverage of the number of time marks has been completed.
REFERENCES:
patent: 3276200 (1966-10-01), Freeman
patent: 3422253 (1969-01-01), Lundin
patent: 3456162 (1969-07-01), Andersen
patent: 3540209 (1970-11-01), Zatsky et al.
patent: 3748580 (1973-07-01), Stevens et al.
patent: 3992875 (1976-11-01), Kashio
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