AT297843B - Luminaire with elongated lamps, preferably tubular fluorescent lamps, and a transparent cover - Google Patents

Luminaire with elongated lamps, preferably tubular fluorescent lamps, and a transparent cover

Info

Publication number
AT297843B
AT297843B AT300070A AT300070A AT297843B AT 297843 B AT297843 B AT 297843B AT 300070 A AT300070 A AT 300070A AT 300070 A AT300070 A AT 300070A AT 297843 B AT297843 B AT 297843B
Authority
AT
Austria
Prior art keywords
lamps
luminaire
transparent cover
preferably tubular
elongated
Prior art date
Application number
AT300070A
Other languages
German (de)
Original Assignee
Trilux Lenze Gmbh & Co Kg
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 Trilux Lenze Gmbh & Co Kg filed Critical Trilux Lenze Gmbh & Co Kg
Application granted granted Critical
Publication of AT297843B publication Critical patent/AT297843B/en

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
    • F21V5/00—Refractors for light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
AT300070A 1969-04-21 1970-04-01 Luminaire with elongated lamps, preferably tubular fluorescent lamps, and a transparent cover AT297843B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1920071A DE1920071C3 (en) 1969-04-21 1969-04-21 Luminaire with elongated lamps and a transparent cover

Publications (1)

Publication Number Publication Date
AT297843B true AT297843B (en) 1972-04-10

Family

ID=5731771

Family Applications (1)

Application Number Title Priority Date Filing Date
AT300070A AT297843B (en) 1969-04-21 1970-04-01 Luminaire with elongated lamps, preferably tubular fluorescent lamps, and a transparent cover

Country Status (6)

Country Link
US (1) US3716710A (en)
AT (1) AT297843B (en)
DE (1) DE1920071C3 (en)
FR (1) FR2045490A5 (en)
GB (1) GB1302603A (en)
NL (1) NL164126C (en)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2527287B2 (en) * 1975-06-19 1979-11-29 Sylvan R. Shemitz And Associates, Inc., West Haven, Conn. (V.St.A.) Lighting arrangement for illuminating a workplace
US4450509A (en) * 1982-08-17 1984-05-22 Thorn Emi Plc Lanterns for area lighting
NL8403064A (en) * 1984-10-09 1986-05-01 Philips Nv LIGHTING UNIT.
US4984144A (en) * 1987-05-08 1991-01-08 Minnesota Mining And Manufacturing Company High aspect ratio light fixture and film for use therein
KR890005451A (en) * 1987-09-21 1989-05-15 마쯔우라 다까오 Vehicle lamp
US4964636A (en) * 1988-02-23 1990-10-23 Hideyuki Ashihara Police baton with rotatable crosshandle
US5197734A (en) * 1989-01-20 1993-03-30 Hideyuki Ashihara Crosshanded guard baton (A)
JPH056523U (en) * 1991-07-02 1993-01-29 株式会社モチロ企画 Lighting cover for fluorescent lamps
US5190370A (en) * 1991-08-21 1993-03-02 Minnesota Mining And Manufacturing Company High aspect ratio lighting element
US5197792A (en) * 1992-04-21 1993-03-30 General Motors Corporation Illuminator device for a display panel
AU695608B2 (en) * 1995-06-07 1998-08-20 Toyoda Gosei Co. Ltd. Light-driven display device
JPH09105804A (en) * 1995-10-13 1997-04-22 Konica Corp Light control sheet, surface light source device, and liquid crystal display device
US5971570A (en) * 1995-11-13 1999-10-26 Simon; Jerome H. Decorative prismatic lens jacket for a lineal source
DE19731142B4 (en) * 1997-07-18 2004-05-13 Kaul, Sabine Lichtverteilstruktur
US6033094A (en) * 1997-10-02 2000-03-07 Fresnel Technologies, Inc. Microlens array for improved illumination patterns
US7364341B2 (en) * 1999-02-23 2008-04-29 Solid State Opto Limited Light redirecting films including non-interlockable optical elements
DE19923225B4 (en) * 1999-05-20 2009-10-22 Zumtobel Staff Gmbh Optical element for deflecting light rays and manufacturing processes
US7187505B2 (en) 2002-10-07 2007-03-06 Fresnel Technologies, Inc. Imaging lens for infrared cameras
US20050271348A1 (en) * 2004-06-02 2005-12-08 Hsin-Hsin Huang Hsu Prism sheet for a backlight module
US20070086207A1 (en) * 2006-01-13 2007-04-19 Optical Research Associates Display systems including light enhancing structures with arrays of elongate features
US7545569B2 (en) * 2006-01-13 2009-06-09 Avery Dennison Corporation Optical apparatus with flipped compound prism structures
US7866871B2 (en) 2006-01-13 2011-01-11 Avery Dennison Corporation Light enhancing structures with a plurality of arrays of elongate features
US7366393B2 (en) * 2006-01-13 2008-04-29 Optical Research Associates Light enhancing structures with three or more arrays of elongate features
US7674028B2 (en) * 2006-01-13 2010-03-09 Avery Dennison Corporation Light enhancing structures with multiple arrays of elongate features of varying characteristics
JP2008089977A (en) * 2006-10-02 2008-04-17 Canon Inc Irradiating device and irradiating system having the same
US8011802B2 (en) * 2007-07-24 2011-09-06 Sony Corporation Optical film, lighting device and display unit
CN101393279B (en) * 2007-09-17 2010-12-01 鸿富锦精密工业（深圳）有限公司 Back light module unit and prismatic lens thereof
CN101545999A (en) * 2008-03-28 2009-09-30 鸿富锦精密工业（深圳）有限公司 Prism lens
CN101620292A (en) * 2008-07-04 2010-01-06 鸿富锦精密工业（深圳）有限公司 Optical plate and backlight module adopting same
DE102012102986A1 (en) 2012-04-05 2013-10-10 Siteco Beleuchtungstechnik Gmbh Prism plate with varying flank angles
DE102012102987A1 (en) 2012-04-05 2013-10-10 Siteco Beleuchtungstechnik Gmbh Prism plate with varying flank angles

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558422A (en) * 1948-08-27 1951-06-26 Leo Nickolas M De Antiglare lens with a central reticulated area and differently reticulated surrounding area

Also Published As

Publication number Publication date
DE1920071B2 (en) 1975-01-30
DE1920071A1 (en) 1970-10-22
GB1302603A (en) 1973-01-10
NL164126B (en) 1980-06-16
NL164126C (en) 1980-11-17
US3716710A (en) 1973-02-13
NL7005671A (en) 1970-10-23
DE1920071C3 (en) 1979-07-19
FR2045490A5 (en) 1971-02-26

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee