MX145172A - Mejoras a unidad de iluminacion de lamparas tubulares - Google Patents

Mejoras a unidad de iluminacion de lamparas tubulares

Info

Publication number
MX145172A
MX145172A MX172920A MX17292078A MX145172A MX 145172 A MX145172 A MX 145172A MX 172920 A MX172920 A MX 172920A MX 17292078 A MX17292078 A MX 17292078A MX 145172 A MX145172 A MX 145172A
Authority
MX
Mexico
Prior art keywords
lighting unit
tubular lamps
lamps lighting
tubular
unit
Prior art date
Application number
MX172920A
Other languages
English (en)
Inventor
Sylvan R Shemitz
Original Assignee
Sylvan R Shemitz
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
Priority claimed from US05/783,676 external-priority patent/US4173034A/en
Application filed by Sylvan R Shemitz filed Critical Sylvan R Shemitz
Publication of MX145172A publication Critical patent/MX145172A/es

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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/14—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing polarised light
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
MX172920A 1977-04-01 1978-03-30 Mejoras a unidad de iluminacion de lamparas tubulares MX145172A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/783,676 US4173034A (en) 1977-04-01 1977-04-01 Lighting system with baffle
US05/819,067 US4298916A (en) 1977-04-01 1977-07-26 Lighting system with baffle

Publications (1)

Publication Number Publication Date
MX145172A true MX145172A (es) 1982-01-12

Family

ID=27120171

Family Applications (1)

Application Number Title Priority Date Filing Date
MX172920A MX145172A (es) 1977-04-01 1978-03-30 Mejoras a unidad de iluminacion de lamparas tubulares

Country Status (8)

Country Link
US (1) US4298916A (es)
JP (1) JPS53123584A (es)
CA (1) CA1103641A (es)
DE (1) DE2813994A1 (es)
FR (1) FR2385979A1 (es)
GB (1) GB1564694A (es)
IT (1) IT1155894B (es)
MX (1) MX145172A (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT376784B (de) * 1982-01-18 1984-12-27 Zumtobel Ag Arbeitsplatzleuchte
US4600975A (en) * 1984-01-25 1986-07-15 Roberts James R Architectural lighting apparatus
JPS63167378A (ja) * 1986-12-29 1988-07-11 Ricoh Co Ltd 複写機の制御方式
JPH02137859A (ja) * 1988-11-19 1990-05-28 Mita Ind Co Ltd 画像形成装置
CA2036518C (en) * 1990-03-07 1997-09-09 Daniel Nathan Karpen Full spectrum polarized lighting system
US5079680A (en) * 1991-06-07 1992-01-07 Reflector Hardware Corporation Undershelf task light fixture
IL102898A (en) * 1992-08-21 1995-01-24 Nezer Daniel Lighting systems
US5386357A (en) * 1992-12-04 1995-01-31 Shell Oil Company Light box
US5530628A (en) * 1993-04-05 1996-06-25 Peerless Lighting Corporation Task light
US5440467A (en) * 1994-04-22 1995-08-08 Steelcase Inc. Task light
US5813751A (en) * 1996-07-01 1998-09-29 Shaffer; Robert G. Device for permanent installation of christmas lighting
US5992066A (en) * 1997-04-21 1999-11-30 Brauer; William R. Apparatus with laminated diffuser for illuminating medical diagnostic imaging film
US5971571A (en) * 1997-09-08 1999-10-26 Winona Lighting Studio, Inc. Concave light reflector device
US6260982B1 (en) * 1999-03-01 2001-07-17 John J. Huebner Lighting apparatus for operating machines with overhead obstructions and method
GB0220027D0 (en) * 2002-08-28 2002-10-09 Full Vision Productions Ltd Luminaire
US7360929B2 (en) * 2005-04-15 2008-04-22 Sylvan R. Shemitz Designs, Inc. Luminaire with multi-purpose mounting feature
WO2011000393A1 (de) 2009-07-03 2011-01-06 Hartmut Flaig Sicherungsmutter
US8430547B2 (en) 2009-08-03 2013-04-30 Nike, Inc. Compact motion-simulating device
DE202012104138U1 (de) * 2012-10-29 2014-02-04 Zumtobel Lighting Gmbh Arbeitsplatzleuchte
US11149925B2 (en) 2016-06-09 2021-10-19 Signify Holding B.V. Lighting device including adjustable cover
US10384803B2 (en) * 2016-10-07 2019-08-20 The Boeing Company Methods and devices for light distribution in an aircraft, and aircraft including such devices
WO2019068665A1 (en) * 2017-10-05 2019-04-11 Signify Holding B.V. CIRCADIAN LIGHTING ARRANGEMENT
DE102019120894A1 (de) * 2019-08-02 2021-02-04 SF Handels- und Besitzgesellschaft mbH Sicherungsmutter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2402176A (en) * 1946-06-18 Polarized illumination
US3239659A (en) * 1963-06-14 1966-03-08 Polaroid Corp Glare-reducing lamp
US3349238A (en) * 1964-12-31 1967-10-24 Smithcraft Corp Glare-free office lighting device and the like
US3389246A (en) * 1966-01-17 1968-06-18 Sylvan R. Shemitz Illuminated wall partition divider
US3679893A (en) * 1970-09-03 1972-07-25 Sylvan R Schemitz And Associat Luminaire reflector comprising elliptical and parabolic segments
CH558023A (de) * 1972-08-29 1975-01-15 Battelle Memorial Institute Polarisationsvorrichtung.
US3794830A (en) * 1973-04-23 1974-02-26 Alkco Mfg Co Locking spring and hinge for cover of lighting fixture
US4054793A (en) * 1973-08-22 1977-10-18 Sylvan R. Shemitz Associates, Inc. Lighting system

Also Published As

Publication number Publication date
JPS6124761B2 (es) 1986-06-12
FR2385979B1 (es) 1984-03-16
JPS53123584A (en) 1978-10-28
GB1564694A (en) 1980-04-10
IT7848682A0 (it) 1978-03-30
US4298916A (en) 1981-11-03
DE2813994C2 (es) 1987-09-17
IT1155894B (it) 1987-01-28
DE2813994A1 (de) 1978-10-05
FR2385979A1 (fr) 1978-10-27
CA1103641A (en) 1981-06-23

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