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. 19, 2011
Filed:
Feb. 09, 2006
Applicants:
Shen-kan Hsung, Jhongli, TW;
Jung-chuan Chou, Douliou, TW;
Tai-ping Sun, Jhongli, TW;
Chung-we Pan, Pintung County, TW;
Chu-neng Tsai, Chia I County, TW;
Inventors:
Shen-Kan Hsung, Jhongli, TW;
Jung-Chuan Chou, Douliou, TW;
Tai-Ping Sun, Jhongli, TW;
Chung-We Pan, Pintung County, TW;
Chu-Neng Tsai, Chia I County, TW;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention discloses a method and an apparatus of the drift calibration of sensors. The method includes shifting the sensing signal and differential technology to remove the drift signal by time during a long measuring. The apparatus includes two voltage sensors and readout circuits, a signal-shifting circuit and a differential circuit, and the apparatus is used for outputting the response signal without time drifting.