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:
Jul. 31, 2007

Filed:

Nov. 26, 2003
Applicants:

Eigo Nakagawa, Kanagawa, JP;

Koji Adachi, Kanagawa, JP;

Kaoru Yasukawa, Kanagawa, JP;

Norikazu Yamada, Kanagawa, JP;

Koki Uwatoko, Kanagawa, JP;

Tetsuichi Satonaga, Kanagawa, JP;

Inventors:

Eigo Nakagawa, Kanagawa, JP;

Koji Adachi, Kanagawa, JP;

Kaoru Yasukawa, Kanagawa, JP;

Norikazu Yamada, Kanagawa, JP;

Koki Uwatoko, Kanagawa, JP;

Tetsuichi Satonaga, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A circuit board inspection device for inspecting the operation of a circuit board having a predetermined part or wire formed therein includes a supporting substrate disposed substantially in parallel with the parts mounting surface of the circuit board, and a signal change detection unit made of a coil or a capacitor disposed in a position of the supporting substrate corresponding to the part or wire of the circuit board, with the supporting substrate being disposed substantially in parallel with the circuit board.


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