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.:

US 8575986 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 05, 2013

Filed:

Sep. 23, 2011
Applicant:

Hironori Sumitomo, Kyoto, JP;

Inventor:

Hironori Sumitomo, Kyoto, JP;

Assignee:

Rohm Co., Ltd., Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A level shift circuit includes an input port to which an input signal is input, a first signal amplifying unit configured to amplify the input signal input to the input port, a node at the first signal amplifying unit to output the amplified signal, a level shift input port to which a level shift voltage for controlling a DC level of the node is input, a first supply voltage configured to drive the first signal amplifying unit, and a level shift voltage generation circuit configured to generate the first supply voltage and the level shift voltage.


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Sumitomo, Hironori. (2013). Level shift circuit and switching regulator using the same (U.S. Patent No. 8575986). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8575986

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