1976-11-09
1978-08-08
Jackmon, Edith S.
58 425, 58 74, G04F 1004, G04B 1922, G04F 704
Patent
active
041048644
ABSTRACT:
An electronic timepiece comprising in combination: the first and secondary time counters, each having the function of 2, 4 hour measuring, which measures the signal of frequency which will be the basis for time measurement; the chronograph, having the function of 24 hour measuring to make the time measurement by measuring the signal of frequency which will be the basis for the above mentioned time measurement; and the display selecting circuit for displaying each enumerated data of the above mentioned first and secondary time counters and the chronograph selectively by the display device.
REFERENCES:
patent: 3795099 (1974-03-01), Tsuruishi
Asano Kazuhiro
Ishijima Takashi
Ishikawa Takehiro
Yasuda Kazumasa
Adams Bruce L.
Burns Robert E.
Jackmon Edith S.
Kabushiki Kaisha Daini Seikosha
Lobato Emmanuel J.
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