BE372442A - - Google Patents

Info

Publication number
BE372442A
BE372442A BE372442DA BE372442A BE 372442 A BE372442 A BE 372442A BE 372442D A BE372442D A BE 372442DA BE 372442 A BE372442 A BE 372442A
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 BE372442A publication Critical patent/BE372442A/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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
BE372442D 1929-09-27 BE372442A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL355919X 1929-09-27

Publications (1)

Publication Number Publication Date
BE372442A true BE372442A (enrdf_load_stackoverflow)

Family

ID=19785222

Family Applications (1)

Application Number Title Priority Date Filing Date
BE372442D BE372442A (enrdf_load_stackoverflow) 1929-09-27

Country Status (4)

Country Link
US (1) US1961180A (enrdf_load_stackoverflow)
BE (1) BE372442A (enrdf_load_stackoverflow)
FR (1) FR700120A (enrdf_load_stackoverflow)
GB (1) GB355919A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
US1961180A (en) 1934-06-05
GB355919A (en) 1931-09-03
FR700120A (fr) 1931-02-24

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