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:
Jun. 13, 2017
Filed:
Dec. 15, 2015
Applicant:
Via Alliance Semiconductor Co., Ltd., Shanghai, CN;
Inventor:
Zhen Ma, Shanghai, CN;
Assignee:
VIA ALLIANCE SEMICONDUCTOR CO., LTD., Shanghai, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/08 (2006.01); H03M 1/66 (2006.01);
U.S. Cl.
CPC ...
H03K 5/08 (2013.01); H03M 1/66 (2013.01);
Abstract
A digital-to-analog converter (DAC) and a high-voltage tolerance circuit are provided. The DAC includes a high-voltage tolerance circuit. The high-voltage tolerance circuit is configured to generate a reference voltage, and select the reference voltage or a first power-source voltage to control the node voltage of each branch of an operational amplifier circuit of the high-voltage tolerance circuit according the logical signal level of an input signal.
Ma, Zhen. (2017). Digital-to-analog converter and high-voltage tolerance circuit (U.S. Patent No. 9680456). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9680456
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile