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:
May. 20, 2014

Filed:

Nov. 24, 2010
Applicants:

Won Jun Ko, Yongin-si, KR;

Yong Jae Kim, Seoul, KR;

Woo Sup Han, Yongin-si, KR;

Ki Cheol Park, Hwaseong-si, KR;

Inventors:

Won Jun Ko, Yongin-si, KR;

Yong Jae Kim, Seoul, KR;

Woo Sup Han, Yongin-si, KR;

Ki Cheol Park, Hwaseong-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10L 21/00 (2013.01); G10L 25/00 (2013.01); H04R 29/00 (2006.01); G06F 19/00 (2011.01);
U.S. Cl.
CPC ...
Abstract

A mobile device moves by calculating a distance between a sound source and the mobile device using a sound source direction estimation technique. The mobile device moves by a reference distance in a direction perpendicular to a direction in which the mobile device faces the sound source when call sound of the sound source is generated, outputs voice to instruct to the sound source to generate recall sound, checks a directional angle of the mobile device when recall sound is generated by the sound source, calculates the distance between the sound source and the mobile device according to the reference distance and the directional angle of the mobile device, and moves to the vicinity of the sound source.


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