GB0209522D0 - Improved speaker - Google Patents

Improved speaker

Info

Publication number
GB0209522D0
GB0209522D0 GB0209522A GB0209522A GB0209522D0 GB 0209522 D0 GB0209522 D0 GB 0209522D0 GB 0209522 A GB0209522 A GB 0209522A GB 0209522 A GB0209522 A GB 0209522A GB 0209522 D0 GB0209522 D0 GB 0209522D0
Authority
GB
United Kingdom
Prior art keywords
improved speaker
speaker
improved
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.)
Ceased
Application number
GB0209522A
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.)
BOON CHUAN H
Boon Jason N K
Original Assignee
BOON CHUAN H
Boon Jason N K
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 BOON CHUAN H, Boon Jason N K filed Critical BOON CHUAN H
Priority to GB0209522A priority Critical patent/GB0209522D0/en
Publication of GB0209522D0 publication Critical patent/GB0209522D0/en
Priority to GB0214960A priority patent/GB2387987A/en
Ceased legal-status Critical Current

Links

GB0209522A 2002-04-26 2002-04-26 Improved speaker Ceased GB0209522D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0209522A GB0209522D0 (en) 2002-04-26 2002-04-26 Improved speaker
GB0214960A GB2387987A (en) 2002-04-26 2002-06-28 Louspeaker with integral secondary diaphragm or which fits onto existing speaker cone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0209522A GB0209522D0 (en) 2002-04-26 2002-04-26 Improved speaker

Publications (1)

Publication Number Publication Date
GB0209522D0 true GB0209522D0 (en) 2002-06-05

Family

ID=9935527

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0209522A Ceased GB0209522D0 (en) 2002-04-26 2002-04-26 Improved speaker
GB0214960A Withdrawn GB2387987A (en) 2002-04-26 2002-06-28 Louspeaker with integral secondary diaphragm or which fits onto existing speaker cone

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0214960A Withdrawn GB2387987A (en) 2002-04-26 2002-06-28 Louspeaker with integral secondary diaphragm or which fits onto existing speaker cone

Country Status (1)

Country Link
GB (2) GB0209522D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7551749B2 (en) 2002-08-23 2009-06-23 Bose Corporation Baffle vibration reducing
CN1753575B (en) * 2004-09-26 2015-01-14 魏援 Electric loudspeaker having open box for lowing resonance frequency in cone frame
US8180076B2 (en) 2008-07-31 2012-05-15 Bose Corporation System and method for reducing baffle vibration

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1500711A (en) * 1974-01-26 1978-02-08 Tiefenbrun I Loudspeaker systems
NL8200416A (en) * 1982-02-04 1983-09-01 Philips Nv FLAT MEMBRANE CONVERTER AND METHOD FOR MAKING SUCH A CONVERTER
CH684043A5 (en) * 1991-10-05 1994-06-30 Maximilian Hobelsberger Apparatus for improving the bass at speaker systems with closed casings.
GB2297880B (en) * 1995-01-26 1999-04-07 John Ronald Watkinson Loudspeaker
JPH0974599A (en) * 1995-09-05 1997-03-18 Sony Corp Speaker device
JPH09284893A (en) * 1996-04-19 1997-10-31 Sony Corp Speaker equipment

Also Published As

Publication number Publication date
GB2387987A (en) 2003-10-29
GB0214960D0 (en) 2002-08-07

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)