GB2368484B - Distributed mode panel type loudspeakers - Google Patents

Distributed mode panel type loudspeakers

Info

Publication number
GB2368484B
GB2368484B GB0026123A GB0026123A GB2368484B GB 2368484 B GB2368484 B GB 2368484B GB 0026123 A GB0026123 A GB 0026123A GB 0026123 A GB0026123 A GB 0026123A GB 2368484 B GB2368484 B GB 2368484B
Authority
GB
United Kingdom
Prior art keywords
panel type
distributed mode
mode panel
type loudspeakers
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 - Lifetime
Application number
GB0026123A
Other versions
GB2368484A (en
GB0026123D0 (en
Inventor
Stuart Michael Nevill
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.)
B&W Loudspeakers Ltd
Original Assignee
B&W Loudspeakers 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 Loudspeakers Ltd filed Critical B&W Loudspeakers Ltd
Priority to GB0026123A priority Critical patent/GB2368484B/en
Publication of GB0026123D0 publication Critical patent/GB0026123D0/en
Publication of GB2368484A publication Critical patent/GB2368484A/en
Application granted granted Critical
Publication of GB2368484B publication Critical patent/GB2368484B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB0026123A 2000-10-25 2000-10-25 Distributed mode panel type loudspeakers Expired - Lifetime GB2368484B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0026123A GB2368484B (en) 2000-10-25 2000-10-25 Distributed mode panel type loudspeakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0026123A GB2368484B (en) 2000-10-25 2000-10-25 Distributed mode panel type loudspeakers

Publications (3)

Publication Number Publication Date
GB0026123D0 GB0026123D0 (en) 2000-12-13
GB2368484A GB2368484A (en) 2002-05-01
GB2368484B true GB2368484B (en) 2004-06-16

Family

ID=9901950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0026123A Expired - Lifetime GB2368484B (en) 2000-10-25 2000-10-25 Distributed mode panel type loudspeakers

Country Status (1)

Country Link
GB (1) GB2368484B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2365250C (en) * 2000-07-21 2005-04-04 B & W Loudspeakers Acoustic structures
US7002070B2 (en) 2001-06-22 2006-02-21 Shelley Katz Electronic piano
GB2392043B (en) * 2002-08-17 2006-03-22 K H Technology Corp Combination loudspeaker unit
EP1392080A3 (en) * 2002-08-17 2004-12-22 KH Technology Corporation Loudspeaker unit and assembly
CN1759635A (en) * 2003-01-22 2006-04-12 谢利·卡茨 Apparatus and method for producing sound
WO2020118065A1 (en) * 2018-12-05 2020-06-11 Oda Inc. Speaker

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4477699A (en) * 1981-03-24 1984-10-16 Pioneer Electronic Corporation Mechanical two-way loudspeaker
EP0341926A1 (en) * 1988-05-09 1989-11-15 Kh Technology Corporation Loudspeaker
WO1998034320A2 (en) * 1997-01-31 1998-08-06 New Transducers Limited Electro-dynamic inertial vibration exciter
GB2335821A (en) * 1998-03-25 1999-09-29 Sony Corp Loudspeaker with concentric diaphragms and voice coils arranged adjacent to the inner and outer edges of an annular magnetic pole
WO1999060820A1 (en) * 1998-05-15 1999-11-25 Harman Audio Electronic Systems Gmbh Driver for a flat acoustic panel
WO2001039541A2 (en) * 1999-11-22 2001-05-31 Harman Audio Electronic Systems Gmbh Flat loudspeaker system for bass reproduction

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4477699A (en) * 1981-03-24 1984-10-16 Pioneer Electronic Corporation Mechanical two-way loudspeaker
EP0341926A1 (en) * 1988-05-09 1989-11-15 Kh Technology Corporation Loudspeaker
WO1998034320A2 (en) * 1997-01-31 1998-08-06 New Transducers Limited Electro-dynamic inertial vibration exciter
GB2335821A (en) * 1998-03-25 1999-09-29 Sony Corp Loudspeaker with concentric diaphragms and voice coils arranged adjacent to the inner and outer edges of an annular magnetic pole
WO1999060820A1 (en) * 1998-05-15 1999-11-25 Harman Audio Electronic Systems Gmbh Driver for a flat acoustic panel
WO2001039541A2 (en) * 1999-11-22 2001-05-31 Harman Audio Electronic Systems Gmbh Flat loudspeaker system for bass reproduction

Also Published As

Publication number Publication date
GB2368484A (en) 2002-05-01
GB0026123D0 (en) 2000-12-13

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20201024