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:
Jul. 04, 1995
Filed:
Nov. 14, 1994
Satoshi Shimada, Hitachi, JP;
Seiko Suzuki, Hitachiota, JP;
Shigeki Tsuchitani, Mito, JP;
Seiichi Ugai, Hitachi, JP;
Masayoshi Kaneyasu, Hitachi, JP;
Hiroshi Kuroiwa, Hitachi, JP;
Yoshihiro Yokota, Katsuta, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A detector for detecting a physical quantity as a quantity of electricity has a detection portion, a portion for stimulating the detection portion and a signal processing portion, wherein a calibration signal is supplied from the signal processing portion to the detection portion via the stimulating portion so as to measure a specific response of the detection portion, whereby self-calibration and correction of the characteristic of the detector are performed in accordance with an amount of a change in the response.