GB2287309B - Lighting unit - Google Patents
Lighting unitInfo
- Publication number
- GB2287309B GB2287309B GB9504503A GB9504503A GB2287309B GB 2287309 B GB2287309 B GB 2287309B GB 9504503 A GB9504503 A GB 9504503A GB 9504503 A GB9504503 A GB 9504503A GB 2287309 B GB2287309 B GB 2287309B
- Authority
- GB
- United Kingdom
- Prior art keywords
- lighting unit
- lighting
- unit
- 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
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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/46—Circuits providing for substitution in case of failure of the lamp
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
- H05B47/29—Circuits providing for substitution of the light source in case of its failure
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9404607A GB9404607D0 (en) | 1994-03-09 | 1994-03-09 | Road sign lighting unit |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9504503D0 GB9504503D0 (en) | 1995-04-26 |
GB2287309A GB2287309A (en) | 1995-09-13 |
GB2287309B true GB2287309B (en) | 1998-05-06 |
Family
ID=10751582
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9404607A Pending GB9404607D0 (en) | 1994-03-09 | 1994-03-09 | Road sign lighting unit |
GB9504503A Expired - Fee Related GB2287309B (en) | 1994-03-09 | 1995-03-07 | Lighting unit |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9404607A Pending GB9404607D0 (en) | 1994-03-09 | 1994-03-09 | Road sign lighting unit |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB9404607D0 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2296827B (en) * | 1994-12-28 | 1999-06-23 | Lawrence George Gray | Safety standby adaptor or fitting for use with light bulbs |
ES2136034B1 (en) * | 1997-12-17 | 2000-05-16 | Juan Roura Y Cia S A | PROCEDURE AND ITS DEVICE FOR THE SUPPLY OF FLUORESCENT DISCHARGE LIGHTING TUBES. |
GB2341017B (en) * | 1998-08-25 | 2003-04-30 | George Alan Limpkin | Improvements in lighting |
GB0103888D0 (en) * | 2001-02-16 | 2001-04-04 | Raynesway Construction Souther | Road lighting system |
GB2383180B (en) * | 2001-12-11 | 2005-05-04 | Westinghouse Brake & Signal | Signal lamps and apparatus |
ES2288079B1 (en) * | 2005-04-28 | 2008-10-16 | Luis Enrique Diaz Arias | DEVICE FOR SWITCHING A LIGHT FOCUS OR CHARGING ANOTHER LIGHT FOCUS OF RESERVATION OR RESERVATION LOAD. |
TW200926096A (en) * | 2007-08-21 | 2009-06-16 | Koninkl Philips Electronics Nv | Generating first/second light in first/second mode |
KR100853265B1 (en) | 2007-12-21 | 2008-08-20 | 정풍기 | A street light which adopt xenon lamp |
JP2018098092A (en) * | 2016-12-15 | 2018-06-21 | オムロン株式会社 | Navigation lamp control system and illumination lamp control system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB511276A (en) * | 1938-01-15 | 1939-08-16 | John Murray Beaumont | Improvements in and relating to change-over switch mechanism for electric circuits |
GB983858A (en) * | 1960-07-11 | 1965-02-17 | Gasaccumulator Svenska Ab | An improved electrical signalling circuit |
GB1578431A (en) * | 1977-09-14 | 1980-11-05 | Turner N | Lighting circuits |
GB2097847A (en) * | 1981-05-01 | 1982-11-10 | Gec Claudgen Ltd | Traffic bollards |
-
1994
- 1994-03-09 GB GB9404607A patent/GB9404607D0/en active Pending
-
1995
- 1995-03-07 GB GB9504503A patent/GB2287309B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB511276A (en) * | 1938-01-15 | 1939-08-16 | John Murray Beaumont | Improvements in and relating to change-over switch mechanism for electric circuits |
GB983858A (en) * | 1960-07-11 | 1965-02-17 | Gasaccumulator Svenska Ab | An improved electrical signalling circuit |
GB1578431A (en) * | 1977-09-14 | 1980-11-05 | Turner N | Lighting circuits |
GB2097847A (en) * | 1981-05-01 | 1982-11-10 | Gec Claudgen Ltd | Traffic bollards |
Also Published As
Publication number | Publication date |
---|---|
GB9504503D0 (en) | 1995-04-26 |
GB9404607D0 (en) | 1994-04-20 |
GB2287309A (en) | 1995-09-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20120307 |