CA2146969C - Electroacoustic transducer - Google Patents

Electroacoustic transducer Download PDF

Info

Publication number
CA2146969C
CA2146969C CA002146969A CA2146969A CA2146969C CA 2146969 C CA2146969 C CA 2146969C CA 002146969 A CA002146969 A CA 002146969A CA 2146969 A CA2146969 A CA 2146969A CA 2146969 C CA2146969 C CA 2146969C
Authority
CA
Canada
Prior art keywords
reed
transducer
tunnel
coil
formations
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 - Fee Related
Application number
CA002146969A
Other languages
English (en)
French (fr)
Other versions
CA2146969A1 (en
Inventor
Richard James Salvage
Steven John Harrington
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 CA2146969A1 publication Critical patent/CA2146969A1/en
Application granted granted Critical
Publication of CA2146969C publication Critical patent/CA2146969C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04R11/04—Microphones
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
    • H04R2205/041—Adaptation of stereophonic signal reproduction for the hearing impaired
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-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)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Headphones And Earphones (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
CA002146969A 1992-10-29 1993-10-15 Electroacoustic transducer Expired - Fee Related CA2146969C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB929222677A GB9222677D0 (en) 1992-10-29 1992-10-29 Electroacoustic transducer
GB9222677.8 1992-10-29
PCT/GB1993/002140 WO1994010817A1 (en) 1992-10-29 1993-10-15 Electroacoustic transducer

Publications (2)

Publication Number Publication Date
CA2146969A1 CA2146969A1 (en) 1994-05-11
CA2146969C true CA2146969C (en) 2000-12-26

Family

ID=10724218

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002146969A Expired - Fee Related CA2146969C (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) DE69331913T2 (de)
DK (2) DK0784415T3 (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

Family Cites Families (7)

* 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
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
US4272654A (en) * 1979-01-08 1981-06-09 Industrial Research Products, Inc. Acoustic transducer of improved construction
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

Also Published As

Publication number Publication date
DK0784415T3 (da) 2002-08-19
EP0924961B1 (de) 2002-03-13
JPH08502635A (ja) 1996-03-19
EP0667093B1 (de) 1998-01-07
ATE162038T1 (de) 1998-01-15
DK0667093T3 (da) 1998-09-07
DE69331717D1 (de) 2002-04-18
DE69331913T2 (de) 2002-11-28
EP0924961A1 (de) 1999-06-23
DE69331913D1 (de) 2002-06-13
EP0667093A1 (de) 1995-08-16
CA2146969A1 (en) 1994-05-11
AU682831B2 (en) 1997-10-23
DE69316233T2 (de) 1998-05-28
DE69316233D1 (de) 1998-02-12
DE69331717T2 (de) 2002-10-31
WO1994010817A1 (en) 1994-05-11
AU5284193A (en) 1994-05-24
GB9222677D0 (en) 1992-12-09
EP0784415A1 (de) 1997-07-16
EP0784415B1 (de) 2002-05-08

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20031015