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`US009949047B2
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`a2) United States Patent
`US 9,949,047 B2
`(10) Patent No.:
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`(45) Date of Patent: Apr. 17, 2018
`Ryu
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`Notice:
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`(21) Appl. No.: 15/331,234
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`(54) METHOD FOR CONTROLLING AUDIO
`SIGNAL AND ELECTRONIC DEVICE
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`SUPPORTING THE SAME
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`(71) Applicant: Samsung Electronics Co., Ltd.,
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`Gyeonggi-do (KR)
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`Inventor: Heejun Ryu, Gyeonggi-do (KR)
`(72)
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`(73) Assignee: Samsung Electronics Co., Ltd. (KR)
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`1)
`y
`*)
`Subject to any disclaimer, the term of this
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`patent is extended or adjusted under 35
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`U.S.C. 154(b) by 0 days.
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`Prior Publication Data
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`US 2017/0127203 Al
`May4, 2017
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`Foreign Application Priority Data
`(30)
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`Oct. 29, 2015
`(KR) wees 10-2015-0150914
`
`Int. Cl.
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`HOAR 29/00
`(2006.01)
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`HOAR 3/12
`(2006.01)
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`HOAR 5/04
`(2006.01)
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`(52) U.S. Cl.
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`CPC wees HOA4R 29/001 (2013.01); HO4R 3/12
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`(2013.01); HO4R 5/04 (2013.01); HO4R
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`2420/05 (2013.01); HO4R 2499/11 (2013.01)
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`(58) Field of Classification Search
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`CPC ..... HO4R 29/001; HO4R 3/12; HO4R 2420/09
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`See application file for complete search history.
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`Filed:
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`Oct. 21, 2016
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`(65)
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`(22)
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`(51)
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`(56)
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`References Cited
`U.S. PATENT DOCUMENTS
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`
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`7,949,802 B2*
`5/2011 Gallant «0.00... GO6F 13/4081
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`710/300
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`8,369,548 B2
`2/2013 Lin
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`9/2014 Tumer ou. HO3K 5/1254
`8,831,234 B2*
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`381/58
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`9,064,062 B2*
`6/2015 Kruiskamp......... GO6F 13/4291
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`4/2017 Forman ......... HO4R 5/04
`2017/0111742 Al*
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`2017/0150270 Al*
`5/2017 Chang o....c GO6F 3/165
`OTHER PUBLICATIONS
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`
`Univeral Serial Bus Type-C Cable and Connector Specification,
`
`
`
`
`
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`
`
`Revision 1.1 Apr. 3, 2015, Copyright 2015 Promoter Group, pp.
`180.
`
`
`
`
`
`
`* cited by examiner
`
`
`
`
`Primary Examiner — Brenda C Bernardi
`
`
`
`
`
`
`
`
`
`(74) Attorney, Agent, or Firm — The Farrell Law Firm,
`PC.
`
`
`
`ABSTRACT
`(57)
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`An electronic device is provided including a housing, an
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`opening formed on a side of the housing, a hole connected
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`to the opening, a receptacle disposed inside the hole, having
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`a structure for receiving an external connector, and com-
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`prising a plurality of pins, a memory,a processorelectrically
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`coupled to the memory, anda circuit electrically coupled to
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`the processor and the receptacle. When the external connec-
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`tor is inserted into the receptacle, the circuit may receive at
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`least one of a signal and a current throughat least one of the
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`pins, andselects one of a plurality of audio signal processing
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`methods provided to the external connector through the
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`receptacle based on at least one of the received signal and
`the current.
