FR2169319B1 - - Google Patents

Info

Publication number
FR2169319B1
FR2169319B1 FR7302803A FR7302803A FR2169319B1 FR 2169319 B1 FR2169319 B1 FR 2169319B1 FR 7302803 A FR7302803 A FR 7302803A FR 7302803 A FR7302803 A FR 7302803A FR 2169319 B1 FR2169319 B1 FR 2169319B1
Authority
FR
France
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
FR7302803A
Other languages
French (fr)
Other versions
FR2169319A1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2169319A1 publication Critical patent/FR2169319A1/fr
Application granted granted Critical
Publication of FR2169319B1 publication Critical patent/FR2169319B1/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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/32—Translucent ceilings, i.e. permitting both the transmission and diffusion of light
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/34—Grid-like or open-work ceilings, e.g. lattice type box-like modules, acoustic baffles
    • E04B9/345—Grid-like or open-work ceilings, e.g. lattice type box-like modules, acoustic baffles consisting of non-parallel slats, e.g. grids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
FR7302803A 1972-01-27 1973-01-26 Expired FR2169319B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2203825A DE2203825A1 (en) 1972-01-27 1972-01-27 LIGHT CEILING

Publications (2)

Publication Number Publication Date
FR2169319A1 FR2169319A1 (en) 1973-09-07
FR2169319B1 true FR2169319B1 (en) 1976-11-05

Family

ID=5834201

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7302803A Expired FR2169319B1 (en) 1972-01-27 1973-01-26

Country Status (6)

Country Link
US (1) US3798443A (en)
AT (1) AT337310B (en)
CH (1) CH555996A (en)
DE (1) DE2203825A1 (en)
FR (1) FR2169319B1 (en)
IT (1) IT982477B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4059754A (en) * 1976-01-12 1977-11-22 American Louver Company Louver for light distribution
DE3380183D1 (en) * 1983-10-03 1989-08-17 Heinrich Wendel Reflector device
WO2014124229A1 (en) 2013-02-08 2014-08-14 Quarkstar Llc Illumination system based on active and passive illumination devices

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3104834A (en) * 1963-09-24 Plastic grid
DE1251703B (en) *
US3124310A (en) * 1964-03-10 lipscomb
US2918567A (en) * 1956-09-19 1959-12-22 Leitz Ernst Gmbh Fluorescent lighting system
US2971083A (en) * 1958-11-14 1961-02-07 Gen Electric Low brightness louver
GB993402A (en) * 1960-08-25 1965-05-26 Reginald Henry Bone Improvements in or relating to light shielding means and the like
US3051073A (en) * 1961-05-15 1962-08-28 Barber Colman Co Air distribution outlet
US3291978A (en) * 1964-09-14 1966-12-13 Aluminum Louvre Corp Modular louver structure
FR1469067A (en) * 1965-12-21 1967-02-10 Philips Nv Louvre grilles for lighting devices

Also Published As

Publication number Publication date
CH555996A (en) 1974-11-15
DE2203825A1 (en) 1973-08-02
US3798443A (en) 1974-03-19
IT982477B (en) 1974-10-21
FR2169319A1 (en) 1973-09-07
AT337310B (en) 1977-06-27
ATA63873A (en) 1976-10-15

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Legal Events

Date Code Title Description
ST Notification of lapse