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:
Oct. 21, 2008
Filed:
Feb. 22, 2006
Applicants:
Katsuya Arai, Kyoto, JP;
Toshihiro Kougami, Kyoto, JP;
Masayuki Kamei, Toyama, JP;
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 3/20 (2006.01); H02H 3/22 (2006.01); H02H 9/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor integrated circuit device includes: a protected circuit protected against electro-static discharge applied from outside the device; an SCR protection circuit having an anode terminal connected to a power line, a cathode terminal connected to a ground line and a trigger terminal; and a trigger circuit connected to the trigger terminal and including an RC circuit connected between the power line and the ground line.