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 7728651 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 01, 2010

Filed:

Oct. 31, 2008
Applicant:

Takayuki Nakai, Osaka, JP;

Inventor:

Takayuki Nakai, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

The first control transistor is connected between a first input node for receiving a first input signal swinging between a first voltage and a second voltage and an intermediate node for outputting an output signal, and receives the second voltage at its gate. The second control transistor is connected between a second input node for receiving a second input signal swinging between a third voltage and a fourth voltage in synchronization with the first input signal and the intermediate node, and receives the third voltage at its gate. The voltage difference between the first voltage and the third voltage is smaller than or equal to the source-drain breakdown voltage of the second control transistor, and the voltage difference between the second voltage and the fourth voltage is smaller than or equal to the source-drain breakdown voltage of the first control transistor.


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Nakai, Takayuki. (2010). Drive circuit, voltage conversion device and audio system (U.S. Patent No. 7728651). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7728651

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