FR2299689A1 - Support lumineux et ensemble realise avec ce support - Google Patents

Support lumineux et ensemble realise avec ce support

Info

Publication number
FR2299689A1
FR2299689A1 FR7502578A FR7502578A FR2299689A1 FR 2299689 A1 FR2299689 A1 FR 2299689A1 FR 7502578 A FR7502578 A FR 7502578A FR 7502578 A FR7502578 A FR 7502578A FR 2299689 A1 FR2299689 A1 FR 2299689A1
Authority
FR
France
Prior art keywords
points
light intensity
uniform light
display screen
conic
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.)
Granted
Application number
FR7502578A
Other languages
English (en)
French (fr)
Other versions
FR2299689B1 (enrdf_load_stackoverflow
Inventor
Gerard Mourgues
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.)
Radiotechnique Compelec RTC SA
Original Assignee
Radiotechnique Compelec RTC SA
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 Radiotechnique Compelec RTC SA filed Critical Radiotechnique Compelec RTC SA
Priority to FR7502578A priority Critical patent/FR2299689A1/fr
Publication of FR2299689A1 publication Critical patent/FR2299689A1/fr
Application granted granted Critical
Publication of FR2299689B1 publication Critical patent/FR2299689B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14—Arrangements of reflectors therein
    • 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
    • F21V7/09—Optical design with a combination of different curvatures
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0422—Reflectors
    • 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
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14—Arrangements of reflectors therein
    • G09F2013/145—Arrangements of reflectors therein curved reflectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
FR7502578A 1975-01-28 1975-01-28 Support lumineux et ensemble realise avec ce support Granted FR2299689A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7502578A FR2299689A1 (fr) 1975-01-28 1975-01-28 Support lumineux et ensemble realise avec ce support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7502578A FR2299689A1 (fr) 1975-01-28 1975-01-28 Support lumineux et ensemble realise avec ce support

Publications (2)

Publication Number Publication Date
FR2299689A1 true FR2299689A1 (fr) 1976-08-27
FR2299689B1 FR2299689B1 (enrdf_load_stackoverflow) 1977-07-15

Family

ID=9150396

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7502578A Granted FR2299689A1 (fr) 1975-01-28 1975-01-28 Support lumineux et ensemble realise avec ce support

Country Status (1)

Country Link
FR (1) FR2299689A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4336576A (en) * 1980-04-07 1982-06-22 Crabtree Daniel B Lighting apparatus
CN107895531A (zh) * 2017-12-22 2018-04-10 中国科学技术馆 一种互动展示装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR458361A (fr) * 1912-06-24 1913-10-09 Alfred William Beuttell Réflecteur pour sources lumineuses linéaires ou rectilignes
US2561885A (en) * 1945-05-31 1951-07-24 Gen Electric Illuminated dial
FR1040224A (fr) * 1950-08-16 1953-10-13 Lampes Sa Luminaire
FR2156573A1 (enrdf_load_stackoverflow) * 1971-10-08 1973-06-01 North American Rockwell

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR458361A (fr) * 1912-06-24 1913-10-09 Alfred William Beuttell Réflecteur pour sources lumineuses linéaires ou rectilignes
US2561885A (en) * 1945-05-31 1951-07-24 Gen Electric Illuminated dial
FR1040224A (fr) * 1950-08-16 1953-10-13 Lampes Sa Luminaire
FR2156573A1 (enrdf_load_stackoverflow) * 1971-10-08 1973-06-01 North American Rockwell

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4336576A (en) * 1980-04-07 1982-06-22 Crabtree Daniel B Lighting apparatus
CN107895531A (zh) * 2017-12-22 2018-04-10 中国科学技术馆 一种互动展示装置
CN107895531B (zh) * 2017-12-22 2024-03-19 中国科学技术馆 一种互动展示装置

Also Published As

Publication number Publication date
FR2299689B1 (enrdf_load_stackoverflow) 1977-07-15

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Legal Events

Date Code Title Description
ST Notification of lapse