GB2328731B - Illumination system - Google Patents

Illumination system

Info

Publication number
GB2328731B
GB2328731B GB9818883A GB9818883A GB2328731B GB 2328731 B GB2328731 B GB 2328731B GB 9818883 A GB9818883 A GB 9818883A GB 9818883 A GB9818883 A GB 9818883A GB 2328731 B GB2328731 B GB 2328731B
Authority
GB
United Kingdom
Prior art keywords
illumination system
illumination
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
GB9818883A
Other versions
GB2328731A (en
GB9818883D0 (en
Inventor
David Speed
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 GB9818883D0 publication Critical patent/GB9818883D0/en
Publication of GB2328731A publication Critical patent/GB2328731A/en
Application granted granted Critical
Publication of GB2328731B publication Critical patent/GB2328731B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
    • G08G1/054—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed photographing overspeeding vehicles
    • 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
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Stroboscope Apparatuses (AREA)
GB9818883A 1997-08-28 1998-08-28 Illumination system Expired - Fee Related GB2328731B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9718274.5A GB9718274D0 (en) 1997-08-28 1997-08-28 Illumination system

Publications (3)

Publication Number Publication Date
GB9818883D0 GB9818883D0 (en) 1998-10-21
GB2328731A GB2328731A (en) 1999-03-03
GB2328731B true GB2328731B (en) 2000-03-22

Family

ID=10818181

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9718274.5A Ceased GB9718274D0 (en) 1997-08-28 1997-08-28 Illumination system
GB9818883A Expired - Fee Related GB2328731B (en) 1997-08-28 1998-08-28 Illumination system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9718274.5A Ceased GB9718274D0 (en) 1997-08-28 1997-08-28 Illumination system

Country Status (1)

Country Link
GB (2) GB9718274D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6650765B1 (en) * 2000-01-11 2003-11-18 Pulnix America, Inc. System for simultaneously imaging vehicles and their license plates
DE202007008461U1 (en) * 2007-06-14 2008-08-14 Robot Visual Systems Gmbh Traffic monitoring system
MX2023001144A (en) 2020-12-15 2023-04-14 Selex Es Inc Systems and methods for electronic signature tracking.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233654A (en) * 1976-05-25 1980-11-11 Mitsubishi Denki Kabushiki Kaisha Method of lighting for colored shadows
US4849866A (en) * 1986-06-10 1989-07-18 Kei Mori Rainbow creating device
GB2239938A (en) * 1990-01-15 1991-07-17 Pierce Harvey Peter Roger Variable colour spotlight
GB2317003A (en) * 1996-09-06 1998-03-11 Starlite Systems Technology Li Lamp unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233654A (en) * 1976-05-25 1980-11-11 Mitsubishi Denki Kabushiki Kaisha Method of lighting for colored shadows
US4849866A (en) * 1986-06-10 1989-07-18 Kei Mori Rainbow creating device
GB2239938A (en) * 1990-01-15 1991-07-17 Pierce Harvey Peter Roger Variable colour spotlight
GB2317003A (en) * 1996-09-06 1998-03-11 Starlite Systems Technology Li Lamp unit

Also Published As

Publication number Publication date
GB9718274D0 (en) 1997-11-05
GB2328731A (en) 1999-03-03
GB9818883D0 (en) 1998-10-21

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Legal Events

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

Effective date: 20070828