CH575571A5 - - Google Patents

Info

Publication number
CH575571A5
CH575571A5 CH1717572A CH1717572A CH575571A5 CH 575571 A5 CH575571 A5 CH 575571A5 CH 1717572 A CH1717572 A CH 1717572A CH 1717572 A CH1717572 A CH 1717572A CH 575571 A5 CH575571 A5 CH 575571A5
Authority
CH
Switzerland
Application number
CH1717572A
Original Assignee
Itt
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 Itt filed Critical Itt
Publication of CH575571A5 publication Critical patent/CH575571A5/xx

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
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • F21V7/0016—Reflectors 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
    • 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
    • F21V13/00—Producing 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
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
CH1717572A 1971-11-25 1972-11-24 CH575571A5 (enExample)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH575571A5 true CH575571A5 (enExample) 1976-05-14

Family

ID=9086393

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1717572A CH575571A5 (enExample) 1971-11-25 1972-11-24

Country Status (7)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378589B (de) * 1983-06-23 1985-08-26 Zumtobel Ag Leuchtstofflampenleuchte mit einem langgestreckten gehaeuse
DE8529940U1 (de) * 1985-10-22 1985-12-19 Siemens AG, 1000 Berlin und 8000 München Leuchtengehäuse
GB2190735B (en) * 1986-06-06 1989-12-13 Philips Electronic Associated Light fittings
GB2315850B (en) * 1996-08-02 2000-10-04 Spectral Technology Limited Lamp assembly
DE19638214C2 (de) * 1996-09-19 2001-10-11 Rainer Deska Leuchte zur Beleuchtung von Hallen
DE29923835U1 (de) † 1999-04-07 2001-04-05 Zumtobel Staff Gmbh Beleuchtungsanordnung zur Anbringung an der Decke oder einer Wand eines Raumes
DE10046843A1 (de) * 2000-09-20 2002-04-04 Hella Aerospace Gmbh Leseleuchte für einen Fahrzeuginnenraum
DE202007011211U1 (de) * 2007-08-10 2008-12-24 Zumtobel Lighting Gmbh Leuchte

Also Published As

Publication number Publication date
IT971083B (it) 1974-04-30
NL7215906A (enExample) 1973-05-29
FR2161452A5 (enExample) 1973-07-06
BE791838A (fr) 1973-05-24
DE2256202A1 (de) 1973-05-30
GB1408955A (en) 1975-10-08

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased