Computer input stylus and system

Details Computer input stylus and system Computer input stylus and system

1997-12-23

2000-11-28

Luu, Matthew

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for crt display

345181, 345182, 345183, 345179, G09G 500, G09G 100, G09G 328, G09G 322

Patent

active

061542008

ABSTRACT:
A computer-input stylus which provides visual color feedback when utilized in conjunction with a computer-implemented software-based drawing application. The input stylus includes a cylindrical body in a conical tip. A color display within the stylus is utilized to illuminate the conical tip with a color indicative of a currently selected color within the software-based drawing application, providing visual color feedback. The color display is implemented utilizing multiple light-emitting diodes or an active matrix liquid crystal display mounted within an optically transparent portion of the conical tip.

REFERENCES:
patent: 4677428 (1987-06-01), Bartholow
patent: 5420607 (1995-05-01), Miller et al.
patent: 5646650 (1997-07-01), Miller et al.
patent: 5953001 (1999-09-01), Challener
patent: 5959616 (1999-09-01), Challener

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