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`20 Claims, 25 Drawing Sheets
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`Audio 1/0
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` ~_|---"S— 2994
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`CARDWAREEXHIBIT 2012, PAGE 1 of 45
`CARDWAREV. SAMSUNG PGR2023-00013
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`CARDWARE EXHIBIT 2012, PAGE 1 of 45
`CARDWARE V. SAMSUNG PGR2023-00013
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`US 9,949,047 B2
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`Apr. 17, 2018
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`CARDWARE EXHIBIT 2012, PAGE 2 of 45
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`U.S. Patent
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`Apr. 17, 2018
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`Sheet 2 of 25
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`US 9,949,047 B2
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`CARDWARE V. SAMSUNG PGR2023-00013
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`U.S. Patent
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`Apr. 17, 2018
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`CARDWAREV. SAMSUNG PGR2023-00013
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`CARDWARE EXHIBIT 2012, PAGE 4 of 45
`CARDWARE V. SAMSUNG PGR2023-00013
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`U.S. Patent
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`Apr.17, 2018
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`Sheet 4 of 25
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`CARDWARE EXHIBIT 2012, PAGE 5 of 45
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`U.S. Patent
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`Apr. 17, 2018
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`Sheet 5 of 25
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`CARDWAREEXHIBIT 2012, PAGE6 of 45
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`CARDWARE EXHIBIT 2012, PAGE 6 of 45
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`U.S. Patent
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`Apr. 17, 2018
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`Sheet 6 of 25
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`CARDWARE EXHIBIT 2012, PAGE 7 of 45
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`US 9,949,047 B2
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`CARDWAREEXHIBIT 2012, PAGE8of 45
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`CARDWARE EXHIBIT 2012, PAGE 8 of 45
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`U.S. Patent
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`Apr. 17, 2018
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`CARDWAREEXHIBIT 2012, PAGE 10 of 45
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`CARDWARE EXHIBIT 2012, PAGE 10 of 45
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`Sheet 10 of 25
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`CARDWAREEXHIBIT 2012, PAGE 11 of 45
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`CARDWARE EXHIBIT 2012, PAGE 11 of 45
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`U.S. Patent
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`Apr.17, 2018
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`Sheet 11 of 25
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`FIG.11
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`CARDWAREEXHIBIT 2012, PAGE 12 of 45
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`CARDWARE EXHIBIT 2012, PAGE 12 of 45
`CARDWARE V. SAMSUNG PGR2023-00013
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`U.S. Patent
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`Apr.17, 2018
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`Sheet 12 of 25
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`DETECT AUDIO DEVICE TYPE
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`PIG.12Z
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`CARDWAREEXHIBIT 2012, PAGE 13 of 45
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`CARDWARE EXHIBIT 2012, PAGE 13 of 45
`CARDWARE V. SAMSUNG PGR2023-00013
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`U.S. Patent
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`Apr.17, 2018
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`Sheet 13 of 25
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`US 9,949,047 B2
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`DETECT AUDIO DEVICE TYPE
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`FIG.13
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`CARDWAREEXHIBIT 2012, PAGE 14 of 45
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`CARDWARE EXHIBIT 2012, PAGE 14 of 45
`CARDWARE V. SAMSUNG PGR2023-00013
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`U.S. Patent
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`Apr.17, 2018
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`Sheet 14 of 25
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` DETECT AUDIO DEVICE TYPE THROUGHCOMMUNICATION
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`OPERATE IN ANOTHER MODE
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`FIG.14
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`CARDWAREEXHIBIT 2012, PAGE 15 of 45
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`CARDWARE EXHIBIT 2012, PAGE 15 of 45
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`U.S. Patent
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`Apr.17, 2018
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`Sheet 15 of 25
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`CONFIGURE RECEPTACLE PINS ACCORDING
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`TO THE DETERMINED AUDIO DEVICE TYPE
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`FIG.1o
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`CARDWAREEXHIBIT 2012, PAGE 16 of 45
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`DETECT AUDIO DEVICE TYPE USING
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`TEST SIGNAL
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`CARDWARE EXHIBIT 2012, PAGE 16 of 45
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`CARDWAREEXHIBIT 2012, PAGE 17 of 45
