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. 29, 2017
Filed:
Mar. 25, 2014
Applicant:
SK Telecom Co., Ltd., Seoul, KR;
Inventors:
Namgun Kim, Seoul, KR;
Jintae Choi, Seoul, KR;
Changmoon Han, Seoul, KR;
Seongsoo Bae, Seongnam-si, KR;
Assignee:
SK TELECOM CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 76/04 (2009.01); H04W 76/02 (2009.01); H04W 24/02 (2009.01);
U.S. Cl.
CPC ...
H04W 76/045 (2013.01); H04W 24/02 (2013.01); H04W 76/025 (2013.01); H04W 76/027 (2013.01); H04W 76/04 (2013.01);
Abstract
Disclosed herein are a terminal device including: a state determining unit to determine a connection state of a voice call or a data call at a specific time prior to a transfer period of a keep-alive message designated to a specific application; and an application interworking unit to transfer the keep-alive message through the data call according to the determined connection state of the voice call or the data call to notify of a driving state of the specific application.