FR604161A - électro-vibrateur - Google Patents

électro-vibrateur

Info

Publication number
FR604161A
FR604161A FR604161DA FR604161A FR 604161 A FR604161 A FR 604161A FR 604161D A FR604161D A FR 604161DA FR 604161 A FR604161 A FR 604161A
Authority
FR
France
Prior art keywords
electric vibrator
vibrator
electric
Prior art date
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
English (en)
Inventor
Pierre-Emile Beal
Louis-Lucien-Edouard Fanet
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
Application granted granted Critical
Publication of FR604161A publication Critical patent/FR604161A/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; ELECTRIC HEARING AIDS; 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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FR604161D 1925-04-20 1925-10-06 électro-vibrateur Expired FR604161A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE250989X 1925-04-20

Publications (1)

Publication Number Publication Date
FR604161A true FR604161A (fr) 1926-04-30

Family

ID=3866561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR604161D Expired FR604161A (fr) 1925-04-20 1925-10-06 électro-vibrateur

Country Status (3)

Country Link
DE (1) DE479234C (fr)
FR (1) FR604161A (fr)
GB (1) GB250989A (fr)

Also Published As

Publication number Publication date
DE479234C (de) 1929-07-13
GB250989A (en) 1927-07-20

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