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. 04, 1989
Filed:
Jan. 13, 1988
Applicant:
Inventor:
Toshifumi Kobayashi, Hyogo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ; H03K / ;
U.S. Cl.
CPC ...
307594 ; 3072721 ; 307601 ; 307605 ; 3072965 ;
Abstract
A power on reset pulse generating circuit, which comprises a flip-flop coupled through capacitors to an applied supply voltage to be resettable thereby, a time constant circuit including an array of diode connecting MOS transistors and a capacitor coupled to reset the flip-flop in response to a fast rise time of an applied supply voltage, and another MOS transistor connected to detect a level of a voltage at the output terminal to reset the flip-flop in response to a slow rise time of the applied supply voltage.