GB2305496B - A lamp - Google Patents

A lamp

Info

Publication number
GB2305496B
GB2305496B GB9619731A GB9619731A GB2305496B GB 2305496 B GB2305496 B GB 2305496B GB 9619731 A GB9619731 A GB 9619731A GB 9619731 A GB9619731 A GB 9619731A GB 2305496 B GB2305496 B GB 2305496B
Authority
GB
United Kingdom
Prior art keywords
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.)
Expired - Fee Related
Application number
GB9619731A
Other versions
GB9619731D0 (en
GB2305496A (en
Inventor
David Baxter
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 GB9619731D0 publication Critical patent/GB9619731D0/en
Publication of GB2305496A publication Critical patent/GB2305496A/en
Application granted granted Critical
Publication of GB2305496B publication Critical patent/GB2305496B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
    • F21V11/18—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed movable, e.g. flaps, slides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB9619731A 1995-09-21 1996-09-20 A lamp Expired - Fee Related GB2305496B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9519335.5A GB9519335D0 (en) 1995-09-21 1995-09-21 A lamp

Publications (3)

Publication Number Publication Date
GB9619731D0 GB9619731D0 (en) 1996-11-06
GB2305496A GB2305496A (en) 1997-04-09
GB2305496B true GB2305496B (en) 1999-06-23

Family

ID=10781087

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9519335.5A Pending GB9519335D0 (en) 1995-09-21 1995-09-21 A lamp
GB9619731A Expired - Fee Related GB2305496B (en) 1995-09-21 1996-09-20 A lamp

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9519335.5A Pending GB9519335D0 (en) 1995-09-21 1995-09-21 A lamp

Country Status (1)

Country Link
GB (2) GB9519335D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19721340A1 (en) * 1997-05-22 1998-12-17 Regiolux Fraenkische Leuchten Lamp fitting for at least one artificial light source, e.g. fluorescent tube
DE29906238U1 (en) * 1999-04-07 2000-08-17 Zumtobel Staff Gmbh Luminaire with at least two, in particular elongated, lamps arranged side by side
GB2388652B (en) * 2002-02-25 2005-03-23 Marc Boden Light shuttering
DE10321282B4 (en) * 2003-05-13 2010-11-25 Trilux Gmbh & Co. Kg wall light
CN100381910C (en) * 2005-10-13 2008-04-16 友达光电股份有限公司 Variable colour backlight source for planar display device
DE102012206086B4 (en) * 2012-04-13 2019-11-28 Andreas Hierzer Adjustment device for a luminaire for generating a variable light distribution and luminaire

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074124A (en) * 1976-09-22 1978-02-14 Maute Charles J Illumination apparatus for simulating night, dawn and morning, mid-day and afternoon and dusk natural light conditions
US4103322A (en) * 1976-09-27 1978-07-25 Gerald Price Thompson Lighting device
FR2420084A1 (en) * 1978-03-13 1979-10-12 Vedres Laurent Light colour and intensity controller - has concentric tubes with radial variation in transparency and filtering
GB2021247A (en) * 1978-05-19 1979-11-28 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Illuminating device for direct and/or indirect illumination
JPS6211827A (en) * 1985-07-10 1987-01-20 Hitachi Ltd Multiple color light source device
GB2197447A (en) * 1986-10-28 1988-05-18 Anthony Patrick Whitehouse Plant irradiator
EP0328265A2 (en) * 1988-02-09 1989-08-16 Patrick Anthony Pennington-Ridge Illuminating devices
WO1990004132A1 (en) * 1988-10-07 1990-04-19 Gulton Industries, Inc. Illuminating system
GB2236586A (en) * 1989-10-04 1991-04-10 Seung Jae Choi Reflecting board mounting device for use with a fluorescent lamp in showcase lighting
EP0645580A1 (en) * 1993-09-28 1995-03-29 E.G.O. Holding Europe Optic Guide A system for illuminating tunnels by means of a linear type light source
US5417438A (en) * 1991-12-31 1995-05-23 Poff; William D. Black light volleyball game and apparatus
US5450299A (en) * 1995-01-23 1995-09-12 Lepre; Dominic Touch activated illuminated hand rail assembly

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074124A (en) * 1976-09-22 1978-02-14 Maute Charles J Illumination apparatus for simulating night, dawn and morning, mid-day and afternoon and dusk natural light conditions
US4103322A (en) * 1976-09-27 1978-07-25 Gerald Price Thompson Lighting device
FR2420084A1 (en) * 1978-03-13 1979-10-12 Vedres Laurent Light colour and intensity controller - has concentric tubes with radial variation in transparency and filtering
GB2021247A (en) * 1978-05-19 1979-11-28 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Illuminating device for direct and/or indirect illumination
JPS6211827A (en) * 1985-07-10 1987-01-20 Hitachi Ltd Multiple color light source device
GB2197447A (en) * 1986-10-28 1988-05-18 Anthony Patrick Whitehouse Plant irradiator
EP0328265A2 (en) * 1988-02-09 1989-08-16 Patrick Anthony Pennington-Ridge Illuminating devices
WO1990004132A1 (en) * 1988-10-07 1990-04-19 Gulton Industries, Inc. Illuminating system
GB2236586A (en) * 1989-10-04 1991-04-10 Seung Jae Choi Reflecting board mounting device for use with a fluorescent lamp in showcase lighting
US5417438A (en) * 1991-12-31 1995-05-23 Poff; William D. Black light volleyball game and apparatus
EP0645580A1 (en) * 1993-09-28 1995-03-29 E.G.O. Holding Europe Optic Guide A system for illuminating tunnels by means of a linear type light source
US5450299A (en) * 1995-01-23 1995-09-12 Lepre; Dominic Touch activated illuminated hand rail assembly

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JAPIO Abstract No 62-11827 & JP 62 011 827 A *
WPI Abstract Acc No 80-A0643C/01 & FR 2420084 A1 *

Also Published As

Publication number Publication date
GB9619731D0 (en) 1996-11-06
GB2305496A (en) 1997-04-09
GB9519335D0 (en) 1995-11-22

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Legal Events

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

Effective date: 20090920