GB2462007B - Improvements to lighting systems - Google Patents

Improvements to lighting systems

Info

Publication number
GB2462007B
GB2462007B GB0912905.7A GB0912905A GB2462007B GB 2462007 B GB2462007 B GB 2462007B GB 0912905 A GB0912905 A GB 0912905A GB 2462007 B GB2462007 B GB 2462007B
Authority
GB
United Kingdom
Prior art keywords
lighting systems
lighting
systems
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
GB0912905.7A
Other versions
GB2462007A (en
GB0912905D0 (en
Inventor
David Thomas Summerland
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.)
Holdip Ltd
Original Assignee
Holdip 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 Holdip Ltd filed Critical Holdip Ltd
Publication of GB0912905D0 publication Critical patent/GB0912905D0/en
Publication of GB2462007A publication Critical patent/GB2462007A/en
Application granted granted Critical
Publication of GB2462007B publication Critical patent/GB2462007B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B33/0809—
    • H05B33/0839—
GB0912905.7A 2008-07-24 2009-07-24 Improvements to lighting systems Expired - Fee Related GB2462007B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0813485.0A GB0813485D0 (en) 2008-07-24 2008-07-24 Improvements to lighting systems

Publications (3)

Publication Number Publication Date
GB0912905D0 GB0912905D0 (en) 2009-08-26
GB2462007A GB2462007A (en) 2010-01-27
GB2462007B true GB2462007B (en) 2012-07-18

Family

ID=39737525

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0813485.0A Ceased GB0813485D0 (en) 2008-07-24 2008-07-24 Improvements to lighting systems
GB0912905.7A Expired - Fee Related GB2462007B (en) 2008-07-24 2009-07-24 Improvements to lighting systems

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0813485.0A Ceased GB0813485D0 (en) 2008-07-24 2008-07-24 Improvements to lighting systems

Country Status (1)

Country Link
GB (2) GB0813485D0 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009109888A1 (en) * 2008-03-05 2009-09-11 Philips Intellectual Property & Standards Gmbh Driving a light-emitting diode

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009109888A1 (en) * 2008-03-05 2009-09-11 Philips Intellectual Property & Standards Gmbh Driving a light-emitting diode

Also Published As

Publication number Publication date
GB0813485D0 (en) 2008-08-27
GB2462007A (en) 2010-01-27
GB0912905D0 (en) 2009-08-26

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Legal Events

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

Effective date: 20130724