NL6802907A - - Google Patents

Info

Publication number
NL6802907A
NL6802907A NL6802907A NL6802907A NL6802907A NL 6802907 A NL6802907 A NL 6802907A NL 6802907 A NL6802907 A NL 6802907A NL 6802907 A NL6802907 A NL 6802907A NL 6802907 A NL6802907 A NL 6802907A
Authority
NL
Netherlands
Application number
NL6802907A
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
Priority to NL6802907A priority Critical patent/NL6802907A/xx
Priority to DE19691907969 priority patent/DE1907969A1/de
Priority to US801375A priority patent/US3593239A/en
Priority to CH290869A priority patent/CH494459A/de
Priority to DK107969AA priority patent/DK118903B/da
Priority to BE729073D priority patent/BE729073A/xx
Priority to FR6905701A priority patent/FR2003076A1/fr
Publication of NL6802907A publication Critical patent/NL6802907A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0273—Magnetic circuits with PM for magnetic field generation
    • H01F7/0289—Transducers, loudspeakers, moving coil arrangements
    • 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)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
NL6802907A 1968-03-01 1968-03-01 NL6802907A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL6802907A NL6802907A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-03-01 1968-03-01
DE19691907969 DE1907969A1 (de) 1968-03-01 1969-02-18 Magnetsystem mit einem ringfoermigen permanenten Hauptmagnet mit einer Weicheisenober- und -unterplatte und einem Kern mit Hilfsmagnet
US801375A US3593239A (en) 1968-03-01 1969-02-24 Magnetic system
CH290869A CH494459A (de) 1968-03-01 1969-02-26 Magnetanordnung mit einem ringförmigen permanenten Hauptmagnet
DK107969AA DK118903B (da) 1968-03-01 1969-02-26 Magnetsystem omfattende en ringformet permanent hovedmagnet med et øvre polstykke, et nedre polstykke af blødt jern, en kerne og en eller flere hjælpemagneter.
BE729073D BE729073A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-03-01 1969-02-27
FR6905701A FR2003076A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-03-01 1969-03-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6802907A NL6802907A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-03-01 1968-03-01

Publications (1)

Publication Number Publication Date
NL6802907A true NL6802907A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-09-03

Family

ID=19802910

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6802907A NL6802907A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-03-01 1968-03-01

Country Status (1)

Country Link
NL (1) NL6802907A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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