YU36800A - Aktivni akustični uređaj sa membranama - Google Patents

Aktivni akustični uređaj sa membranama

Info

Publication number
YU36800A
YU36800A YU36800A YU36800A YU36800A YU 36800 A YU36800 A YU 36800A YU 36800 A YU36800 A YU 36800A YU 36800 A YU36800 A YU 36800A YU 36800 A YU36800 A YU 36800A
Authority
YU
Yugoslavia
Prior art keywords
acoustic
transducer means
panel members
active
acoustic device
Prior art date
Application number
YU36800A
Other languages
English (en)
Inventor
Farad Azima
Henry Azima
Martin Colloms
Graham Bank
Nicholas Patrick Roland Hill
Original Assignee
New Transducers Limited
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 GBGB9801054.9A external-priority patent/GB9801054D0/en
Priority claimed from GBGB9801057.2A external-priority patent/GB9801057D0/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 Limited filed Critical New Transducers Limited
Publication of YU36800A publication Critical patent/YU36800A/sh

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
    • H04R7/26—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; 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
    • 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; DEAF-AID SETS; 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)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

Aktivni akustični uređaj sastoji se iz membrane (11) koja ima raspodelu rezonantnih modova delovanja savojnih talasa, koji određuju akustične performanse zajedno sa pretvaračima (31-34). Pretvarači (31-34) su spojeni za membranu (11) na marginalnim pozicijama. Postavljanje se vrši tako da rezultira prihvatljivim akustičnim delovanje, zavisno od navedene raspodele navedenih aktivnih rezonantnih modova. Metode izbora položaja pretvarača ili metode poboljšavanja položaja lokalizovanog marginalnog spajanja, odnose se na preporuku najbolje ili bolje međusobne interakcije navedenih pretvarača (31-34) i membrane (11) na osnovu parametara akustičkog izlaza uređaja, kao akustičnog izvora.[Active acoustic device comprises a panel member (11) having distribution of resonant modes of bending wave action determining acoustic performance in conjunction with transducer means (31-34). The transducer means (31-34) is coupled to the panel member (11) at a marginal position. The arrangement is such as to result in acoustically acceptable action dependent on said distribution of active said resonant modes. Methods of selecting the transducer location, or improvement by location of localised marginal clamping, rely on assessing best or better operative interaction of said transducer means (31-34) and the panel members (11) according to parameters of acoustic output for the device as an acoustic radiator.
YU36800A 1998-01-20 1999-01-15 Aktivni akustični uređaj sa membranama YU36800A (sh)

Applications Claiming Priority (4)

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

Publications (1)

Publication Number Publication Date
YU36800A true YU36800A (sh) 2002-03-18

Family

ID=27451742

Family Applications (1)

Application Number Title Priority Date Filing Date
YU36800A YU36800A (sh) 1998-01-20 1999-01-15 Aktivni akustični uređaj sa membranama

Country Status (23)

Country Link
EP (2) EP1050190B1 (sh)
JP (1) JP4173283B2 (sh)
KR (1) KR100646191B1 (sh)
CN (1) CN1287766B (sh)
AR (1) AR014430A1 (sh)
AT (1) ATE280482T1 (sh)
AU (1) AU747693B2 (sh)
BG (1) BG104543A (sh)
BR (1) BR9907145A (sh)
CA (1) CA2318292A1 (sh)
DE (2) DE69921295T8 (sh)
EA (1) EA200000781A1 (sh)
HK (1) HK1029247A1 (sh)
HU (1) HUP0102858A3 (sh)
IL (1) IL136820A0 (sh)
NO (1) NO20003705L (sh)
NZ (1) NZ504133A (sh)
PL (1) PL341377A1 (sh)
SK (1) SK10822000A3 (sh)
TR (1) TR200002108T2 (sh)
TW (1) TW432889B (sh)
WO (1) WO1999037121A1 (sh)
YU (1) YU36800A (sh)

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Also Published As

Publication number Publication date
CN1287766A (zh) 2001-03-14
DE69921295T8 (de) 2006-07-06
DE69839134T2 (de) 2009-02-12
DE69921295D1 (de) 2004-11-25
KR100646191B1 (ko) 2006-11-17
JP2002510182A (ja) 2002-04-02
WO1999037121A1 (en) 1999-07-22
AR014430A1 (es) 2001-02-28
BG104543A (bg) 2001-01-31
AU2068199A (en) 1999-08-02
KR20010024874A (ko) 2001-03-26
TR200002108T2 (tr) 2000-11-21
JP4173283B2 (ja) 2008-10-29
TW432889B (en) 2001-05-01
PL341377A1 (en) 2001-04-09
EP1414266B1 (en) 2008-02-13
ATE280482T1 (de) 2004-11-15
HUP0102858A3 (en) 2003-03-28
CN1287766B (zh) 2010-06-23
EA200000781A1 (ru) 2000-12-25
NO20003705L (no) 2000-09-20
EP1050190A1 (en) 2000-11-08
HUP0102858A2 (hu) 2001-12-28
BR9907145A (pt) 2000-10-24
DE69921295T2 (de) 2006-02-09
EP1414266A3 (en) 2006-08-16
DE69839134D1 (de) 2008-03-27
AU747693B2 (en) 2002-05-16
EP1050190B1 (en) 2004-10-20
IL136820A0 (en) 2001-06-14
NZ504133A (en) 2002-03-28
HK1029247A1 (en) 2001-03-23
EP1414266A2 (en) 2004-04-28
SK10822000A3 (sk) 2000-12-11
NO20003705D0 (no) 2000-07-19
CA2318292A1 (en) 1999-07-22

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