IT8422427A0 - Pannello di illuminazione. - Google Patents

Pannello di illuminazione.

Info

Publication number
IT8422427A0
IT8422427A0 IT8422427A IT2242784A IT8422427A0 IT 8422427 A0 IT8422427 A0 IT 8422427A0 IT 8422427 A IT8422427 A IT 8422427A IT 2242784 A IT2242784 A IT 2242784A IT 8422427 A0 IT8422427 A0 IT 8422427A0
Authority
IT
Italy
Prior art keywords
lighting panel
lighting
panel
Prior art date
Application number
IT8422427A
Other languages
English (en)
Other versions
IT1175645B (it
Inventor
Lorne A Whitehead
Original Assignee
Canadienne Des Brevets Et Cana
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 Canadienne Des Brevets Et Cana filed Critical Canadienne Des Brevets Et Cana
Publication of IT8422427A0 publication Critical patent/IT8422427A0/it
Application granted granted Critical
Publication of IT1175645B publication Critical patent/IT1175645B/it

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)
  • Light Guides In General And Applications Therefor (AREA)
  • Electric Clocks (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Push-Button Switches (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)
IT22427/84A 1983-08-29 1984-08-28 Panello di illuminazione IT1175645B (it)

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
IT8422427A0 true IT8422427A0 (it) 1984-08-28
IT1175645B IT1175645B (it) 1987-07-15

Family

ID=24101692

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22427/84A IT1175645B (it) 1983-08-29 1984-08-28 Panello di illuminazione

Country Status (7)

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

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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 (it) * 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
US4542449A (en) 1985-09-17
GB8420638D0 (en) 1984-09-19
FR2551179B1 (fr) 1988-08-05
GB2145809B (en) 1987-05-07
GB2145809A (en) 1985-04-03
JPH0137801B2 (it) 1989-08-09
DE3430192C2 (it) 1990-11-08
IT1175645B (it) 1987-07-15
JPS6070601A (ja) 1985-04-22
DE3430192A1 (de) 1985-03-14
CA1217462A (en) 1987-02-03
FR2551179A1 (fr) 1985-03-01

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