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FR37274E - Improvements to electro-magnetic vibrating motors - Google Patents

Improvements to electro-magnetic vibrating motors

Info

Publication number
FR37274E
FR37274E FR37274DA FR37274E FR 37274 E FR37274 E FR 37274E FR 37274D A FR37274D A FR 37274DA FR 37274 E FR37274 E FR 37274E
Authority
FR
France
Prior art keywords
electro
vibrating motors
magnetic vibrating
magnetic
motors
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
French (fr)
Inventor
Joseph Bouteille
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 FR37274E publication Critical patent/FR37274E/en
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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • 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)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
FR37274D 1929-04-15 1929-04-15 Improvements to electro-magnetic vibrating motors Expired FR37274E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR37274T 1929-04-15

Publications (1)

Publication Number Publication Date
FR37274E true FR37274E (en) 1930-11-03

Family

ID=8673930

Family Applications (2)

Application Number Title Priority Date Filing Date
FR678577D Expired FR678577A (en) 1929-04-15 1928-11-05 Improvements to electro-magnetic vibrating motors
FR37274D Expired FR37274E (en) 1929-04-15 1929-04-15 Improvements to electro-magnetic vibrating motors

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR678577D Expired FR678577A (en) 1929-04-15 1928-11-05 Improvements to electro-magnetic vibrating motors

Country Status (1)

Country Link
FR (2) FR678577A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3055991A (en) * 1955-11-30 1962-09-25 Guss Reuben Loudspeaker
FR2559332A1 (en) * 1984-02-02 1985-08-09 Ruelle Jean Louis Symmetric linear electromagnetic transducer.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983337A (en) * 1973-06-21 1976-09-28 Babbco, Ltd. Broad-band acoustic speaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3055991A (en) * 1955-11-30 1962-09-25 Guss Reuben Loudspeaker
FR2559332A1 (en) * 1984-02-02 1985-08-09 Ruelle Jean Louis Symmetric linear electromagnetic transducer.

Also Published As

Publication number Publication date
FR678577A (en) 1930-04-02

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