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:
Mar. 31, 1998
Filed:
Aug. 04, 1995
Applicant:
Inventor:
Robert Grover Baker, Delray Beach, FL (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08C / ;
U.S. Cl.
CPC ...
178 18 ;
Abstract
Digitizing apparatus comprises an array of Hall effect elements. The array includes conditioning circuitry and scanning circuitry for sensing the conditions of all Hall effect elements and determining which elements have been actuated by a user manipulated magnetic actuator. The apparatus inputs digital signals into a computer, the signals indicating relative positions of actuated Hall effect elements.