GB9215808D0 - An improved lamp fitting - Google Patents
An improved lamp fittingInfo
- Publication number
- GB9215808D0 GB9215808D0 GB929215808A GB9215808A GB9215808D0 GB 9215808 D0 GB9215808 D0 GB 9215808D0 GB 929215808 A GB929215808 A GB 929215808A GB 9215808 A GB9215808 A GB 9215808A GB 9215808 D0 GB9215808 D0 GB 9215808D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- lamp fitting
- improved lamp
- improved
- fitting
- lamp
- 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.)
- Pending
Links
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB929215808A GB9215808D0 (en) | 1992-07-24 | 1992-07-24 | An improved lamp fitting |
GB9315257A GB2269062B (en) | 1992-07-24 | 1993-07-23 | Lamp control apparatus and method of control |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB929215808A GB9215808D0 (en) | 1992-07-24 | 1992-07-24 | An improved lamp fitting |
Publications (1)
Publication Number | Publication Date |
---|---|
GB9215808D0 true GB9215808D0 (en) | 1992-09-09 |
Family
ID=10719271
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB929215808A Pending GB9215808D0 (en) | 1992-07-24 | 1992-07-24 | An improved lamp fitting |
GB9315257A Expired - Lifetime GB2269062B (en) | 1992-07-24 | 1993-07-23 | Lamp control apparatus and method of control |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9315257A Expired - Lifetime GB2269062B (en) | 1992-07-24 | 1993-07-23 | Lamp control apparatus and method of control |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB9215808D0 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1283131B1 (en) * | 1996-06-12 | 1998-04-07 | Gewiss Spa | EMERGENCY LIGHTING DEVICE WITH OPTIMIZED ENERGY CONSUMPTION |
GB2337644B (en) * | 1998-05-22 | 2002-07-17 | Mackwell Electronics Ltd | Fluorescent Lamps for Emergency Lighting Applications |
US7880391B2 (en) * | 2008-06-30 | 2011-02-01 | Osram Sylvania, Inc. | False failure prevention circuit in emergency ballast |
US9954390B2 (en) | 2012-05-30 | 2018-04-24 | Fulham Co., Ltd. | Ballast with battery backup |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1508130A (en) * | 1975-07-22 | 1978-04-19 | Thorn Electrical Ind Ltd | Emergency lighting systems |
US4029993A (en) * | 1975-12-18 | 1977-06-14 | General Electric Company | Two level inverter circuit |
GB2197760A (en) * | 1986-10-31 | 1988-05-25 | Fano Int Ltd | Emergency lighting unit |
JP2587710B2 (en) * | 1990-04-28 | 1997-03-05 | 株式会社小糸製作所 | Lighting circuit for vehicle discharge lamps |
US5004953A (en) * | 1989-06-30 | 1991-04-02 | The Bodine Company | Emergency lighting ballast for compact fluorescent lamps with integral starters |
GB2245436A (en) * | 1990-05-30 | 1992-01-02 | Solar Wide Ind Ltd | Solar-powered fluorescent lamp-drive circuit |
-
1992
- 1992-07-24 GB GB929215808A patent/GB9215808D0/en active Pending
-
1993
- 1993-07-23 GB GB9315257A patent/GB2269062B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2269062B (en) | 1996-05-22 |
GB9315257D0 (en) | 1993-09-08 |
GB2269062A (en) | 1994-01-26 |
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