FR743749A - - Google Patents

Info

Publication number
FR743749A
FR743749A FR743749DA FR743749A FR 743749 A FR743749 A FR 743749A FR 743749D A FR743749D A FR 743749DA FR 743749 A FR743749 A FR 743749A
Authority
FR
France
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
French (fr)
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 date
Application granted granted Critical
Publication of FR743749A publication Critical patent/FR743749A/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
    • 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)
FR743749D 1932-01-23 Expired FR743749A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL394533X 1932-01-23

Publications (1)

Publication Number Publication Date
FR743749A true FR743749A (enrdf_load_stackoverflow) 1933-04-05

Family

ID=19785836

Family Applications (1)

Application Number Title Priority Date Filing Date
FR743749D Expired FR743749A (enrdf_load_stackoverflow) 1932-01-23

Country Status (3)

Country Link
BE (1) BE391227A (enrdf_load_stackoverflow)
FR (1) FR743749A (enrdf_load_stackoverflow)
GB (1) GB394533A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB394533A (en) 1933-06-29
BE391227A (enrdf_load_stackoverflow)

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