IT963399B - Sistema magnetico per un trasdut tore acustico - Google Patents

Sistema magnetico per un trasdut tore acustico

Info

Publication number
IT963399B
IT963399B IT27463/72A IT2746372A IT963399B IT 963399 B IT963399 B IT 963399B IT 27463/72 A IT27463/72 A IT 27463/72A IT 2746372 A IT2746372 A IT 2746372A IT 963399 B IT963399 B IT 963399B
Authority
IT
Italy
Prior art keywords
acoustic transducer
magnetic system
magnetic
acoustic
transducer
Prior art date
Application number
IT27463/72A
Other languages
English (en)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT963399B publication Critical patent/IT963399B/it

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)
IT27463/72A 1971-07-29 1972-07-26 Sistema magnetico per un trasdut tore acustico IT963399B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT963399B true IT963399B (it) 1974-01-10

Family

ID=19813706

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27463/72A IT963399B (it) 1971-07-29 1972-07-26 Sistema magnetico per un trasdut tore acustico

Country Status (7)

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

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
FR2147288B1 (it) 1980-03-14
DE2233656B2 (de) 1979-04-05
DE2233656A1 (de) 1973-02-08
NL7110445A (it) 1973-01-31
GB1386358A (en) 1975-03-05
DE2233656C3 (de) 1979-12-06
AT316668B (de) 1974-07-25
US3891809A (en) 1975-06-24
FR2147288A1 (it) 1973-03-09

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