IT1155894B - Sistema di illuminazione con sorgente di luce orientata comprendente un deflettore modificante il percorso della luce per evitare le riflessioni di velatura - Google Patents
Sistema di illuminazione con sorgente di luce orientata comprendente un deflettore modificante il percorso della luce per evitare le riflessioni di velaturaInfo
- Publication number
- IT1155894B IT1155894B IT48682/78A IT4868278A IT1155894B IT 1155894 B IT1155894 B IT 1155894B IT 48682/78 A IT48682/78 A IT 48682/78A IT 4868278 A IT4868278 A IT 4868278A IT 1155894 B IT1155894 B IT 1155894B
- Authority
- IT
- Italy
- Prior art keywords
- sailing
- reflections
- deflector
- modifying
- avoid
- Prior art date
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)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
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 (2)
Publication Number | Publication Date |
---|---|
IT7848682A0 IT7848682A0 (it) | 1978-03-30 |
IT1155894B true IT1155894B (it) | 1987-01-28 |
Family
ID=27120171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48682/78A IT1155894B (it) | 1977-04-01 | 1978-03-30 | Sistema di illuminazione con sorgente di luce orientata comprendente un deflettore modificante il percorso della luce per evitare le riflessioni di velatura |
Country Status (8)
Country | Link |
---|---|
US (1) | US4298916A (it) |
JP (1) | JPS53123584A (it) |
CA (1) | CA1103641A (it) |
DE (1) | DE2813994A1 (it) |
FR (1) | FR2385979A1 (it) |
GB (1) | GB1564694A (it) |
IT (1) | IT1155894B (it) |
MX (1) | MX145172A (it) |
Families Citing this family (23)
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 |
MX339935B (es) | 2009-07-03 | 2016-06-16 | Flaig Hartmut | Tuerca de cierre. |
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 |
EP3469255B1 (en) * | 2016-06-09 | 2020-08-19 | Signify Holding B.V. | Lighting device |
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)
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 |
-
1977
- 1977-07-26 US US05/819,067 patent/US4298916A/en not_active Expired - Lifetime
-
1978
- 1978-03-07 CA CA298,420A patent/CA1103641A/en not_active Expired
- 1978-03-29 GB GB12257/78A patent/GB1564694A/en not_active Expired
- 1978-03-29 JP JP3540078A patent/JPS53123584A/ja active Granted
- 1978-03-30 MX MX172920A patent/MX145172A/es unknown
- 1978-03-30 IT IT48682/78A patent/IT1155894B/it active
- 1978-03-30 FR FR7809372A patent/FR2385979A1/fr active Granted
- 1978-03-31 DE DE19782813994 patent/DE2813994A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
GB1564694A (en) | 1980-04-10 |
JPS53123584A (en) | 1978-10-28 |
US4298916A (en) | 1981-11-03 |
FR2385979A1 (fr) | 1978-10-27 |
DE2813994C2 (it) | 1987-09-17 |
JPS6124761B2 (it) | 1986-06-12 |
FR2385979B1 (it) | 1984-03-16 |
CA1103641A (en) | 1981-06-23 |
DE2813994A1 (de) | 1978-10-05 |
MX145172A (es) | 1982-01-12 |
IT7848682A0 (it) | 1978-03-30 |
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