NO172768C - Lysarmatur - Google Patents

Lysarmatur

Info

Publication number
NO172768C
NO172768C NO880704A NO880704A NO172768C NO 172768 C NO172768 C NO 172768C NO 880704 A NO880704 A NO 880704A NO 880704 A NO880704 A NO 880704A NO 172768 C NO172768 C NO 172768C
Authority
NO
Norway
Prior art keywords
center
grid cell
grid
largest
light exit
Prior art date
Application number
NO880704A
Other languages
English (en)
Other versions
NO880704L (no
NO880704D0 (no
NO172768B (no
Inventor
Peter Prodell
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of NO880704D0 publication Critical patent/NO880704D0/no
Publication of NO880704L publication Critical patent/NO880704L/no
Publication of NO172768B publication Critical patent/NO172768B/no
Publication of NO172768C publication Critical patent/NO172768C/no

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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
    • F21Y2103/37—U-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Glass Compositions (AREA)
  • Inorganic Insulating Materials (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Lasers (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
NO880704A 1987-02-17 1988-02-17 Lysarmatur NO172768C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3705020 1987-02-17

Publications (4)

Publication Number Publication Date
NO880704D0 NO880704D0 (no) 1988-02-17
NO880704L NO880704L (no) 1988-08-18
NO172768B NO172768B (no) 1993-05-24
NO172768C true NO172768C (no) 1993-09-01

Family

ID=6321180

Family Applications (1)

Application Number Title Priority Date Filing Date
NO880704A NO172768C (no) 1987-02-17 1988-02-17 Lysarmatur

Country Status (7)

Country Link
US (1) US4882662A (no)
EP (1) EP0279386B1 (no)
JP (1) JPS63202804A (no)
AT (1) ATE65595T1 (no)
DE (1) DE3863789D1 (no)
ES (1) ES2023959B3 (no)
NO (1) NO172768C (no)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5373431A (en) * 1993-08-31 1994-12-13 Cooper Industries, Inc. Ring/baffle element for a trim of a recessed lighting fixture
DE4433862C1 (de) * 1994-09-22 1996-03-14 Trilux Lenze Gmbh & Co Kg Reflektor- und Abschirmsystem für eine Deckenleuchte
US6273596B1 (en) * 1997-09-23 2001-08-14 Teledyne Lighting And Display Products, Inc. Illuminating lens designed by extrinsic differential geometry
FR2790308B1 (fr) * 1999-02-25 2001-05-18 Valeo Vision Projecteur a occulteur aere pour vehicule automobile
US6705747B2 (en) * 2001-11-20 2004-03-16 Ronald N. Caferro Circular lighting louver
ITTO20030801A1 (it) * 2003-10-14 2005-04-15 Fiat Ricerche Perfezionamenti negli apparecchi di illuminazione.
KR101370325B1 (ko) 2005-12-07 2014-03-05 코닌클리케 필립스 엔.브이. 조명 모듈
WO2013055388A2 (en) 2011-10-03 2013-04-18 Solais Lighting, Inc. Led illumination source with improved visual characteristics
US9810970B2 (en) * 2012-11-12 2017-11-07 Best Film Service Inc. Light containment and control device
JP6636651B2 (ja) 2016-04-22 2020-01-29 シグニファイ ホールディング ビー ヴィＳｉｇｎｉｆｙ Ｈｏｌｄｉｎｇ Ｂ．Ｖ． 小石板状ルーバ
WO2017182392A1 (en) * 2016-04-22 2017-10-26 Philips Lighting Holding B.V. Pebble-plate like louvre
EP3745420A1 (en) * 2019-05-27 2020-12-02 Koninklijke Philips N.V. Stabilized grating structures
CN212408339U (zh) * 2020-06-30 2021-01-26 广东松下环境系统有限公司 一种发光装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1894583A (en) * 1930-09-17 1933-01-17 Ferree Clarence Errol Lighting unit
US2166646A (en) * 1937-06-22 1939-07-18 S H Kress And Company Lighting fixture
US2143149A (en) * 1937-12-23 1939-01-10 Edwin F Guth Light directing shield
FR862697A (fr) * 1940-01-02 1941-03-12 Dispositif anti-éblouissant pour phares d'automobiles
US2398624A (en) * 1943-12-17 1946-04-16 Pennsylvania Railroad Co Light transmitting element
US2572825A (en) * 1946-11-27 1951-10-23 Edwin F Guth Built-in lighting fixture with adjustable spotlight
US3076892A (en) * 1956-03-14 1963-02-05 Theophile A Stiffel Diffusing means for use in connection with lighting fixtures
FR1570726A (no) * 1968-04-30 1969-06-13
US3508042A (en) * 1968-07-10 1970-04-21 Clifford Walter Maccoy Lighting control device
US3544463A (en) * 1968-12-19 1970-12-01 Mobil Oil Corp Overbased oil-soluble metal salts
JPS5334288U (no) * 1976-08-31 1978-03-25
US4222094A (en) * 1978-10-30 1980-09-09 William Wolar Means including a light distribution louver for the protection of lighting fixtures
DE2926202A1 (de) * 1979-06-29 1981-01-15 Alfred Korsch Raster, insbesondere leuchtenblendschutzraster fuer spiegelrasterleuchten
JPS597686U (ja) * 1982-07-03 1984-01-18 中嶋　明子 乳児用安全入浴支持具
DE8330299U1 (de) * 1983-10-18 1984-04-12 Semperlux Gmbh, 1000 Berlin Parabolisches lamellenelement fuer langgestreckte lichtquellen
US4780800A (en) * 1986-05-05 1988-10-25 J. W. Lighting, Inc. Reflective louvre for ceiling fixtures

Also Published As

Publication number Publication date
NO880704L (no) 1988-08-18
NO880704D0 (no) 1988-02-17
ATE65595T1 (de) 1991-08-15
EP0279386B1 (de) 1991-07-24
US4882662A (en) 1989-11-21
ES2023959B3 (es) 1992-02-16
DE3863789D1 (de) 1991-08-29
NO172768B (no) 1993-05-24
JPS63202804A (ja) 1988-08-22
EP0279386A1 (de) 1988-08-24
JPH0580081B2 (no) 1993-11-05

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