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`CARDWARE EXHIBIT 2012, PAGE 17 of 45
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`Sheet 17 of 25
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`U.S. Patent
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`Apr. 17, 2018
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`CARDWAREEXHIBIT 2012, PAGE 18 of 45
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`CARDWARE EXHIBIT 2012, PAGE 18 of 45
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`CARDWAREEXHIBIT 2012, PAGE 19 of 45
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`CARDWARE EXHIBIT 2012, PAGE 19 of 45
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`U.S. Patent
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`Apr. 17, 2018
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`Sheet 19 of 25
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`CARDWAREEXHIBIT 2012, PAGE 20 of 45
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`CARDWARE EXHIBIT 2012, PAGE 20 of 45
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`U.S. Patent
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`Apr. 17, 2018
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`CARDWAREEXHIBIT 2012, PAGE 21 of 45
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`‘agsn
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`CARDWARE EXHIBIT 2012, PAGE 21 of 45
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`Apr.17, 2018
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`Sheet 21 of 25
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`US 9,949,047 B2
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`2107
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`FIG.2Z1
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`CARDWAREEXHIBIT 2012, PAGE 22 of 45
`CARDWAREV. SAMSUNG PGR2023-00013
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`CARDWARE EXHIBIT 2012, PAGE 22 of 45
`CARDWARE V. SAMSUNG PGR2023-00013
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`U.S. Patent
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`Apr. 17, 2018
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`CARDWAREEXHIBIT 2012, PAGE 23 of 45
`CARDWAREV. SAMSUNG PGR2023-00013
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`CARDWARE EXHIBIT 2012, PAGE 23 of 45
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`U.S. Patent
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`Apr. 17, 2018
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`CARDWAREEXHIBIT 2012, PAGE 24 of 45
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`CARDWARE EXHIBIT 2012, PAGE 24 of 45
`CARDWARE V. SAMSUNG PGR2023-00013
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`U.S. Patent
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`Apr.17, 2018
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`Sheet 24 of 25
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`US 9,949,047 B2
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`OY 7
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`CARDWAREEXHIBIT 2012, PAGE 25 of 45
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`CARDWARE EXHIBIT 2012, PAGE 25 of 45
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`U.S. Patent
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`Apr. 17, 2018
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`Sheet 25 of 25
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`US 9,949,047 B2
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`CARDWAREEXHIBIT 2012, PAGE 26 of 45
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`CARDWARE EXHIBIT 2012, PAGE 26 of 45
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`US 9,949,047 B2
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`1
`METHOD FOR CONTROLLING AUDIO
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`SIGNAL AND ELECTRONIC DEVICE
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`SUPPORTING THE SAME
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`PRIORITY
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`This application claimspriority under 35 U.S.C. § 119(a)
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`to Korean Patent Application Serial No. 10-2015-0150914,
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`which wasfiled in the Korean Intellectual Property Office on
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`Oct. 29, 2015, the entire content of which is incorporated
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`herein by reference.
`BACKGROUND
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`a plurality of pins, a memory, a processor electrically
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`coupled to the memory, anda circuit electrically coupled to
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`the processor and the receptacle. When the external connec-
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`tor is inserted into the receptacle, the circuit receives at least
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`one of a signal and a current throughat least one of the pins,
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`and selects one of a plurality of audio signal processing
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`methods provided to the external connector through the
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`receptacle based on at least one of the received signal and
`the current.
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`According to another aspect of the present disclosure, a
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`methodincludes, when an external connector is inserted into
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`a receptacle and includes a plurality of pins, receiving at
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`least one of a signal and a current throughat least one of the
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`pins, and selecting one of a plurality of audio signal pro-
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`cessing methods provided to the external connector through
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`the receptacle based on at least one of the received signal
`and the current.
