EP4068803A4 - Acoustic vibration plate and method for manufacturing acoustic vibration plate - Google Patents

Acoustic vibration plate and method for manufacturing acoustic vibration plate Download PDF

Info

Publication number
EP4068803A4
EP4068803A4 EP20892453.0A EP20892453A EP4068803A4 EP 4068803 A4 EP4068803 A4 EP 4068803A4 EP 20892453 A EP20892453 A EP 20892453A EP 4068803 A4 EP4068803 A4 EP 4068803A4
Authority
EP
European Patent Office
Prior art keywords
vibration plate
acoustic vibration
manufacturing
manufacturing acoustic
plate
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.)
Pending
Application number
EP20892453.0A
Other languages
German (de)
French (fr)
Other versions
EP4068803A1 (en
Inventor
Junya Kasahara
Eisuke Tachibana
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.)
Ube Exsymo Co Ltd
Original Assignee
Ube Exsymo Co Ltd
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 Ube Exsymo Co Ltd filed Critical Ube Exsymo Co Ltd
Publication of EP4068803A1 publication Critical patent/EP4068803A1/en
Publication of EP4068803A4 publication Critical patent/EP4068803A4/en
Pending 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
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • 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
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
    • 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
    • H04R2307/025—Diaphragms comprising polymeric materials
    • 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
    • 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
EP20892453.0A 2019-11-26 2020-11-13 Acoustic vibration plate and method for manufacturing acoustic vibration plate Pending EP4068803A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019213495A JP7383464B2 (en) 2019-11-26 2019-11-26 Acoustic diaphragm and method for manufacturing the acoustic diaphragm
PCT/JP2020/042412 WO2021106628A1 (en) 2019-11-26 2020-11-13 Acoustic vibration plate and method for manufacturing acoustic vibration plate

Publications (2)

Publication Number Publication Date
EP4068803A1 EP4068803A1 (en) 2022-10-05
EP4068803A4 true EP4068803A4 (en) 2023-12-20

Family

ID=76088145

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20892453.0A Pending EP4068803A4 (en) 2019-11-26 2020-11-13 Acoustic vibration plate and method for manufacturing acoustic vibration plate

Country Status (4)

Country Link
EP (1) EP4068803A4 (en)
JP (1) JP7383464B2 (en)
CN (1) CN114731470A (en)
WO (1) WO2021106628A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5558698A (en) * 1978-10-25 1980-05-01 Toshiba Corp Speaker diaphragm
JP3911935B2 (en) * 1999-11-19 2007-05-09 松下電器産業株式会社 Speaker
CN103747959A (en) * 2011-08-09 2014-04-23 宇部爱科喜模株式会社 Laminated body production device and laminated body production method
JP2017189894A (en) * 2016-04-12 2017-10-19 宇部エクシモ株式会社 Metal laminate and metal molded body

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5336096Y2 (en) * 1972-08-15 1978-09-04
JP4389338B2 (en) 2000-03-28 2009-12-24 宇部興産株式会社 Manufacturing method of flexible metal foil laminate
JP2001313993A (en) 2000-04-28 2001-11-09 Fujitsu Ten Ltd Diaphragm for thin and flat board loudspeaker
JP4756393B2 (en) * 2008-05-28 2011-08-24 オンキヨー株式会社 Speaker diaphragm and electrodynamic speaker using the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5558698A (en) * 1978-10-25 1980-05-01 Toshiba Corp Speaker diaphragm
JP3911935B2 (en) * 1999-11-19 2007-05-09 松下電器産業株式会社 Speaker
CN103747959A (en) * 2011-08-09 2014-04-23 宇部爱科喜模株式会社 Laminated body production device and laminated body production method
JP2017189894A (en) * 2016-04-12 2017-10-19 宇部エクシモ株式会社 Metal laminate and metal molded body

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021106628A1 *

Also Published As

Publication number Publication date
WO2021106628A1 (en) 2021-06-03
EP4068803A1 (en) 2022-10-05
JP7383464B2 (en) 2023-11-20
CN114731470A (en) 2022-07-08
JP2021087067A (en) 2021-06-03

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Ipc: H04R 7/10 20060101ALI20231116BHEP

Ipc: H04R 31/00 20060101ALI20231116BHEP

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