BE426663A - - Google Patents

Info

Publication number
BE426663A
BE426663A BE426663DA BE426663A BE 426663 A BE426663 A BE 426663A BE 426663D A BE426663D A BE 426663DA BE 426663 A BE426663 A BE 426663A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE426663A publication Critical patent/BE426663A/xx

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
BE426663D 1937-03-10 1938-02-28 BE426663A (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE426663A true BE426663A (cg-RX-API-DMAC7.html) 1938-03-31

Family

ID=5782987

Family Applications (1)

Application Number Title Priority Date Filing Date
BE426663D BE426663A (cg-RX-API-DMAC7.html) 1937-03-10 1938-02-28

Country Status (4)

Country Link
AT (1) AT157075B (cg-RX-API-DMAC7.html)
BE (1) BE426663A (cg-RX-API-DMAC7.html)
CH (1) CH204649A (cg-RX-API-DMAC7.html)
FR (1) FR834435A (cg-RX-API-DMAC7.html)

Families Citing this family (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
CH204649A (de) 1939-05-15
FR834435A (fr) 1938-11-21
AT157075B (de) 1939-09-25

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