US 7,783,057 B2 Aug. 24, 2010
(54) MUSIC PLAY CONTROL APPARATUS USING AT LEAST ONE EARPHONE FUNCTION KEY AND METHOD THEREOF
(75) Inventor: Choun Woo Park, Suwon-si (KR)
(73) Assignee: LG Electronics Inc., Seoul (KR)
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 1176 days.
(21) Appl.No.: 11/124,146
(22) Filed: May 9, 2005
(65) Prior Publication Data
(56) References Cited
U.S. PATENT DOCUMENTS
5,420,739 A * 5/1995 Yokozawaetal 360/137
5,794,127 A * 8/1998 Lansang 455/66.1
6,301,513 Bl* 10/2001 Divonetal 700/94
6,879,843 Bl * 4/2005 Kim 455/557
7,283,880 B2* 10/2007 Dick 700/94
7,340,284 B2* 3/2008 Chung 455/569.1
FOREIGN PATENT DOCUMENTS
JP 2001-057695 2/2001
* cited by examiner
Primary Examiner—Ping Lee
(74) Attorney, Agent, or Firm—KED & Associates LLP
(57) ABSTRACT
A music play control apparatus and method for a music player using at least one earphone function key are provided which are capable of performing a music play control operation of the music player using earphones. In the music play control apparatus and method, an external key input from left/right function keys installed on the earphones is scanned. If a key signal is input from either the left or right function key, a value of the input function key is recognized and a music play control operation is performed by a predetermined function depending on the recognized function key value.
16 Claims, 12 Drawing Sheets
