FR1139966A - Improvements made to the construction of transmission-lit panels - Google Patents

Improvements made to the construction of transmission-lit panels

Info

Publication number
FR1139966A
FR1139966A FR1139966DA FR1139966A FR 1139966 A FR1139966 A FR 1139966A FR 1139966D A FR1139966D A FR 1139966DA FR 1139966 A FR1139966 A FR 1139966A
Authority
FR
France
Prior art keywords
construction
transmission
improvements made
lit panels
lit
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
Other languages
French (fr)
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.)
Thorn Electrical Industries Ltd
Original Assignee
Thorn Electrical Industries 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 Thorn Electrical Industries Ltd filed Critical Thorn Electrical Industries Ltd
Application granted granted Critical
Publication of FR1139966A publication Critical patent/FR1139966A/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
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/007—Incandescent lamp or gas discharge lamp
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to the light guide
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B15/00—Supervisory desks or panels for centralised control or display

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR1139966D 1955-01-11 1956-01-03 Improvements made to the construction of transmission-lit panels Expired FR1139966A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1139966X 1955-01-11

Publications (1)

Publication Number Publication Date
FR1139966A true FR1139966A (en) 1957-07-09

Family

ID=10877099

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1139966D Expired FR1139966A (en) 1955-01-11 1956-01-03 Improvements made to the construction of transmission-lit panels

Country Status (1)

Country Link
FR (1) FR1139966A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3931668A1 (en) * 1989-09-22 1991-04-04 Bodenseewerk Geraetetech Illumination arrangement for display tables - has LED(S) on board behind front panel illumination fixed transparent characters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3931668A1 (en) * 1989-09-22 1991-04-04 Bodenseewerk Geraetetech Illumination arrangement for display tables - has LED(S) on board behind front panel illumination fixed transparent characters

Similar Documents

Publication Publication Date Title
FR1161104A (en) Improvements to seating structures
FR1140766A (en) Improvements to transistron oscillators
FR1153883A (en) Improvements to soundproofing panels
FR1168183A (en) Laminated structures
CH334510A (en) Ceiling construction
FR1133072A (en) Improvements to gearboxes
FR1139966A (en) Improvements made to the construction of transmission-lit panels
FR1122345A (en) Improvements to soundproofing panels
FR1131948A (en) Combined stylograph
FR1139379A (en) Combined bathymeter
FR1129377A (en) Ceiling
NL94535C (en) Hand grenade
FR1135573A (en) Improvements to the construction of semi-trailers
FR1140422A (en) Improvements made to shelving supports
FR1152606A (en) Improvements relating to the construction of floors
FR1155927A (en) Burner structure
FR1148143A (en) Construction panels
AT195078B (en) Lightweight wall
FR1129654A (en) Improvements to the attack of ilmenitis
FR1101775A (en) Construction panels
FR62479E (en) Improvements to the construction of concentric pairs
FR1155761A (en) Improvements to valves
FR1119069A (en) Improvements made to removable boxes
FR1097947A (en) Panel construction
FR1112706A (en) Improvements made to shelving