AU682831B2 - Electroacoustic transducer - Google Patents

Electroacoustic transducer Download PDF

Info

Publication number
AU682831B2
AU682831B2 AU52841/93A AU5284193A AU682831B2 AU 682831 B2 AU682831 B2 AU 682831B2 AU 52841/93 A AU52841/93 A AU 52841/93A AU 5284193 A AU5284193 A AU 5284193A AU 682831 B2 AU682831 B2 AU 682831B2
Authority
AU
Australia
Prior art keywords
reed
transducer
tunnel
formations
coil
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.)
Ceased
Application number
AU52841/93A
Other languages
English (en)
Other versions
AU5284193A (en
Inventor
Steven John Harrington
Richard James Salvage
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.)
Knowles Europe Ltd
Original Assignee
Knowles Europe Ltd
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 Knowles Europe Ltd filed Critical Knowles Europe Ltd
Publication of AU5284193A publication Critical patent/AU5284193A/en
Application granted granted Critical
Publication of AU682831B2 publication Critical patent/AU682831B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00Transducers of moving-armature or moving-core type
    • H04R11/04Microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00Transducers of moving-armature or moving-core type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00Transducers of moving-armature or moving-core type
    • H04R11/02Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2205/00Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
    • H04R2205/041Adaptation of stereophonic signal reproduction for the hearing impaired
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Headphones And Earphones (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
AU52841/93A 1992-10-29 1993-10-15 Electroacoustic transducer Ceased AU682831B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9222677 1992-10-29
GB929222677A GB9222677D0 (en) 1992-10-29 1992-10-29 Electroacoustic transducer
PCT/GB1993/002140 WO1994010817A1 (en) 1992-10-29 1993-10-15 Electroacoustic transducer

Publications (2)

Publication Number Publication Date
AU5284193A AU5284193A (en) 1994-05-24
AU682831B2 true AU682831B2 (en) 1997-10-23

Family

ID=10724218

Family Applications (1)

Application Number Title Priority Date Filing Date
AU52841/93A Ceased AU682831B2 (en) 1992-10-29 1993-10-15 Electroacoustic transducer

Country Status (9)

Country Link
EP (3) EP0784415B1 (de)
JP (1) JPH08502635A (de)
AT (1) ATE162038T1 (de)
AU (1) AU682831B2 (de)
CA (1) CA2146969C (de)
DE (3) DE69316233T2 (de)
DK (2) DK0667093T3 (de)
GB (1) GB9222677D0 (de)
WO (1) WO1994010817A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1000880C2 (nl) * 1995-07-24 1997-01-28 Microtronic Nederland Bv Transducer.
NL1000878C2 (nl) * 1995-07-24 1997-01-28 Microtronic Nederland Bv Transducer.
US7321664B2 (en) 2004-01-13 2008-01-22 Sonionmicrotronic Nederland B.V. Receiver having an improved bobbin
KR101376027B1 (ko) * 2012-03-20 2014-03-19 신 렬 이 대출력 박형 전자석 스피커
US9485585B2 (en) * 2013-10-17 2016-11-01 Knowles Electronics, Llc Shock resistant coil and receiver
DE202018107123U1 (de) 2017-12-30 2019-01-08 Knowles Electronics, Llc Elektroakustischer Wandler mit verbessertem Stoßschutz
US11659337B1 (en) 2021-12-29 2023-05-23 Knowles Electronics, Llc Balanced armature receiver having improved shock performance

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3005880A (en) * 1960-05-06 1961-10-24 Elvin D Simshauser Non-linear transducer armature
US3671684A (en) * 1970-11-06 1972-06-20 Tibbetts Industries Magnetic transducer
US4272654A (en) * 1979-01-08 1981-06-09 Industrial Research Products, Inc. Acoustic transducer of improved construction

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3935398A (en) * 1971-07-12 1976-01-27 Industrial Research Products, Inc. Transducer with improved armature and yoke construction
GB1364669A (en) * 1971-12-23 1974-08-29 Standard Telephones Cables Ltd Electro acoustic transducers
GB2085694B (en) * 1980-10-02 1984-02-01 Standard Telephones Cables Ltd Balanced armature transducers
US4956868A (en) * 1989-10-26 1990-09-11 Industrial Research Products, Inc. Magnetically shielded electromagnetic acoustic transducer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3005880A (en) * 1960-05-06 1961-10-24 Elvin D Simshauser Non-linear transducer armature
US3671684A (en) * 1970-11-06 1972-06-20 Tibbetts Industries Magnetic transducer
US4272654A (en) * 1979-01-08 1981-06-09 Industrial Research Products, Inc. Acoustic transducer of improved construction

Also Published As

Publication number Publication date
JPH08502635A (ja) 1996-03-19
DE69331717T2 (de) 2002-10-31
CA2146969C (en) 2000-12-26
DE69316233T2 (de) 1998-05-28
DK0784415T3 (da) 2002-08-19
DE69316233D1 (de) 1998-02-12
ATE162038T1 (de) 1998-01-15
DK0667093T3 (da) 1998-09-07
WO1994010817A1 (en) 1994-05-11
CA2146969A1 (en) 1994-05-11
DE69331717D1 (de) 2002-04-18
DE69331913T2 (de) 2002-11-28
EP0667093A1 (de) 1995-08-16
AU5284193A (en) 1994-05-24
EP0784415A1 (de) 1997-07-16
EP0924961A1 (de) 1999-06-23
EP0667093B1 (de) 1998-01-07
EP0784415B1 (de) 2002-05-08
DE69331913D1 (de) 2002-06-13
EP0924961B1 (de) 2002-03-13
GB9222677D0 (en) 1992-12-09

Similar Documents

Publication Publication Date Title
US5647013A (en) Electroacostic transducer
US4490815A (en) Actuator for use in a pickup device for a video disk player
EP1613126A2 (de) Lautsprechervorrichtung mit magnetischer Flüssigkeit
EP1418792A2 (de) Wandler mit mehreren push-push magnetischen Luftspalten
AU682831B2 (en) Electroacoustic transducer
CA2083988C (en) Balanced armature transducers with transverse gap
EP1962550A2 (de) Empfänger mit beweglicher Armatur mit reduzierter parasitärer Kopplung
WO2002100984A1 (en) Stripping process and apparatus
US20040131223A1 (en) Electromagnetic transducer having a hybrid internal/external magnet motor geometry
KR20140013894A (ko) 스피커
US7239052B2 (en) Magnetic actuators
EP0002955B1 (de) Schwingspulen- Tonabnehmer
CN108702577B (zh) 扬声器
US4103117A (en) Pick-up cartridge
CN111969893B (zh) 一种宽频马达
US4503923A (en) Electromagnetic force-compensating balance
CN108347680B (zh) 一种发声器
KR20010107404A (ko) 두 개 이상의 자극공(공극)을 갖고, 보빈의 양 끝에댐퍼를 설치한 스피커
JP2010098461A (ja) 平面スピーカ
KR19990041872A (ko) 이중 보이스코일을 가지는 스피커 구조
US2890447A (en) Electromagnetic drive system for relays, ringers and the like
CN219304999U (zh) 一种振动装置及受话器
US4281225A (en) Pickup cartridge for reproducing signals recorded on a 45-45 stereophonic record disk
CN219305034U (zh) 一种振动装置及受话器
KR102146285B1 (ko) 스피커

Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired