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:
Dec. 17, 2019
Filed:
Nov. 15, 2016
Applicant:
SK Telecom Co., Ltd., Seoul, KR;
Inventors:
Assignee:
SK TELECOM CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); G06Q 30/02 (2012.01);
U.S. Cl.
CPC ...
H04L 63/0853 (2013.01); G06Q 30/0236 (2013.01);
Abstract
Disclosed are a stamper, a terminal and an operation method thereof. In performing stamp saving related to a store for a user by utilizing an electronic stamp and an application installed in the terminal, by limiting an irradiation angle of a beacon signal irradiated from the stamper and additionally applying authentication information, it is possible to prevent malicious and illegal use of stamps.