BE381522A - - Google Patents

Info

Publication number
BE381522A
BE381522A BE381522DA BE381522A BE 381522 A BE381522 A BE 381522A BE 381522D A BE381522D A BE 381522DA BE 381522 A BE381522 A BE 381522A
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 BE381522A publication Critical patent/BE381522A/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
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
BE381522D 1930-07-31 BE381522A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL391418X 1930-07-31

Publications (1)

Publication Number Publication Date
BE381522A true BE381522A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=19785794

Family Applications (1)

Application Number Title Priority Date Filing Date
BE381522D BE381522A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1930-07-31

Country Status (3)

Country Link
BE (1) BE381522A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR720528A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB391418A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
FR720528A (fr) 1932-02-20
GB391418A (en) 1933-04-27

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