FR948086A - Procédé de fabrication de diaphragmes acoustiques - Google Patents

Procédé de fabrication de diaphragmes acoustiques

Info

Publication number
FR948086A
FR948086A FR948086DA FR948086A FR 948086 A FR948086 A FR 948086A FR 948086D A FR948086D A FR 948086DA FR 948086 A FR948086 A FR 948086A
Authority
FR
France
Prior art keywords
manufacturing process
acoustic diaphragms
diaphragms
acoustic
manufacturing
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.)
Expired
Application number
Other languages
English (en)
French (fr)
Inventor
William Donald Gragg
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR948086A publication Critical patent/FR948086A/fr
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)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR948086D 1945-12-11 1946-12-06 Procédé de fabrication de diaphragmes acoustiques Expired FR948086A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3346145A GB625014A (en) 1945-12-11 1945-12-11 Improvements in or relating to acoustic devices

Publications (1)

Publication Number Publication Date
FR948086A true FR948086A (fr) 1949-07-21

Family

ID=10353267

Family Applications (1)

Application Number Title Priority Date Filing Date
FR948086D Expired FR948086A (fr) 1945-12-11 1946-12-06 Procédé de fabrication de diaphragmes acoustiques

Country Status (4)

Country Link
BE (1) BE475814A (pt)
ES (1) ES177021A1 (pt)
FR (1) FR948086A (pt)
GB (1) GB625014A (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3154172A (en) * 1962-07-19 1964-10-27 Tibbetts Industries Diaphragm and impedance means
US3285364A (en) * 1965-06-01 1966-11-15 Ling Temco Vought Inc Loudspeaker construction

Also Published As

Publication number Publication date
ES177021A1 (es) 1947-04-16
BE475814A (pt)
GB625014A (en) 1949-06-21

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