KR780000424B1 - Movable magnet loudspeaker - Google Patents

Movable magnet loudspeaker

Info

Publication number
KR780000424B1
KR780000424B1 KR7300986A KR730000986A KR780000424B1 KR 780000424 B1 KR780000424 B1 KR 780000424B1 KR 7300986 A KR7300986 A KR 7300986A KR 730000986 A KR730000986 A KR 730000986A KR 780000424 B1 KR780000424 B1 KR 780000424B1
Authority
KR
South Korea
Prior art keywords
movable magnet
magnet loudspeaker
loudspeaker
movable
magnet
Prior art date
Application number
KR7300986A
Other languages
Korean (ko)
Inventor
R Parker
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
Application granted granted Critical
Publication of KR780000424B1 publication Critical patent/KR780000424B1/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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/02—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
KR7300986A 1972-06-22 1973-06-22 Movable magnet loudspeaker KR780000424B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26525072A 1972-06-22 1972-06-22

Publications (1)

Publication Number Publication Date
KR780000424B1 true KR780000424B1 (en) 1978-10-10

Family

ID=23009664

Family Applications (1)

Application Number Title Priority Date Filing Date
KR7300986A KR780000424B1 (en) 1972-06-22 1973-06-22 Movable magnet loudspeaker

Country Status (16)

Country Link
US (1) US3798391A (en)
JP (2) JPS5013027A (en)
KR (1) KR780000424B1 (en)
BE (1) BE801293A (en)
CA (1) CA963571A (en)
CH (1) CH559993A5 (en)
DE (1) DE2326960C3 (en)
ES (1) ES416111A1 (en)
FR (1) FR2202420B1 (en)
GB (1) GB1426391A (en)
HK (1) HK49477A (en)
IE (1) IE37725B1 (en)
IT (1) IT989118B (en)
NL (1) NL7308542A (en)
SE (1) SE388103B (en)
SU (1) SU583783A3 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2507704C3 (en) * 1975-02-22 1980-07-24 Dr. Kuhn & Co Gmbh, 5000 Koeln Speech aid device for larynx surgery
JPS5723994Y2 (en) * 1976-12-03 1982-05-24
DK152477C (en) * 1977-03-14 1988-08-01 Burundukov Valentin M ELECTRODYNAMIC TRANSDUCER FOR THE TRANSMISSION OF MECHANICAL VERSIONS TO ELECTRICAL SIGNALS OR vice versa, as well as stereo and monophonic pickup heads and electrodynamic microphones with such a transducer.
JPS5664514A (en) * 1979-10-29 1981-06-01 Dx Antenna Co Ltd Filter
US4385210A (en) * 1980-09-19 1983-05-24 Electro-Magnetic Corporation Electro-acoustic planar transducer
DE3208678A1 (en) * 1982-03-10 1983-09-22 Siemens AG, 1000 Berlin und 8000 München TALKING APPARATUS
FR2549335B1 (en) * 1983-07-13 1985-10-31 Corselli Laurent MAGNETICALLY MODULATED SPEAKER
JPH0761193B2 (en) * 1991-07-23 1995-06-28 ボディソニック株式会社 Electric / mechanical vibration converter
CN1685760B (en) * 2002-09-26 2011-04-13 精工爱普生株式会社 Drive mechanism
US8295537B2 (en) 2010-03-31 2012-10-23 Bose Corporation Loudspeaker moment and torque balancing
US8295536B2 (en) 2010-03-31 2012-10-23 Bose Corporation Moving magnet levered loudspeaker
EP2736269A4 (en) * 2011-07-21 2015-02-18 C Eng Co Ltd Self-resonating sound emitting speaker and method for installing self-resonating sound emitting speaker
US9055370B2 (en) 2012-08-31 2015-06-09 Bose Corporation Vibration-reducing passive radiators
JP5668233B1 (en) * 2014-03-26 2015-02-12 株式会社サウンドファン Universal speaker
TWI610576B (en) * 2016-08-15 2018-01-01 緯創資通股份有限公司 Loudspeaker
GB201619516D0 (en) * 2016-11-18 2017-01-04 Cooper Technologies Co Electroacoustic driver and related loudspeaker/sounder

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2110153A (en) * 1934-10-19 1938-03-08 Philips Nv Magnetic system
US2492255A (en) * 1944-12-26 1949-12-27 John O Angehrn Sealed-coil type vibratory magnet loudspeaker
DE1037510B (en) * 1957-01-09 1958-08-28 Johann Distler K G Electromagnetic converter
US3076062A (en) * 1959-10-30 1963-01-29 Dyna Magnetic Devices Inc Hearing-aid sound transducer
US3501358A (en) * 1967-08-30 1970-03-17 Gen Electric Method of making permanent magnet material powders having superior magnetic characteristics
DE1762107A1 (en) * 1968-04-08 1970-04-30 Lothar Kuhnert Circular speaker
US3651283A (en) * 1968-12-18 1972-03-21 Audio Arts Inc Loudspeaker having elongated rectangular moving coil
US3625779A (en) * 1969-08-21 1971-12-07 Gen Electric Reduction-fusion process for the production of rare earth intermetallic compounds
US3655464A (en) * 1970-04-30 1972-04-11 Gen Electric Process of preparing a liquid sintered cobalt-rare earth intermetallic product
US3655463A (en) * 1970-04-30 1972-04-11 Gen Electric Sintered cobalt-rare earth intermetallic process using solid sintering additive
US3682715A (en) * 1970-08-24 1972-08-08 Gen Electric Sintered cobalt-rare earth intermetallic product including samarium and lanthanum and permanent magnets produced therefrom

Also Published As

Publication number Publication date
FR2202420A1 (en) 1974-05-03
IT989118B (en) 1975-05-20
GB1426391A (en) 1976-02-25
SU583783A3 (en) 1977-12-05
IE37725B1 (en) 1977-09-28
DE2326960B2 (en) 1980-10-02
DE2326960C3 (en) 1981-05-14
JPS5013027A (en) 1975-02-10
CA963571A (en) 1975-02-25
NL7308542A (en) 1973-12-27
HK49477A (en) 1977-09-30
FR2202420B1 (en) 1980-04-18
US3798391A (en) 1974-03-19
CH559993A5 (en) 1975-06-13
JPS5690099U (en) 1981-07-18
JPS6019436Y2 (en) 1985-06-11
BE801293A (en) 1973-10-15
ES416111A1 (en) 1976-06-16
SE388103B (en) 1976-09-20
DE2326960A1 (en) 1974-01-10
IE37725L (en) 1973-12-22

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