FR611567A - - Google Patents
Info
- Publication number
- FR611567A FR611567A FR611567DA FR611567A FR 611567 A FR611567 A FR 611567A FR 611567D A FR611567D A FR 611567DA FR 611567 A FR611567 A FR 611567A
- Authority
- FR
- France
- 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
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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
- F21V7/09—Optical design with a combination of different curvatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
- F21S41/331—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas
- F21S41/333—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas with discontinuity at the junction between adjacent areas
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
FR611567A true FR611567A (pt) | 1926-10-01 |
Family
ID=1540863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR611567D Expired FR611567A (pt) |
Country Status (1)
Country | Link |
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FR (1) | FR611567A (pt) |
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0
- FR FR611567D patent/FR611567A/fr not_active Expired