GB2360665B - Loudspeakers - Google Patents

Loudspeakers

Info

Publication number
GB2360665B
GB2360665B GB0114995A GB0114995A GB2360665B GB 2360665 B GB2360665 B GB 2360665B GB 0114995 A GB0114995 A GB 0114995A GB 0114995 A GB0114995 A GB 0114995A GB 2360665 B GB2360665 B GB 2360665B
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.)
Expired - Fee Related
Application number
GB0114995A
Other versions
GB0114995D0 (en
GB2360665A (en
Inventor
Christopher Colin Lock
John Frederick Corey
Graeme Oliver Jones
Kelly Charles Waterman
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.)
Slab Tech Ltd
Original Assignee
Slab Tech 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
Priority claimed from NZ330777A external-priority patent/NZ330777A/en
Application filed by Slab Tech Ltd filed Critical Slab Tech Ltd
Priority claimed from GB0024852A external-priority patent/GB2351868B/en
Publication of GB0114995D0 publication Critical patent/GB0114995D0/en
Publication of GB2360665A publication Critical patent/GB2360665A/en
Application granted granted Critical
Publication of GB2360665B publication Critical patent/GB2360665B/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/029—Diaphragms comprising fibres
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
    • H04R2440/01—Acoustic transducers using travelling bending waves to generate or detect sound

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB0114995A 1998-06-22 1999-06-18 Loudspeakers Expired - Fee Related GB2360665B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NZ330777A NZ330777A (en) 1998-06-22 1998-06-22 Loudspeaker with a planar diaphragm having a bending strength along one axis which is greater that along a second axis perpendicular to the first axis
NZ33232898 1998-10-13
NZ33383399 1999-01-21
GB0024852A GB2351868B (en) 1998-06-22 1999-06-18 Loudspeakers

Publications (3)

Publication Number Publication Date
GB0114995D0 GB0114995D0 (en) 2001-08-08
GB2360665A GB2360665A (en) 2001-09-26
GB2360665B true GB2360665B (en) 2003-01-15

Family

ID=27447893

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0114995A Expired - Fee Related GB2360665B (en) 1998-06-22 1999-06-18 Loudspeakers

Country Status (1)

Country Link
GB (1) GB2360665B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2574591B (en) * 2018-06-07 2020-10-28 Amina Tech Limited Product with integrally formed vibrating panel loudspeaker
US20200227021A1 (en) * 2019-01-11 2020-07-16 Haier Us Appliance Solutions, Inc. Consumer appliances having one or more noise cancellation features

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB290710A (en) * 1927-02-12 1928-05-14 Joseph Harrison Thomson Robert Improvements in or relating to diaphragms for loudspeakers and like sound-reproducing devices
GB320654A (en) * 1928-04-21 1929-10-21 George Rex Searle Improvements in loud speakers for wireless apparatus or the like
GB323539A (en) * 1928-10-04 1930-01-06 George Rex Searle Improvements in or relating to diaphragms for loud-speakers and like instruments
US1768473A (en) * 1930-06-24 Sound-propagating diaphragm
GB1003608A (en) * 1962-01-15 1965-09-08 Akg Akustische Kino Geraete Improvements in or relating to diaphragms for loudspeakers
GB1186722A (en) * 1966-04-06 1970-04-02 Nippon Gakki Company Ltd Diaphragm for Flat Plate-Type Loud Speaker
GB1289858A (en) * 1968-12-30 1972-09-20
GB2037123A (en) * 1978-11-20 1980-07-02 Sony Corp Flat plate loudspeakers
GB2050758A (en) * 1979-05-31 1981-01-07 Matsushita Electric Ind Co Ltd Acoustic diaphragm for speakers and method of producing the same
US4928312A (en) * 1988-10-17 1990-05-22 Amel Hill Acoustic transducer
WO1993011649A1 (en) * 1991-11-25 1993-06-10 Transducer Valley, Inc. Loudspeaker
WO1997009842A2 (en) * 1995-09-02 1997-03-13 New Transducers Limited Acoustic device
WO1998039947A1 (en) * 1997-03-04 1998-09-11 New Transducers Limited Acoustic device
WO1998052383A1 (en) * 1997-05-10 1998-11-19 New Transducers Limited Vibration transducers for resonant panel-form loudspeaker and loudspeaker with the same
WO1999060817A1 (en) * 1998-05-15 1999-11-25 Harman Audio Electronic Systems Gmbh Device for dynamic excitation of panel loudspeakers
EP1100287A1 (en) * 1999-11-10 2001-05-16 M- Tech(HK) Co. Ltd Loudspeaker

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1768473A (en) * 1930-06-24 Sound-propagating diaphragm
GB290710A (en) * 1927-02-12 1928-05-14 Joseph Harrison Thomson Robert Improvements in or relating to diaphragms for loudspeakers and like sound-reproducing devices
GB320654A (en) * 1928-04-21 1929-10-21 George Rex Searle Improvements in loud speakers for wireless apparatus or the like
GB323539A (en) * 1928-10-04 1930-01-06 George Rex Searle Improvements in or relating to diaphragms for loud-speakers and like instruments
GB1003608A (en) * 1962-01-15 1965-09-08 Akg Akustische Kino Geraete Improvements in or relating to diaphragms for loudspeakers
GB1186722A (en) * 1966-04-06 1970-04-02 Nippon Gakki Company Ltd Diaphragm for Flat Plate-Type Loud Speaker
GB1289858A (en) * 1968-12-30 1972-09-20
GB2037123A (en) * 1978-11-20 1980-07-02 Sony Corp Flat plate loudspeakers
GB2050758A (en) * 1979-05-31 1981-01-07 Matsushita Electric Ind Co Ltd Acoustic diaphragm for speakers and method of producing the same
US4928312A (en) * 1988-10-17 1990-05-22 Amel Hill Acoustic transducer
WO1993011649A1 (en) * 1991-11-25 1993-06-10 Transducer Valley, Inc. Loudspeaker
WO1997009842A2 (en) * 1995-09-02 1997-03-13 New Transducers Limited Acoustic device
WO1998039947A1 (en) * 1997-03-04 1998-09-11 New Transducers Limited Acoustic device
WO1998052383A1 (en) * 1997-05-10 1998-11-19 New Transducers Limited Vibration transducers for resonant panel-form loudspeaker and loudspeaker with the same
WO1999060817A1 (en) * 1998-05-15 1999-11-25 Harman Audio Electronic Systems Gmbh Device for dynamic excitation of panel loudspeakers
EP1100287A1 (en) * 1999-11-10 2001-05-16 M- Tech(HK) Co. Ltd Loudspeaker

Also Published As

Publication number Publication date
GB0114995D0 (en) 2001-08-08
GB2360665A (en) 2001-09-26

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070618