EP1881739A4 - Production equipment for loud speaker magnetic circuit - Google Patents

Production equipment for loud speaker magnetic circuit

Info

Publication number
EP1881739A4
EP1881739A4 EP06767083A EP06767083A EP1881739A4 EP 1881739 A4 EP1881739 A4 EP 1881739A4 EP 06767083 A EP06767083 A EP 06767083A EP 06767083 A EP06767083 A EP 06767083A EP 1881739 A4 EP1881739 A4 EP 1881739A4
Authority
EP
European Patent Office
Prior art keywords
magnetic circuit
production equipment
loud speaker
speaker magnetic
loud
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Withdrawn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
EP06767083A
Other languages
German (de)
French (fr)
Other versions
EP1881739A1 (en
Inventor
Tatsuya Nishimoto
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.)
Panasonic Corp
Original Assignee
Panasonic 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 Panasonic Corp filed Critical Panasonic Corp
Publication of EP1881739A1 publication Critical patent/EP1881739A1/en
Publication of EP1881739A4 publication Critical patent/EP1881739A4/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Withdrawn legal-status Critical Current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
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006—Interconnection of transducer parts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
EP06767083A 2005-06-22 2006-06-21 Production equipment for loud speaker magnetic circuit Withdrawn EP1881739A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005181943A JP2007005993A (en) 2005-06-22 2005-06-22 Facilitiy for producing magnetic circuit for speaker
PCT/JP2006/312424 WO2006137445A1 (en) 2005-06-22 2006-06-21 Production equipment for loud speaker magnetic circuit

Publications (2)

Publication Number Publication Date
EP1881739A1 EP1881739A1 (en) 2008-01-23
EP1881739A4 true EP1881739A4 (en) 2011-04-27

Family

ID=37570473

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06767083A Withdrawn EP1881739A4 (en) 2005-06-22 2006-06-21 Production equipment for loud speaker magnetic circuit

Country Status (4)

Country Link
EP (1) EP1881739A4 (en)
JP (1) JP2007005993A (en)
CN (1) CN101189911B (en)
WO (1) WO2006137445A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4962713B2 (en) * 2007-02-27 2012-06-27 オンキヨー株式会社 Magnetic circuit and electrodynamic speaker using the same
CN104507016B (en) * 2014-10-27 2017-08-29 天津中环真美声学技术有限公司 Basin plate assembly automatic release device and method for magnetic circuit automatic assembling
CN112804632A (en) * 2021-02-07 2021-05-14 深圳市豪恩声学股份有限公司 Loudspeaker production equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5687248A (en) * 1996-05-02 1997-11-11 Industrial Technology Research Institute Light weight and low magnetic leakage loudspeaker
US20030031338A1 (en) * 2000-08-24 2003-02-13 Takashi Suzuki Speaker and magnetic circuit used for the speaker
US20040151876A1 (en) * 2003-01-31 2004-08-05 Tanielian Minas H. Fabrication of electromagnetic meta-materials and materials made thereby
US20050005430A1 (en) * 2002-06-07 2005-01-13 Ryoi Hamaguchi Method for producing repulsion magnetic circuit and its production system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6043257B2 (en) * 1981-03-31 1985-09-27 有明工業株式会社 Speaker assembly line assembly equipment
JPS59108398U (en) * 1983-01-11 1984-07-21 株式会社末広鉄工所 Speaker assembly equipment
JPS63261993A (en) * 1987-04-20 1988-10-28 Matsushita Electric Ind Co Ltd Production of low leakage magnetic circuit
JP2922228B2 (en) * 1989-10-16 1999-07-19 株式会社徳力本店 Decorative white gold alloy
JP3011829B2 (en) * 1993-06-30 2000-02-21 株式会社ケンウッド Method and apparatus for manufacturing speaker
JP3333426B2 (en) * 1997-05-07 2002-10-15 ホシデン株式会社 Electroacoustic transducer magnetic circuit and manufacturing method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5687248A (en) * 1996-05-02 1997-11-11 Industrial Technology Research Institute Light weight and low magnetic leakage loudspeaker
US20030031338A1 (en) * 2000-08-24 2003-02-13 Takashi Suzuki Speaker and magnetic circuit used for the speaker
US20050005430A1 (en) * 2002-06-07 2005-01-13 Ryoi Hamaguchi Method for producing repulsion magnetic circuit and its production system
US20040151876A1 (en) * 2003-01-31 2004-08-05 Tanielian Minas H. Fabrication of electromagnetic meta-materials and materials made thereby

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006137445A1 *

Also Published As

Publication number Publication date
CN101189911B (en) 2011-07-27
WO2006137445A1 (en) 2006-12-28
JP2007005993A (en) 2007-01-11
CN101189911A (en) 2008-05-28
EP1881739A1 (en) 2008-01-23

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20071122

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): SK

RBV Designated contracting states (corrected)

Designated state(s): SK

DAX Request for extension of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RBV Designated contracting states (corrected)

Designated state(s): SK

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: PANASONIC CORPORATION

A4 Supplementary search report drawn up and despatched

Effective date: 20110325

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20111025