DE2326960C3 - Elektro-akustischer Wandler - Google Patents

Elektro-akustischer Wandler

Info

Publication number
DE2326960C3
DE2326960C3 DE2326960A DE2326960A DE2326960C3 DE 2326960 C3 DE2326960 C3 DE 2326960C3 DE 2326960 A DE2326960 A DE 2326960A DE 2326960 A DE2326960 A DE 2326960A DE 2326960 C3 DE2326960 C3 DE 2326960C3
Authority
DE
Germany
Prior art keywords
permanent magnet
magnet
electro
gap
cobalt
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE2326960A
Other languages
German (de)
English (en)
Other versions
DE2326960A1 (de
DE2326960B2 (de
Inventor
Rollin James Greenville Mich. Parker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE2326960A1 publication Critical patent/DE2326960A1/de
Publication of DE2326960B2 publication Critical patent/DE2326960B2/de
Application granted granted Critical
Publication of DE2326960C3 publication Critical patent/DE2326960C3/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)
DE2326960A 1972-06-22 1973-05-26 Elektro-akustischer Wandler Expired DE2326960C3 (de)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE2326960A1 DE2326960A1 (de) 1974-01-10
DE2326960B2 DE2326960B2 (de) 1980-10-02
DE2326960C3 true DE2326960C3 (de) 1981-05-14

Family

ID=23009664

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2326960A Expired DE2326960C3 (de) 1972-06-22 1973-05-26 Elektro-akustischer Wandler

Country Status (16)

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

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2507704C3 (de) * 1975-02-22 1980-07-24 Dr. Kuhn & Co Gmbh, 5000 Koeln Sprechhilfegerät für Kehlkopfoperierte
JPS5723994Y2 (https=) * 1976-12-03 1982-05-24
DK152477C (da) * 1977-03-14 1988-08-01 Burundukov Valentin M Elektrodynamisk transducer til omsaetning af mekaniske svingninger til elektriske signaler eller omvendt, samt stereofonisk og monofonisk pickuphoved og elektrodynamisk mikrofon med en saadan 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 (de) * 1982-03-10 1983-09-22 Siemens AG, 1000 Berlin und 8000 München Sprechanbahnungsgeraet
FR2549335B1 (fr) * 1983-07-13 1985-10-31 Corselli Laurent Haut-parleur a modulation magnetique
JPH0761193B2 (ja) * 1991-07-23 1995-06-28 ボディソニック株式会社 電気・機械振動変換器
RU2189123C2 (ru) * 2000-04-07 2002-09-10 Комаров Владимир Владимирович Электродинамический преобразователь "комаг"
CN102158170B (zh) * 2002-09-26 2013-01-02 精工爱普生株式会社 驱动机构
US8295536B2 (en) 2010-03-31 2012-10-23 Bose Corporation Moving magnet levered loudspeaker
US8295537B2 (en) 2010-03-31 2012-10-23 Bose Corporation Loudspeaker moment and torque balancing
HK1198350A1 (en) * 2011-07-21 2015-04-02 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 (ja) * 2014-03-26 2015-02-12 株式会社サウンドファン 万能スピーカ
TWI610576B (zh) * 2016-08-15 2018-01-01 緯創資通股份有限公司 揚聲器
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 (de) * 1957-01-09 1958-08-28 Johann Distler K G Elektromagnetischer Wandler
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 (de) * 1968-04-08 1970-04-30 Lothar Kuhnert Rundlautsprecher
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
US3655463A (en) * 1970-04-30 1972-04-11 Gen Electric Sintered cobalt-rare earth intermetallic process using solid sintering additive
US3655464A (en) * 1970-04-30 1972-04-11 Gen Electric Process of preparing a liquid sintered cobalt-rare earth intermetallic product
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
BE801293A (fr) 1973-10-15
CA963571A (en) 1975-02-25
DE2326960A1 (de) 1974-01-10
JPS5690099U (https=) 1981-07-18
IE37725L (en) 1973-12-22
US3798391A (en) 1974-03-19
IE37725B1 (en) 1977-09-28
FR2202420A1 (https=) 1974-05-03
JPS5013027A (https=) 1975-02-10
NL7308542A (https=) 1973-12-27
CH559993A5 (https=) 1975-06-13
GB1426391A (en) 1976-02-25
KR780000424B1 (en) 1978-10-10
ES416111A1 (es) 1976-06-16
IT989118B (it) 1975-05-20
HK49477A (en) 1977-09-30
JPS6019436Y2 (ja) 1985-06-11
DE2326960B2 (de) 1980-10-02
SU583783A3 (ru) 1977-12-05
SE388103B (sv) 1976-09-20
FR2202420B1 (https=) 1980-04-18

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Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee