CA2146969A1 - Electroacoustic Transducer - Google Patents

Electroacoustic Transducer

Info

Publication number
CA2146969A1
CA2146969A1 CA2146969A CA2146969A CA2146969A1 CA 2146969 A1 CA2146969 A1 CA 2146969A1 CA 2146969 A CA2146969 A CA 2146969A CA 2146969 A CA2146969 A CA 2146969A CA 2146969 A1 CA2146969 A1 CA 2146969A1
Authority
CA
Canada
Prior art keywords
electroacoustic transducer
reed
formations
incorporate
deflection
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.)
Granted
Application number
CA2146969A
Other languages
French (fr)
Other versions
CA2146969C (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
Individual
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 Individual filed Critical Individual
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)

Abstract

This invention relates to electroacoustic transducers which incorporate a reed armature 17. Formations (25, 26, 27, 28 and 29) are provided for mounting the deflection of the reed 17. <IMAGE>
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 true CA2146969A1 (en) 1994-05-11
CA2146969C 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) EP0924961B1 (en)
JP (1) JPH08502635A (en)
AT (1) ATE162038T1 (en)
AU (1) AU682831B2 (en)
CA (1) CA2146969C (en)
DE (3) DE69331717T2 (en)
DK (2) DK0784415T3 (en)
GB (1) GB9222677D0 (en)
WO (1) WO1994010817A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1000878C2 (en) * 1995-07-24 1997-01-28 Microtronic Nederland Bv Transducer.
NL1000880C2 (en) * 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 (en) * 2012-03-20 2014-03-19 신 렬 이 High Power Slim Electromagnet Speaker
US9485585B2 (en) 2013-10-17 2016-11-01 Knowles Electronics, Llc Shock resistant coil and receiver
DE102018221577A1 (en) 2017-12-30 2019-07-04 Knowles Electronics, Llc ELECTRIC ACOUSTIC CONVERTER WITH IMPROVED SHOCK PROTECTION
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
WO1994010817A1 (en) 1994-05-11
DE69316233D1 (en) 1998-02-12
DK0784415T3 (en) 2002-08-19
DK0667093T3 (en) 1998-09-07
EP0784415A1 (en) 1997-07-16
EP0667093A1 (en) 1995-08-16
JPH08502635A (en) 1996-03-19
ATE162038T1 (en) 1998-01-15
CA2146969C (en) 2000-12-26
GB9222677D0 (en) 1992-12-09
DE69316233T2 (en) 1998-05-28
EP0667093B1 (en) 1998-01-07
DE69331717T2 (en) 2002-10-31
EP0924961B1 (en) 2002-03-13
EP0924961A1 (en) 1999-06-23
DE69331717D1 (en) 2002-04-18
DE69331913T2 (en) 2002-11-28
AU682831B2 (en) 1997-10-23
EP0784415B1 (en) 2002-05-08
AU5284193A (en) 1994-05-24
DE69331913D1 (en) 2002-06-13

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20031015