FR895017A - Improvements to indirect lighting by white light, reading dials for control devices and others, more particularly used on board aircraft and vehicles - Google Patents

Improvements to indirect lighting by white light, reading dials for control devices and others, more particularly used on board aircraft and vehicles

Info

Publication number
FR895017A
FR895017A FR895017DA FR895017A FR 895017 A FR895017 A FR 895017A FR 895017D A FR895017D A FR 895017DA FR 895017 A FR895017 A FR 895017A
Authority
FR
France
Prior art keywords
vehicles
white light
control devices
particularly used
indirect lighting
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.)
Societe Nationale des Constructions Aeronautiques du Sud Est SNCASE
Original Assignee
Societe Nationale des Constructions Aeronautiques du Sud Est SNCASE
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 Societe Nationale des Constructions Aeronautiques du Sud Est SNCASE filed Critical Societe Nationale des Constructions Aeronautiques du Sud Est SNCASE
Application granted granted Critical
Publication of FR895017A publication Critical patent/FR895017A/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
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR895017D 1943-06-07 1943-06-07 Improvements to indirect lighting by white light, reading dials for control devices and others, more particularly used on board aircraft and vehicles Expired FR895017A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR895017T 1943-06-07

Publications (1)

Publication Number Publication Date
FR895017A true FR895017A (en) 1945-01-12

Family

ID=9390619

Family Applications (1)

Application Number Title Priority Date Filing Date
FR895017D Expired FR895017A (en) 1943-06-07 1943-06-07 Improvements to indirect lighting by white light, reading dials for control devices and others, more particularly used on board aircraft and vehicles

Country Status (1)

Country Link
FR (1) FR895017A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695354A (en) * 1950-12-16 1954-11-23 Edwin A Neugass Instrument panel lighting
US2855710A (en) * 1956-09-11 1958-10-14 Grimes Mfg Company Illuminated instrument panel
US2858417A (en) * 1955-01-06 1958-10-28 Stevens Bertram Instrument dial illuminator
US3162375A (en) * 1962-01-17 1964-12-22 American Radiator & Standard Instrument illuminating means

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695354A (en) * 1950-12-16 1954-11-23 Edwin A Neugass Instrument panel lighting
US2858417A (en) * 1955-01-06 1958-10-28 Stevens Bertram Instrument dial illuminator
US2855710A (en) * 1956-09-11 1958-10-14 Grimes Mfg Company Illuminated instrument panel
US3162375A (en) * 1962-01-17 1964-12-22 American Radiator & Standard Instrument illuminating means

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