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:
Jul. 31, 2018
Filed:
Sep. 20, 2016
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Toru Kashimura, Shiojiri, JP;
Hiroshi Sugita, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 7/08 (2006.01); B41J 2/045 (2006.01); B41J 2/155 (2006.01); B41J 2/16 (2006.01); H01F 27/24 (2006.01); H01F 27/28 (2006.01);
U.S. Cl.
CPC ...
B41J 2/04541 (2013.01); B41J 2/0459 (2013.01); B41J 2/04581 (2013.01); B41J 2/04586 (2013.01); B41J 2/04591 (2013.01); B41J 2/04593 (2013.01); B41J 2/04596 (2013.01); B41J 2/155 (2013.01); B41J 2/1612 (2013.01); H01F 27/24 (2013.01); H01F 27/2823 (2013.01); H03K 7/08 (2013.01); B41J 2202/03 (2013.01);
Abstract
A driving circuit for driving a capacitive load includes a signal modulation section that causes an original drive signal to be pulse-modulated to generate a modulation signal, a signal amplification section that amplifies the modulation signal to generate an amplification modulation signal, and a coil that smooths the amplification modulation signal to generate a drive signal.