EP1355510A3 - Loudspeaker arrangement and switching apparatus therefor - Google Patents

Loudspeaker arrangement and switching apparatus therefor Download PDF

Info

Publication number
EP1355510A3
EP1355510A3 EP03290832A EP03290832A EP1355510A3 EP 1355510 A3 EP1355510 A3 EP 1355510A3 EP 03290832 A EP03290832 A EP 03290832A EP 03290832 A EP03290832 A EP 03290832A EP 1355510 A3 EP1355510 A3 EP 1355510A3
Authority
EP
European Patent Office
Prior art keywords
loudspeaker
driven
audio signal
external
loudspeakers
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP03290832A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1355510A2 (en
Inventor
Alan Anderson Hoover
Mark Alan Simpson
Robert Edward Morris
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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
Priority claimed from US10/126,746 external-priority patent/US20030197811A1/en
Priority claimed from US10/126,743 external-priority patent/US20030198358A1/en
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of EP1355510A2 publication Critical patent/EP1355510A2/en
Publication of EP1355510A3 publication Critical patent/EP1355510A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/01—Input selection or mixing for amplifiers or loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/03—Connection circuits to selectively connect loudspeakers or headphones to amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/007—Protection circuits for transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic Arrangements (AREA)
EP03290832A 2002-04-19 2003-04-03 Loudspeaker arrangement and switching apparatus therefor Withdrawn EP1355510A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US126743 1998-07-31
US10/126,746 US20030197811A1 (en) 2002-04-19 2002-04-19 Loudspeaker arrangement and switching apparatus therefor
US126746 2002-04-19
US10/126,743 US20030198358A1 (en) 2002-04-19 2002-04-19 Loudspeaker arrangement and switching apparatus therefor

Publications (2)

Publication Number Publication Date
EP1355510A2 EP1355510A2 (en) 2003-10-22
EP1355510A3 true EP1355510A3 (en) 2005-12-07

Family

ID=28677875

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03290832A Withdrawn EP1355510A3 (en) 2002-04-19 2003-04-03 Loudspeaker arrangement and switching apparatus therefor

Country Status (5)

Country Link
EP (1) EP1355510A3 (enExample)
JP (1) JP2003319487A (enExample)
KR (1) KR20030083579A (enExample)
CN (1) CN1452435A (enExample)
MX (1) MXPA03003248A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007116643A (ja) * 2005-10-18 2007-05-10 Audio Design:Kk オーディオ信号処理装置
JP4779655B2 (ja) * 2006-01-10 2011-09-28 ヤマハ株式会社 ステレオ／モノラル切り換え回路および該回路を備えた集積回路
WO2016183763A1 (en) * 2015-05-18 2016-11-24 Hewlett-Packard Development Company, L.P. Audio and video processors
CN106790899A (zh) * 2017-01-04 2017-05-31 上海傅硅电子科技有限公司 一种方便评测手机音频外放性能的系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944941A (en) * 1973-08-01 1976-03-16 Sony Corporation Switching circuit for use with balanced transformerless amplifier
JPS57103500A (en) * 1981-10-28 1982-06-28 Matsushita Electric Ind Co Ltd Sound circuit device
US4481660A (en) * 1981-11-27 1984-11-06 U.S. Philips Corporation Apparatus for driving one or more transducer units
JPH05244685A (ja) * 1992-02-28 1993-09-21 Toshiba Corp テレビジョン受像装置
US5329371A (en) * 1991-12-13 1994-07-12 Sony Corporation Loudspeaker system automatically switched between video and audio units

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944941A (en) * 1973-08-01 1976-03-16 Sony Corporation Switching circuit for use with balanced transformerless amplifier
JPS57103500A (en) * 1981-10-28 1982-06-28 Matsushita Electric Ind Co Ltd Sound circuit device
US4481660A (en) * 1981-11-27 1984-11-06 U.S. Philips Corporation Apparatus for driving one or more transducer units
US5329371A (en) * 1991-12-13 1994-07-12 Sony Corporation Loudspeaker system automatically switched between video and audio units
JPH05244685A (ja) * 1992-02-28 1993-09-21 Toshiba Corp テレビジョン受像装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 006, no. 189 (E - 133) 28 September 1982 (1982-09-28) *
PATENT ABSTRACTS OF JAPAN vol. 018, no. 003 (E - 1485) 6 January 1994 (1994-01-06) *

Also Published As

Publication number Publication date
KR20030083579A (ko) 2003-10-30
EP1355510A2 (en) 2003-10-22
MXPA03003248A (es) 2003-10-22
CN1452435A (zh) 2003-10-29
JP2003319487A (ja) 2003-11-07

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