DE69601647T2 - Paneelförmige lautsprecher - Google Patents

Paneelförmige lautsprecher

Info

Publication number
DE69601647T2
DE69601647T2 DE69601647T DE69601647T DE69601647T2 DE 69601647 T2 DE69601647 T2 DE 69601647T2 DE 69601647 T DE69601647 T DE 69601647T DE 69601647 T DE69601647 T DE 69601647T DE 69601647 T2 DE69601647 T2 DE 69601647T2
Authority
DE
Germany
Prior art keywords
panel
radiator
speakers
transducer
coupled
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 - Fee Related
Application number
DE69601647T
Other languages
English (en)
Other versions
DE69601647D1 (de
Inventor
Henry Azima
Martin Colloms
Neil Harris
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
Priority claimed from GBGB9517918.0A external-priority patent/GB9517918D0/en
Priority claimed from GBGB9522281.6A external-priority patent/GB9522281D0/en
Priority claimed from GBGB9606836.6A external-priority patent/GB9606836D0/en
Application filed by New Transducers Ltd filed Critical New Transducers Ltd
Application granted granted Critical
Publication of DE69601647D1 publication Critical patent/DE69601647D1/de
Publication of DE69601647T2 publication Critical patent/DE69601647T2/de
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
    • 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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting 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
    • H04R7/045—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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Holo Graphy (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
DE69601647T 1995-09-02 1996-09-02 Paneelförmige lautsprecher Expired - Fee Related DE69601647T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB9517918.0A GB9517918D0 (en) 1995-09-02 1995-09-02 Acoustic device
GBGB9522281.6A GB9522281D0 (en) 1995-10-31 1995-10-31 Acoustic device
GBGB9606836.6A GB9606836D0 (en) 1996-03-30 1996-03-30 Acoustic device
PCT/GB1996/002163 WO1997009847A1 (en) 1995-09-02 1996-09-02 Panel-form loudspeakers

Publications (2)

Publication Number Publication Date
DE69601647D1 DE69601647D1 (de) 1999-04-08
DE69601647T2 true DE69601647T2 (de) 1999-09-16

Family

ID=34865249

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69601647T Expired - Fee Related DE69601647T2 (de) 1995-09-02 1996-09-02 Paneelförmige lautsprecher

Country Status (13)

Country Link
EP (1) EP0847666B1 (de)
JP (1) JPH11512258A (de)
CN (1) CN1195459A (de)
AT (1) ATE177281T1 (de)
AU (1) AU703065B2 (de)
CA (1) CA2230701A1 (de)
DE (1) DE69601647T2 (de)
DK (1) DK0847666T3 (de)
EA (1) EA000929B1 (de)
ES (1) ES2131409T3 (de)
HK (1) HK1008650A1 (de)
RO (1) RO119047B1 (de)
WO (1) WO1997009847A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2336072A1 (en) 1998-06-22 1999-12-29 Slab Technology Limited Loudspeakers
GB9914507D0 (en) * 1999-06-23 1999-08-25 New Transducers Ltd Acoustic device
US7157649B2 (en) 1999-12-23 2007-01-02 New Transducers Limited Contact sensitive device
GB0116310D0 (en) 2001-07-04 2001-08-29 New Transducers Ltd Contact sensitive device
US6871149B2 (en) 2002-12-06 2005-03-22 New Transducers Limited Contact sensitive device
US11431312B2 (en) 2004-08-10 2022-08-30 Bongiovi Acoustics Llc System and method for digital signal processing
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
JP4924839B2 (ja) 2005-11-02 2012-04-25 日本電気株式会社 スピーカ、画像素子保護スクリーン、端末装置の筐体、および端末装置
FR2895617A1 (fr) * 2005-12-26 2007-06-29 Jacques Gerald Foin Systeme d'appel detenus audio gere par micro automates sur reseau lon et matrice audio. exploitation en alternat audio par haut parleurs reversibles commutes par les micros automates
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US11202161B2 (en) 2006-02-07 2021-12-14 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
FR2943880A1 (fr) * 2009-03-30 2010-10-01 Activacoustic Panneau acoustique destine a recevoir, emettre ou absorber des sons.
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
CN115428474A (zh) * 2020-04-29 2022-12-02 惠普发展公司，有限责任合伙企业 基于由扬声器收集的环境噪声对音频信号的修改
FR3128903B1 (fr) * 2021-11-10 2024-04-26 Saint Gobain Vitrage de véhicule adapté pour une émission et/ou une réception acoustique

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2241942B1 (de) * 1973-08-24 1976-05-07 Tretiakoff Oleg
JPS5748153Y2 (de) * 1977-11-26 1982-10-22
DE2819615A1 (de) * 1978-05-05 1979-11-08 Messerschmitt Boelkow Blohm Verfahren zur erzielung gleichmaessiger schallverteilungseigenschaften
EP0188609A1 (de) * 1984-08-03 1986-07-30 Motorola, Inc. Piezoelektrischer lautsprecher mit feedback-umwandler
DE3429147A1 (de) * 1984-08-08 1986-02-20 Friedrich 6650 Homburg Müller Anordnung zur akustischen gegenkopplung von lautsprechern
US4654546A (en) * 1984-11-20 1987-03-31 Kari Kirjavainen Electromechanical film and procedure for manufacturing same
US4751419A (en) * 1986-12-10 1988-06-14 Nitto Incorporated Piezoelectric oscillation assembly including several individual piezoelectric oscillation devices having a common oscillation plate member
ATE117155T1 (de) * 1990-08-04 1995-01-15 Secr Defence Brit Paneelförmiger lautsprecher.

Also Published As

Publication number Publication date
CA2230701A1 (en) 1997-03-13
HK1008650A1 (en) 1999-05-14
WO1997009847A1 (en) 1997-03-13
ES2131409T3 (es) 1999-07-16
AU703065B2 (en) 1999-03-11
JPH11512258A (ja) 1999-10-19
AU6881996A (en) 1997-03-27
DK0847666T3 (da) 1999-10-04
EA000929B1 (ru) 2000-06-26
EP0847666B1 (de) 1999-03-03
RO119047B1 (ro) 2004-02-27
DE69601647D1 (de) 1999-04-08
CN1195459A (zh) 1998-10-07
EA199800257A1 (ru) 1998-10-29
EP0847666A1 (de) 1998-06-17
ATE177281T1 (de) 1999-03-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee