FR2471719B3 - - Google Patents

Info

Publication number
FR2471719B3
FR2471719B3 FR8026153A FR8026153A FR2471719B3 FR 2471719 B3 FR2471719 B3 FR 2471719B3 FR 8026153 A FR8026153 A FR 8026153A FR 8026153 A FR8026153 A FR 8026153A FR 2471719 B3 FR2471719 B3 FR 2471719B3
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
FR8026153A
Other languages
French (fr)
Other versions
FR2471719A3 (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.)
LEVANTE ELECTRONICA AUXILIAR
Original Assignee
LEVANTE ELECTRONICA AUXILIAR
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 LEVANTE ELECTRONICA AUXILIAR filed Critical LEVANTE ELECTRONICA AUXILIAR
Publication of FR2471719A3 publication Critical patent/FR2471719A3/fr
Application granted granted Critical
Publication of FR2471719B3 publication Critical patent/FR2471719B3/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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR8026153A 1979-12-14 1980-12-05 Procede de fabrication de diaphragmes ou cones de haut-parleurs de haute fidelite Granted FR2471719A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES486914A ES486914A1 (es) 1979-12-14 1979-12-14 Nuevo procedimiento de fabricacion de membranas o conos paraaltavoces de alta fidelidad

Publications (2)

Publication Number Publication Date
FR2471719A3 FR2471719A3 (fr) 1981-06-19
FR2471719B3 true FR2471719B3 (ca) 1981-10-16

Family

ID=8479462

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8026153A Granted FR2471719A3 (fr) 1979-12-14 1980-12-05 Procede de fabrication de diaphragmes ou cones de haut-parleurs de haute fidelite

Country Status (6)

Country Link
DE (1) DE8032983U1 (ca)
ES (1) ES486914A1 (ca)
FR (1) FR2471719A3 (ca)
GB (1) GB2064999A (ca)
IT (1) IT1129940B (ca)
PT (1) PT72192B (ca)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7529382B2 (en) * 2006-07-17 2009-05-05 Burton A. Babb High fidelity loudspeaker

Also Published As

Publication number Publication date
FR2471719A3 (fr) 1981-06-19
GB2064999A (en) 1981-06-24
IT8068872A0 (it) 1980-12-09
PT72192B (en) 1982-01-05
DE8032983U1 (de) 1981-04-02
PT72192A (en) 1981-01-01
IT1129940B (it) 1986-06-11
ES486914A1 (es) 1980-07-16

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Legal Events

Date Code Title Description
ST Notification of lapse