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.

Date of Patent:
Sep. 24, 2019

Filed:

Jul. 31, 2017
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Inventors:

Yong-Gil Han, Gumi-si, KR;

Shin-Duck Lee, Gyeongju-si, KR;

Hyun-Chul Lee, Daegu, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/90 (2018.01); H04W 48/16 (2009.01); H04W 76/50 (2018.01); H04W 48/18 (2009.01);
U.S. Cl.
CPC ...
H04W 4/90 (2018.02); H04W 48/16 (2013.01); H04W 48/18 (2013.01); H04W 76/50 (2018.02);
Abstract

A method and an apparatus for performing a Radio Access Technology (RAT) search for an emergency call in a terminal supported by a plurality of communication networks are provided. The method includes identifying at least one communication network which supports a voice telecommunication among the plurality of communication networks providing support in a communication-limited state in which the communication function of the terminal is limited, and performing the RAT search for the identified at least one communication network.


Find Patent Forward Citations

Loading…