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. 01, 2002
Filed:
Mar. 27, 2000
Applicant:
Inventors:
Akira Yamamoto, Takatsuki, JP;
Shirou Sakiyama, Kadoma, JP;
Hiroyuki Nakahira, Katano, JP;
Masayoshi Kinoshita, Hirakata, JP;
Katsuji Satomi, Takatsuki, JP;
Jun Kajiwara, Kyoto, JP;
Shinichi Yamamoto, Hirakata, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/750 ; H03K 1/90175 ; G05F 1/10 ;
U.S. Cl.
CPC ...
G06F 1/750 ; H03K 1/90175 ; G05F 1/10 ;
Abstract
A power supply circuit according to the present invention is a power supply circuit formed on a semiconductor chip, including: an output transistor section outputting a power supply voltage; and a control circuit for controlling the output transistor section. The output transistor section is arranged in the vicinity of an external input/output terminal of the semiconductor chip.