DK571378A - ELECTRIC ACOUSTIC TRANSDUCER DEVICE - Google Patents

ELECTRIC ACOUSTIC TRANSDUCER DEVICE

Info

Publication number
DK571378A
DK571378A DK571378A DK571378A DK571378A DK 571378 A DK571378 A DK 571378A DK 571378 A DK571378 A DK 571378A DK 571378 A DK571378 A DK 571378A DK 571378 A DK571378 A DK 571378A
Authority
DK
Denmark
Prior art keywords
acoustic transducer
transducer device
electric acoustic
electric
transducer
Prior art date
Application number
DK571378A
Other languages
Danish (da)
Inventor
E R Burwood
Original Assignee
Commw Of Australia
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 Commw Of Australia filed Critical Commw Of Australia
Publication of DK571378A publication Critical patent/DK571378A/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
    • 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
    • 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
    • H04R2209/027—Electrical or mechanical reduction of yoke vibration
    • 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)
  • Circuit For Audible Band Transducer (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
DK571378A 1977-12-19 1978-12-19 ELECTRIC ACOUSTIC TRANSDUCER DEVICE DK571378A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPD281177 1977-12-19

Publications (1)

Publication Number Publication Date
DK571378A true DK571378A (en) 1979-06-20

Family

ID=3767327

Family Applications (1)

Application Number Title Priority Date Filing Date
DK571378A DK571378A (en) 1977-12-19 1978-12-19 ELECTRIC ACOUSTIC TRANSDUCER DEVICE

Country Status (5)

Country Link
JP (1) JPS54148309A (en)
AU (1) AU4256778A (en)
DE (1) DE2854912A1 (en)
DK (1) DK571378A (en)
GB (1) GB2018089A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK159357C (en) * 1988-03-18 1991-03-04 Oticon As HEARING EQUIPMENT, NECESSARY FOR EQUIPMENT
USH1875H (en) * 1996-07-22 2000-10-03 Microtronic A/S Electroacoustic transducer
EP1341395A1 (en) * 2002-05-24 2003-09-03 Phonak Ag Hearing device
DE10223544C1 (en) * 2002-05-27 2003-07-24 Siemens Audiologische Technik Amplifier device for hearing aid with microphone and pick-up coil inputs, has amplifier provided with separate filters for acoustic and inductive feedback compensation
CN101171881A (en) * 2005-05-09 2008-04-30 美商楼氏电子有限公司 Conjoined receiver and microphone assembly
US20070230734A1 (en) * 2006-04-04 2007-10-04 Knowles Electronics, Llc Monitor Transducer System and Manufacturing Method Thereof
DK1895811T3 (en) * 2006-08-28 2016-08-29 Sonion Nederland Bv Several speakers with a common acoustic tube
EP2134107B1 (en) * 2008-06-11 2013-09-25 Sonion Nederland B.V. Method of operating a hearing instrument with improved venting
CN103069841A (en) 2010-08-03 2013-04-24 峰力公司 Receiver system for a hearing instrument
DE102014112784A1 (en) * 2014-09-04 2016-03-10 USound GmbH Speaker layout
US10516948B2 (en) 2017-02-28 2019-12-24 USound GmbH Loudspeaker arrangement
GB2601004A (en) 2020-11-17 2022-05-18 Cummins Power Generation Ltd Valve spring retainer incorporating lubrication oil trap

Also Published As

Publication number Publication date
AU4256778A (en) 1979-07-05
GB2018089A (en) 1979-10-10
JPS54148309A (en) 1979-11-20
DE2854912A1 (en) 1979-06-21

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