DE69507896T2 - Lautsprechervorrichtung mit gesteuerter richtungsempfindlichkeit - Google Patents

Lautsprechervorrichtung mit gesteuerter richtungsempfindlichkeit

Info

Publication number
DE69507896T2
DE69507896T2 DE69507896T DE69507896T DE69507896T2 DE 69507896 T2 DE69507896 T2 DE 69507896T2 DE 69507896 T DE69507896 T DE 69507896T DE 69507896 T DE69507896 T DE 69507896T DE 69507896 T2 DE69507896 T2 DE 69507896T2
Authority
DE
Germany
Prior art keywords
pct
loudspeakers
spi
date
speaker device
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
DE69507896T
Other languages
English (en)
Other versions
DE69507896D1 (de
Inventor
Vries Gerard De
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.)
Duran BV
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
Application granted granted Critical
Publication of DE69507896D1 publication Critical patent/DE69507896D1/de
Publication of DE69507896T2 publication Critical patent/DE69507896T2/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; DEAF-AID SETS; 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; DEAF-AID SETS; 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; DEAF-AID SETS; 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; DEAF-AID SETS; 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)
DE69507896T 1994-11-08 1995-11-08 Lautsprechervorrichtung mit gesteuerter richtungsempfindlichkeit Expired - Lifetime DE69507896T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9401860A NL9401860A (nl) 1994-11-08 1994-11-08 Luidsprekersysteem met bestuurde richtinggevoeligheid.
PCT/NL1995/000384 WO1996014723A1 (en) 1994-11-08 1995-11-08 Loudspeaker system with controlled directional sensitivity

Publications (2)

Publication Number Publication Date
DE69507896D1 DE69507896D1 (de) 1999-03-25
DE69507896T2 true DE69507896T2 (de) 1999-08-26

Family

ID=19864875

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69507896T Expired - Lifetime DE69507896T2 (de) 1994-11-08 1995-11-08 Lautsprechervorrichtung mit gesteuerter richtungsempfindlichkeit

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010091999A1 (de) 2009-02-16 2010-08-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Flachlautsprecher

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010091999A1 (de) 2009-02-16 2010-08-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Flachlautsprecher
DE102009010278A1 (de) * 2009-02-16 2010-08-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Lautsprecher
US9191734B2 (en) 2009-02-16 2015-11-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Loudspeaker
EP3197178A1 (de) 2009-02-16 2017-07-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Lautsprecher
DE102009010278B4 (de) 2009-02-16 2018-12-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Lautsprecher

Also Published As

Publication number Publication date
ATE176843T1 (de) 1999-03-15
WO1996014723A1 (en) 1996-05-17
JP3274470B2 (ja) 2002-04-15
EP0791279A1 (de) 1997-08-27
NL9401860A (nl) 1996-06-03
US6128395A (en) 2000-10-03
DK0791279T3 (da) 1999-05-10
ES2127570T3 (es) 1999-04-16
DE69507896D1 (de) 1999-03-25
AU3882695A (en) 1996-05-31
GR3029864T3 (en) 1999-07-30
JPH09512159A (ja) 1997-12-02
EP0791279B1 (de) 1999-02-17

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