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:
Feb. 16, 2021
Filed:
Oct. 19, 2017
Applicant:
Amosense Co., Ltd, Cheonan-si, KR;
Inventors:
Assignee:
AMOSENSE CO., LTD, Cheonan-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 7/06 (2006.01); H02J 50/10 (2016.01); G05F 1/14 (2006.01); H02J 3/36 (2006.01); H02M 7/12 (2006.01); H02M 5/12 (2006.01); H02J 9/00 (2006.01); H02M 1/32 (2007.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02J 50/10 (2016.02); G05F 1/14 (2013.01); H02J 3/36 (2013.01); H02J 9/00 (2013.01); H02M 1/32 (2013.01); H02M 5/12 (2013.01); H02M 7/06 (2013.01); H02M 7/12 (2013.01); H02M 2001/0006 (2013.01); H02M 2001/007 (2013.01);
Abstract
Disclosed is a magnetic induction power supply device, which switches the unit coil having the smallest number of windings to a rectification unit at the initial operation, thereby preventing the parts damaged due to an excessive inrush voltage. The disclosed magnetic induction power supply device switches the unit coil having the smallest number of windings to the rectification unit when emergency power is applied from a first power supply unit or a second power supply unit. The second power supply unit can supply the power source induced in the unit coils to a sensing unit as the emergency power.