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:
Mar. 22, 2016
Filed:
Apr. 16, 2013
Samsung Electronics Co., Ltd., Suwon-si, KR;
Seongil Hahm, Yongin-si, KR;
Juyoun Lee, Seongnam-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A method of providing a friend search service of a portable terminal is provided. The method includes transmitting, by a first portable terminal, a message for controlling a microphone of a second portable terminal to a contact server through a cellular network, outputting a sound including a first encryption key after transmitting the message, receiving a second encryption key from the second portable terminal through the cellular network, checking the second portable terminals existing in a sound-reaching area by comparing the first encryption key with the second encryption key, and displaying a friends list including the second portable terminals existing in the sound-reaching area.