BE364802A - - Google Patents

Info

Publication number
BE364802A
BE364802A BE364802DA BE364802A BE 364802 A BE364802 A BE 364802A BE 364802D A BE364802D A BE 364802DA BE 364802 A BE364802 A BE 364802A
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.)
Publication of BE364802A publication Critical patent/BE364802A/xx

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
    • H04R11/00—Transducers of moving-armature or moving-core type

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
BE364802D 1929-10-23 BE364802A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR683779T 1929-10-23

Publications (1)

Publication Number Publication Date
BE364802A true BE364802A (zh)

Family

ID=9024077

Family Applications (1)

Application Number Title Priority Date Filing Date
BE364802D BE364802A (zh) 1929-10-23

Country Status (3)

Country Link
BE (1) BE364802A (zh)
CH (1) CH147847A (zh)
FR (1) FR683779A (zh)

Also Published As

Publication number Publication date
FR683779A (fr) 1930-06-17
CH147847A (fr) 1931-06-30

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