BE727798A - - Google Patents
Info
- Publication number
- BE727798A BE727798A BE727798DA BE727798A BE 727798 A BE727798 A BE 727798A BE 727798D A BE727798D A BE 727798DA BE 727798 A BE727798 A BE 727798A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/10—Mirrors with curved faces
-
- 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
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
-
- 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
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEL0046719 | 1968-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE727798A true BE727798A (xx) | 1969-07-01 |
Family
ID=7271717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE727798D BE727798A (xx) | 1968-02-14 | 1969-01-31 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE727798A (xx) |
| NL (1) | NL6901731A (xx) |
| NO (1) | NO120515B (xx) |
-
1969
- 1969-01-31 BE BE727798D patent/BE727798A/xx unknown
- 1969-02-04 NL NL6901731A patent/NL6901731A/xx unknown
- 1969-02-13 NO NO69589A patent/NO120515B/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO120515B (xx) | 1970-11-02 |
| NL6901731A (xx) | 1969-08-18 |