The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 29, 1985
Filed:
Nov. 14, 1983
Applicant:
Inventors:
Wayne A Mueller, Mound, MN (US);
Scott D Schuette, Loretto, MN (US);
Assignee:
HEI, Inc., Victoria, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G08C / ;
U.S. Cl.
CPC ...
2502 / ; 250221 ; 2502 / ; 178 18 ; 340710 ; 356375 ;
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.