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:
Sep. 20, 2016
Filed:
Jul. 15, 2014
Applicant:
Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;
Inventors:
Daiki Ono, Yokohama, JP;
Jun Deguchi, Kawasaki, JP;
Assignee:
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 27/26 (2006.01); G01R 1/44 (2006.01);
U.S. Cl.
CPC ...
G01R 1/44 (2013.01); G01R 27/2605 (2013.01);
Abstract
According to one embodiment, a capacitance detection device includes a switched capacitor amplifying circuit including a variable capacitor and a reference capacitor, and a voltage applying circuit configured to apply, to the switched capacitor amplifying circuit, a reference voltage having a temperature characteristic for compensating fluctuation in an output voltage of the switched capacitor amplifying circuit due to a temperature characteristic of capacitance of the variable capacitor.