FR834435A - Appareil électro-acoustique à membrane légère - Google Patents

Appareil électro-acoustique à membrane légère

Info

Publication number
FR834435A
FR834435A FR834435DA FR834435A FR 834435 A FR834435 A FR 834435A FR 834435D A FR834435D A FR 834435DA FR 834435 A FR834435 A FR 834435A
Authority
FR
France
Prior art keywords
acoustic device
membrane electro
lightweight membrane
lightweight
electro
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)
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR834435A publication Critical patent/FR834435A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
FR834435D 1937-03-10 1938-02-28 Appareil électro-acoustique à membrane légère Expired FR834435A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE426663X 1937-03-10

Publications (1)

Publication Number Publication Date
FR834435A true FR834435A (fr) 1938-11-21

Family

ID=5782987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR834435D Expired FR834435A (fr) 1937-03-10 1938-02-28 Appareil électro-acoustique à membrane légère

Country Status (4)

Country Link
AT (1) AT157075B (fr)
BE (1) BE426663A (fr)
CH (1) CH204649A (fr)
FR (1) FR834435A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1129538B (de) * 1959-11-14 1962-05-17 Akg Akustische Kino Geraete Tauchspulenmikrophon

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1129538B (de) * 1959-11-14 1962-05-17 Akg Akustische Kino Geraete Tauchspulenmikrophon

Also Published As

Publication number Publication date
AT157075B (de) 1939-09-25
CH204649A (de) 1939-05-15
BE426663A (fr) 1938-03-31

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