DE2233656C3 - Magnetsystem für einen akustischen Wandler - Google Patents

Magnetsystem für einen akustischen Wandler

Info

Publication number
DE2233656C3
DE2233656C3 DE2233656A DE2233656A DE2233656C3 DE 2233656 C3 DE2233656 C3 DE 2233656C3 DE 2233656 A DE2233656 A DE 2233656A DE 2233656 A DE2233656 A DE 2233656A DE 2233656 C3 DE2233656 C3 DE 2233656C3
Authority
DE
Germany
Prior art keywords
top plate
magnet system
ferromagnetic
magnet
core
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
DE2233656A
Other languages
German (de)
English (en)
Other versions
DE2233656B2 (de
DE2233656A1 (de
Inventor
Derk Eindhoven Kleis (Niederlande)
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
Publication of DE2233656A1 publication Critical patent/DE2233656A1/de
Publication of DE2233656B2 publication Critical patent/DE2233656B2/de
Application granted granted Critical
Publication of DE2233656C3 publication Critical patent/DE2233656C3/de
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)
  • Hard Magnetic Materials (AREA)
DE2233656A 1971-07-29 1972-07-08 Magnetsystem für einen akustischen Wandler Expired DE2233656C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7110445A NL7110445A (enExample) 1971-07-29 1971-07-29

Publications (3)

Publication Number Publication Date
DE2233656A1 DE2233656A1 (de) 1973-02-08
DE2233656B2 DE2233656B2 (de) 1979-04-05
DE2233656C3 true DE2233656C3 (de) 1979-12-06

Family

ID=19813706

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2233656A Expired DE2233656C3 (de) 1971-07-29 1972-07-08 Magnetsystem für einen akustischen Wandler

Country Status (7)

Country Link
US (1) US3891809A (enExample)
AT (1) AT316668B (enExample)
DE (1) DE2233656C3 (enExample)
FR (1) FR2147288B1 (enExample)
GB (1) GB1386358A (enExample)
IT (1) IT963399B (enExample)
NL (1) NL7110445A (enExample)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1957765A (en) * 1934-05-08 Magnetomotive force circuits
US2048222A (en) * 1931-10-08 1936-07-21 Deutsche Edelstahlwerke Ag Improvements, in or relating to magnets
US2216961A (en) * 1937-09-30 1940-10-08 Rca Corp Sound translating apparatus
US3462559A (en) * 1964-08-03 1969-08-19 Dallas Richard Wilder Two-piece loudspeaker

Also Published As

Publication number Publication date
US3891809A (en) 1975-06-24
IT963399B (it) 1974-01-10
GB1386358A (en) 1975-03-05
FR2147288A1 (enExample) 1973-03-09
DE2233656B2 (de) 1979-04-05
NL7110445A (enExample) 1973-01-31
FR2147288B1 (enExample) 1980-03-14
AT316668B (de) 1974-07-25
DE2233656A1 (de) 1973-02-08

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Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee