FR2551179B1 - Panneau d'eclairage - Google Patents

Panneau d'eclairage

Info

Publication number
FR2551179B1
FR2551179B1 FR8413304A FR8413304A FR2551179B1 FR 2551179 B1 FR2551179 B1 FR 2551179B1 FR 8413304 A FR8413304 A FR 8413304A FR 8413304 A FR8413304 A FR 8413304A FR 2551179 B1 FR2551179 B1 FR 2551179B1
Authority
FR
France
Prior art keywords
lighting panel
lighting
panel
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
FR8413304A
Other languages
English (en)
Other versions
FR2551179A1 (fr
Inventor
Lorne A Whitehead
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.)
Canadian Patents and Development Ltd
Original Assignee
Canadian Patents and Development 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 Canadian Patents and Development Ltd filed Critical Canadian Patents and Development Ltd
Publication of FR2551179A1 publication Critical patent/FR2551179A1/fr
Application granted granted Critical
Publication of FR2551179B1 publication Critical patent/FR2551179B1/fr
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
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Push-Button Switches (AREA)
  • Electric Clocks (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
FR8413304A 1983-08-29 1984-08-28 Panneau d'eclairage Expired FR2551179B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/527,495 US4542449A (en) 1983-08-29 1983-08-29 Lighting panel with opposed 45° corrugations

Publications (2)

Publication Number Publication Date
FR2551179A1 FR2551179A1 (fr) 1985-03-01
FR2551179B1 true FR2551179B1 (fr) 1988-08-05

Family

ID=24101692

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8413304A Expired FR2551179B1 (fr) 1983-08-29 1984-08-28 Panneau d'eclairage

Country Status (7)

Country Link
US (1) US4542449A (fr)
JP (1) JPS6070601A (fr)
CA (1) CA1217462A (fr)
DE (1) DE3430192A1 (fr)
FR (1) FR2551179B1 (fr)
GB (1) GB2145809B (fr)
IT (1) IT1175645B (fr)

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GB806124A (en) * 1955-02-25 1958-12-17 Gen Electric Co Ltd Improvements in or relating to electric lighting arrangements for indoor illumination
GB870557A (en) * 1957-07-25 1961-06-14 Burroughs Corp Improvements in or relating to optical device
DE1659950A1 (de) * 1962-11-09 1971-01-28 Ludwig Hermann Fensteranordnung,deren Rahmen aus Kunststoffhohlprofilen aufgebaut sind
US3234376A (en) * 1963-02-11 1966-02-08 Michael J Ceglia Glare-free lighting fixture
GB1038480A (en) * 1964-09-23 1966-08-10 Ici Ltd Lighting units
US3484599A (en) * 1967-01-03 1969-12-16 William D Little Optical projection system
US4064433A (en) * 1976-06-30 1977-12-20 K-S-H, Inc. Prismatic lighting panel
US4233651A (en) * 1978-03-30 1980-11-11 Keene Corporation Work area lighting system
JPS55137404U (fr) * 1979-03-23 1980-09-30
US4242723A (en) * 1979-05-14 1980-12-30 Keene Corporation Low level work area lighting system
US4260220A (en) * 1979-06-15 1981-04-07 Canadian Patents And Development Limited Prism light guide having surfaces which are in octature

Also Published As

Publication number Publication date
GB2145809A (en) 1985-04-03
CA1217462A (fr) 1987-02-03
DE3430192A1 (de) 1985-03-14
GB2145809B (en) 1987-05-07
DE3430192C2 (fr) 1990-11-08
IT8422427A0 (it) 1984-08-28
FR2551179A1 (fr) 1985-03-01
IT1175645B (it) 1987-07-15
JPH0137801B2 (fr) 1989-08-09
US4542449A (en) 1985-09-17
JPS6070601A (ja) 1985-04-22
GB8420638D0 (en) 1984-09-19

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