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 9411045 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 09, 2016

Filed:

Feb. 25, 2014
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventor:

Masato Yoshioka, Kawasaki, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 1/16 (2006.01); G01S 15/02 (2006.01); H03F 3/193 (2006.01); H03F 3/45 (2006.01); G01S 7/52 (2006.01);
U.S. Cl.
CPC ...
G01S 15/02 (2013.01); G01S 7/52033 (2013.01); H03F 3/193 (2013.01); H03F 3/45475 (2013.01); H03F 2200/294 (2013.01); H03F 2203/45522 (2013.01); H03F 2203/45528 (2013.01); H03F 2203/45591 (2013.01); H03F 2203/45594 (2013.01);
Abstract

A gain control circuit includes: a voltage generation circuit that generates first voltage that is linearly changed over time; a voltage square circuit that outputs second voltage that is obtained by squaring the first voltage generated by the voltage generation circuit; a resistance circuit that has a resistance characteristic by which a resistance value is squared-changed over time depending on the second voltage output from the voltage square circuit; and a gain adjustment circuit in which gain is squared-changed over time depending on the resistance value of the resistance circuit.


Find Patent Forward Citations

Yoshioka, Masato. (2016). Gain control circuit and ultrasonic image device (U.S. Patent No. 9411045). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9411045

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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