NL7215906A - - Google Patents

Info

Publication number
NL7215906A
NL7215906A NL7215906A NL7215906A NL7215906A NL 7215906 A NL7215906 A NL 7215906A NL 7215906 A NL7215906 A NL 7215906A NL 7215906 A NL7215906 A NL 7215906A NL 7215906 A NL7215906 A NL 7215906A
Authority
NL
Netherlands
Application number
NL7215906A
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 filed Critical
Publication of NL7215906A publication Critical patent/NL7215906A/xx

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/0008Reflectors for light sources providing for indirect lighting
    • F21V7/0016Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02Combinations of only two kinds of elements
    • F21V13/04Combinations of only two kinds of elements the elements being reflectors and refractors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/0025Combination of two or more reflectors for a single light source
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40Lighting for industrial, commercial, recreational or military use
    • F21W2131/402Lighting for industrial, commercial, recreational or military use for working places

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
NL7215906A 1971-11-25 1972-11-23 NL7215906A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7142267A FR2161452A5 (en) 1971-11-25 1971-11-25

Publications (1)

Publication Number Publication Date
NL7215906A true NL7215906A (en) 1973-05-29

Family

ID=9086393

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7215906A NL7215906A (en) 1971-11-25 1972-11-23

Country Status (7)

Country Link
BE (1) BE791838A (en)
CH (1) CH575571A5 (en)
DE (1) DE2256202A1 (en)
FR (1) FR2161452A5 (en)
GB (1) GB1408955A (en)
IT (1) IT971083B (en)
NL (1) NL7215906A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8529940U1 (en) * 1985-10-22 1985-12-19 Siemens AG, 1000 Berlin und 8000 München Luminaire housing
GB2190735B (en) * 1986-06-06 1989-12-13 Philips Electronic Associated Light fittings
GB2349684B (en) * 1996-08-02 2001-01-17 Nordson Corp Lamp assembly
DE19638214C2 (en) * 1996-09-19 2001-10-11 Rainer Deska Luminaire for illuminating halls
DE29923835U1 (en) 1999-04-07 2001-04-05 Zumtobel Staff Gmbh Lighting arrangement for attachment to the ceiling or a wall of a room
DE10046843A1 (en) * 2000-09-20 2002-04-04 Hella Aerospace Gmbh Reading light for a vehicle interior
DE202007011211U1 (en) * 2007-08-10 2008-12-24 Zumtobel Lighting Gmbh lamp

Also Published As

Publication number Publication date
IT971083B (en) 1974-04-30
FR2161452A5 (en) 1973-07-06
DE2256202A1 (en) 1973-05-30
BE791838A (en) 1973-05-24
GB1408955A (en) 1975-10-08
CH575571A5 (en) 1976-05-14

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BV The patent application has lapsed