GB2388488B - A loudspeaker with an elliptical diaphragm - Google Patents

A loudspeaker with an elliptical diaphragm

Info

Publication number
GB2388488B
GB2388488B GB0210314A GB0210314A GB2388488B GB 2388488 B GB2388488 B GB 2388488B GB 0210314 A GB0210314 A GB 0210314A GB 0210314 A GB0210314 A GB 0210314A GB 2388488 B GB2388488 B GB 2388488B
Authority
GB
United Kingdom
Prior art keywords
loudspeaker
elliptical diaphragm
elliptical
diaphragm
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
GB0210314A
Other versions
GB2388488A (en
GB0210314D0 (en
Inventor
Trevor William Stride
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 GB0210314A priority Critical patent/GB2388488B/en
Publication of GB0210314D0 publication Critical patent/GB0210314D0/en
Publication of GB2388488A publication Critical patent/GB2388488A/en
Application granted granted Critical
Publication of GB2388488B publication Critical patent/GB2388488B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04R7/12—Non-planar diaphragms or cones
GB0210314A 2002-05-07 2002-05-07 A loudspeaker with an elliptical diaphragm Expired - Fee Related GB2388488B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0210314A GB2388488B (en) 2002-05-07 2002-05-07 A loudspeaker with an elliptical diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0210314A GB2388488B (en) 2002-05-07 2002-05-07 A loudspeaker with an elliptical diaphragm

Publications (3)

Publication Number Publication Date
GB0210314D0 GB0210314D0 (en) 2002-06-12
GB2388488A GB2388488A (en) 2003-11-12
GB2388488B true GB2388488B (en) 2005-07-27

Family

ID=9936126

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0210314A Expired - Fee Related GB2388488B (en) 2002-05-07 2002-05-07 A loudspeaker with an elliptical diaphragm

Country Status (1)

Country Link
GB (1) GB2388488B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2418097A (en) * 2004-09-09 2006-03-15 Anthony John Andrews Loudspeaker suspension element extends radially-inward to centre polepiece
US7684582B2 (en) 2005-08-11 2010-03-23 Dei Headquarters, Inc. Electrodynamic acoustic transducer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4325456A (en) * 1980-10-10 1982-04-20 Altec Corporation Acoustical transformer for compression-type loudspeaker with an annular diaphragm
DE3309617A1 (en) * 1983-03-17 1984-09-20 Oskar 6837 St Leon-Rot Knecht Electro-acoustic transducer
JPH07226998A (en) * 1994-02-15 1995-08-22 Kenwood Corp Speaker unit
US5875252A (en) * 1995-06-16 1999-02-23 P.H.L. Audio Loudspeaker for high frequencies
GB2347044A (en) * 1999-02-17 2000-08-23 Vifa Speak As A loudspeaker with a ring shaped diaphragm and a phase plug
US6320970B1 (en) * 1998-09-25 2001-11-20 Eugene J. Czerwinski High frequency compression drivers

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4325456A (en) * 1980-10-10 1982-04-20 Altec Corporation Acoustical transformer for compression-type loudspeaker with an annular diaphragm
DE3309617A1 (en) * 1983-03-17 1984-09-20 Oskar 6837 St Leon-Rot Knecht Electro-acoustic transducer
JPH07226998A (en) * 1994-02-15 1995-08-22 Kenwood Corp Speaker unit
US5875252A (en) * 1995-06-16 1999-02-23 P.H.L. Audio Loudspeaker for high frequencies
US6320970B1 (en) * 1998-09-25 2001-11-20 Eugene J. Czerwinski High frequency compression drivers
GB2347044A (en) * 1999-02-17 2000-08-23 Vifa Speak As A loudspeaker with a ring shaped diaphragm and a phase plug

Also Published As

Publication number Publication date
GB2388488A (en) 2003-11-12
GB0210314D0 (en) 2002-06-12

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Legal Events

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

Effective date: 20090507