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:
Apr. 07, 1992
Filed:
Jul. 18, 1991
Applicant:
Inventors:
Yutaka Ueda, Kanagawa, JP;
Nobuaki Miyakawa, Kanagawa, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
3072723 ; 3072964 ; 3072965 ; 307592 ;
Abstract
A power-on reset circuit including a constant voltage circuit element in which a voltage drop is limited to within a fixed value, a transistor to which a source voltage is applied from the constant voltage circuit element and a gate voltage is applied from a power source voltage to be monitored, a current path forming element, connected to the drain of the transistor, fed with current from a power source voltage, and an invertor an input terminal of which is connected to a node of the current path forming element and the transistor.