DK78681A - Retnings- og frekvensuafhaengig hoejttaler eller mikrofonsoejle eller hoejttaler eller mikronflade - Google Patents
Retnings- og frekvensuafhaengig hoejttaler eller mikrofonsoejle eller hoejttaler eller mikronfladeInfo
- Publication number
- DK78681A DK78681A DK78681A DK78681A DK78681A DK 78681 A DK78681 A DK 78681A DK 78681 A DK78681 A DK 78681A DK 78681 A DK78681 A DK 78681A DK 78681 A DK78681 A DK 78681A
- Authority
- DK
- Denmark
- Prior art keywords
- speakers
- microphone
- spees
- directory
- frequency dependent
- Prior art date
Links
- 230000001419 dependent effect Effects 0.000 title 1
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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
- Circuit For Audible Band Transducer (AREA)
- Stereophonic Arrangements (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8001119A NL8001119A (nl) | 1980-02-25 | 1980-02-25 | Richtingsonafhankelijk luidsprekerszuil- of vlak. |
NL8001119 | 1980-02-25 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK78681A true DK78681A (da) | 1981-08-26 |
DK153268B DK153268B (da) | 1988-06-27 |
DK153268C DK153268C (da) | 1988-11-21 |
Family
ID=19834883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK078681A DK153268C (da) | 1980-02-25 | 1981-02-20 | Retnings- og frekvensuafhaengig hoejttaler- eller mikrofonsoejle eller hoejttaler- eller mikrofonflade |
Country Status (10)
Country | Link |
---|---|
US (1) | US4399328A (da) |
EP (1) | EP0034844B1 (da) |
JP (1) | JPS56132897A (da) |
AT (1) | AT371968B (da) |
AU (1) | AU538843B2 (da) |
CA (1) | CA1163202A (da) |
DE (1) | DE3161198D1 (da) |
DK (1) | DK153268C (da) |
ES (1) | ES499704A0 (da) |
NL (1) | NL8001119A (da) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4521906A (en) * | 1983-03-28 | 1985-06-04 | Kahn Leonard R | Speaker systems for producing balanced stereo images at multiple locations |
US4940108A (en) * | 1989-02-24 | 1990-07-10 | Selby John L | Open line source speaker system |
NO168500C (no) * | 1989-06-28 | 1992-02-26 | Jo Nesje | Elektroakustisk transdusersystem til reproduksjon eller opptak av lyd. |
US5212733A (en) * | 1990-02-28 | 1993-05-18 | Voyager Sound, Inc. | Sound mixing device |
US5119422A (en) * | 1990-10-01 | 1992-06-02 | Price David A | Optimal sonic separator and multi-channel forward imaging system |
JPH0541897A (ja) * | 1991-08-07 | 1993-02-19 | Pioneer Electron Corp | スピーカ装置およびその指向性制御方法 |
FR2692425B1 (fr) * | 1992-06-12 | 1997-04-25 | Alain Azoulay | Dispositif de reproduction sonore par multiamplification active. |
US5309518A (en) * | 1992-10-15 | 1994-05-03 | Bose Corporation | Multiple driver electroacoustical transducing |
US5610986A (en) * | 1994-03-07 | 1997-03-11 | Miles; Michael T. | Linear-matrix audio-imaging system and image analyzer |
EP0700620B1 (en) * | 1994-03-24 | 2001-10-17 | Koninklijke Philips Electronics N.V. | Audio-visual arrangement and system in which such an arrangement is used |
US5802190A (en) * | 1994-11-04 | 1998-09-01 | The Walt Disney Company | Linear speaker array |
DE19739425A1 (de) | 1997-09-09 | 1999-03-11 | Bosch Gmbh Robert | Verfahren und Anordnung zur Wiedergabe eines sterophonen Audiosignals |
CN100358393C (zh) * | 1999-09-29 | 2007-12-26 | 1...有限公司 | 定向声音的方法和设备 |
NL1016172C2 (nl) * | 2000-09-13 | 2002-03-15 | Johan Van Der Werff | Een stelsel van geluidstransducenten met regelbare richteigenschappen. |
WO2002078388A2 (en) * | 2001-03-27 | 2002-10-03 | 1... Limited | Method and apparatus to create a sound field |
DE60228529D1 (de) * | 2001-07-30 | 2008-10-09 | Matsushita Electric Ind Co Ltd | Schallwiedergabeeinrichtung |
GB0203895D0 (en) * | 2002-02-19 | 2002-04-03 | 1 Ltd | Compact surround-sound system |
GB0301093D0 (en) * | 2003-01-17 | 2003-02-19 | 1 Ltd | Set-up method for array-type sound systems |
GB0304126D0 (en) * | 2003-02-24 | 2003-03-26 | 1 Ltd | Sound beam loudspeaker system |
US7206427B2 (en) * | 2003-04-22 | 2007-04-17 | Hpv Technologies Llc | Flat panel surface array |
JP4214834B2 (ja) * | 2003-05-09 | 2009-01-28 | ヤマハ株式会社 | アレースピーカーシステム |
JP4007255B2 (ja) | 2003-06-02 | 2007-11-14 | ヤマハ株式会社 | アレースピーカーシステム |
JP3876850B2 (ja) | 2003-06-02 | 2007-02-07 | ヤマハ株式会社 | アレースピーカーシステム |
GB0321676D0 (en) * | 2003-09-16 | 2003-10-15 | 1 Ltd | Digital loudspeaker |
GB0415626D0 (en) * | 2004-07-13 | 2004-08-18 | 1 Ltd | Directional microphone |
