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GB0918820D0 - Loudspeaker - Google Patents

Loudspeaker

Info

Publication number
GB0918820D0
GB0918820D0 GB0918820A GB0918820A GB0918820D0 GB 0918820 D0 GB0918820 D0 GB 0918820D0 GB 0918820 A GB0918820 A GB 0918820A GB 0918820 A GB0918820 A GB 0918820A GB 0918820 D0 GB0918820 D0 GB 0918820D0
Authority
GB
United Kingdom
Prior art keywords
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.)
Granted
Application number
GB0918820A
Other versions
GB2474848A (en
GB2474848B (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0918820A priority Critical patent/GB2474848B/en
Publication of GB0918820D0 publication Critical patent/GB0918820D0/en
Publication of GB2474848A publication Critical patent/GB2474848A/en
Application granted granted Critical
Publication of GB2474848B publication Critical patent/GB2474848B/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • 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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane
    • H04R9/048—Construction in which the windings of the moving coil lay in the same plane of the ribbon type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB0918820A 2009-10-27 2009-10-27 Loudspeaker Expired - Fee Related GB2474848B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0918820A GB2474848B (en) 2009-10-27 2009-10-27 Loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0918820A GB2474848B (en) 2009-10-27 2009-10-27 Loudspeaker

Publications (3)

Publication Number Publication Date
GB0918820D0 true GB0918820D0 (en) 2009-12-09
GB2474848A GB2474848A (en) 2011-05-04
GB2474848B GB2474848B (en) 2014-05-28

Family

ID=41426766

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0918820A Expired - Fee Related GB2474848B (en) 2009-10-27 2009-10-27 Loudspeaker

Country Status (1)

Country Link
GB (1) GB2474848B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201105139D0 (en) * 2011-03-26 2011-05-11 Cooke Michael P Loudspeaker

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE345838A (en) * 1927-05-11
US1866603A (en) * 1927-05-11 1932-07-12 Bell Telephone Labor Inc Acoustic device
US1882974A (en) * 1928-05-22 1932-10-18 Bell Telephone Labor Inc Acoustic device
US1863072A (en) * 1929-12-26 1932-06-14 Bell Telephone Labor Inc Sound radiator and method of making the same
US1960449A (en) * 1933-05-18 1934-05-29 Midgley Albert Henry Acoustic apparatus
CA1284837C (en) * 1987-06-18 1991-06-11 Highwood Audio Inc. Audio transducer

Also Published As

Publication number Publication date
GB2474848A (en) 2011-05-04
GB2474848B (en) 2014-05-28

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Legal Events

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

Effective date: 20231027