EP0565369A3 - Loudspeakers - Google Patents

Loudspeakers Download PDF

Info

Publication number
EP0565369A3
EP0565369A3 EP19930302752 EP93302752A EP0565369A3 EP 0565369 A3 EP0565369 A3 EP 0565369A3 EP 19930302752 EP19930302752 EP 19930302752 EP 93302752 A EP93302752 A EP 93302752A EP 0565369 A3 EP0565369 A3 EP 0565369A3
Authority
EP
European Patent Office
Prior art keywords
loudspeakers
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.)
Withdrawn
Application number
EP19930302752
Other versions
EP0565369A2 (en
Inventor
Martin Roberts
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.)
CELESTION INTERNATIONAL Ltd
CELESTION INT Ltd
Original Assignee
CELESTION INTERNATIONAL Ltd
CELESTION INT 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
Application filed by CELESTION INTERNATIONAL Ltd, CELESTION INT Ltd filed Critical CELESTION INTERNATIONAL Ltd
Publication of EP0565369A2 publication Critical patent/EP0565369A2/en
Publication of EP0565369A3 publication Critical patent/EP0565369A3/en
Withdrawn legal-status Critical Current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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
    • H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line for loudspeaker transducers
    • 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
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
EP19930302752 1992-04-10 1993-04-07 Loudspeakers Withdrawn EP0565369A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9207882 1992-04-10
GB929207882A GB9207882D0 (en) 1992-04-10 1992-04-10 Loudspeakers

Publications (2)

Publication Number Publication Date
EP0565369A2 EP0565369A2 (en) 1993-10-13
EP0565369A3 true EP0565369A3 (en) 1994-05-11

Family

ID=10713796

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930302752 Withdrawn EP0565369A3 (en) 1992-04-10 1993-04-07 Loudspeakers

Country Status (5)

Country Link
EP (1) EP0565369A3 (en)
JP (1) JPH0654392A (en)
CN (1) CN1081057A (en)
CA (1) CA2093705A1 (en)
GB (1) GB9207882D0 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9317850D0 (en) * 1993-08-27 1993-10-13 British Broadcasting Corp Loudspeakers
GB9407221D0 (en) * 1994-04-12 1994-06-08 Hilpus Indrek A loudspeaker
GB2365250C (en) 2000-07-21 2005-04-04 B & W Loudspeakers Acoustic structures
JP4337078B2 (en) * 2001-04-23 2009-09-30 日本電気株式会社 Speaker device
US7207413B2 (en) * 2003-06-02 2007-04-24 Tbi Audio Systems Llc Closed loop embedded audio transmission line technology for loudspeaker enclosures and systems
FR2889021B1 (en) * 2005-07-22 2007-09-28 Menuiserie Georges Girault HIGH PERFORMANCE ACOUSTIC SPEAKER
US20130170689A1 (en) * 2011-07-25 2013-07-04 Dr. G Licensing, Llc Ultra-Low Profile Loudspeakers
GB2509711A (en) * 2013-01-09 2014-07-16 Pss Belgium Nv Selective or frequency-dependent acoustic damping
CN103220608B (en) 2013-04-16 2016-08-24 歌尔声学股份有限公司 Speaker module
KR20220138666A (en) * 2021-04-06 2022-10-13 삼성전자주식회사 Electronic device including speaker module

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3687220A (en) * 1970-07-06 1972-08-29 Admiral Corp Multiple speaker enclosure with single tuning
US4224469A (en) * 1979-01-02 1980-09-23 Karson Theodore R Stereo speaker system
US4301889A (en) * 1979-07-27 1981-11-24 Tralonga David V Speaker enclosure
US4942939A (en) * 1989-05-18 1990-07-24 Harrison Stanley N Speaker system with folded audio transmission passage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2653377B2 (en) * 1987-06-16 1997-09-17 松下電器産業株式会社 Speaker system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3687220A (en) * 1970-07-06 1972-08-29 Admiral Corp Multiple speaker enclosure with single tuning
US4224469A (en) * 1979-01-02 1980-09-23 Karson Theodore R Stereo speaker system
US4301889A (en) * 1979-07-27 1981-11-24 Tralonga David V Speaker enclosure
US4942939A (en) * 1989-05-18 1990-07-24 Harrison Stanley N Speaker system with folded audio transmission passage

Also Published As

Publication number Publication date
GB9207882D0 (en) 1992-05-27
CA2093705A1 (en) 1993-10-11
CN1081057A (en) 1994-01-19
JPH0654392A (en) 1994-02-25
EP0565369A2 (en) 1993-10-13

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Effective date: 19971101