GB9504503D0 - Lighting unit - Google Patents

Lighting unit

Info

Publication number
GB9504503D0
GB9504503D0 GBGB9504503.5A GB9504503A GB9504503D0 GB 9504503 D0 GB9504503 D0 GB 9504503D0 GB 9504503 A GB9504503 A GB 9504503A GB 9504503 D0 GB9504503 D0 GB 9504503D0
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.)
Granted
Application number
GBGB9504503.5A
Other versions
GB2287309A (en
GB2287309B (en
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.)
FOREST CITY SIGNS Ltd
Original Assignee
FOREST CITY SIGNS 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 FOREST CITY SIGNS Ltd filed Critical FOREST CITY SIGNS Ltd
Publication of GB9504503D0 publication Critical patent/GB9504503D0/en
Publication of GB2287309A publication Critical patent/GB2287309A/en
Application granted granted Critical
Publication of GB2287309B publication Critical patent/GB2287309B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
GB9504503A 1994-03-09 1995-03-07 Lighting unit Expired - Fee Related GB2287309B (en)

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 true GB9504503D0 (en) 1995-04-26
GB2287309A GB2287309A (en) 1995-09-13
GB2287309B 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)

* Cited by examiner, † Cited by third party
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
GB2408834B (en) * 2001-12-11 2005-07-20 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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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
US3197674A (en) * 1960-07-11 1965-07-27 Aga Ab Arrangement for causing an indication upon the interruption of a load circuit
GB1578431A (en) * 1977-09-14 1980-11-05 Turner N Lighting circuits
GB2097847B (en) * 1981-05-01 1984-09-26 Gec Claudgen Ltd Traffic bollards

Also Published As

Publication number Publication date
GB9404607D0 (en) 1994-04-20
GB2287309A (en) 1995-09-13
GB2287309B (en) 1998-05-06

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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