FR2202420A1 - - Google Patents

Info

Publication number
FR2202420A1
FR2202420A1 FR7321658A FR7321658A FR2202420A1 FR 2202420 A1 FR2202420 A1 FR 2202420A1 FR 7321658 A FR7321658 A FR 7321658A FR 7321658 A FR7321658 A FR 7321658A FR 2202420 A1 FR2202420 A1 FR 2202420A1
Authority
FR
France
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.)
Granted
Application number
FR7321658A
Other languages
French (fr)
Other versions
FR2202420B1 (en
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 FR2202420A1 publication Critical patent/FR2202420A1/fr
Application granted granted Critical
Publication of FR2202420B1 publication Critical patent/FR2202420B1/fr
Expired legal-status Critical Current

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
FR7321658A 1972-06-22 1973-06-14 Expired FR2202420B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2202420A1 true FR2202420A1 (en) 1974-05-03
FR2202420B1 FR2202420B1 (en) 1980-04-18

Family

ID=23009664

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7321658A Expired FR2202420B1 (en) 1972-06-22 1973-06-14

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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2301220A1 (en) * 1975-02-22 1976-09-17 Kuhn & Co VOICE PROSTHESIS FOR SUBJECTS HAVING UNDERGOING LARYNX OPERATION
FR2384411A1 (en) * 1977-03-14 1978-10-13 Burundukov Valentin ELECTRODYN CONVERTER

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723994Y2 (en) * 1976-12-03 1982-05-24
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
JP4412495B2 (en) * 2002-09-26 2010-02-10 セイコーエプソン株式会社 Drive mechanism
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
CN103718567B (en) * 2011-07-21 2017-09-08 喜恩吉股份有限公司 Method from resonance type sounding loudspeaker is installed
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
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2301220A1 (en) * 1975-02-22 1976-09-17 Kuhn & Co VOICE PROSTHESIS FOR SUBJECTS HAVING UNDERGOING LARYNX OPERATION
FR2384411A1 (en) * 1977-03-14 1978-10-13 Burundukov Valentin ELECTRODYN CONVERTER

Also Published As

Publication number Publication date
JPS5690099U (en) 1981-07-18
IT989118B (en) 1975-05-20
GB1426391A (en) 1976-02-25
CA963571A (en) 1975-02-25
SE388103B (en) 1976-09-20
DE2326960B2 (en) 1980-10-02
CH559993A5 (en) 1975-06-13
IE37725L (en) 1973-12-22
BE801293A (en) 1973-10-15
US3798391A (en) 1974-03-19
FR2202420B1 (en) 1980-04-18
JPS5013027A (en) 1975-02-10
NL7308542A (en) 1973-12-27
DE2326960C3 (en) 1981-05-14
HK49477A (en) 1977-09-30
KR780000424B1 (en) 1978-10-10
SU583783A3 (en) 1977-12-05
IE37725B1 (en) 1977-09-28
DE2326960A1 (en) 1974-01-10
ES416111A1 (en) 1976-06-16
JPS6019436Y2 (en) 1985-06-11

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Legal Events

Date Code Title Description
ST Notification of lapse