DE69401593D1 - SPEAKER - Google Patents

SPEAKER

Info

Publication number
DE69401593D1
DE69401593D1 DE69401593T DE69401593T DE69401593D1 DE 69401593 D1 DE69401593 D1 DE 69401593D1 DE 69401593 T DE69401593 T DE 69401593T DE 69401593 T DE69401593 T DE 69401593T DE 69401593 D1 DE69401593 D1 DE 69401593D1
Authority
DE
Germany
Prior art keywords
speaker
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 - Fee Related
Application number
DE69401593T
Other languages
German (de)
Other versions
DE69401593T2 (en
Inventor
Henry Azima
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.)
CENTRALFORCE Ltd
Original Assignee
CENTRALFORCE 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 CENTRALFORCE Ltd filed Critical CENTRALFORCE Ltd
Application granted granted Critical
Publication of DE69401593D1 publication Critical patent/DE69401593D1/en
Publication of DE69401593T2 publication Critical patent/DE69401593T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
DE69401593T 1993-08-20 1994-08-08 SPEAKER Expired - Fee Related DE69401593T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939317345A GB9317345D0 (en) 1993-08-20 1993-08-20 Loudspeaker
PCT/GB1994/001734 WO1995006397A1 (en) 1993-08-20 1994-08-08 Loudspeaker

Publications (2)

Publication Number Publication Date
DE69401593D1 true DE69401593D1 (en) 1997-03-06
DE69401593T2 DE69401593T2 (en) 1997-05-15

Family

ID=10740791

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69401593T Expired - Fee Related DE69401593T2 (en) 1993-08-20 1994-08-08 SPEAKER

Country Status (9)

Country Link
EP (1) EP0714590B1 (en)
CN (1) CN1129510A (en)
AU (1) AU7272694A (en)
CA (1) CA2165327A1 (en)
DE (1) DE69401593T2 (en)
DK (1) DK0714590T3 (en)
GB (1) GB9317345D0 (en)
HK (1) HK1000991A1 (en)
WO (1) WO1995006397A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5822443A (en) * 1996-04-22 1998-10-13 Samsung Electronics Co., Ltd. Speaker system for a television
GB2351868B (en) 1998-06-22 2001-08-29 Slab Technology Ltd Loudspeakers
JP2014078935A (en) * 2012-09-18 2014-05-01 Yamaha Corp Speaker device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2417909A1 (en) * 1978-02-17 1979-09-14 Thaille Jean Louis ACOUSTIC PRESSURE (OR CHARGE) REGULATOR
US4214645A (en) * 1978-11-09 1980-07-29 Avid Corporation Method of and means for loudspeaker sound wave distribution
JPS5910867Y2 (en) * 1980-01-07 1984-04-04 パイオニア株式会社 Car speaker unit
DE3201455C2 (en) * 1982-01-19 1985-09-19 Dieter 7447 Aichtal Wagner Speaker box
IT1187062B (en) * 1985-09-02 1987-12-16 S I P E Soc Italiana Prodotti MULTIPLE SPEAKER, WITH PIEZOELECTRIC "TWEETER" SUPPORTED WITH MEANS THAT ALLOW THE EXPLOITATION OF THE MEMBRANE OF THE MAIN SPEAKER AS THE REFLECTIVE SURFACE OF THE RADIATION EMITTED REAR FROM THE CERAMIC DISC AND THE "TWE" MEMBRET
FR2609853B1 (en) * 1987-04-23 1989-04-21 Pillerault Clement Eloise HIGH FIDELITY ELECTROACOUSTIC POWER TRANSDUCER WITH STAGE DIFFUSION SYSTEM

Also Published As

Publication number Publication date
AU7272694A (en) 1995-03-21
DE69401593T2 (en) 1997-05-15
WO1995006397A1 (en) 1995-03-02
HK1000991A1 (en) 1998-05-15
EP0714590B1 (en) 1997-01-22
EP0714590A1 (en) 1996-06-05
CA2165327A1 (en) 1995-03-02
DK0714590T3 (en) 1997-08-04
CN1129510A (en) 1996-08-21
GB9317345D0 (en) 1993-10-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee