BR0107714A - Transdutor - Google Patents

Transdutor

Info

Publication number
BR0107714A
BR0107714A BR0107714-7A BR0107714A BR0107714A BR 0107714 A BR0107714 A BR 0107714A BR 0107714 A BR0107714 A BR 0107714A BR 0107714 A BR0107714 A BR 0107714A
Authority
BR
Brazil
Prior art keywords
transducer
produce
frequency range
operating frequency
resonant element
Prior art date
Application number
BR0107714-7A
Other languages
English (en)
Inventor
Neil Harris
Graham Bank
Martin Colloms
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 GB0001492A external-priority patent/GB0001492D0/en
Priority claimed from GB0009705A external-priority patent/GB0009705D0/en
Priority claimed from GB0011602A external-priority patent/GB0011602D0/en
Application filed by New Transducers Ltd filed Critical New Transducers Ltd
Publication of BR0107714A publication Critical patent/BR0107714A/pt

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
    • H04R15/00—Magnetostrictive transducers
    • H04R15/02—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency
    • 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
    • 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
    • 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
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles

Abstract

"TRANSDUTOR". Descreve-se um transdutor (14) para produzir uma força que excita um radiador acústico, como por exemplo, um painel (12), para produzir uma saída acústica. O transdutor (14) tem uma faixa de freq³ências operacionais pretendida e compreende um elemento ressonante que tem uma distribuição de modos, e que é modal na faixa de freq³ências operacionais. Os parâmetros do transdutor (14) podem ser ajustados para melhorar a modalidade do elemento ressonante. Um alto-falante (10) ou um microfone pode incorporar o transdutor.
BR0107714-7A 2000-01-24 2001-01-22 Transdutor BR0107714A (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0001492A GB0001492D0 (en) 2000-01-24 2000-01-24 Panel form loudspeaker
GB0009705A GB0009705D0 (en) 2000-04-20 2000-04-20 Modal actuator
GB0011602A GB0011602D0 (en) 2000-05-15 2000-05-15 Actuator
PCT/GB2001/000212 WO2001054450A2 (en) 2000-01-24 2001-01-22 Transducer in particularly for use in acoustic devices

Publications (1)

Publication Number Publication Date
BR0107714A true BR0107714A (pt) 2002-11-19

Family

ID=27255491

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0107714-7A BR0107714A (pt) 2000-01-24 2001-01-22 Transdutor

Country Status (27)

Country Link
US (2) US7149318B2 (pt)
EP (1) EP1250827B1 (pt)
JP (1) JP4768949B2 (pt)
KR (1) KR100777888B1 (pt)
CN (1) CN100474942C (pt)
AR (1) AR027269A1 (pt)
AT (1) ATE251375T1 (pt)
AU (1) AU777769B2 (pt)
BR (1) BR0107714A (pt)
CA (1) CA2395022A1 (pt)
CZ (1) CZ20022498A3 (pt)
DE (1) DE60100886T2 (pt)
DK (1) DK1250827T3 (pt)
ES (1) ES2208608T3 (pt)
HK (1) HK1046614B (pt)
HU (1) HUP0204160A3 (pt)
IL (1) IL150500A0 (pt)
MX (1) MXPA02007166A (pt)
MY (1) MY125969A (pt)
NZ (1) NZ519383A (pt)
PE (1) PE20011072A1 (pt)
PL (1) PL356336A1 (pt)
RU (1) RU2002122756A (pt)
TR (1) TR200302018T4 (pt)
TW (1) TW511391B (pt)
UY (1) UY26553A1 (pt)
WO (1) WO2001054450A2 (pt)

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JP2003529976A (ja) * 2000-01-07 2003-10-07 アサナス ルイス 機械−音響変換機及びマルチメディアフラットフィルムスピーカー
TW511391B (en) 2000-01-24 2002-11-21 New Transducers Ltd Transducer
US7151837B2 (en) * 2000-01-27 2006-12-19 New Transducers Limited Loudspeaker
US6865277B2 (en) * 2000-01-27 2005-03-08 New Transducers Limited Passenger vehicle
US7039206B2 (en) * 2001-06-28 2006-05-02 Nokia Corporation Dual diaphragm speaker

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HK1046614A1 (en) 2003-01-17
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WO2001054450A3 (en) 2002-04-25
TR200302018T4 (tr) 2004-01-21
CN1394457A (zh) 2003-01-29
CA2395022A1 (en) 2001-07-26
AU777769B2 (en) 2004-10-28
DK1250827T3 (da) 2004-02-09
US20010033669A1 (en) 2001-10-25
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IL150500A0 (en) 2002-12-01
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MXPA02007166A (es) 2003-01-28
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US7684576B2 (en) 2010-03-23
DE60100886D1 (de) 2003-11-06
RU2002122756A (ru) 2004-03-20
CN100474942C (zh) 2009-04-01
WO2001054450A2 (en) 2001-07-26
AU2863101A (en) 2001-07-31
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MY125969A (en) 2006-09-29
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US7149318B2 (en) 2006-12-12
HUP0204160A2 (hu) 2003-03-28
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US20070086616A1 (en) 2007-04-19
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