FR928854A - Improvements to electrodynamic speakers or microphones - Google Patents

Improvements to electrodynamic speakers or microphones

Info

Publication number
FR928854A
FR928854A FR928854DA FR928854A FR 928854 A FR928854 A FR 928854A FR 928854D A FR928854D A FR 928854DA FR 928854 A FR928854 A FR 928854A
Authority
FR
France
Prior art keywords
microphones
electrodynamic speakers
electrodynamic
speakers
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
Leslie Russel Ward
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TRUVOX ENGINEERING Co Ltd
Original Assignee
TRUVOX ENGINEERING Co Ltd
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
Priority claimed from GB1334245A external-priority patent/GB595739A/en
Application filed by TRUVOX ENGINEERING Co Ltd filed Critical TRUVOX ENGINEERING Co Ltd
Application granted granted Critical
Publication of FR928854A publication Critical patent/FR928854A/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
    • H04R9/06—Loudspeakers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR928854D 1945-05-28 1946-05-07 Improvements to electrodynamic speakers or microphones Expired FR928854A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1334245A GB595739A (en) 1945-05-28 Improvements in or relating to electrodynamic loudspeakers or microphones

Publications (1)

Publication Number Publication Date
FR928854A true FR928854A (en) 1947-12-10

Family

ID=10021212

Family Applications (1)

Application Number Title Priority Date Filing Date
FR928854D Expired FR928854A (en) 1945-05-28 1946-05-07 Improvements to electrodynamic speakers or microphones

Country Status (2)

Country Link
BE (1) BE465551A (en)
FR (1) FR928854A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106670A (en) * 1960-04-21 1963-10-08 Rca Corp Magnetic field structure for loudspeakers
CN109951774A (en) * 2019-03-29 2019-06-28 广州迪雅圣发电器有限公司 A kind of vehicle-mounted loudspeaker voice coil position adjustment structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106670A (en) * 1960-04-21 1963-10-08 Rca Corp Magnetic field structure for loudspeakers
CN109951774A (en) * 2019-03-29 2019-06-28 广州迪雅圣发电器有限公司 A kind of vehicle-mounted loudspeaker voice coil position adjustment structure
CN109951774B (en) * 2019-03-29 2024-03-29 广州迪雅圣发电器有限公司 Voice coil position adjusting structure of vehicle-mounted loudspeaker

Also Published As

Publication number Publication date
BE465551A (en)

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