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. 20, 1996
Filed:
Oct. 26, 1994
Applicant:
Inventors:
Tetsuro Uchida, Kanagawa, JP;
Kazuhide Ohira, Kanagawa, JP;
Assignee:
Mitsumi Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361 18 ; 361 56 ; 361 91 ;
Abstract
A protective circuit unit includes an analog switch connected to a DC power line which is connected to the power source circuit of said electronic device and a main constant voltage diode connected in parallel to the DC power line, wherein an input applied to a control terminal of the analog switch is controlled by current flowing in the constant voltage diode so as to turn off the analog switch when a supply voltage is higher than a predetermined value.
Uchida, Tetsuro. (1996). Protective circuit (U.S. Patent No. 5548462). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5548462
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile