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:
Aug. 18, 2020
Filed:
May. 16, 2019
Applicant:
Kona I Co., Ltd., Seoul, KR;
Inventors:
Assignee:
KONA I CO., LTD., Seoul, KR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06K 19/06 (2006.01); H02J 7/02 (2016.01); G06K 19/07 (2006.01); H02J 50/10 (2016.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H02J 7/022 (2013.01); G06K 19/0712 (2013.01); G06K 19/0715 (2013.01); G06K 19/0723 (2013.01); H02J 7/008 (2013.01); H02J 7/025 (2013.01); H02J 50/10 (2016.02);
Abstract
Provided is a power supply method for efficient operation of electronic cards and an electronic card using the same, and the power supply method may include the steps of: charging a charging unit through the DC power supplied from a rectification unit; enabling, when a constant voltage enable signal is applied, a system constant voltage unit if a predefined condition is satisfied; and supplying power to a system unit when the system constant voltage unit is enabled.