GB0415625D0 (en) * | 2004-07-13 | 2004-08-18 | 1 Ltd | Miniature surround-sound loudspeaker |
US20060159288A1 (en) * | 2004-07-20 | 2006-07-20 | Stiles Enrique M | Bessel dipole loudspeaker |
US20060159287A1 (en) * | 2004-07-20 | 2006-07-20 | Stiles Enrique M | MTM of bessels loudspeaker |
US20070263894A1 (en) * | 2004-07-20 | 2007-11-15 | Step Technologies Inc. | Bessel line source array |
US20060182298A1 (en) * | 2004-07-20 | 2006-08-17 | Stiles Enrique M | Bessel soundbar |
US20060159286A1 (en) * | 2004-07-20 | 2006-07-20 | Stiles Enrique M | Bessel array with non-empty null positions |
US20060159289A1 (en) * | 2004-07-20 | 2006-07-20 | Stiles Enrique M | Bessel array with full amplitude signal to half amplitude position transducers |
GB2431314B (en) * | 2004-08-10 | 2008-12-24 | 1 Ltd | Non-planar transducer arrays |
GB0514361D0 (en) * | 2005-07-12 | 2005-08-17 | 1 Ltd | Compact surround sound effects system |
TW200818964A (en) | 2006-07-13 | 2008-04-16 | Pss Belgium Nv | A loudspeaker system having at least two loudspeaker devices and a unit for processing an audio content signal |
WO2008110199A1 (en) * | 2007-03-09 | 2008-09-18 | Robert Bosch Gmbh | Loudspeaker apparatus for radiating acoustic waves in a hemisphere |
JP2008258968A (ja) * | 2007-04-05 | 2008-10-23 | Mitsubishi Electric Engineering Co Ltd | アレイスピーカ |
US20090103753A1 (en) | 2007-10-19 | 2009-04-23 | Weistech Technology Co., Ltd | Three-dimension array structure of surround-sound speaker |
DE102009010278B4 (de) | 2009-02-16 | 2018-12-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Lautsprecher |
CN102361501B (zh) * | 2011-08-24 | 2014-04-02 | 无锡杰夫电声有限公司 | 多点激励扬声器阵列 |
DE102014208256B4 (de) | 2014-04-30 | 2016-03-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Array aus elektroakustischen Aktuoren und Verfahren zum Herstellen eines Arrays |
US10397692B2 (en) | 2017-03-08 | 2019-08-27 | Thomas A. Janes | Multi-driver array audio speaker system |
EP4340390A1 (en) * | 2022-09-13 | 2024-03-20 | Pascal A/S | A constant beamwidth loudspeaker |
WO2024032976A1 (en) * | 2022-08-10 | 2024-02-15 | Pascal A/S | A constant beamwidth loudspeaker |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB817899A (en) * | 1956-03-12 | 1959-08-06 | Pamphonic Rerpoducers Ltd | Improvements in loudspeaking apparatus |
GB695912A (en) * | 1948-10-01 | 1953-08-19 | Telefunken Gmbh | Improvements in or relating to public address and like sound disseminating systems |
NL221726A (da) * | 1957-10-18 | |||
GB1456790A (en) * | 1975-02-13 | 1976-11-24 | Taylor P H | Sound radiating apparatus and systems |
DE2709256C3 (de) * | 1977-03-03 | 1980-11-06 | Heinrich Prof. Dr. 5100 Aachen Kuttruff | Elektroakustischer Schallsender mit allseitiger Schallabstrahlung |
NL171854C (nl) * | 1977-07-26 | 1983-05-16 | Philips Nv | Luidsprekercombinatie, bestaande uit een aantal groepen dynamische luidsprekers, welke in nagenoeg een continu vlak naast elkaar zijn opgesteld. |
JPS5442102A (en) * | 1977-09-10 | 1979-04-03 | Victor Co Of Japan Ltd | Stereo reproduction system |
-
1980
- 1980-02-25 NL NL8001119A patent/NL8001119A/nl not_active Application Discontinuation
-
1981
- 1981-02-02 DE DE8181200118T patent/DE3161198D1/de not_active Expired
- 1981-02-02 EP EP81200118A patent/EP0034844B1/en not_active Expired
- 1981-02-19 CA CA000371256A patent/CA1163202A/en not_active Expired
- 1981-02-20 DK DK078681A patent/DK153268C/da not_active IP Right Cessation
- 1981-02-23 JP JP2534381A patent/JPS56132897A/ja active Granted
- 1981-02-23 ES ES499704A patent/ES499704A0/es active Granted
- 1981-02-23 US US06/237,303 patent/US4399328A/en not_active Expired - Lifetime
- 1981-02-24 AU AU67576/81A patent/AU538843B2/en not_active Ceased
- 1981-02-24 AT AT0084881A patent/AT371968B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATA84881A (de) | 1982-12-15 |
ES8201387A1 (es) | 1981-12-01 |
AU538843B2 (en) | 1984-08-30 |
AT371968B (de) | 1983-08-25 |
NL8001119A (nl) | 1981-09-16 |
EP0034844B1 (en) | 1983-10-19 |
AU6757681A (en) | 1981-09-03 |
DK153268B (da) | 1988-06-27 |
DK153268C (da) | 1988-11-21 |
JPH0125480B2 (da) | 1989-05-17 |
US4399328A (en) | 1983-08-16 |
CA1163202A (en) | 1984-03-06 |
EP0034844A1 (en) | 1981-09-02 |
ES499704A0 (es) | 1981-12-01 |
DE3161198D1 (en) | 1983-11-24 |
JPS56132897A (en) | 1981-10-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |