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GB0103738D0 - Loudspeakers - Google Patents

Loudspeakers

Info

Publication number
GB0103738D0
GB0103738D0 GB0103738A GB0103738A GB0103738D0 GB 0103738 D0 GB0103738 D0 GB 0103738D0 GB 0103738 A GB0103738 A GB 0103738A GB 0103738 A GB0103738 A GB 0103738A GB 0103738 D0 GB0103738 D0 GB 0103738D0
Authority
GB
United Kingdom
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Withdrawn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
GB0103738A
Other versions
GB2364611A (en
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.)
NVF Tech Ltd
Original Assignee
New Transducers 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 New Transducers Ltd filed Critical New Transducers Ltd
Publication of GB0103738D0 publication Critical patent/GB0103738D0/en
Publication of GB2364611A publication Critical patent/GB2364611A/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Withdrawn legal-status Critical Current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
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion

Landscapes

  • Health & Medical Sciences (AREA)
  • General 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)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
GB0103738A 2000-02-18 2001-02-15 Measuring and optimising diffusivity of acoustic output of loudspeakers Withdrawn GB2364611A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0003883A GB0003883D0 (en) 2000-02-18 2000-02-18 Loudspeakers

Publications (2)

Publication Number Publication Date
GB0103738D0 true GB0103738D0 (en) 2001-04-04
GB2364611A GB2364611A (en) 2002-01-30

Family

ID=9885971

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0003883A Ceased GB0003883D0 (en) 2000-02-18 2000-02-18 Loudspeakers
GB0103738A Withdrawn GB2364611A (en) 2000-02-18 2001-02-15 Measuring and optimising diffusivity of acoustic output of loudspeakers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0003883A Ceased GB0003883D0 (en) 2000-02-18 2000-02-18 Loudspeakers

Country Status (3)

Country Link
AU (1) AU2001232042A1 (en)
GB (2) GB0003883D0 (en)
WO (1) WO2001062039A2 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB647064A (en) * 1947-10-01 1950-12-06 Charles Walter Miller Improvements relating to apparatus for plotting the directional characteristics of wave propagating and/or receiving devices, such as radio aerials
US4130023A (en) * 1977-12-27 1978-12-19 Altec Corporation Method and apparatus for testing and evaluating loudspeaker performance
UA51671C2 (en) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Acoustic device
AU1816599A (en) * 1998-01-07 1999-07-26 Nct Group, Inc. Thin loudspeaker

Also Published As

Publication number Publication date
GB2364611A (en) 2002-01-30
GB0003883D0 (en) 2000-04-05
AU2001232042A1 (en) 2001-08-27
WO2001062039A2 (en) 2001-08-23
WO2001062039A3 (en) 2002-06-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)