GB2534859B - Diaphragm for a loudspeaker drive unit or a microphone - Google Patents

Diaphragm for a loudspeaker drive unit or a microphone Download PDF

Info

Publication number
GB2534859B
GB2534859B GB1501580.3A GB201501580A GB2534859B GB 2534859 B GB2534859 B GB 2534859B GB 201501580 A GB201501580 A GB 201501580A GB 2534859 B GB2534859 B GB 2534859B
Authority
GB
United Kingdom
Prior art keywords
microphone
diaphragm
drive unit
loudspeaker drive
loudspeaker
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.)
Active
Application number
GB1501580.3A
Other versions
GB201501580D0 (en
GB2534859A (en
Inventor
André Robert Rousseau Martial
Cobianchi Mattia
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.)
Bowers and Wilkins Group Ltd
Original Assignee
B&W Group 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 B&W Group Ltd filed Critical B&W Group Ltd
Priority to GB1501580.3A priority Critical patent/GB2534859B/en
Publication of GB201501580D0 publication Critical patent/GB201501580D0/en
Publication of GB2534859A publication Critical patent/GB2534859A/en
Application granted granted Critical
Publication of GB2534859B publication Critical patent/GB2534859B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • 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
    • 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
    • H04R7/12—Non-planar diaphragms or cones
    • 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
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped
    • 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
    • H04R2307/023—Diaphragms comprising ceramic-like materials, e.g. pure ceramic, glass, boride, nitride, carbide, mica and carbon materials
    • 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
    • H04R2307/025—Diaphragms comprising polymeric materials
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB1501580.3A 2015-01-30 2015-01-30 Diaphragm for a loudspeaker drive unit or a microphone Active GB2534859B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1501580.3A GB2534859B (en) 2015-01-30 2015-01-30 Diaphragm for a loudspeaker drive unit or a microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1501580.3A GB2534859B (en) 2015-01-30 2015-01-30 Diaphragm for a loudspeaker drive unit or a microphone

Publications (3)

Publication Number Publication Date
GB201501580D0 GB201501580D0 (en) 2015-03-18
GB2534859A GB2534859A (en) 2016-08-10
GB2534859B true GB2534859B (en) 2020-06-10

Family

ID=52705523

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1501580.3A Active GB2534859B (en) 2015-01-30 2015-01-30 Diaphragm for a loudspeaker drive unit or a microphone

Country Status (1)

Country Link
GB (1) GB2534859B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111263280A (en) * 2020-03-13 2020-06-09 歌尔股份有限公司 Dome dome and loudspeaker

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125647A (en) * 1964-03-17 Frequency-o cycles sec
EP0087177A1 (en) * 1982-02-22 1983-08-31 Koninklijke Philips Electronics N.V. Electro-acoustic transducer having a diaphragm comprising a layer of polymethacrylimide foam
GB2176673A (en) * 1985-06-05 1986-12-31 Reefgrade Limited Electro-mechanical transducer diaphragm
WO1988000423A1 (en) * 1986-07-04 1988-01-14 Ant Nachrichtentechnik Gmbh Membrane system with flexion-resistant rotationally symmetric plate for use as a sound reflecting or receiving element
JPH0746689A (en) * 1993-07-30 1995-02-14 Sharp Corp Speaker diaphragm and manufacture therefor
US20060222201A1 (en) * 2003-04-09 2006-10-05 Focal-Jmlab (S.A.) Multi-layered membranes consisting of a plurality of materials, for the loudspeaker of a high fidelity loudspeaker cabinet
JP2007043522A (en) * 2005-08-04 2007-02-15 Pioneer Electronic Corp Diaphragm for speaker device
US20080053745A1 (en) * 2006-08-30 2008-03-06 Takumu Tada Electroacoustic transducer and diaphragm
WO2009090746A1 (en) * 2008-01-17 2009-07-23 Pioneer Corporation Diaphragm for speaker, and speaker device
JP2011166819A (en) * 2006-08-30 2011-08-25 Victor Co Of Japan Ltd Electroacoustic transducer and diaphragm

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125647A (en) * 1964-03-17 Frequency-o cycles sec
EP0087177A1 (en) * 1982-02-22 1983-08-31 Koninklijke Philips Electronics N.V. Electro-acoustic transducer having a diaphragm comprising a layer of polymethacrylimide foam
GB2176673A (en) * 1985-06-05 1986-12-31 Reefgrade Limited Electro-mechanical transducer diaphragm
WO1988000423A1 (en) * 1986-07-04 1988-01-14 Ant Nachrichtentechnik Gmbh Membrane system with flexion-resistant rotationally symmetric plate for use as a sound reflecting or receiving element
JPH0746689A (en) * 1993-07-30 1995-02-14 Sharp Corp Speaker diaphragm and manufacture therefor
US20060222201A1 (en) * 2003-04-09 2006-10-05 Focal-Jmlab (S.A.) Multi-layered membranes consisting of a plurality of materials, for the loudspeaker of a high fidelity loudspeaker cabinet
JP2007043522A (en) * 2005-08-04 2007-02-15 Pioneer Electronic Corp Diaphragm for speaker device
US20080053745A1 (en) * 2006-08-30 2008-03-06 Takumu Tada Electroacoustic transducer and diaphragm
JP2011166819A (en) * 2006-08-30 2011-08-25 Victor Co Of Japan Ltd Electroacoustic transducer and diaphragm
WO2009090746A1 (en) * 2008-01-17 2009-07-23 Pioneer Corporation Diaphragm for speaker, and speaker device

Also Published As

Publication number Publication date
GB201501580D0 (en) 2015-03-18
GB2534859A (en) 2016-08-10

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Legal Events

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732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20200227 AND 20200304

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20210107 AND 20210113

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20210114 AND 20210120