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:
Nov. 23, 2021
Filed:
Sep. 10, 2018
Applicant:
Nidec Corporation, Kyoto, JP;
Inventors:
Assignee:
NIDEC CORPORATION, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/48 (2006.01); H02P 27/08 (2006.01); G02B 26/08 (2006.01); G02B 26/10 (2006.01); H03F 3/45 (2006.01); H03K 5/00 (2006.01); H04N 3/14 (2006.01); H03M 1/20 (2006.01); H04N 5/30 (2006.01); H03M 1/56 (2006.01); H03K 5/24 (2006.01);
U.S. Cl.
CPC ...
H02P 27/08 (2013.01); G02B 26/0816 (2013.01); G02B 26/10 (2013.01); H03F 3/45 (2013.01); H03F 3/45475 (2013.01); H03F 3/45596 (2013.01); H03K 5/00 (2013.01); H03M 1/203 (2013.01); H03M 1/56 (2013.01); H04N 3/14 (2013.01); H04N 5/30 (2013.01); H03K 5/24 (2013.01);
Abstract
An arithmetic circuit includes an auto-zero amplification circuit that compensates an offset of an entered differential signal, and a comparator circuit that converts an output signal from the auto-zero amplification circuit to a digital signal. The auto-zero amplification circuit and comparator circuit are provided in the same package.