GB2013323B - Illumination apparatus - Google Patents

Illumination apparatus

Info

Publication number
GB2013323B
GB2013323B GB7902940A GB7902940A GB2013323B GB 2013323 B GB2013323 B GB 2013323B GB 7902940 A GB7902940 A GB 7902940A GB 7902940 A GB7902940 A GB 7902940A GB 2013323 B GB2013323 B GB 2013323B
Authority
GB
United Kingdom
Prior art keywords
illumination apparatus
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
Application number
GB7902940A
Other versions
GB2013323A (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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB7902940A priority Critical patent/GB2013323B/en
Publication of GB2013323A publication Critical patent/GB2013323A/en
Application granted granted Critical
Publication of GB2013323B publication Critical patent/GB2013323B/en
Expired 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/05—Optical design plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Lenses (AREA)
GB7902940A 1978-01-28 1979-01-26 Illumination apparatus Expired GB2013323B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7902940A GB2013323B (en) 1978-01-28 1979-01-26 Illumination apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB357778 1978-01-28
GB7902940A GB2013323B (en) 1978-01-28 1979-01-26 Illumination apparatus

Publications (2)

Publication Number Publication Date
GB2013323A GB2013323A (en) 1979-08-08
GB2013323B true GB2013323B (en) 1982-05-06

Family

ID=26238433

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7902940A Expired GB2013323B (en) 1978-01-28 1979-01-26 Illumination apparatus

Country Status (1)

Country Link
GB (1) GB2013323B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA913502B (en) * 1990-05-11 1992-03-25 Commw Scient Ind Res Org Traffic light
DE4431136A1 (en) * 1994-09-01 1996-03-07 Erco Leuchten Luminaire, such as recessed ceiling light or the like.
EP0801369B1 (en) * 1996-04-12 2001-07-25 Signalbau Huber AG Optical indicator for traffic signal device
GB2481184B (en) * 2010-04-06 2017-08-16 Unipart Rail Ltd LED parabolic reflector lamp
CN101852399B (en) * 2010-06-29 2012-12-19 海洋王照明科技股份有限公司 Vertical runway edge light lens support

Also Published As

Publication number Publication date
GB2013323A (en) 1979-08-08

Similar Documents

Publication Publication Date Title
JPS54152375A (en) Lighting apparatus
GB2025378B (en) Docufeeding apparatus
JPS54115147A (en) Electrochrom apparatus
ZA792886B (en) Apparatus
JPS54156379A (en) Lamp device
DE2962020D1 (en) Egg-collecting apparatus
YU221078A (en) Arosol apparatus
AU4277278A (en) Apparatus
GB2015187B (en) Refractor apparatus
EP0004706A3 (en) Wire-guidance apparatus
GB2075430B (en) Drawing apparatus
JPS54154178A (en) Lighting apparatus
GB2013323B (en) Illumination apparatus
GB2021971B (en) Piperting apparatus
GB2038585B (en) Duct-tracing apparatus
DE2966752D1 (en) Illumination apparatus
GB2064089B (en) Lighting apparatus
GB2024273B (en) Blow-texturing apparatus
GB2099362B (en) Sheet-laminating apparatus
JPS5497120A (en) Videooeducational apparatus
JPS54115589A (en) Lighting apparatus
JPS54115583A (en) Lighting apparatus
GB2037891B (en) Oxygengenerating apparatus
JPS5519303A (en) Crossstie apparatus
JPS54113987A (en) Lighting apparatus

Legal Events

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