EP1083770A3 - Transducteur acoustique - Google Patents

Transducteur acoustique Download PDF

Info

Publication number
EP1083770A3
EP1083770A3 EP00117691A EP00117691A EP1083770A3 EP 1083770 A3 EP1083770 A3 EP 1083770A3 EP 00117691 A EP00117691 A EP 00117691A EP 00117691 A EP00117691 A EP 00117691A EP 1083770 A3 EP1083770 A3 EP 1083770A3
Authority
EP
European Patent Office
Prior art keywords
sound
acoustic transducer
drivers
disk
plate
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.)
Withdrawn
Application number
EP00117691A
Other languages
German (de)
English (en)
Other versions
EP1083770A2 (fr
Inventor
Wolfgang Prof. Dr. Bachmann
Gerhard Dr. Krump
Hans-Jürgen Regl
Andreas Ziganki
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.)
Harman Becker Automotive Systems GmbH
Original Assignee
Harman Audio Electronic Systems 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 Harman Audio Electronic Systems GmbH filed Critical Harman Audio Electronic Systems GmbH
Publication of EP1083770A2 publication Critical patent/EP1083770A2/fr
Publication of EP1083770A3 publication Critical patent/EP1083770A3/fr
Withdrawn legal-status Critical Current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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
EP00117691A 1999-09-09 2000-08-17 Transducteur acoustique Withdrawn EP1083770A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1999143084 DE19943084A1 (de) 1999-09-09 1999-09-09 Schallwandler
DE19943084 1999-09-09

Publications (2)

Publication Number Publication Date
EP1083770A2 EP1083770A2 (fr) 2001-03-14
EP1083770A3 true EP1083770A3 (fr) 2005-12-07

Family

ID=7921347

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00117691A Withdrawn EP1083770A3 (fr) 1999-09-09 2000-08-17 Transducteur acoustique

Country Status (2)

Country Link
EP (1) EP1083770A3 (fr)
DE (1) DE19943084A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1274272A1 (fr) * 2001-06-19 2003-01-08 Chao-Hsien Lin Application d'un haut-parleur invisible et procédé pour sa fabrication
DE10154915B4 (de) * 2001-11-08 2005-02-03 Harman/Becker Automotive Systems Gmbh (Harman Division) Flachlautsprecheranordnung
DE10164509A1 (de) * 2001-12-28 2003-07-17 Webasto Vehicle Sys Int Gmbh Lautsprechersystem für die Audioanlage eines Kraftfahrzeuges
EP1385354A1 (fr) * 2002-07-25 2004-01-28 Kam, Tai-Yan Haut-parleur transparent en forme de panneau
US6957516B2 (en) 2002-12-03 2005-10-25 Smart Skin, Inc. Acoustically intelligent windows

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2612450A1 (de) * 1976-03-24 1977-10-06 Reditune Thordsen Gmbh & Co Anordnung zur abgabe von akustischen signalen, insbesondere an werbeflaechen und schaukaesten oder -fenstern
DE3832616A1 (de) * 1988-09-26 1990-03-29 Electronic Werke Deutschland Lautsprecher
WO1997009698A1 (fr) * 1995-09-02 1997-03-13 New Transducers Limited Distributeur automatique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69106712T2 (de) * 1990-08-04 1995-06-08 Secr Defence Brit Paneelförmiger lautsprecher.
NL1000275C2 (nl) * 1995-05-02 1996-11-05 Hollandse Signaalapparaten Bv Acoustische trillingsgenerator.
DE69602204T2 (de) * 1995-09-02 1999-09-16 New Transducers Ltd PANEELFöRMIGE MIKROFONE
DE19757098C2 (de) * 1997-12-20 2003-01-09 Harman Audio Electronic Sys Aufhängung für Schallwiedergabeanordnungen nach dem Biegewellenprinzip

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2612450A1 (de) * 1976-03-24 1977-10-06 Reditune Thordsen Gmbh & Co Anordnung zur abgabe von akustischen signalen, insbesondere an werbeflaechen und schaukaesten oder -fenstern
DE3832616A1 (de) * 1988-09-26 1990-03-29 Electronic Werke Deutschland Lautsprecher
WO1997009698A1 (fr) * 1995-09-02 1997-03-13 New Transducers Limited Distributeur automatique

Also Published As

Publication number Publication date
EP1083770A2 (fr) 2001-03-14
DE19943084A1 (de) 2001-04-05

Similar Documents

Publication Publication Date Title
WO2003001843A3 (fr) Commande d'apodisation multidimensionnelle variable pour transducteurs ultrasoniques
EP0920832A3 (fr) Appareil de mesures de la densité à ultrason et procédé
FR2932339B1 (fr) Procede et dispositif de sondage par propagation d'ondes
TR199800365T1 (xx) Atalet titre�imi d�n��t�r�c�leri.
EP0993231A3 (fr) Dispositif de génération de sons
BR9912468A (pt) Dispositivo acústico
EA199800262A1 (ru) Панелевидный микрофон
EP1602331A4 (fr) Sonde ultrasonore
EP1085780A3 (fr) Porte
EP1083770A3 (fr) Transducteur acoustique
WO2005006271A3 (fr) Detecteur d'eau et de glace par onde acoustique
EP1106439A3 (fr) Pilier de véhicule pourvu d'un transducteur électroacoustique
DE69831366D1 (de) Zylindrische Ultraschallwandler zur Ausstrahlung von nach innen gerichteten Schallwellen
EP1158834A3 (fr) Haut-parleur à haute fréquence
NO981444L (no) Akustisk transduser, hydrofon med slik transduser og fremgangsmÕte for fremstilling av hydrofoner
EP1801596A3 (fr) Transmission d'informations de statut de dispositifs électroniques portables vers un autre dispositif électronique et détermination d'une forme de communication entre les dispositifs sur la base des informations de statut
Ip et al. Extraction of patch-induced Lamb waves using a wavelet transform
DE69401738D1 (de) Verfahren zum Hochleistungsemission von akustischen Wellen und damit übereinstimmende Wandlerhorne
Larson et al. State switched acoustic source
RU94005901A (ru) Ультразвуковой низкочастотный преобразователь (его варианты)
DK0657868T3 (da) Fremgangsmåde til udsendelse af meget lavfrekvente og kraftige akustiske bølger (lydbølger) samt dertil hørende transducere
HAMMOND Institute of Sound and Vibration Research(Annual Report)
SU868571A1 (ru) Преобразователь импедансного дефектоскопа
ITRM920591A1 (it) Piezomembrana vincolata al centro e suo impiego per la realizzazione di avvisatore acustico.
deHoop et al. Transient analysis of the transmitting and receiving properties of a focused acoustic transducer with arbitrary rim

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

17P Request for examination filed

Effective date: 20060112

AKX Designation fees paid

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH

TPAC Observations filed by third parties

Free format text: ORIGINAL CODE: EPIDOSNTIPA

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20091109