Electronic stylus type optical reader

Details Electronic stylus type optical reader Electronic stylus type optical reader

1993-08-02

1994-11-29

Hajec, Donald

Registers

Coded record sensors

Particular sensor structure

235462, 235454, 235440, 382 59, 345179, G06K 710

Patent

active

053692624

ABSTRACT:
An electronic stylus, for use with a computer having a digitizer, has a light emitter for emitting light to illuminate optically encoded information. A photodetector senses light reflected from the illuminated optically encoded information and produced an electrical signal representative of the optically encoded information. Stylus electronics provide positional input data by contacting a digitizer tablet with the stylus. The stylus housing contains the light emitter, photodetector and stylus electronics. A tip at a fore end of the housing is adapted for contact with the digitizer tablet and the light is emitted from other than the fore end of the housing.

REFERENCES:
patent: 4180204 (1979-12-01), Koenig et al.
patent: 4263592 (1981-04-01), Takahashi et al.
patent: 4329684 (1982-05-01), Monteath et al.
patent: 4581761 (1986-04-01), Ichinokawa et al.
patent: 4748318 (1988-05-01), Bearden et al.
patent: 4906843 (1990-03-01), Jones et al.
patent: 4972496 (1990-11-01), Sklarew

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