GB0818412D0 - Improvements relating to lighting systems - Google Patents
Improvements relating to lighting systemsInfo
- 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
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
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)
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)
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 |
US8067901B2 (en) * | 2008-01-14 | 2011-11-29 | 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 |
-
2008
- 2008-10-08 GB GBGB0818412.9A patent/GB0818412D0/en not_active Ceased
-
2009
- 2009-10-08 GB GB0917586.0A patent/GB2464211B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB0917586D0 (en) | 2009-11-25 |
GB2464211B (en) | 2013-04-10 |
GB2464211A (en) | 2010-04-14 |
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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) |