GB1408955A - Illumination apparatus - Google Patents

Illumination apparatus

Info

Publication number
GB1408955A
GB1408955A GB5431672A GB5431672A GB1408955A GB 1408955 A GB1408955 A GB 1408955A GB 5431672 A GB5431672 A GB 5431672A GB 5431672 A GB5431672 A GB 5431672A GB 1408955 A GB1408955 A GB 1408955A
Authority
GB
United Kingdom
Prior art keywords
mirror
plane
mirror elements
mirror element
elements
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
GB5431672A
Other languages
English (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.)
TDK Micronas GmbH
ITT Inc
Original Assignee
Deutsche ITT Industries GmbH
ITT Industries Inc
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 Deutsche ITT Industries GmbH, ITT Industries Inc filed Critical Deutsche ITT Industries GmbH
Publication of GB1408955A publication Critical patent/GB1408955A/en
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
    • 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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
GB5431672A 1971-11-25 1972-11-24 Illumination apparatus Expired GB1408955A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1408955A true GB1408955A (en) 1975-10-08

Family

ID=9086393

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5431672A Expired GB1408955A (en) 1971-11-25 1972-11-24 Illumination apparatus

Country Status (7)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190735A (en) * 1986-06-06 1987-11-25 Philips Electronic Associated Light fitting
GB2315850A (en) * 1996-08-02 1998-02-11 Spectral Technology Limited Elongate lamp for curing coatings
DE10046843A1 (de) * 2000-09-20 2002-04-04 Hella Aerospace Gmbh Leseleuchte für einen Fahrzeuginnenraum
EP1043542B2 (de) † 1999-04-07 2014-02-12 Zumtobel Lighting GmbH Beleuchtungsanordnung zur Anbringung an der Decke oder einer Wand eines Raumes

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8529940U1 (de) * 1985-10-22 1985-12-19 Siemens AG, 1000 Berlin und 8000 München Leuchtengehäuse
DE19638214C2 (de) * 1996-09-19 2001-10-11 Rainer Deska Leuchte zur Beleuchtung von Hallen
DE202007011211U1 (de) * 2007-08-10 2008-12-24 Zumtobel Lighting Gmbh Leuchte

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190735A (en) * 1986-06-06 1987-11-25 Philips Electronic Associated Light fitting
GB2190735B (en) * 1986-06-06 1989-12-13 Philips Electronic Associated Light fittings
GB2315850A (en) * 1996-08-02 1998-02-11 Spectral Technology Limited Elongate lamp for curing coatings
US5973331A (en) * 1996-08-02 1999-10-26 Nordson Corporation Lamp assembly
GB2315850B (en) * 1996-08-02 2000-10-04 Spectral Technology Limited Lamp assembly
EP1043542B2 (de) † 1999-04-07 2014-02-12 Zumtobel Lighting 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
US6367956B1 (en) 2000-09-20 2002-04-09 Hella Aerospace Gmbh Reading lamp for a vehicle interior

Also Published As

Publication number Publication date
BE791838A (fr) 1973-05-24
CH575571A5 (xx) 1976-05-14
IT971083B (it) 1974-04-30
NL7215906A (xx) 1973-05-29
FR2161452A5 (xx) 1973-07-06
DE2256202A1 (de) 1973-05-30

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee