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:
May. 01, 2001
Filed:
Oct. 29, 1998
Applicant:
Inventors:
Feng-Chen Lin, Union City, CA (US);
Ni Sun, Sunnyvale, CA (US);
Assignee:
Fairchild Semiconductor Corporation, South Portland, ME (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/310 ;
U.S. Cl.
CPC ...
G06F 1/310 ;
Abstract
Method and circuitry for programmably sensing signals from computer pointing devices having different electrical specifications. Programmable current sink techniques allow the circuit to properly sense and interpret signals from a variety of computer pointing devices such as mouse and trackball rollers and joysticks.