DE1745703U - ANGLED BEAM LAMP FOR FLUORESCENT LAMPS. - Google Patents
ANGLED BEAM LAMP FOR FLUORESCENT LAMPS.Info
- Publication number
- DE1745703U DE1745703U DES21863U DES0021863U DE1745703U DE 1745703 U DE1745703 U DE 1745703U DE S21863 U DES21863 U DE S21863U DE S0021863 U DES0021863 U DE S0021863U DE 1745703 U DE1745703 U DE 1745703U
- Authority
- DE
- Germany
- Prior art keywords
- fluorescent lamps
- beam lamp
- angled beam
- strong
- lights
- 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
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
- F21V5/02—Refractors for light sources of prismatic shape
-
- 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
- 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
- F21W2131/10—Outdoor lighting
- F21W2131/101—Outdoor lighting of tunnels or the like, e.g. under bridges
-
- 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
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES21863U DE1745703U (en) | 1956-10-15 | 1956-10-15 | ANGLED BEAM LAMP FOR FLUORESCENT LAMPS. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES21863U DE1745703U (en) | 1956-10-15 | 1956-10-15 | ANGLED BEAM LAMP FOR FLUORESCENT LAMPS. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1745703U true DE1745703U (en) | 1957-05-29 |
Family
ID=32746104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DES21863U Expired DE1745703U (en) | 1956-10-15 | 1956-10-15 | ANGLED BEAM LAMP FOR FLUORESCENT LAMPS. |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1745703U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3138070A1 (en) * | 1980-09-26 | 1982-05-06 | Cibie Projecteurs S.A., 93012 Bobigny | Headlight with sloping cover pane for motor vehicles |
DE3633976A1 (en) * | 1986-04-09 | 1987-10-29 | Wila Leuchten Gmbh | Ceiling spotlight with brightening of the surrounding field |
DE4225386A1 (en) * | 1992-07-31 | 1992-12-03 | Siemens Ag | Fluorescent lamp lighting unit - has apertured light stop projecting inwards from one side of light exit opening |
DE4240915A1 (en) * | 1992-12-04 | 1994-06-09 | Christian Bartenbach | lamp |
DE10354462B4 (en) * | 2003-11-21 | 2014-02-13 | Zumtobel Lighting Gmbh | Luminaire with asymmetrical light emission |
-
1956
- 1956-10-15 DE DES21863U patent/DE1745703U/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3138070A1 (en) * | 1980-09-26 | 1982-05-06 | Cibie Projecteurs S.A., 93012 Bobigny | Headlight with sloping cover pane for motor vehicles |
DE3633976A1 (en) * | 1986-04-09 | 1987-10-29 | Wila Leuchten Gmbh | Ceiling spotlight with brightening of the surrounding field |
DE4225386A1 (en) * | 1992-07-31 | 1992-12-03 | Siemens Ag | Fluorescent lamp lighting unit - has apertured light stop projecting inwards from one side of light exit opening |
DE4240915A1 (en) * | 1992-12-04 | 1994-06-09 | Christian Bartenbach | lamp |
DE10354462B4 (en) * | 2003-11-21 | 2014-02-13 | Zumtobel Lighting Gmbh | Luminaire with asymmetrical light emission |
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