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GB2310078B - Lighting device - Google Patents

Lighting device

Info

Publication number
GB2310078B
GB2310078B GB9701120A GB9701120A GB2310078B GB 2310078 B GB2310078 B GB 2310078B GB 9701120 A GB9701120 A GB 9701120A GB 9701120 A GB9701120 A GB 9701120A GB 2310078 B GB2310078 B GB 2310078B
Authority
GB
United Kingdom
Prior art keywords
lighting device
lighting
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
Application number
GB9701120A
Other versions
GB2310078A (en
GB9701120D0 (en
Inventor
Terence Milner
Paul England
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9701120D0 publication Critical patent/GB9701120D0/en
Publication of GB2310078A publication Critical patent/GB2310078A/en
Application granted granted Critical
Publication of GB2310078B publication Critical patent/GB2310078B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/30Vessels; Containers
    • H01J61/32Special longitudinal shape, e.g. for advertising purposes
    • H01J61/325U-shaped lamps
GB9701120A 1996-01-24 1997-01-20 Lighting device Expired - Fee Related GB2310078B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9601418.8A GB9601418D0 (en) 1996-01-24 1996-01-24 Lighting device

Publications (3)

Publication Number Publication Date
GB9701120D0 GB9701120D0 (en) 1997-03-12
GB2310078A GB2310078A (en) 1997-08-13
GB2310078B true GB2310078B (en) 2000-10-18

Family

ID=10787494

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9601418.8A Pending GB9601418D0 (en) 1996-01-24 1996-01-24 Lighting device
GB9701120A Expired - Fee Related GB2310078B (en) 1996-01-24 1997-01-20 Lighting device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9601418.8A Pending GB9601418D0 (en) 1996-01-24 1996-01-24 Lighting device

Country Status (3)

Country Link
AU (1) AU1395497A (en)
GB (2) GB9601418D0 (en)
WO (1) WO1997027616A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1728266A2 (en) * 2004-03-09 2006-12-06 Koninklijke Philips Electronics N.V. Compact low-pressure mercury vapor discharge lamp for illumination of a display device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB722165A (en) * 1951-10-13 1955-01-19 Philips Electrical Ind Ltd Improvements in or relating to tubular electric discharge lamps
GB1272615A (en) * 1968-04-30 1972-05-03 Rioch Kk Improvements in and relating to gas-filled discharge lamps
EP0066495A2 (en) * 1981-05-26 1982-12-08 Raymond Desplat Discharge lamp of the cold-cathode type bent about two levels
US4454451A (en) * 1981-12-21 1984-06-12 General Electric Company Circular fluorescent lamp unit
GB2168861A (en) * 1984-12-21 1986-06-25 Gerger Scient Instr Company Th Flashing lamp unit
US4833574A (en) * 1988-03-11 1989-05-23 Galagher P Christopher J Annular fluorescent lamp
US5034655A (en) * 1988-08-26 1991-07-23 Hitachi, Ltd. Circular fluorescent lamp
US5089943A (en) * 1989-12-07 1992-02-18 Vdo Adolf Schindling Ag Illuminating device, having two identical lamps connected in parallel
US5339230A (en) * 1993-09-01 1994-08-16 Devorris Philip E Encapsulated charged gas light apparatus
EP0735567A2 (en) * 1995-03-31 1996-10-02 General Electric Company Discharge lamp

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB398799A (en) * 1930-12-20 1933-09-19 British Thomson Houston Co Ltd Improvements in electric discharge lamps
EP0057974B1 (en) * 1981-01-27 1985-01-30 THORN EMI plc Discharge lamp
JPS5778762A (en) * 1981-09-10 1982-05-17 Mitsubishi Electric Corp Fluorescent lamp
JPS63187530A (en) * 1987-01-29 1988-08-03 Toshiba Corp Manufacture of glass bulb for tubular bulb
JP2702721B2 (en) * 1987-09-22 1998-01-26 松下電子工業株式会社 Fluorescent light
JPS6477858A (en) * 1988-08-29 1989-03-23 Toshiba Corp Fluorescent lamp device
JPH0286025A (en) * 1988-09-20 1990-03-27 Toshiba Lighting & Technol Corp Circular lamp device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB722165A (en) * 1951-10-13 1955-01-19 Philips Electrical Ind Ltd Improvements in or relating to tubular electric discharge lamps
GB1272615A (en) * 1968-04-30 1972-05-03 Rioch Kk Improvements in and relating to gas-filled discharge lamps
EP0066495A2 (en) * 1981-05-26 1982-12-08 Raymond Desplat Discharge lamp of the cold-cathode type bent about two levels
US4454451A (en) * 1981-12-21 1984-06-12 General Electric Company Circular fluorescent lamp unit
GB2168861A (en) * 1984-12-21 1986-06-25 Gerger Scient Instr Company Th Flashing lamp unit
US4833574A (en) * 1988-03-11 1989-05-23 Galagher P Christopher J Annular fluorescent lamp
US5034655A (en) * 1988-08-26 1991-07-23 Hitachi, Ltd. Circular fluorescent lamp
US5089943A (en) * 1989-12-07 1992-02-18 Vdo Adolf Schindling Ag Illuminating device, having two identical lamps connected in parallel
US5339230A (en) * 1993-09-01 1994-08-16 Devorris Philip E Encapsulated charged gas light apparatus
EP0735567A2 (en) * 1995-03-31 1996-10-02 General Electric Company Discharge lamp

Also Published As

Publication number Publication date
AU1395497A (en) 1997-08-20
GB9601418D0 (en) 1996-03-27
WO1997027616A1 (en) 1997-07-31
GB2310078A (en) 1997-08-13
GB9701120D0 (en) 1997-03-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020120