JP3908434B2 - スピーカを備えた情報機器 - Google Patents

スピーカを備えた情報機器 Download PDF

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Publication number
JP3908434B2
JP3908434B2 JP2000060209A JP2000060209A JP3908434B2 JP 3908434 B2 JP3908434 B2 JP 3908434B2 JP 2000060209 A JP2000060209 A JP 2000060209A JP 2000060209 A JP2000060209 A JP 2000060209A JP 3908434 B2 JP3908434 B2 JP 3908434B2
Authority
JP
Japan
Prior art keywords
amplifier
speaker
signal
input
power
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.)
Expired - Fee Related
Application number
JP2000060209A
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English (en)
Japanese (ja)
Other versions
JP2001251700A (ja
Inventor
佳一 高橋
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.)
Pioneer Corp
Original Assignee
Pioneer 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 Pioneer Corp filed Critical Pioneer Corp
Priority to JP2000060209A priority Critical patent/JP3908434B2/ja
Priority to DE2001629623 priority patent/DE60129623T2/de
Priority to EP01301842A priority patent/EP1133211B1/fr
Publication of JP2001251700A publication Critical patent/JP2001251700A/ja
Application granted granted Critical
Publication of JP3908434B2 publication Critical patent/JP3908434B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
JP2000060209A 2000-03-06 2000-03-06 スピーカを備えた情報機器 Expired - Fee Related JP3908434B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2000060209A JP3908434B2 (ja) 2000-03-06 2000-03-06 スピーカを備えた情報機器
DE2001629623 DE60129623T2 (de) 2000-03-06 2001-02-28 Informationsvorrichtung mit Lautsprecher
EP01301842A EP1133211B1 (fr) 2000-03-06 2001-02-28 Dispositif d'information avec haut-parleur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000060209A JP3908434B2 (ja) 2000-03-06 2000-03-06 スピーカを備えた情報機器

Publications (2)

Publication Number Publication Date
JP2001251700A JP2001251700A (ja) 2001-09-14
JP3908434B2 true JP3908434B2 (ja) 2007-04-25

Family

ID=18580556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000060209A Expired - Fee Related JP3908434B2 (ja) 2000-03-06 2000-03-06 スピーカを備えた情報機器

Country Status (3)

Country Link
EP (1) EP1133211B1 (fr)
JP (1) JP3908434B2 (fr)
DE (1) DE60129623T2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10201517A1 (de) * 2002-01-17 2003-08-07 Bosch Gmbh Robert Diagnoseschaltkreis für einen Hochton-Lautsprecher einer Lautsprecherkombination
FR2954510B1 (fr) * 2009-12-18 2012-06-08 Sagem Comm Appareil comprenant des moyens de connexion a un ou des haut parleurs externes ainsi que des moyens de detection d'une telle connexion
JPWO2013179332A1 (ja) * 2012-05-28 2016-01-14 三菱電機株式会社 オーディオ装置
CN107708037B (zh) * 2017-11-08 2020-08-18 深圳市沃特沃德股份有限公司 便携式音箱的控制方法和装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5042070A (en) * 1990-10-01 1991-08-20 Ford Motor Company Automatically configured audio system
US5450624A (en) * 1993-01-07 1995-09-12 Ford Motor Company Method and apparatus for diagnosing amp to speaker connections
US5815584A (en) * 1996-11-08 1998-09-29 Ford Motor Company Automatic detection of shorted loudspeakers in automotive audio systems
JPH10153634A (ja) * 1996-11-21 1998-06-09 Matsushita Electric Ind Co Ltd スピーカ出力自己診断装置
US5940518A (en) * 1997-10-06 1999-08-17 Delco Electronics Corporation Method and apparatus for indicating speaker faults

Also Published As

Publication number Publication date
DE60129623D1 (de) 2007-09-13
EP1133211A3 (fr) 2002-12-04
DE60129623T2 (de) 2007-12-06
JP2001251700A (ja) 2001-09-14
EP1133211A2 (fr) 2001-09-12
EP1133211B1 (fr) 2007-08-01

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