BE656032A - - Google Patents
Info
- Publication number
- BE656032A BE656032A BE656032DA BE656032A BE 656032 A BE656032 A BE 656032A BE 656032D A BE656032D A BE 656032DA BE 656032 A BE656032 A BE 656032A
- Authority
- BE
- Belgium
Links
Classifications
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- 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
- F21V5/04—Refractors for light sources of lens shape
- F21V5/048—Refractors for light sources of lens shape the lens being a simple lens adapted to cooperate with a point-like source for emitting mainly in one direction and having an axis coincident with the main light transmission direction, e.g. convergent or divergent lenses, plano-concave or plano-convex lenses
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- 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
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- 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
- F21V7/08—Optical design with elliptical curvature
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- 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
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
- F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Couplings Of Light Guides (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR959227A FR1391014A (fr) | 1964-01-03 | 1964-01-03 | Dispositif de signalisation perfectionné |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE656032A true BE656032A (da) | 1965-03-16 |
Family
ID=8820186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE656032D BE656032A (da) | 1964-01-03 | 1964-11-20 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE656032A (da) |
| CH (1) | CH417411A (da) |
| ES (1) | ES307475A1 (da) |
| FR (1) | FR1391014A (da) |
-
1964
- 1964-01-03 FR FR959227A patent/FR1391014A/fr not_active Expired
- 1964-11-20 BE BE656032D patent/BE656032A/xx unknown
- 1964-11-20 CH CH1502764A patent/CH417411A/fr unknown
- 1964-12-23 ES ES0307475A patent/ES307475A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1391014A (fr) | 1965-03-05 |
| ES307475A1 (es) | 1965-04-01 |
| CH417411A (fr) | 1966-07-15 |