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:
May. 29, 2018
Filed:
Sep. 02, 2016
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Norikazu Tsukahara, Minamiminowa-mura, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 5/00 (2006.01); H02M 1/36 (2007.01); H02M 3/335 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H04B 5/0075 (2013.01); H02M 1/36 (2013.01); H02M 3/335 (2013.01); H02M 2001/0058 (2013.01); Y02B 70/1433 (2013.01); Y02B 70/1491 (2013.01);
Abstract
A circuit device includes a driver that performs drive control of a resonant circuit and a signal output unit having an input node Nto which a resonance signal (AIN) from the resonant circuit is input, an output node Nthat outputs an output signal (AOUT) that is based on the resonance signal and a switch element that is provided between the input node Nand the output node N, the driver controlling at least one of a first drive current in an ON period of the switch element and a second drive current in an OFF period of the switch element.