NL147566B - AXIALLY MAGNETIZED PERMANENT MAGNET AND METHOD OF MAGNETIZING THE THEREOF. - Google Patents

AXIALLY MAGNETIZED PERMANENT MAGNET AND METHOD OF MAGNETIZING THE THEREOF.

Info

Publication number
NL147566B
NL147566B NL666616888A NL6616888A NL147566B NL 147566 B NL147566 B NL 147566B NL 666616888 A NL666616888 A NL 666616888A NL 6616888 A NL6616888 A NL 6616888A NL 147566 B NL147566 B NL 147566B
Authority
NL
Netherlands
Prior art keywords
magnetizing
permanent magnet
axially magnetized
magnetized permanent
axially
Prior art date
Application number
NL666616888A
Other languages
Dutch (nl)
Other versions
NL6616888A (en
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of NL6616888A publication Critical patent/NL6616888A/xx
Publication of NL147566B publication Critical patent/NL147566B/en

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
NL666616888A 1965-12-21 1966-11-30 AXIALLY MAGNETIZED PERMANENT MAGNET AND METHOD OF MAGNETIZING THE THEREOF. NL147566B (en)

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 NL6616888A (en) 1967-06-22
NL147566B true NL147566B (en) 1975-10-15

Family

ID=24051207

Family Applications (1)

Application Number Title Priority Date Filing Date
NL666616888A NL147566B (en) 1965-12-21 1966-11-30 AXIALLY MAGNETIZED PERMANENT MAGNET AND METHOD OF MAGNETIZING THE THEREOF.

Country Status (6)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5235294B2 (en) * 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 (en) * 1977-10-01 1979-04-05 Krupp Gmbh MAGNETIC CORE
GB2218879A (en) * 1988-05-18 1989-11-22 Wang Shen Ting A yoke in a cone speaker
WO2004012068A1 (en) * 2002-07-25 2004-02-05 Sonion Horsens A/S Mobile handset and assembly having multi-loudspeaker system
RU2741475C1 (en) * 2020-02-03 2021-01-26 Андрей Викторович Новгородов Stepped structure of upper mounting part of basket for medium-frequency and low-frequency loudspeakers with cone shaped diffuser

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
US3440364A (en) 1969-04-22
BE691586A (en) 1967-06-21
GB1164307A (en) 1969-09-17
DE1272374C2 (en) 1973-12-20
NL6616888A (en) 1967-06-22
FR1505923A (en) 1967-12-15
DE1272374B (en) 1968-07-11

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