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FR892396A - Electro-dynamic system, especially for loudspeakers - Google Patents

Electro-dynamic system, especially for loudspeakers

Info

Publication number
FR892396A
FR892396A FR892396DA FR892396A FR 892396 A FR892396 A FR 892396A FR 892396D A FR892396D A FR 892396DA FR 892396 A FR892396 A FR 892396A
Authority
FR
France
Prior art keywords
loudspeakers
electro
dynamic system
dynamic
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
Mario Cesati
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 FR892396A publication Critical patent/FR892396A/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/043—Short circuited voice coils driven by induction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR892396D 1942-02-05 1943-03-16 Electro-dynamic system, especially for loudspeakers Expired FR892396A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT892396X 1942-02-05

Publications (1)

Publication Number Publication Date
FR892396A true FR892396A (en) 1944-04-05

Family

ID=11331453

Family Applications (1)

Application Number Title Priority Date Filing Date
FR892396D Expired FR892396A (en) 1942-02-05 1943-03-16 Electro-dynamic system, especially for loudspeakers

Country Status (2)

Country Link
CH (1) CH245420A (en)
FR (1) FR892396A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504704A (en) * 1982-08-31 1985-03-12 Pioneer Electronic Corporation Loudspeaker system
EP0350652A1 (en) * 1988-07-15 1990-01-17 Studer Revox Ag Electrodynamic loudspeaker
WO1994016536A1 (en) * 1993-01-06 1994-07-21 Velodyne Acoustics, Inc. Speaker containing dual coil
WO1999030533A1 (en) * 1997-12-05 1999-06-17 B & C Speakers S.P.A. Electrodynamic acoustic transducer with reduced equivalent inductance of the moving parts

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE853298C (en) * 1950-08-01 1952-10-23 Bernhard Philberth Feedback dynamic loudspeaker
DE1139575B (en) * 1957-08-19 1962-11-15 Heinrich Doelz Dipl Ing Dynamic electromechanical converter
US4603270A (en) * 1984-05-25 1986-07-29 Ampex Corporation Particle free linear motor
FR2799919B1 (en) * 1999-10-19 2002-10-11 Sagem PERMANENT MAGNET ACTUATOR AND DRIVE ELECTRICAL COIL, ESPECIALLY MOBILE PHONE SPEAKER

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504704A (en) * 1982-08-31 1985-03-12 Pioneer Electronic Corporation Loudspeaker system
EP0350652A1 (en) * 1988-07-15 1990-01-17 Studer Revox Ag Electrodynamic loudspeaker
US5129005A (en) * 1988-07-15 1992-07-07 Studer Revox Ag Electrodynamic loudspeaker
WO1994016536A1 (en) * 1993-01-06 1994-07-21 Velodyne Acoustics, Inc. Speaker containing dual coil
US5832096A (en) * 1993-01-06 1998-11-03 Velodyne Acoustics, Inc. Speaker containing dual coil
WO1999030533A1 (en) * 1997-12-05 1999-06-17 B & C Speakers S.P.A. Electrodynamic acoustic transducer with reduced equivalent inductance of the moving parts

Also Published As

Publication number Publication date
CH245420A (en) 1946-11-15

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