DE20017915U1 - Asymmetric mirror louvre - Google Patents
Asymmetric mirror louvreInfo
- Publication number
- DE20017915U1 DE20017915U1 DE20017915U DE20017915U DE20017915U1 DE 20017915 U1 DE20017915 U1 DE 20017915U1 DE 20017915 U DE20017915 U DE 20017915U DE 20017915 U DE20017915 U DE 20017915U DE 20017915 U1 DE20017915 U1 DE 20017915U1
- Authority
- DE
- Germany
- Prior art keywords
- asymmetric mirror
- louvre
- mirror louvre
- asymmetric
- indirectly
- 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 - Lifetime
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
- 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
- F21V13/10—Combinations of only two kinds of elements the elements being reflectors and screens
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/0008—Reflectors for light sources providing for indirect lighting
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/0008—Reflectors for light sources providing for indirect lighting
- F21V7/0016—Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/09—Optical design with a combination of different curvatures
-
- 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)
- Optical Elements Other Than Lenses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically
Claims (1)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20017915U DE20017915U1 (en) | 2000-10-19 | 2000-10-19 | Asymmetric mirror louvre |
DE20109734U DE20109734U1 (en) | 2000-10-19 | 2001-06-11 | Asymmetrical mirror louvre mainly indirect |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20017915U DE20017915U1 (en) | 2000-10-19 | 2000-10-19 | Asymmetric mirror louvre |
Publications (1)
Publication Number | Publication Date |
---|---|
DE20017915U1 true DE20017915U1 (en) | 2001-02-08 |
Family
ID=7947828
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE20017915U Expired - Lifetime DE20017915U1 (en) | 2000-10-19 | 2000-10-19 | Asymmetric mirror louvre |
DE20109734U Expired - Lifetime DE20109734U1 (en) | 2000-10-19 | 2001-06-11 | Asymmetrical mirror louvre mainly indirect |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE20109734U Expired - Lifetime DE20109734U1 (en) | 2000-10-19 | 2001-06-11 | Asymmetrical mirror louvre mainly indirect |
Country Status (1)
Country | Link |
---|---|
DE (2) | DE20017915U1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3194836B1 (en) | 2014-09-19 | 2018-11-21 | Philips Lighting Holding B.V. | Table lamp and a method of adjusting the direction of the light output from a table lamp |
-
2000
- 2000-10-19 DE DE20017915U patent/DE20017915U1/en not_active Expired - Lifetime
-
2001
- 2001-06-11 DE DE20109734U patent/DE20109734U1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE20109734U1 (en) | 2001-10-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R207 | Utility model specification |
Effective date: 20010315 |
|
R156 | Lapse of ip right after 3 years |
Effective date: 20040501 |