NL6616888A - - Google Patents

Info

Publication number
NL6616888A
NL6616888A NL6616888A NL6616888A NL6616888A NL 6616888 A NL6616888 A NL 6616888A NL 6616888 A NL6616888 A NL 6616888A NL 6616888 A NL6616888 A NL 6616888A NL 6616888 A NL6616888 A NL 6616888A
Authority
NL
Netherlands
Application number
NL6616888A
Other versions
NL147566B (nl
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
Publication of NL6616888A publication Critical patent/NL6616888A/xx
Publication of NL147566B publication Critical patent/NL147566B/xx

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
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/003—Methods and devices for magnetising permanent magnets
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
NL666616888A 1965-12-21 1966-11-30 Axiaal gemagnetiseerde permanente magneet en werkwijze voor het magnetiseren daarvan. NL147566B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51540165A 1965-12-21 1965-12-21

Publications (2)

Publication Number Publication Date
NL6616888A true NL6616888A (enrdf_load_stackoverflow) 1967-06-22
NL147566B NL147566B (nl) 1975-10-15

Family

ID=24051207

Family Applications (1)

Application Number Title Priority Date Filing Date
NL666616888A NL147566B (nl) 1965-12-21 1966-11-30 Axiaal gemagnetiseerde permanente magneet en werkwijze voor het magnetiseren daarvan.

Country Status (6)

Country Link
US (1) US3440364A (enrdf_load_stackoverflow)
BE (1) BE691586A (enrdf_load_stackoverflow)
DE (1) DE1272374C2 (enrdf_load_stackoverflow)
FR (1) FR1505923A (enrdf_load_stackoverflow)
GB (1) GB1164307A (enrdf_load_stackoverflow)
NL (1) NL147566B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5235294B2 (enrdf_load_stackoverflow) * 1971-12-17 1977-09-08
US3971054A (en) * 1974-07-12 1976-07-20 Motorola, Inc. Method and apparatus for magnetizing permanent magnet in magnetic structure
DE2744333A1 (de) * 1977-10-01 1979-04-05 Krupp Gmbh Magnetkern
GB2218879A (en) * 1988-05-18 1989-11-22 Wang Shen Ting A yoke in a cone speaker
AU2003245868A1 (en) * 2002-07-25 2004-02-16 Sonion Horsens A/S Mobile handset and assembly having multi-loudspeaker system
RU2741475C1 (ru) * 2020-02-03 2021-01-26 Андрей Викторович Новгородов Ступенчатая конструкция верхней монтажной части корзины для среднечастотных и низкочастотных громкоговорителей с диффузором конической формы

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2188091A (en) * 1934-07-11 1940-01-23 Jr Max Baermann Process for making permanent magnets and products thereof
US2224954A (en) * 1936-04-09 1940-12-17 Eisele Albert Magnet
US3183398A (en) * 1960-08-04 1965-05-11 Raytheon Co Beam focusing magnet
US3276922A (en) * 1964-04-28 1966-10-04 Robert S Sery Method of producing magnetic cores by using electron irradiation

Also Published As

Publication number Publication date
GB1164307A (en) 1969-09-17
BE691586A (enrdf_load_stackoverflow) 1967-06-21
NL147566B (nl) 1975-10-15
US3440364A (en) 1969-04-22
FR1505923A (fr) 1967-12-15
DE1272374C2 (de) 1973-12-20
DE1272374B (de) 1968-07-11

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