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. 18, 2021
Filed:
Feb. 07, 2019
Applicants:
Kona I Co., Ltd., Seoul, KR;
Kona M Co., Ltd., Chungcheongbuk-do, KR;
Inventors:
Assignees:
KONA I CO., LTD., Seoul, KR;
KONA M CO., LTD., Jincheon-gun, KR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G05B 19/4155 (2006.01);
U.S. Cl.
CPC ...
G05B 19/4155 (2013.01); G05B 2219/33099 (2013.01); G05B 2219/45234 (2013.01);
Abstract
Provided is a method for manufacturing a metal card which is capable of allowing metal card antennas to have no interference with a metal sheet by including a processed plastic layer formed on the metal sheet, and an insulating sheet. The metal card is capable of improving sensitivity of antenna coil, thereby solving an existing problem of the difficulties in performing RF communication because of material characteristics of a metal layer.