Cordless digital graphics input device

Details Cordless digital graphics input device Cordless digital graphics input device

1983-11-14

1985-10-29

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

250221, 250237R, 178 18, 340710, 356375, G08C 2100

Patent

active

045502501

ABSTRACT:
A cordless graphics input device system for use with a computer. The device comprises an infrared emitting module useable on any surface adjacent a detector having a pair of patterned concave sensors. Coordinate information is determined via a detector contained microprocessor relative to the sensed analog position data.

REFERENCES:
patent: 3128340 (1964-04-01), Harmon
patent: 3602903 (1971-08-01), Requa
patent: 3626483 (1971-12-01), Whetstone
patent: 3790709 (1974-02-01), Heywang
patent: 3857022 (1974-12-01), Rebane et al.
patent: 3886311 (1975-05-01), Rodgers et al.
patent: 3901604 (1975-08-01), Butler
patent: 3911215 (1975-10-01), Hurst et al.
patent: 3951550 (1976-04-01), Slick
patent: 4012588 (1977-03-01), Davis et al.
patent: 4018532 (1977-04-01), Fletcher et al.
patent: 4078151 (1978-03-01), McNeary
patent: 4092072 (1978-05-01), Ellis
patent: 4209254 (1980-06-01), Reymond et al.
patent: 4295740 (1981-10-01), Sturges, Jr.
patent: 4317992 (1982-03-01), Stauffer

Affiliated with

Also associated with

Rating

Cordless digital graphics input device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cordless digital graphics input device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cordless digital graphics input device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-729856