Horology: time measuring systems or devices – Chronological
Patent
1977-12-22
1980-03-11
Truhe, J. V.
Horology: time measuring systems or devices
Chronological
368187, G04C 900
Patent
active
041921356
ABSTRACT:
A portable electronic device equipped with a timepiece circuitry, which electronic device comprises a plurality of numeric keys adapted to provide numeric values correponding to 0 through 9 when actuated. The numeric keys are utilized to correct a selected digit and once the numeric keys are actuated to complete a correction of the selected digit a shift will be made from the selected digit to another digit for a correction. The digit to be corrected is identified by a decimal point display segment which is automatically and cyclically shifted.
REFERENCES:
patent: 3813533 (1974-05-01), Cone et al.
patent: 4033108 (1977-07-01), Bennett et al.
patent: 4106277 (1978-08-01), Garrison et al.
patent: 4120036 (1978-10-01), Maeda et al.
patent: 4120040 (1978-10-01), Aihara
Ebihara Heihachiro
Sekiya Fukuo
Yamada Takashi
Citizen Watch Company Limited
Isen Forester W.
Truhe J. V.
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