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:
Jun. 26, 2018
Filed:
Apr. 17, 2015
Applicant:
Nidec Sankyo Corporation, Suwa-gun, Nagano, JP;
Inventor:
Keiji Hoson, Nagano, JP;
Assignee:
NIDEC SANKYO CORPORATION, Nagano, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 7/08 (2006.01); G06K 7/00 (2006.01);
U.S. Cl.
CPC ...
G06K 7/087 (2013.01); G06K 7/0008 (2013.01); G06K 7/0091 (2013.01); G06K 7/0095 (2013.01); G06K 7/084 (2013.01);
Abstract
A card reader may include a card insertion part comprising a card insertion port is formed; a plurality of metal sensors structured to detect whether a foreign matter including metal material has been attached near the card insertion part; and a control section with which the plurality of the metal sensors are connected. The metal sensor may include a core formed of magnetic material and an excitation coil and a detection coil which are wound around the core. The control section may be structured to supply a current to each of the excitation coils of the plurality of the metal sensors at different timings.