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`BRIEF DESCRIPTION OF THE DRAWINGS
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`The above andother aspects, features, and advantages of
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`the present disclosure will be more apparent from the
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`following description taken in conjunction with the accom-
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`panying drawings, in which:
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`FIG. 1 is a diagram of a network including an electronic
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`device according to an embodiment of the present disclo-
`sure;
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`FIG.2 is a block diagram of an electronic device accord-
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`ing to an embodimentofthe present disclosure;
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`FIG.3 is a block diagram of a program module according
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`to an embodimentof the present disclosure;
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`FIG.4 is a diagram of audio signal controlling according
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`to an embodimentof the present disclosure;
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`FIGS. 5A and 5B are diagrams of a receptacle according
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`to an embodimentof the present disclosure;
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`FIGS. 6A and 6B are diagrams of an external connector
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`according to an embodimentof the present disclosure;
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`FIG.7 is a diagram of an external connectorinserted into
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`a receptacle according to an embodiment of the present
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`disclosure;
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`FIG.8 is a block diagram of an electronic device accord-
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`ing to an embodimentofthe presentdisclosure of the present
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`disclosure;
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`FIG. 9 is a block diagram of an electronic device accord-
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`ing to an embodimentofthe presentdisclosure of the present
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`disclosure;
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`FIG. 10 is a block diagram of an electronic device
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`according to an embodimentof the present disclosure of the
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`present disclosure;
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`FIG. 11 is a flowchart of an audio signal controlling
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`method according to an embodiment of the present disclo-
`sure;
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`FIG. 12 is a flowchart of an audio signal controlling
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`method according to an embodiment of the present disclo-
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`sure of the present disclosure;
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`FIG. 13 is a flowchart of an audio signal controlling
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`method according to an embodiment of the present disclo-
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`sure of the present disclosure;
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`FIG. 14 is a flowchart of an audio signal controlling
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`method according to an embodiment of the present disclo-
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`sure of the present disclosure;
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`FIG. 15 is a flowchart of an audio signal controlling
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`method according to an embodiment of the present disclo-
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`sure of the present disclosure;
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`FIGS. 16A and 16B are diagrams of an audio signal
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`controlling method according to an embodiment of the
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`present disclosure of the present disclosure;
`CARDWAREEXHIBIT 2012, PAGE 27 of 45
`CARDWAREV. SAMSUNG PGR2023-00013
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`1. Field of the Disclosure
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`Thepresent disclosure generally relates to an audio signal
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`controlling method and an electronic device supporting the
`same.
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`2. Description of the Related Art
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`technologies, various
`With recent advances in digital
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`tablet personal
`electronic devices such as smart phones,
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`computers (PCs), personal digital assistants (PDAs), elec-
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`tronic notebooks, wearable devices, or televisions (TVs) are
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`widely used. Such an electronic device provides various
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`interfaces for data transfer and supports wired or wireless
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`data communications
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`transmission or
`reception)
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`between electronic devices using an interface configured for
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`the electronic devices. For example, the electronic device
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`provides an interface for wirelessly exchanging data based
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`on short-range communication such as Bluetooth, wireless
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`fidelity (WiFi), and near field communication (NFC), and an
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`interface for exchanging data using a wired cable such as
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`universal serial bus (USB).
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`The USB 3.1 Type-C standard (hereafter, referred to as a
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`USBType-C interface) has been released and commercial-
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`ized. The USB Type-C interface supports four analog audio
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`signals in a USB Type-C connectoras in an existing 3.5 tip
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`ring ring sleeve (TRRS) headphonejack and thus allows
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`analog audio signals.
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`However, the released USB Type-C interface standard
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`supports only unbalanced stereo audio output. As a result, a
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`separate plug (e.g., an X-Series connector with latch and
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`rubber (XLR) connector)is used to output a balanced stereo
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`audio signal through the USB Type-C interface.
`SUMMARY
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`An aspect of the present disclosure provides an audio
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`signal controlling method for supporting both balanced
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`audio signal output and microphone signal output and iden-
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`tifying various audio adaptor accessories connected to an
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`electronic device, and the electronic device for supporting
`the same.
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`Anotheraspect ofthe present disclosure provides an audio
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`signal controlling method for supporting dual channel stereo
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`audio signal output or 4-channel audio signal output, and an
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`electronic device for supporting the same.
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`Anotheraspect ofthe present disclosure provides an audio
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`signal controlling method for supporting a universal serial
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`bus (USB)/audio switch structure which is simplified and
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`capable of preventing performance degradation, and an
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`electronic device for supporting the same.
