IT978181B - MAGNET FOR SPEAKER - Google Patents

MAGNET FOR SPEAKER

Info

Publication number
IT978181B
IT978181B IT19241/73A IT1924173A IT978181B IT 978181 B IT978181 B IT 978181B IT 19241/73 A IT19241/73 A IT 19241/73A IT 1924173 A IT1924173 A IT 1924173A IT 978181 B IT978181 B IT 978181B
Authority
IT
Italy
Prior art keywords
speaker
magnet
Prior art date
Application number
IT19241/73A
Other languages
Italian (it)
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 IT978181B publication Critical patent/IT978181B/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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/022—Aspects regarding the stray flux internal or external to the magnetic circuit, e.g. shielding, shape of magnetic circuit, flux compensation coils

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
IT19241/73A 1972-01-21 1973-01-16 MAGNET FOR SPEAKER IT978181B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21971872A 1972-01-21 1972-01-21

Publications (1)

Publication Number Publication Date
IT978181B true IT978181B (en) 1974-09-20

Family

ID=22820492

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19241/73A IT978181B (en) 1972-01-21 1973-01-16 MAGNET FOR SPEAKER

Country Status (9)

Country Link
US (1) US3763334A (en)
JP (1) JPS4883817A (en)
BE (1) BE794025A (en)
DE (1) DE2302385A1 (en)
ES (1) ES410589A1 (en)
FR (1) FR2168575B1 (en)
GB (1) GB1409789A (en)
IT (1) IT978181B (en)
NL (1) NL7217774A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4645960A (en) * 1979-07-30 1987-02-24 Litton Systems, Inc. Ferro-fluid bearing
US4451811A (en) * 1979-07-30 1984-05-29 Litton Systems, Inc. Magnet structure
US4878560A (en) * 1989-03-16 1989-11-07 Scott Robert T Earmold
NO167699C (en) * 1989-05-16 1991-11-27 Infrawave Tech As ELECTROMECHANICAL TRANSDUCES FOR LOW-FREQUENCY VIBRATIONS.
WO1992016772A2 (en) * 1991-03-13 1992-10-01 Alfred Teves Gmbh Twin-tube shock absorber
DE69430776T2 (en) * 1993-04-28 2003-03-27 Matsushita Electric Ind Co Ltd Speaker apparatus
DE29512102U1 (en) * 1995-07-27 1995-10-05 Nokia Deutschland Gmbh Magnet system
DE19616794B4 (en) * 1996-04-26 2005-09-29 Harman Audio Electronic Systems Gmbh speaker
DE10215364B4 (en) * 2002-04-08 2004-05-27 Harman/Becker Automotive Systems Gmbh (Straubing Division) Drive arrangement for a loudspeaker
DE10232643A1 (en) * 2002-07-18 2004-02-12 Harman/Becker Automotive Systems Gmbh (Straubing Division) Actuating structure for a loudspeaker has an arrangement of magnets with an actuating magnet, a pole core and a pole shank as well as an air gap
FR2960738B1 (en) * 2010-05-28 2015-09-25 Focal Jmlab ACOUSTIC SPEAKER

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2293078A (en) * 1939-12-05 1942-08-18 B A Proctor Company Inc Microphone
US2860721A (en) * 1954-03-24 1958-11-18 Fauthal A Hassan Sound reproducing device
DE971442C (en) * 1954-08-29 1959-01-29 Standard Elek K Lorenz Ag Dynamic speaker
USRE26030E (en) * 1956-02-28 1966-05-24 Dynamic transducer
US3046362A (en) * 1956-11-06 1962-07-24 Stanley F White Speaker
US2923783A (en) * 1957-06-17 1960-02-02 Stanley F White Electro-acoustical transducer
US3413579A (en) * 1966-03-14 1968-11-26 Westinghouse Electric Corp Magnetic field assembly for electro-mechanical transducers

Also Published As

Publication number Publication date
ES410589A1 (en) 1975-12-16
DE2302385A1 (en) 1973-07-26
BE794025A (en) 1973-05-02
GB1409789A (en) 1975-10-15
NL7217774A (en) 1973-07-24
FR2168575B1 (en) 1977-02-04
JPS4883817A (en) 1973-11-08
US3763334A (en) 1973-10-02
FR2168575A1 (en) 1973-08-31

Similar Documents

Publication Publication Date Title
IT1001646B (en) SET MAGNET
DK135480C (en) MAIN MICROPHONE
SE7607066L (en) ANESTHESIA
IT996611B (en) MINICASSETTE FOR MAGNETIC TAPE
SE389253B (en) SPEAKERS
SE390857B (en) CASCAD AMPLIFIER
IT993820B (en) IMPROVED MAGNETIC TRANSDUCER
BE806212A (en) ADVANCED MAGNETIC TRANSDUCERS
AT338872B (en) TRANSISTOR-MOUNTED AMPLIFIER
AT332139B (en) VOICE RECORDER
IT987462B (en) REPRODUCTION APPARATUS
SE392671B (en) HALLARE FOR BLIXTLASLOPARE
IT978181B (en) MAGNET FOR SPEAKER
SE381980B (en) PALEGGARE FOR HARFERGNING
DK144153C (en) MAGNETIC Bubble Domain Domain Apparatus
SE395459B (en) N-SUBSTITUTED BETA-AMINOETHYLSILANES
AT344806B (en) DYNAMIC SPEAKER
SE390790B (en) LOPARE FOR BLIXTLAS
FI53910B (en) FOERFARANDE FOER OSTFRAMSTAELLING GENOM ATT BEHANDLA MJOELK MED ALLMAEN ULTRAFILTRERINGSTEKNIK
SE386580B (en) HALLARE FOR BLIXTLASLOPARE
BR7301195D0 (en) MAGNETIC ARRANGEMENT
AT317321B (en) Speaker bracket
FI56314B (en) MEDIA RIVANORDNING FOERSEDD HAOLLARE FOER MATERIALBANOR SAERSKILT FOER PAPPERSRULLAR
CH538172A (en) Sound dispenser
AT309375B (en) Magnetic bar