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:
Aug. 28, 2007
Filed:
Jul. 15, 2004
Applicants:
Norihide Kinugasa, Joyo, JP;
Yoshio Nirasawa, Muko, JP;
Hideo Hamaguchi, Takatsuki, JP;
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power-on reset circuit of the present invention comprises: a first p-channel MOS transistor having the gate and the drain which are grounded and having a substrate which is connected to a power supply; a first resistor which is inserted and connected between the above-mentioned power supply and the source of the above-mentioned first p-channel MOS transistor; a first inverter having an input terminal which is connected to the source of the first p-channel MOS transistor; and a power-on reset signal output terminal which is connected to an output terminal of the first inverter.