ATE494741T1 - Schaltungsanordnung zur kopfhörererkennung - Google Patents

Schaltungsanordnung zur kopfhörererkennung

Info

Publication number
ATE494741T1
ATE494741T1 AT03006584T AT03006584T ATE494741T1 AT E494741 T1 ATE494741 T1 AT E494741T1 AT 03006584 T AT03006584 T AT 03006584T AT 03006584 T AT03006584 T AT 03006584T AT E494741 T1 ATE494741 T1 AT E494741T1
Authority
AT
Austria
Prior art keywords
terminal
electrically connected
transistor
resistor
circuit arrangement
Prior art date
Application number
AT03006584T
Other languages
English (en)
Inventor
Chan-Li Liang
Original Assignee
Htc Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Htc Corp filed Critical Htc Corp
Application granted granted Critical
Publication of ATE494741T1 publication Critical patent/ATE494741T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/05—Detection of connection of loudspeakers or headphones to amplifiers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Stereophonic Arrangements (AREA)
AT03006584T 2003-03-24 2003-03-24 Schaltungsanordnung zur kopfhörererkennung ATE494741T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03006584A EP1463373B1 (de) 2003-03-24 2003-03-24 Schaltungsanordnung zur Kopfhörererkennung

Publications (1)

Publication Number Publication Date
ATE494741T1 true ATE494741T1 (de) 2011-01-15

Family

ID=32798882

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03006584T ATE494741T1 (de) 2003-03-24 2003-03-24 Schaltungsanordnung zur kopfhörererkennung

Country Status (3)

Country Link
EP (1) EP1463373B1 (de)
AT (1) ATE494741T1 (de)
DE (1) DE60335604D1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102843631B (zh) * 2011-06-23 2016-05-04 炬芯（珠海）科技有限公司 一种音频线头插拔检测直驱电路及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3508776B2 (ja) * 1993-01-14 2004-03-22 ソニー株式会社 送受信機
KR100206467B1 (ko) * 1996-05-22 1999-07-01 윤종용 통화처리장치 및 그 방법
JP3656334B2 (ja) * 1996-09-05 2005-06-08 ソニー株式会社 ステレオ音声／映像装置の接続装置
JP2002101491A (ja) * 2000-09-25 2002-04-05 Sanyo Electric Co Ltd 音声信号処理装置、及び携帯電話機
JP3717865B2 (ja) * 2002-05-07 2005-11-16 宏達國際電子股▲ふん▼有限公司 イヤホン検出回路

Also Published As

Publication number Publication date
EP1463373B1 (de) 2011-01-05
DE60335604D1 (de) 2011-02-17
EP1463373A1 (de) 2004-09-29

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties