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.

Date of Patent:
Aug. 02, 2011

Filed:

Nov. 26, 2008
Applicant:

Yasumichi Ohnuki, Saitama, JP;

Inventor:

Yasumichi Ohnuki, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/416 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides an easy to produce cell voltage detecting apparatus using a semiconductor having low voltage endurance. In the cell voltage detecting apparatus, cell modules B-Bare serially connected, a switch SWis located at a middle point, and a contact point of the switch SWon a higher potential side is set to a reference potential (ground). Each of discharge type constant current circuits VC-VCis connected to each of the cell modules B-B, and each of current-voltage converter circuits CV-CVis connected to each of the discharge type constant current circuits VC-VC. Also, diodes D-Dare connected respectively so as to allow a current to flow in a direction from the current-voltage converter circuits SV-SVto the corresponding induction type constant current circuits VS-VS


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