FR2510857B1 - - Google Patents

Info

Publication number
FR2510857B1
FR2510857B1 FR8213387A FR8213387A FR2510857B1 FR 2510857 B1 FR2510857 B1 FR 2510857B1 FR 8213387 A FR8213387 A FR 8213387A FR 8213387 A FR8213387 A FR 8213387A FR 2510857 B1 FR2510857 B1 FR 2510857B1
Authority
FR
France
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
Application number
FR8213387A
Other languages
French (fr)
Other versions
FR2510857A1 (fr
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 Electronic 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 Electronic Corp filed Critical Pioneer Electronic Corp
Publication of FR2510857A1 publication Critical patent/FR2510857A1/fr
Application granted granted Critical
Publication of FR2510857B1 publication Critical patent/FR2510857B1/fr
Granted 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)
FR8213387A 1981-07-31 1982-07-30 Membrane de haut-parleur Granted FR2510857A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12118081A JPS5821997A (ja) 1981-07-31 1981-07-31 スピ−カ用振動板

Publications (2)

Publication Number Publication Date
FR2510857A1 FR2510857A1 (fr) 1983-02-04
FR2510857B1 true FR2510857B1 (enrdf_load_stackoverflow) 1985-01-11

Family

ID=14804824

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8213387A Granted FR2510857A1 (fr) 1981-07-31 1982-07-30 Membrane de haut-parleur

Country Status (4)

Country Link
JP (1) JPS5821997A (enrdf_load_stackoverflow)
DE (1) DE3228592C2 (enrdf_load_stackoverflow)
FR (1) FR2510857A1 (enrdf_load_stackoverflow)
GB (1) GB2115645B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8301653A (nl) * 1983-05-10 1984-12-03 Philips Nv Elektro-akoestische omzetter met een luchtdoorlatend membraan.
US5149470A (en) * 1988-08-24 1992-09-22 Mitsubishi Pencil Co., Ltd. Method of making a diaphragm of carbonaceous material
DE3831706A1 (de) * 1988-09-17 1990-03-22 Bayer Ag Membran fuer lautsprecher
JPH02243097A (ja) * 1989-01-20 1990-09-27 Mitsubishi Pencil Co Ltd 全炭素質音響機器用振動板の製造法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2046274B (en) * 1979-03-23 1983-03-30 Pioneer Electronic Corp Moulding compositions and acoustic articles moulded therefrom
US4404315A (en) * 1979-05-05 1983-09-13 Pioneer Electronic Corporation Molding compositions and diaphragms, arm pipes and head shells molded therefrom

Also Published As

Publication number Publication date
FR2510857A1 (fr) 1983-02-04
JPS639798B2 (enrdf_load_stackoverflow) 1988-03-02
JPS5821997A (ja) 1983-02-09
DE3228592A1 (de) 1983-03-03
GB2115645B (en) 1985-06-26
DE3228592C2 (de) 1986-04-24
GB2115645A (en) 1983-09-07

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Legal Events

Date Code Title Description
ST Notification of lapse