Small electronic apparatus with optical input device

Details Small electronic apparatus with optical input device Small electronic apparatus with optical input device

1985-06-10

1987-06-09

Roskoski, Bernard

Horology: time measuring systems or devices

Chronological

With manually actuated display

368224, 368 10, G04C 1700

Patent

active

046716718

ABSTRACT:
A small electronic apparatus with an optical input device has an apparatus case for housing a main body therein, the apparatus case being provided with a light-transmitting member, at least part of which is exposed to outside light, an electrooptical display device in the apparatus case, a photosensor arranged in the apparatus case at a position between the electrooptical display device and the light-transmitting member, and a logic circuit arranged in LSI for receiving and processing, as an input signal associated with the main body, an output from the photosensor, the output from the logic circuit being used to provide a display signal to the electrooptical display device.

REFERENCES:
patent: 4005400 (1977-01-01), Engdahl
patent: 4070649 (1978-01-01), Wright, Sr. et al.
patent: 4468131 (1984-08-01), Bui et al.
patent: 4477797 (1984-10-01), Nakagiri

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