EP0086837A4 - Vibrating plate for speaker. - Google Patents

Vibrating plate for speaker.

Info

Publication number
EP0086837A4
EP0086837A4 EP19810902444 EP81902444A EP0086837A4 EP 0086837 A4 EP0086837 A4 EP 0086837A4 EP 19810902444 EP19810902444 EP 19810902444 EP 81902444 A EP81902444 A EP 81902444A EP 0086837 A4 EP0086837 A4 EP 0086837A4
Authority
EP
European Patent Office
Prior art keywords
speaker
vibrating plate
vibrating
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.)
Granted
Application number
EP19810902444
Other languages
German (de)
French (fr)
Other versions
EP0086837A1 (en
EP0086837B1 (en
Inventor
Shigeru Hasumi
Kazuo Tanaka
Takashi Nishidoi
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Publication of EP0086837A1 publication Critical patent/EP0086837A1/en
Publication of EP0086837A4 publication Critical patent/EP0086837A4/en
Application granted granted Critical
Publication of EP0086837B1 publication Critical patent/EP0086837B1/en
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
EP81902444A 1981-08-27 1981-08-27 Vibrating plate for speaker Expired EP0086837B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1981/000195 WO1983000791A1 (en) 1981-08-27 1981-08-27 Vibrating plate for speaker

Publications (3)

Publication Number Publication Date
EP0086837A1 EP0086837A1 (en) 1983-08-31
EP0086837A4 true EP0086837A4 (en) 1984-04-27
EP0086837B1 EP0086837B1 (en) 1985-12-27

Family

ID=13734282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81902444A Expired EP0086837B1 (en) 1981-08-27 1981-08-27 Vibrating plate for speaker

Country Status (3)

Country Link
EP (1) EP0086837B1 (en)
DE (1) DE3173308D1 (en)
WO (1) WO1983000791A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001298791A (en) * 2000-04-13 2001-10-26 Sony Corp Speaker and its manufacturing method
TWI672223B (en) * 2018-08-24 2019-09-21 國立臺灣科技大學 Diaphragm structure and manufacturing method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140203A (en) * 1976-05-17 1979-02-20 Matsushita Electric Industrial Co., Ltd. Acoustic diaphragm with polyurethane elastomer coating
DE2926648A1 (en) * 1978-06-30 1980-01-17 Pioneer Electronic Corp IN AN ACOUSTIC INSTRUMENT, ESPECIALLY A SPEAKER, INSERTABLE MEMBRANE AND METHOD FOR PRODUCING THE MEMBRANE
GB2029162A (en) * 1978-08-18 1980-03-12 Sumitomo Bakelite Co Electroacoustic transducers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930130A (en) * 1973-09-21 1975-12-30 Union Carbide Corp Carbon fiber strengthened speaker cone
JPS5412822A (en) * 1977-06-30 1979-01-30 Pioneer Electronic Corp Acoustic member fiber reinforced plastic and vibrator
JPS6052639B2 (en) * 1979-10-16 1985-11-20 松下電器産業株式会社 acoustic diaphragm

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140203A (en) * 1976-05-17 1979-02-20 Matsushita Electric Industrial Co., Ltd. Acoustic diaphragm with polyurethane elastomer coating
DE2926648A1 (en) * 1978-06-30 1980-01-17 Pioneer Electronic Corp IN AN ACOUSTIC INSTRUMENT, ESPECIALLY A SPEAKER, INSERTABLE MEMBRANE AND METHOD FOR PRODUCING THE MEMBRANE
GB2029162A (en) * 1978-08-18 1980-03-12 Sumitomo Bakelite Co Electroacoustic transducers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO8300791A1 *

Also Published As

Publication number Publication date
WO1983000791A1 (en) 1983-03-03
DE3173308D1 (en) 1986-02-06
EP0086837A1 (en) 1983-08-31
EP0086837B1 (en) 1985-12-27

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