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GB2138648B - Moving coil loudspeaker - Google Patents

Moving coil loudspeaker

Info

Publication number
GB2138648B
GB2138648B GB08410449A GB8410449A GB2138648B GB 2138648 B GB2138648 B GB 2138648B GB 08410449 A GB08410449 A GB 08410449A GB 8410449 A GB8410449 A GB 8410449A GB 2138648 B GB2138648 B GB 2138648B
Authority
GB
United Kingdom
Prior art keywords
coil loudspeaker
moving coil
moving
loudspeaker
coil
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
Application number
GB08410449A
Other versions
GB8410449D0 (en
GB2138648A (en
Inventor
Harold Charles Pinfold
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.)
University of Liverpool
Original Assignee
University of Liverpool
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 GB838310770A external-priority patent/GB8310770D0/en
Application filed by University of Liverpool filed Critical University of Liverpool
Priority to GB08410449A priority Critical patent/GB2138648B/en
Publication of GB8410449D0 publication Critical patent/GB8410449D0/en
Publication of GB2138648A publication Critical patent/GB2138648A/en
Application granted granted Critical
Publication of GB2138648B publication Critical patent/GB2138648B/en
Expired 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
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/44—Special adaptations for subaqueous use, e.g. for hydrophone
    • 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
    • H04R9/045—Mounting

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB08410449A 1983-04-21 1984-04-24 Moving coil loudspeaker Expired GB2138648B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08410449A GB2138648B (en) 1983-04-21 1984-04-24 Moving coil loudspeaker

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838310770A GB8310770D0 (en) 1983-04-21 1983-04-21 Moving coil loudspeaker
GB08410449A GB2138648B (en) 1983-04-21 1984-04-24 Moving coil loudspeaker

Publications (3)

Publication Number Publication Date
GB8410449D0 GB8410449D0 (en) 1984-05-31
GB2138648A GB2138648A (en) 1984-10-24
GB2138648B true GB2138648B (en) 1986-11-26

Family

ID=26285887

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08410449A Expired GB2138648B (en) 1983-04-21 1984-04-24 Moving coil loudspeaker

Country Status (1)

Country Link
GB (1) GB2138648B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5664024A (en) * 1994-04-25 1997-09-02 Matsushita Electric Industrial Co., Ltd. Loudspeaker
KR100902895B1 (en) * 2006-06-29 2009-06-15 엘지전자 주식회사 speaker
KR100888965B1 (en) * 2006-06-29 2009-03-17 엘지전자 주식회사 speaker
US9913042B2 (en) * 2016-06-14 2018-03-06 Bose Corporation Miniature device having an acoustic diaphragm

Also Published As

Publication number Publication date
GB8410449D0 (en) 1984-05-31
GB2138648A (en) 1984-10-24

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Legal Events

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