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:
Mar. 28, 2017
Filed:
May. 08, 2013
Applicant:
Munehiro Yamashita, Kyoto, JP;
Inventor:
Munehiro Yamashita, Kyoto, JP;
Assignee:
Nidec-Read Corporation, Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/02 (2006.01); G01R 31/28 (2006.01);
U.S. Cl.
CPC ...
G01R 31/024 (2013.01); G01R 31/2812 (2013.01); G01R 31/2805 (2013.01);
Abstract
An insulation test apparatus and method for a circuit board having a plurality of wiring patterns formed thereon includes: selection means for selecting wiring patterns to be tested, power supply means for sending a predetermined electrical output between a first object to be measured and a target object to be measured; measurement means for measuring an electrical signal between the first object to be measured and the target object to be measured; and calculation means for calculating the resistance of an insulation failure portion between the first object to be measured and the target object to be measured.