FR692715A - Projector refinements - Google Patents
Projector refinementsInfo
- Publication number
- FR692715A FR692715A FR692715DA FR692715A FR 692715 A FR692715 A FR 692715A FR 692715D A FR692715D A FR 692715DA FR 692715 A FR692715 A FR 692715A
- Authority
- FR
- France
- Prior art keywords
- refinements
- projector
- projector refinements
- 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
- 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
- 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR692715T | 1930-03-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR692715A true FR692715A (en) | 1930-11-10 |
Family
ID=9038761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR692715D Expired FR692715A (en) | 1930-03-25 | 1930-03-25 | Projector refinements |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR692715A (en) |
-
1930
- 1930-03-25 FR FR692715D patent/FR692715A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR703387A (en) | Bra refinements | |
FR709845A (en) | Switch refinements | |
FR703931A (en) | Advanced lighting projectors | |
FR714620A (en) | Mixer improvements | |
FR720860A (en) | Valve refinements | |
FR728683A (en) | Filter refinements | |
FR692261A (en) | Carburetor improvements | |
FR688535A (en) | Projector refinements | |
FR709463A (en) | Coil refinements | |
FR692715A (en) | Projector refinements | |
FR735067A (en) | Projector refinements | |
FR663172A (en) | Projector refinements | |
FR674271A (en) | Projector refinements | |
FR717284A (en) | Switch refinements | |
FR702825A (en) | Awnings refinements | |
FR699233A (en) | Lantern refinements | |
FR705901A (en) | Corkscrew refinements | |
FR713869A (en) | Carburetor improvements | |
FR715428A (en) | Carburetor improvements | |
FR723256A (en) | Projector refinements | |
FR661888A (en) | Projector refinements | |
FR706583A (en) | Projector | |
FR714663A (en) | Projector | |
FR695751A (en) | Drum refinements | |
FR711287A (en) | Clutch refinements |