DE60005329D1 - PIEZOELECTRIC VIBRATION EXCITER - Google Patents

PIEZOELECTRIC VIBRATION EXCITER

Info

Publication number
DE60005329D1
DE60005329D1 DE60005329T DE60005329T DE60005329D1 DE 60005329 D1 DE60005329 D1 DE 60005329D1 DE 60005329 T DE60005329 T DE 60005329T DE 60005329 T DE60005329 T DE 60005329T DE 60005329 D1 DE60005329 D1 DE 60005329D1
Authority
DE
Germany
Prior art keywords
piezoelectric vibration
vibration exciter
exciter
piezoelectric
vibration
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 - Lifetime
Application number
DE60005329T
Other languages
German (de)
Inventor
Henry Azima
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.)
NVF Tech Ltd
Original Assignee
New Transducers 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 New Transducers Ltd filed Critical New Transducers Ltd
Application granted granted Critical
Publication of DE60005329D1 publication Critical patent/DE60005329D1/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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • 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
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
    • 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
    • H04R7/26—Damping by means acting directly on free portion of diaphragm or cone

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
DE60005329T 1999-04-29 2000-04-28 PIEZOELECTRIC VIBRATION EXCITER Expired - Lifetime DE60005329D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9910216.2A GB9910216D0 (en) 1999-04-29 1999-04-29 Vibration exciter
PCT/GB2000/001485 WO2000067525A2 (en) 1999-04-29 2000-04-28 Piezoelectric vibration exciter

Publications (1)

Publication Number Publication Date
DE60005329D1 true DE60005329D1 (en) 2003-10-23

Family

ID=10852721

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60005329T Expired - Lifetime DE60005329D1 (en) 1999-04-29 2000-04-28 PIEZOELECTRIC VIBRATION EXCITER

Country Status (8)

Country Link
EP (1) EP1172019B1 (en)
JP (1) JP2002543727A (en)
CN (1) CN1343438A (en)
AU (1) AU4582400A (en)
DE (1) DE60005329D1 (en)
GB (1) GB9910216D0 (en)
TW (1) TW472497B (en)
WO (1) WO2000067525A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2009001769A1 (en) * 2007-06-27 2010-08-26 アルプス電気株式会社 Electrostrictive actuator module
DE102021213003A1 (en) 2021-11-18 2023-05-25 Continental Automotive Technologies GmbH Transducer for generating sound waves and display

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819099A (en) * 1981-07-27 1983-02-03 Murata Mfg Co Ltd Piezoelectric type loud speaker
GB2166022A (en) * 1984-09-05 1986-04-23 Sawafuji Dynameca Co Ltd Piezoelectric vibrator
US5115472A (en) * 1988-10-07 1992-05-19 Park Kyung T Electroacoustic novelties
UA51671C2 (en) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Acoustic device
BE1011085A4 (en) * 1997-04-03 1999-04-06 Sonitron Naamloze Vennootschap ELEMENT FOR PLAYING AND / OR RECORDING SOUND.

Also Published As

Publication number Publication date
WO2000067525A2 (en) 2000-11-09
WO2000067525A3 (en) 2001-03-08
AU4582400A (en) 2000-11-17
GB9910216D0 (en) 1999-06-30
JP2002543727A (en) 2002-12-17
TW472497B (en) 2002-01-11
EP1172019A2 (en) 2002-01-16
CN1343438A (en) 2002-04-03
EP1172019B1 (en) 2003-09-17

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Legal Events

Date Code Title Description
8332 No legal effect for de