FR1251911A - Dispositif à aimants permanents, en particulier pour haut-parleurs et microphones - Google Patents

Dispositif à aimants permanents, en particulier pour haut-parleurs et microphones

Info

Publication number
FR1251911A
FR1251911A FR822327A FR822327A FR1251911A FR 1251911 A FR1251911 A FR 1251911A FR 822327 A FR822327 A FR 822327A FR 822327 A FR822327 A FR 822327A FR 1251911 A FR1251911 A FR 1251911A
Authority
FR
France
Prior art keywords
loudspeakers
microphones
permanent magnet
magnet device
permanent
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
FR822327A
Other languages
English (en)
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR822327A priority Critical patent/FR1251911A/fr
Application granted granted Critical
Publication of FR1251911A publication Critical patent/FR1251911A/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
    • 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
    • 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
    • H04R2209/022—Aspects regarding the stray flux internal or external to the magnetic circuit, e.g. shielding, shape of magnetic circuit, flux compensation coils

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR822327A 1959-03-26 1960-03-24 Dispositif à aimants permanents, en particulier pour haut-parleurs et microphones Expired FR1251911A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR822327A FR1251911A (fr) 1959-03-26 1960-03-24 Dispositif à aimants permanents, en particulier pour haut-parleurs et microphones

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL237584 1959-03-26
FR822327A FR1251911A (fr) 1959-03-26 1960-03-24 Dispositif à aimants permanents, en particulier pour haut-parleurs et microphones

Publications (1)

Publication Number Publication Date
FR1251911A true FR1251911A (fr) 1961-01-20

Family

ID=19751637

Family Applications (1)

Application Number Title Priority Date Filing Date
FR822327A Expired FR1251911A (fr) 1959-03-26 1960-03-24 Dispositif à aimants permanents, en particulier pour haut-parleurs et microphones

Country Status (7)

Country Link
BE (1) BE588998A (da)
CH (1) CH387104A (da)
DE (1) DE1851679U (da)
ES (1) ES256749A1 (da)
FR (1) FR1251911A (da)
GB (1) GB872194A (da)
NL (1) NL237584A (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3407371A (en) * 1965-06-04 1968-10-22 Gen Motors Corp Loudspeaker magnet structure

Also Published As

Publication number Publication date
GB872194A (en) 1961-07-05
NL237584A (da)
CH387104A (de) 1965-01-31
DE1851679U (de) 1962-05-17
ES256749A1 (es) 1960-06-01
BE588998A (fr) 1960-09-26

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