[go: up one dir, main page]

DK117494A - Circular sound source - Google Patents

Circular sound source

Info

Publication number
DK117494A
DK117494A DK117494A DK117494A DK117494A DK 117494 A DK117494 A DK 117494A DK 117494 A DK117494 A DK 117494A DK 117494 A DK117494 A DK 117494A DK 117494 A DK117494 A DK 117494A
Authority
DK
Denmark
Prior art keywords
sound source
circular sound
circular
source
sound
Prior art date
Application number
DK117494A
Other languages
Danish (da)
Other versions
DK171338B1 (en
Inventor
Jean-Dominique Polack
Original Assignee
Brueel & Kjaer As
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 Brueel & Kjaer As filed Critical Brueel & Kjaer As
Priority to DK117494A priority Critical patent/DK171338B1/en
Priority to AU36044/95A priority patent/AU3604495A/en
Priority to PCT/DK1995/000399 priority patent/WO1996011558A1/en
Publication of DK117494A publication Critical patent/DK117494A/en
Application granted granted Critical
Publication of DK171338B1 publication Critical patent/DK171338B1/en

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
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
DK117494A 1994-10-10 1994-10-10 Circular sound source DK171338B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK117494A DK171338B1 (en) 1994-10-10 1994-10-10 Circular sound source
AU36044/95A AU3604495A (en) 1994-10-10 1995-10-06 Omnidirectional sound source
PCT/DK1995/000399 WO1996011558A1 (en) 1994-10-10 1995-10-06 Omnidirectional sound source

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK117494 1994-10-10
DK117494A DK171338B1 (en) 1994-10-10 1994-10-10 Circular sound source

Publications (2)

Publication Number Publication Date
DK117494A true DK117494A (en) 1996-04-11
DK171338B1 DK171338B1 (en) 1996-09-09

Family

ID=8101829

Family Applications (1)

Application Number Title Priority Date Filing Date
DK117494A DK171338B1 (en) 1994-10-10 1994-10-10 Circular sound source

Country Status (3)

Country Link
AU (1) AU3604495A (en)
DK (1) DK171338B1 (en)
WO (1) WO1996011558A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6771787B1 (en) * 1998-09-03 2004-08-03 Bose Corporation Waveguide electroacoustical transducing
FR2828784A1 (en) * 2001-08-17 2003-02-21 Etienne Bardier Loudspeaker homogeneous bass sound transmission having guide tube axially placed loudspeaker membrane with surface around tube with structure enclosure held.
KR20100121593A (en) * 2007-11-09 2010-11-18 코닌클리케 필립스 일렉트로닉스 엔.브이. Alert device and method
US8295526B2 (en) 2008-02-21 2012-10-23 Bose Corporation Low frequency enclosure for video display devices
US8351629B2 (en) 2008-02-21 2013-01-08 Robert Preston Parker Waveguide electroacoustical transducing
US8351630B2 (en) 2008-05-02 2013-01-08 Bose Corporation Passive directional acoustical radiating
US8265310B2 (en) 2010-03-03 2012-09-11 Bose Corporation Multi-element directional acoustic arrays
US8553894B2 (en) 2010-08-12 2013-10-08 Bose Corporation Active and passive directional acoustic radiating
CN102883252A (en) * 2011-07-14 2013-01-16 上海一诺仪表有限公司 Cone-shaped ultra-waveguide vibrator of ultrasonic transducer
US10057701B2 (en) 2015-03-31 2018-08-21 Bose Corporation Method of manufacturing a loudspeaker
US9451355B1 (en) 2015-03-31 2016-09-20 Bose Corporation Directional acoustic device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750838A (en) * 1971-11-29 1973-08-07 J Pyle Concrete resonant cone speaker system
US4206831A (en) * 1976-03-29 1980-06-10 Robert B. Welch Loudspeaker coupler
JPS61288597A (en) * 1985-06-15 1986-12-18 Boozu Kk Cabinet for speaker
US4991688A (en) * 1989-05-02 1991-02-12 Ervin Kery Audio speaker system
US5266752A (en) * 1992-12-14 1993-11-30 Cussans Rick C Reflex folded horn speaker enclosure

Also Published As

Publication number Publication date
DK171338B1 (en) 1996-09-09
AU3604495A (en) 1996-05-02
WO1996011558A1 (en) 1996-04-18

Similar Documents

Publication Publication Date Title
DE69525908D1 (en) Sound / Videosynchronisator
DE69714718D1 (en) ACOUSTIC SOURCE II
DE69713169D1 (en) ACOUSTIC SOURCE
DK117494A (en) Circular sound source
KR950031719U (en) Multicone speaker
NO944169L (en) Acoustic source device
DE59710651D1 (en) sound therapy
NO984585L (en) Acoustic Source II
KR960026245U (en) Speaker fixture
DE59509551D1 (en) speaker
KR950034653U (en) speaker
KR960039020U (en) Speaker fixture
KR960038962U (en) Speaker fixture
KR950016031U (en) Acoustic Listening Device
KR960003490U (en) Speaker case
KR970048441U (en) Speaker unit
KR970048449U (en) Speaker unit
KR960026244U (en) Speaker fixture
KR960003489U (en) Speaker fixture
KR950026117U (en) Speaker fixture
KR950034651U (en) Speaker unit
KR950034642U (en) Speaker unit
KR950024088U (en) Speaker unit
KR950034652U (en) Speaker unit
KR950031728U (en) Acoustic lighting

Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed

Country of ref document: DK