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.

Date of Patent:
Jul. 20, 2021

Filed:

Oct. 23, 2019
Applicant:

Rohm Co., Ltd., Kyoto, JP;

Inventor:

Hiroyuki Inokuchi, Kyoto, JP;

Assignee:

ROHM CO., LTD., Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/94 (2006.01); G09G 3/20 (2006.01); G01R 27/26 (2006.01); B41J 2/045 (2006.01); G01R 31/01 (2020.01);
U.S. Cl.
CPC ...
H03K 17/94 (2013.01); B41J 2/04541 (2013.01); B41J 2/04586 (2013.01); G01R 27/2605 (2013.01); G01R 31/016 (2013.01); G09G 3/20 (2013.01); G09G 2310/0267 (2013.01); G09G 2310/0275 (2013.01); G09G 2320/043 (2013.01); G09G 2330/12 (2013.01);
Abstract

A driver circuit driving a plurality of capacitive loads includes: a plurality of output terminals to which the plurality of capacitive loads are to be connected; a plurality of drivers corresponding to the plurality of output terminals, each of the plurality of drivers being configured to generate a drive signal to be applied to each of the plurality of capacitive loads respectively corresponding to the plurality of drivers; and a capacitance detection circuit configured to detect a capacitance associated with each of the plurality of output terminals.


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Quick Actions:

Inokuchi, Hiroyuki. (2021). Driver circuit capable of detecting abnormality of capacitive load (U.S. Patent No. 11070204). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11070204

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