Cordless digital graphics input device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4550250
SERIAL NO

06551147

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

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.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
HEI INC VICTORIA MN 55386 A COR OFMN

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mueller, Wayne A Mound, MN 2 196
Schuette, Scott D Loretto, MN 1 192

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation