EP1694092A4 - Tweeter - Google Patents

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Info

Publication number
EP1694092A4
EP1694092A4 EP04818500A EP04818500A EP1694092A4 EP 1694092 A4 EP1694092 A4 EP 1694092A4 EP 04818500 A EP04818500 A EP 04818500A EP 04818500 A EP04818500 A EP 04818500A EP 1694092 A4 EP1694092 A4 EP 1694092A4
Authority
EP
European Patent Office
Prior art keywords
tweeter
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Withdrawn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
EP04818500A
Other languages
German (de)
French (fr)
Other versions
EP1694092A1 (en
Inventor
Shoji Tanaka
Takafumi Yuasa
Takashi Suzuki
Hiroko Yamazaki
Yachiyo Shimokawatoko
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 EP1694092A1 publication Critical patent/EP1694092A1/en
Publication of EP1694092A4 publication Critical patent/EP1694092A4/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Withdrawn legal-status Critical Current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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/027—Diaphragms comprising metallic materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
EP04818500A 2003-11-13 2004-11-11 Tweeter Withdrawn EP1694092A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003383533 2003-11-13
PCT/JP2004/016771 WO2005048651A1 (en) 2003-11-13 2004-11-11 Tweeter

Publications (2)

Publication Number Publication Date
EP1694092A1 EP1694092A1 (en) 2006-08-23
EP1694092A4 true EP1694092A4 (en) 2009-12-23

Family

ID=34587297

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04818500A Withdrawn EP1694092A4 (en) 2003-11-13 2004-11-11 Tweeter

Country Status (3)

Country Link
EP (1) EP1694092A4 (en)
CN (1) CN1879447B (en)
WO (1) WO2005048651A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101370324B (en) * 2007-08-17 2012-12-05 陈友余 Large dynamic even force driving bar-shaped plate loudspeaker
JP6418556B2 (en) * 2015-12-17 2018-11-07 オンキヨー株式会社 Speaker diaphragm, speaker including the same, and method for manufacturing speaker diaphragm
WO2024087438A1 (en) * 2022-10-28 2024-05-02 深圳市韶音科技有限公司 Open-ear headphone

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186761A (en) * 1986-02-14 1987-08-19 Celestion Int Ltd Cone loudspeakers
JPH0346898A (en) * 1989-07-14 1991-02-28 Matsushita Electric Ind Co Ltd Dynamic speaker
EP1207719A2 (en) * 2000-11-20 2002-05-22 Matsushita Electric Industrial Co., Ltd. Loudspeaker, diaphragm and making process for diaphragm

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3494711B2 (en) * 1994-09-05 2004-02-09 パイオニア株式会社 Speaker device for reproducing high-pitched sound and method of manufacturing the same
US6009182A (en) * 1997-08-29 1999-12-28 Eastern Acoustic Works, Inc. Down-fill speaker for large scale sound reproduction system
JP3930126B2 (en) * 1997-11-14 2007-06-13 松下電器産業株式会社 Speaker
JP2002125290A (en) * 2000-10-18 2002-04-26 Sony Corp Loudspeaker device
JP2003199193A (en) * 2001-12-27 2003-07-11 Pioneer Electronic Corp Speaker system
JP2003299191A (en) * 2002-04-05 2003-10-17 Matsushita Electric Ind Co Ltd Speaker and manufacturing method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186761A (en) * 1986-02-14 1987-08-19 Celestion Int Ltd Cone loudspeakers
JPH0346898A (en) * 1989-07-14 1991-02-28 Matsushita Electric Ind Co Ltd Dynamic speaker
EP1207719A2 (en) * 2000-11-20 2002-05-22 Matsushita Electric Industrial Co., Ltd. Loudspeaker, diaphragm and making process for diaphragm

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2005048651A1 *

Also Published As

Publication number Publication date
EP1694092A1 (en) 2006-08-23
CN1879447B (en) 2010-10-13
WO2005048651A1 (en) 2005-05-26
CN1879447A (en) 2006-12-13

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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: 20060607

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE GB

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

Designated state(s): DE GB

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: 20091123

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: 20100211