DE69839134T2 - Aktive akustische Vorrichtung - Google Patents

Aktive akustische Vorrichtung Download PDF

Info

Publication number
DE69839134T2
DE69839134T2 DE69839134T DE69839134T DE69839134T2 DE 69839134 T2 DE69839134 T2 DE 69839134T2 DE 69839134 T DE69839134 T DE 69839134T DE 69839134 T DE69839134 T DE 69839134T DE 69839134 T2 DE69839134 T2 DE 69839134T2
Authority
DE
Germany
Prior art keywords
panel
transducer
edge
panel element
acoustic
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
DE69839134T
Other languages
German (de)
English (en)
Other versions
DE69839134D1 (de
Inventor
Farad Azima
Henry Azima
Martin Colloms
Graham Bank
Nicholas Patrick Roland Hill
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 GBGB9801057.2A external-priority patent/GB9801057D0/en
Priority claimed from GBGB9801054.9A external-priority patent/GB9801054D0/en
Priority claimed from GBGB9811100.8A external-priority patent/GB9811100D0/en
Priority claimed from GBGB9813293.9A external-priority patent/GB9813293D0/en
Application filed by New Transducers Ltd filed Critical New Transducers Ltd
Publication of DE69839134D1 publication Critical patent/DE69839134D1/de
Application granted granted Critical
Publication of DE69839134T2 publication Critical patent/DE69839134T2/de
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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/26—Damping by means acting directly on free portion of diaphragm or cone
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
    • H04R2440/05—Aspects relating to the positioning and way or means of mounting of exciters to resonant bending wave panels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops

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)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
DE69839134T 1998-01-20 1999-01-15 Aktive akustische Vorrichtung Expired - Lifetime DE69839134T2 (de)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
GB9801054 1998-01-20
GBGB9801057.2A GB9801057D0 (en) 1998-01-20 1998-01-20 Acoustic panels
GBGB9801054.9A GB9801054D0 (en) 1998-01-20 1998-01-20 Acoustic panels
GB9801057 1998-01-20
GB9811100 1998-05-23
GBGB9811100.8A GB9811100D0 (en) 1998-05-23 1998-05-23 Acoustic panels
GBGB9813293.9A GB9813293D0 (en) 1998-06-20 1998-06-20 Acoustic panels
GB9813293 1998-06-20

Publications (2)

Publication Number Publication Date
DE69839134D1 DE69839134D1 (de) 2008-03-27
DE69839134T2 true DE69839134T2 (de) 2009-02-12

Family

ID=27451742

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69839134T Expired - Lifetime DE69839134T2 (de) 1998-01-20 1999-01-15 Aktive akustische Vorrichtung
DE69921295T Active DE69921295T8 (de) 1998-01-20 1999-01-15 Aktive akustische Vorrichtungen mit plattenförmigen Elementen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69921295T Active DE69921295T8 (de) 1998-01-20 1999-01-15 Aktive akustische Vorrichtungen mit plattenförmigen Elementen

Country Status (22)

Country Link
EP (2) EP1050190B1 (enExample)
JP (1) JP4173283B2 (enExample)
KR (1) KR100646191B1 (enExample)
CN (1) CN1287766B (enExample)
AR (1) AR014430A1 (enExample)
AT (1) ATE280482T1 (enExample)
AU (1) AU747693B2 (enExample)
BG (1) BG104543A (enExample)
BR (1) BR9907145A (enExample)
CA (1) CA2318292A1 (enExample)
DE (2) DE69839134T2 (enExample)
EA (1) EA200000781A1 (enExample)
HU (1) HUP0102858A3 (enExample)
IL (1) IL136820A0 (enExample)
NO (1) NO20003705L (enExample)
NZ (1) NZ504133A (enExample)
PL (1) PL341377A1 (enExample)
SK (1) SK10822000A3 (enExample)
TR (1) TR200002108T2 (enExample)
TW (1) TW432889B (enExample)
WO (1) WO1999037121A1 (enExample)
YU (1) YU36800A (enExample)

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US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US10701505B2 (en) 2006-02-07 2020-06-30 Bongiovi Acoustics Llc. System, method, and apparatus for generating and digitally processing a head related audio transfer function
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US9615189B2 (en) 2014-08-08 2017-04-04 Bongiovi Acoustics Llc Artificial ear apparatus and associated methods for generating a head related audio transfer function
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US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
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CN112956212B (zh) * 2018-10-13 2023-06-23 罗切斯特大学 用于振动结构的选择性模态控制的方法、系统和装置
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Also Published As

Publication number Publication date
AR014430A1 (es) 2001-02-28
EP1050190B1 (en) 2004-10-20
HK1029247A1 (en) 2001-03-23
CN1287766A (zh) 2001-03-14
PL341377A1 (en) 2001-04-09
IL136820A0 (en) 2001-06-14
AU747693B2 (en) 2002-05-16
DE69921295D1 (de) 2004-11-25
BR9907145A (pt) 2000-10-24
KR100646191B1 (ko) 2006-11-17
AU2068199A (en) 1999-08-02
HUP0102858A3 (en) 2003-03-28
SK10822000A3 (sk) 2000-12-11
EP1414266A2 (en) 2004-04-28
NO20003705L (no) 2000-09-20
DE69921295T2 (de) 2006-02-09
ATE280482T1 (de) 2004-11-15
YU36800A (sh) 2002-03-18
WO1999037121A1 (en) 1999-07-22
DE69921295T8 (de) 2006-07-06
EP1414266B1 (en) 2008-02-13
NZ504133A (en) 2002-03-28
NO20003705D0 (no) 2000-07-19
EP1050190A1 (en) 2000-11-08
JP2002510182A (ja) 2002-04-02
KR20010024874A (ko) 2001-03-26
TR200002108T2 (tr) 2000-11-21
JP4173283B2 (ja) 2008-10-29
TW432889B (en) 2001-05-01
DE69839134D1 (de) 2008-03-27
CN1287766B (zh) 2010-06-23
EA200000781A1 (ru) 2000-12-25
CA2318292A1 (en) 1999-07-22
HUP0102858A2 (hu) 2001-12-28
EP1414266A3 (en) 2006-08-16
BG104543A (bg) 2001-01-31

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