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EP1119219A3 - Electroacoustic miniature transducer - Google Patents

Electroacoustic miniature transducer Download PDF

Info

Publication number
EP1119219A3
EP1119219A3 EP01100376A EP01100376A EP1119219A3 EP 1119219 A3 EP1119219 A3 EP 1119219A3 EP 01100376 A EP01100376 A EP 01100376A EP 01100376 A EP01100376 A EP 01100376A EP 1119219 A3 EP1119219 A3 EP 1119219A3
Authority
EP
European Patent Office
Prior art keywords
miniature transducer
regions
electroacoustic miniature
membrane
electroacoustic
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
EP01100376A
Other languages
German (de)
French (fr)
Other versions
EP1119219B1 (en
EP1119219A2 (en
Inventor
Torsten NIEDERDRÄNK
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.)
Sivantos GmbH
Original Assignee
Siemens Audioligische Technik GmbH
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 Siemens Audioligische Technik GmbH filed Critical Siemens Audioligische Technik GmbH
Publication of EP1119219A2 publication Critical patent/EP1119219A2/en
Publication of EP1119219A3 publication Critical patent/EP1119219A3/en
Application granted granted Critical
Publication of EP1119219B1 publication Critical patent/EP1119219B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/48—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using constructional means for obtaining a desired frequency response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

The miniature transducer has at least one drive and a membrane divided into at least two sound-producing membrane regions (1,5) with frequency-dependent transmission characteristics. An elastic element (5) is arranged between two adjacent membrane regions to form a mechanical resonance system with the regions.
EP01100376A 2000-01-21 2001-01-05 Electroacoustic miniature transducer Expired - Lifetime EP1119219B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10002567 2000-01-21
DE10002567A DE10002567C1 (en) 2000-01-21 2000-01-21 Miniature electric-acoustic transducer

Publications (3)

Publication Number Publication Date
EP1119219A2 EP1119219A2 (en) 2001-07-25
EP1119219A3 true EP1119219A3 (en) 2005-03-30
EP1119219B1 EP1119219B1 (en) 2005-12-07

Family

ID=7628313

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01100376A Expired - Lifetime EP1119219B1 (en) 2000-01-21 2001-01-05 Electroacoustic miniature transducer

Country Status (6)

Country Link
US (1) US20010009587A1 (en)
EP (1) EP1119219B1 (en)
AT (1) ATE312496T1 (en)
DE (2) DE10002567C1 (en)
DK (1) DK1119219T3 (en)
ES (1) ES2254264T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0102865D0 (en) * 2001-02-06 2001-03-21 Secr Defence Brit Panel form loudspeaker
ATE370633T1 (en) * 2001-09-10 2007-09-15 Sonion As MINIATURE SPEAKER WITH INTEGRATED SIGNAL PROCESSING ELECTRONICS
DE102007003164A1 (en) * 2007-01-22 2008-07-24 Siemens Ag Acoustic reproducing apparatus and method for reproducing an acoustic signal
WO2016054447A1 (en) * 2014-10-02 2016-04-07 Chirp Microsystems Micromachined ultrasonic transducers with a slotted membrane structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534827A (en) * 1968-06-19 1970-10-20 Stephen L Heidrich Electro-acoustic high impedance transducer
DE2751700A1 (en) * 1977-11-19 1979-05-23 Rainer C Friz Wide frequency responsive loudspeaker diaphragm - has mechanical filtering provided by elastic parts linking concentric rigid parts
EP0022937A1 (en) * 1979-07-10 1981-01-28 Rainer Cornelius Friz Loudspeaker with a multiple path diaphragm

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5960093A (en) * 1998-03-30 1999-09-28 Knowles Electronics, Inc. Miniature transducer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534827A (en) * 1968-06-19 1970-10-20 Stephen L Heidrich Electro-acoustic high impedance transducer
DE2751700A1 (en) * 1977-11-19 1979-05-23 Rainer C Friz Wide frequency responsive loudspeaker diaphragm - has mechanical filtering provided by elastic parts linking concentric rigid parts
EP0022937A1 (en) * 1979-07-10 1981-01-28 Rainer Cornelius Friz Loudspeaker with a multiple path diaphragm

Also Published As

Publication number Publication date
EP1119219B1 (en) 2005-12-07
EP1119219A2 (en) 2001-07-25
ATE312496T1 (en) 2005-12-15
DE50108266D1 (en) 2006-01-12
US20010009587A1 (en) 2001-07-26
ES2254264T3 (en) 2006-06-16
DE10002567C1 (en) 2001-09-27
DK1119219T3 (en) 2006-04-10

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