Portable electronic device

Details Portable electronic device Portable electronic device

1978-03-13

1981-02-10

Miska, Vit W.

Horology: time measuring systems or devices

Combined with disparate device

368 69, 368187, 364705, G04B 4700, G04C 900, G06F 738

Patent

active

042505712

ABSTRACT:
A portable electronic device equipped with timekeeping circuit means for providing at least units of seconds and tens of seconds of time information, and display means for displaying said time information in digital form, which comprises first external control member for inputting numeric data signals, a control circuit for selecting at least said tens of seconds of said time data for correction, second external control member for inputting control signals to actuate said control circuit, first gate means for applying said numeric data signals to said timekeeping circuit means to effect correction of at least said tens of seconds of time information, second gate means for automatically resetting said units of seconds of time information to zero in response to correction of said tens of seconds of time information.

REFERENCES:
patent: 3813533 (1974-05-01), Cone et al.
patent: 3834152 (1974-09-01), Nishimura et al.
patent: 3943696 (1976-03-01), Portmann et al.
patent: 3953964 (1976-05-01), Suppa et al.
patent: 4033108 (1977-07-01), Bennett et al.
patent: 4043111 (1977-08-01), Fujita
patent: 4109315 (1978-08-01), Pan

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