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GB0818412D0 - Improvements relating to lighting systems - Google Patents

Improvements relating to lighting systems

Info

Publication number
GB0818412D0
GB0818412D0 GBGB0818412.9A GB0818412A GB0818412D0 GB 0818412 D0 GB0818412 D0 GB 0818412D0 GB 0818412 A GB0818412 A GB 0818412A GB 0818412 D0 GB0818412 D0 GB 0818412D0
Authority
GB
United Kingdom
Prior art keywords
lighting systems
improvements relating
relating
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.)
Ceased
Application number
GBGB0818412.9A
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
E Light 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 E Light Ltd filed Critical E Light Ltd
Priority to GBGB0818412.9A priority Critical patent/GB0818412D0/en
Publication of GB0818412D0 publication Critical patent/GB0818412D0/en
Priority to GB0917586.0A priority patent/GB2464211B/en
Ceased legal-status Critical Current

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
GBGB0818412.9A 2008-10-08 2008-10-08 Improvements relating to lighting systems Ceased GB0818412D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB0818412.9A GB0818412D0 (en) 2008-10-08 2008-10-08 Improvements relating to lighting systems
GB0917586.0A GB2464211B (en) 2008-10-08 2009-10-08 Improvements relating to lighting systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0818412.9A GB0818412D0 (en) 2008-10-08 2008-10-08 Improvements relating to lighting systems

Publications (1)

Publication Number Publication Date
GB0818412D0 true GB0818412D0 (en) 2008-11-12

Family

ID=40042463

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0818412.9A Ceased GB0818412D0 (en) 2008-10-08 2008-10-08 Improvements relating to lighting systems
GB0917586.0A Expired - Fee Related GB2464211B (en) 2008-10-08 2009-10-08 Improvements relating to lighting systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0917586.0A Expired - Fee Related GB2464211B (en) 2008-10-08 2009-10-08 Improvements relating to lighting systems

Country Status (1)

Country Link
GB (2) GB0818412D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108646661A (en) * 2018-04-28 2018-10-12 淮北矿业（集团）有限责任公司 A kind of PLC electric-controlled intelligents switching device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5287372A (en) * 1992-04-24 1994-02-15 Hughes Aircraft Company Quasi-resonant diode drive current source
WO2006038157A2 (en) * 2004-10-01 2006-04-13 Koninklijke Philips Electronics N.V. Power converter for led large area light source lamp
CA2649259A1 (en) * 2008-01-14 2009-07-14 Tai-Her Yang Bi-directional light emitting diode drive circuit in pulsed power parallel resonance
US20090179886A1 (en) * 2008-01-14 2009-07-16 Tai-Her Yang Uni-directional light emitting diode drive circuit in bi-directional power parallel resonance

Also Published As

Publication number Publication date
GB2464211A (en) 2010-04-14
GB0917586D0 (en) 2009-11-25
GB2464211B (en) 2013-04-10

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: HOLDIP LIMITED

Free format text: FORMER OWNER: E LIGHT LIMITED

AT Applications terminated before publication under section 16(1)