RO119047B1 - Difuzor în formă de panou - Google Patents

Difuzor în formă de panou Download PDF

Info

Publication number
RO119047B1
RO119047B1 RO98-00646A RO9800646A RO119047B1 RO 119047 B1 RO119047 B1 RO 119047B1 RO 9800646 A RO9800646 A RO 9800646A RO 119047 B1 RO119047 B1 RO 119047B1
Authority
RO
Romania
Prior art keywords
radiant element
panel
locations
speaker
speaker according
Prior art date
Application number
RO98-00646A
Other languages
English (en)
Romanian (ro)
Inventor
Azimaáhenry
Collomsámartin
Harrisáneil
Original Assignee
Verityágroupáplc
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 Verityágroupáplc filed Critical Verityágroupáplc
Publication of RO119047B1 publication Critical patent/RO119047B1/ro

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/04—Circuits for transducers for correcting frequency response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Holo Graphy (AREA)
  • Transducers For Ultrasonic Waves (AREA)
RO98-00646A 1995-09-02 1996-09-02 Difuzor în formă de panou RO119047B1 (ro)

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 (1)

Publication Number Publication Date
RO119047B1 true RO119047B1 (ro) 2004-02-27

Family

ID=34865249

Family Applications (1)

Application Number Title Priority Date Filing Date
RO98-00646A RO119047B1 (ro) 1995-09-02 1996-09-02 Difuzor în formă de panou

Country Status (12)

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)
RO (1) RO119047B1 (de)
WO (1) WO1997009847A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HUP0102904A3 (en) 1998-06-22 2002-12-28 Slab Technology Ltd Albany 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
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US11431312B2 (en) 2004-08-10 2022-08-30 Bongiovi Acoustics Llc System and method for digital signal processing
EP1947901A4 (de) * 2005-11-02 2011-02-09 Nec Corp Sprecher, schützender bildelementschirm, gehäuse für endgerät und endgerät
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
JP2021521700A (ja) 2018-04-11 2021-08-26 ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー オーディオ強化聴力保護システム
CN115088271B (zh) * 2020-01-17 2025-05-02 深圳市韶音科技有限公司 一种麦克风及电子设备
EP4111706A4 (de) * 2020-04-29 2023-11-22 Hewlett-Packard Development Company, L.P. Änderung von audiosignalen auf der basis von durch lautsprecher gesammeltem umgebungsgeräusch
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
WO1986001362A1 (en) * 1984-08-03 1986-02-27 Motorola, Inc. Piezoelectric loudspeaker having a feedback transducer
DE3429147C2 (de) * 1984-08-08 1987-04-02 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
JP3034952B2 (ja) * 1990-08-04 2000-04-17 イギリス国 パネル形スピーカ

Also Published As

Publication number Publication date
CA2230701A1 (en) 1997-03-13
AU703065B2 (en) 1999-03-11
EA000929B1 (ru) 2000-06-26
DE69601647D1 (de) 1999-04-08
AU6881996A (en) 1997-03-27
CN1195459A (zh) 1998-10-07
ATE177281T1 (de) 1999-03-15
HK1008650A1 (en) 1999-05-14
EP0847666B1 (de) 1999-03-03
JPH11512258A (ja) 1999-10-19
EP0847666A1 (de) 1998-06-17
WO1997009847A1 (en) 1997-03-13
DE69601647T2 (de) 1999-09-16
EA199800257A1 (ru) 1998-10-29
ES2131409T3 (es) 1999-07-16
DK0847666T3 (da) 1999-10-04

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