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`Another aspect of the present disclosure provides an
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`electronic device which includes a housing, an opening
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`formed on a side of the housing, a hole connected to the
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`opening, a receptacle disposed inside the hole, having a
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`structure for receiving an external connector, and including
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`US 9,949,047 B2
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`FIG. 17 is a flowchart of an audio signal controlling
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`method according to another embodiment of the present
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`disclosure;
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`FIGS. 18A and 18Bare diagramsof audio signal control-
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`ling according to an embodimentof the present disclosure;
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`FIGS. 19A and 19Bare diagramsof audio signal control-
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`ling according to an embodimentofthe present disclosure of
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`the present disclosure;
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`FIGS. 20A and 20Bare diagramsof audio signal control-
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`ling according to an embodimentofthe present disclosure of
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`the present disclosure;
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`FIG.21 is a diagram of audio signal controlling according
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`to an embodiment of the present disclosure of the present
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`FIGS. 22 and 23 are diagramsof audio signal and power
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`transmitted and received in an electronic device according to
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`an embodimentof the present disclosure;
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`FIG. 24 is a diagram of an external connector which is
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`configured according to an embodiment of the present
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`disclosure; and
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`FIGS. 25A and 25Bare diagramsof an external connector
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`which is configured according to an embodiment of the
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`present disclosure of the present disclosure.
`DETAILED DESCRIPTION
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`Hereinafter, an embodimentofthe present disclosure will
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`be described with reference to the accompanying drawings.
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`However, it should be understood that there is no limiting
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`the present disclosure to the particular forms disclosed
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`herein; rather, the present disclosure should be construed to
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`cover various modifications, equivalents, and/oralternatives
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`of embodiments of the present disclosure. In describing the
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`drawings, similar reference numerals may be used to des-
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`ignate similar constituent elements.
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`As used herein,
`the expressions “have”, “may have”,
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`“include”, or “may include” refer to the existence of a
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`corresponding feature (e.g., numeral, function, operation, or
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`constituent element such as component), and do not exclude
`one or more additional features.
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`In the present disclosure, the expressions “A or B”, “at
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`least one ofA or/and B”, or “one or more ofA or/and B” may
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`include all possible combinations of the items listed. For
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`example, the expressions “A or B”, “at least one ofAand B”,
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`or “at least one ofA or B”referto all of (1) includingatleast
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`one A, (2) including at least one B, or (3) including both at
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`The expressions “a first”, “a second”, “the first”, or “the
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`second” used in an embodimentof the present disclosure
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`may modify various components regardless of the order
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`and/or the importance but do not limit the corresponding
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`components. For example, a first user device and a second
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`user device indicate different user devices although both of
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`them are user devices. For example, a first element may be
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`referred to as a second element, and similarly, a second
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`element may be referred to as a first element without
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`departing from the scope of the present disclosure.
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`Tt should be understood that when an element(e.g., first
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`element) is referred to as being (operatively or communi-
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`catively) “connected,” or “coupled,” to another element
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`(e.g., second element),
`it may be directly connected or
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`coupled directly to the other element or any other element
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`(e.g., third element) may be interposed between them. In
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`contrast, it may be understood that when an element(e.g.,
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`first element) is referred to as being “directly connected,” or
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`“directly coupled” to another element (second element),
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`there are no elements (e.g.,
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`interposed
`between them.
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`The expression “configured to” used in the present dis-
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`closure may be used interchangeably with, for example,
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`“suitable for”, “having the capacity to”, “designed to”,
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`“adapted to”, “made to”, or “capable of’, according to the
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`situation. The term “configured to” may not necessarily
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`imply “specifically designed to” in hardware. Alternatively,
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`in some situations, the expression “device configured to”
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`may mean that the device, together with other devices or
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`components, “is able to”. For example, the phrase “proces-
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`sor adapted (or configured) to perform A, B, and C” may
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`mean a dedicated processor (e.g. embedded processor) only
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`for performing the corresponding operations or a general-
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`purpose processor (e.g., central processing unit (CPU) or
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`application processor (AP)) that may perform the corre-
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`sponding operations by executing one or more software
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`programs stored in a memory device.
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`The terms used herein are merely for the purpose of
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`describing particula