NL9401860A - Luidsprekersysteem met bestuurde richtinggevoeligheid. - Google Patents

Luidsprekersysteem met bestuurde richtinggevoeligheid. Download PDF

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Publication number
NL9401860A
NL9401860A NL9401860A NL9401860A NL9401860A NL 9401860 A NL9401860 A NL 9401860A NL 9401860 A NL9401860 A NL 9401860A NL 9401860 A NL9401860 A NL 9401860A NL 9401860 A NL9401860 A NL 9401860A
Authority
NL
Netherlands
Prior art keywords
loudspeakers
spi
loudspeaker system
filters
loudspeaker
Prior art date
Application number
NL9401860A
Other languages
English (en)
Dutch (nl)
Inventor
Gerard Hendrik Joseph De Vries
Original Assignee
Duran Bv
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
Application filed by Duran Bv filed Critical Duran Bv
Priority to NL9401860A priority Critical patent/NL9401860A/nl
Priority to DE69507896T priority patent/DE69507896T2/de
Priority to PCT/NL1995/000384 priority patent/WO1996014723A1/en
Priority to AT95938056T priority patent/ATE176843T1/de
Priority to AU38826/95A priority patent/AU3882695A/en
Priority to DK95938056T priority patent/DK0791279T3/da
Priority to US08/836,997 priority patent/US6128395A/en
Priority to ES95938056T priority patent/ES2127570T3/es
Priority to EP95938056A priority patent/EP0791279B1/de
Priority to JP51521296A priority patent/JP3274470B2/ja
Publication of NL9401860A publication Critical patent/NL9401860A/nl
Priority to GR990400953T priority patent/GR3029864T3/el

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/401—2D or 3D arrays of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/405—Non-uniform arrays of transducers or a plurality of uniform arrays with different transducer spacing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Selective Calling Equipment (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
NL9401860A 1994-11-08 1994-11-08 Luidsprekersysteem met bestuurde richtinggevoeligheid. NL9401860A (nl)

Priority Applications (11)

Application Number Priority Date Filing Date Title
NL9401860A NL9401860A (nl) 1994-11-08 1994-11-08 Luidsprekersysteem met bestuurde richtinggevoeligheid.
DK95938056T DK0791279T3 (da) 1994-11-08 1995-11-08 Højttalersystem med styret retningsbestemt følsomhed
PCT/NL1995/000384 WO1996014723A1 (en) 1994-11-08 1995-11-08 Loudspeaker system with controlled directional sensitivity
AT95938056T ATE176843T1 (de) 1994-11-08 1995-11-08 Lautsprechervorrichtung mit gesteuerter richtungsempfindlichkeit
AU38826/95A AU3882695A (en) 1994-11-08 1995-11-08 Loudspeaker system with controlled directional sensitivity
DE69507896T DE69507896T2 (de) 1994-11-08 1995-11-08 Lautsprechervorrichtung mit gesteuerter richtungsempfindlichkeit
US08/836,997 US6128395A (en) 1994-11-08 1995-11-08 Loudspeaker system with controlled directional sensitivity
ES95938056T ES2127570T3 (es) 1994-11-08 1995-11-08 Sistema de altavoces con sensibilidad direccional controlada.
EP95938056A EP0791279B1 (de) 1994-11-08 1995-11-08 Lautsprechervorrichtung mit gesteuerter richtungsempfindlichkeit
JP51521296A JP3274470B2 (ja) 1994-11-08 1995-11-08 制御された指向性感度を有するスピーカシステム
GR990400953T GR3029864T3 (en) 1994-11-08 1999-04-05 Loudspeaker system with controlled directional sensitivity

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9401860A NL9401860A (nl) 1994-11-08 1994-11-08 Luidsprekersysteem met bestuurde richtinggevoeligheid.
NL9401860 1994-11-08

Publications (1)

Publication Number Publication Date
NL9401860A true NL9401860A (nl) 1996-06-03

Family

ID=19864875

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9401860A NL9401860A (nl) 1994-11-08 1994-11-08 Luidsprekersysteem met bestuurde richtinggevoeligheid.

Country Status (11)

Country Link
US (1) US6128395A (de)
EP (1) EP0791279B1 (de)
JP (1) JP3274470B2 (de)
AT (1) ATE176843T1 (de)
AU (1) AU3882695A (de)
DE (1) DE69507896T2 (de)
DK (1) DK0791279T3 (de)
ES (1) ES2127570T3 (de)
GR (1) GR3029864T3 (de)
NL (1) NL9401860A (de)
WO (1) WO1996014723A1 (de)

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Also Published As

Publication number Publication date
EP0791279B1 (de) 1999-02-17
JPH09512159A (ja) 1997-12-02
ES2127570T3 (es) 1999-04-16
EP0791279A1 (de) 1997-08-27
ATE176843T1 (de) 1999-03-15
GR3029864T3 (en) 1999-07-30
US6128395A (en) 2000-10-03
DE69507896T2 (de) 1999-08-26
WO1996014723A1 (en) 1996-05-17
DK0791279T3 (da) 1999-05-10
AU3882695A (en) 1996-05-31
DE69507896D1 (de) 1999-03-25
JP3274470B2 (ja) 2002-04-15

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