Input device

Details Input device Input device

2005-09-20

2005-09-20

Wong, Albert K. (Department: 2635)

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

C341S022000, C341S030000, C250S221000, C250S229000, C250S227220

Reexamination Certificate

active

06946980

ABSTRACT:
An input device comprising a fixed light source, a plurality of light detectors surrounding the light source, and a member comprising reflective surface portions slidably mounted above the light source. When the member is slid from a neutral position to one of a plurality of activating position, light from the light source is reflected by one of the reflective surface portions directly from the light source to an associated light detector.

REFERENCES:
patent: 3886544 (1975-05-01), Narodny
patent: 4459022 (1984-07-01), Morey
patent: 4533827 (1985-08-01), Fincher
patent: 4607159 (1986-08-01), Goodson et al.
patent: 4686361 (1987-08-01), Bard
patent: 5117102 (1992-05-01), Mitchell
patent: 5421207 (1995-06-01), Carroll et al.

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