GB2418559B - Dynamic loudspeaker - Google Patents

Dynamic loudspeaker

Info

Publication number
GB2418559B
GB2418559B GB0421498A GB0421498A GB2418559B GB 2418559 B GB2418559 B GB 2418559B GB 0421498 A GB0421498 A GB 0421498A GB 0421498 A GB0421498 A GB 0421498A GB 2418559 B GB2418559 B GB 2418559B
Authority
GB
United Kingdom
Prior art keywords
dynamic loudspeaker
loudspeaker
dynamic
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
GB0421498A
Other versions
GB2418559A (en
GB0421498D0 (en
Inventor
Craig Milnes
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.)
WILSON BENESCH Ltd
Original Assignee
WILSON BENESCH 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 WILSON BENESCH Ltd filed Critical WILSON BENESCH Ltd
Priority to GB0421498A priority Critical patent/GB2418559B/en
Publication of GB0421498D0 publication Critical patent/GB0421498D0/en
Publication of GB2418559A publication Critical patent/GB2418559A/en
Application granted granted Critical
Publication of GB2418559B publication Critical patent/GB2418559B/en
Expired - Fee Related 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/026—Transducers having separately controllable opposing diaphragms, e.g. for ring-tone and voice
    • 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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/24—Tensioning by means acting directly on free portions of diaphragm or cone
    • 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
    • H04R7/26—Damping by means acting directly on free portion of diaphragm or cone

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB0421498A 2004-09-28 2004-09-28 Dynamic loudspeaker Expired - Fee Related GB2418559B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0421498A GB2418559B (en) 2004-09-28 2004-09-28 Dynamic loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0421498A GB2418559B (en) 2004-09-28 2004-09-28 Dynamic loudspeaker

Publications (3)

Publication Number Publication Date
GB0421498D0 GB0421498D0 (en) 2004-10-27
GB2418559A GB2418559A (en) 2006-03-29
GB2418559B true GB2418559B (en) 2007-12-19

Family

ID=33397354

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0421498A Expired - Fee Related GB2418559B (en) 2004-09-28 2004-09-28 Dynamic loudspeaker

Country Status (1)

Country Link
GB (1) GB2418559B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9191746B2 (en) * 2012-08-24 2015-11-17 Cheng Yih Jenq Loudspeaker driver with dual electromagnet assemblies
JP6286158B2 (en) * 2013-09-11 2018-02-28 イー ジェン チェン Loudspeaker system with dual electromagnetic assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1102175A (en) * 1954-04-01 1955-10-18 Loudspeaker with two opposing motors
US3201529A (en) * 1962-11-16 1965-08-17 Philip C Surh Dynamic speaker
GB1286687A (en) * 1968-12-19 1972-08-23 Josef Wihelm Manger Electro-dynamic transducers
JPS5531385A (en) * 1978-08-28 1980-03-05 Mitsutachi Ogasawara Ripple loudspeaker
US5119431A (en) * 1987-12-28 1992-06-02 Hamby William H Efficiency loudspeaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1102175A (en) * 1954-04-01 1955-10-18 Loudspeaker with two opposing motors
US3201529A (en) * 1962-11-16 1965-08-17 Philip C Surh Dynamic speaker
GB1286687A (en) * 1968-12-19 1972-08-23 Josef Wihelm Manger Electro-dynamic transducers
JPS5531385A (en) * 1978-08-28 1980-03-05 Mitsutachi Ogasawara Ripple loudspeaker
US5119431A (en) * 1987-12-28 1992-06-02 Hamby William H Efficiency loudspeaker

Also Published As

Publication number Publication date
GB2418559A (en) 2006-03-29
GB0421498D0 (en) 2004-10-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130928