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GB2016193B - Illuminated signs - Google Patents

Illuminated signs

Info

Publication number
GB2016193B
GB2016193B GB7905325A GB7905325A GB2016193B GB 2016193 B GB2016193 B GB 2016193B GB 7905325 A GB7905325 A GB 7905325A GB 7905325 A GB7905325 A GB 7905325A GB 2016193 B GB2016193 B GB 2016193B
Authority
GB
United Kingdom
Prior art keywords
illuminated signs
illuminated
signs
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
GB7905325A
Other versions
GB2016193A (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.)
Spiralux Neon SPRL
Original Assignee
Spiralux Neon SPRL
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
Priority claimed from BE185263A external-priority patent/BE864070A/en
Application filed by Spiralux Neon SPRL filed Critical Spiralux Neon SPRL
Publication of GB2016193A publication Critical patent/GB2016193A/en
Application granted granted Critical
Publication of GB2016193B publication Critical patent/GB2016193B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0026—Wavelength selective element, sheet or layer, e.g. filter or grating
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Road Signs Or Road Markings (AREA)
GB7905325A 1978-02-17 1979-02-15 Illuminated signs Expired GB2016193B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE185263A BE864070A (en) 1978-02-17 1978-02-17 LUMINOUS PANEL DEVICE

Publications (2)

Publication Number Publication Date
GB2016193A GB2016193A (en) 1979-09-19
GB2016193B true GB2016193B (en) 1982-08-04

Family

ID=3843097

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7905325A Expired GB2016193B (en) 1978-02-17 1979-02-15 Illuminated signs

Country Status (3)

Country Link
CH (1) CH629907A5 (en)
GB (1) GB2016193B (en)
IT (1) IT1110243B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460940A (en) * 1981-11-07 1984-07-17 Kei Mori Apparatus for uniform illumination employing light diffuser
DE3302157C2 (en) * 1983-01-22 1987-05-14 Borg Instruments GmbH, 7537 Remchingen Illumination device for a reflexively operated passive display
GB8302772D0 (en) * 1983-02-01 1983-03-02 Pilkington Perkin Elmer Ltd Transparent articles
GB2134688B (en) * 1983-02-01 1986-08-28 Pilkington Perkin Elmer Ltd Assembling transparent articles, eg solar cell covers, by use of markings
ES2013204A6 (en) * 1989-06-28 1990-04-16 Rotulos Roura Sa An illuminable sign
GB2263983B (en) * 1992-02-07 1995-11-01 Arragon Studios Ltd Means for producing lighting effects
BE1005657A6 (en) * 1992-10-15 1993-12-07 Connolly Thomas Joseph Teaches.
ES2147130B1 (en) * 1998-06-30 2001-03-01 Cristescu Maria Sa SYSTEM TO GENERATE ILLUMINATED ICONOGRAPHS ON RECORDINGS MADE IN LIGHT CONDUCTING MATERIALS.

Also Published As

Publication number Publication date
IT1110243B (en) 1985-12-23
GB2016193A (en) 1979-09-19
CH629907A5 (en) 1982-05-14
IT7920181A0 (en) 1979-02-14

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Legal Events

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

Effective date: 19980215