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:
Dec. 27, 2005
Filed:
Nov. 04, 2003
Applicants:
Kazuhisa Sakihama, Yokohama, JP;
Akira Yamaguchi, Kitaadachi-gun, JP;
Inventors:
Kazuhisa Sakihama, Yokohama, JP;
Akira Yamaguchi, Kitaadachi-gun, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H009/00 ; H02H003/22 ;
U.S. Cl.
CPC ...
Abstract
An ESD protection circuit comprising a first pad, a second pad, and a clamp circuit. The first pad is used as an external connection terminal to be connected to a semiconductor integrated circuit. The second pad is used as an external connection terminal to be connected to the semiconductor integrated circuit. The clamp circuit is connected between the first pad and the second pad. The ESD protecting circuit further comprises a control circuit. The control circuit controls the clamp circuit, rendering the same conducting or non-conducting.