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. 30, 2004
Filed:
Feb. 07, 2002
Applicant:
Inventor:
Thad W. Smith, Antioch, CA (US);
Assignee:
BEI Technologies, Inc., San Francisco, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/45 ; H03F 1/00 ; H01L 4/104 ;
U.S. Cl.
CPC ...
H03F 3/45 ; H03F 1/00 ; H01L 4/104 ;
Abstract
Differential charge amplifier for processing charge signals from a rotation rate sensor, with a test signal being applied to the differential charge amplifier so that during normal operation the output of the amplifier corresponds to the test signal as well as to the charge signals.