FR653640A - Glare-free headlight - Google Patents

Glare-free headlight

Info

Publication number: FR653640A
Authority: FR; France
Prior art keywords: glare; headlight; free; free headlight
Prior art date: 1928-05-01
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

Application number

Other languages

Inventor

Georges Cassan

Priority date (The priority date 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 date listed.)

1928-05-01

Filing date

1928-05-01

Publication date

1929-03-23

1928-05-01 Application filed filed Critical

1929-03-23 Application granted granted Critical

1929-03-23 Publication of FR653640A publication Critical patent/FR653640A/en

Status Expired legal-status Critical Current

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
- 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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
- 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
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
- 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
- F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
- F21S41/335—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with continuity at the junction between adjacent areas
- 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
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)

FR653640D 1928-05-01 1928-05-01 Glare-free headlight Expired FR653640A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR653640T		1928-05-01

Publications (1)

Publication Number	Publication Date
FR653640A true FR653640A (en)	1929-03-23

Family

ID=9005983

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR653640D Expired FR653640A (en)	1928-05-01	1928-05-01	Glare-free headlight

Country Status (1)

Country	Link
FR (1)	FR653640A (en)

1928
- 1928-05-01 FR FR653640D patent/FR653640A/en not_active Expired

Publication	Publication Date	Title
FR653640A (en)	1929-03-23	Glare-free headlight
FR35877E (en)	1930-03-29	Glare-free headlight
FR680357A (en)	1930-04-29	Anti-glare headlight
FR682601A (en)	1930-05-30	Glare-free headlight
FR646036A (en)	1928-11-06	Glare-free headlight
FR665281A (en)	1929-09-17	Removable vehicle
FR36850E (en)	1930-08-25	Glare-free headlight
FR650385A (en)	1929-01-08	Anti-glare headlight
FR695290A (en)	1930-12-13	Glare-free headlight
FR618782A (en)	1927-03-18	Anti-glare headlight
FR670011A (en)	1929-11-23	Medical-health car
FR674779A (en)	1930-02-01	Headlight
FR653731A (en)	1929-03-26	Non-blinding lighthouse
FR652630A (en)	1929-03-11	Rotating headlight
FR661203A (en)	1929-07-23	Dosing-mixer
FR677029A (en)	1930-03-03	Fixed-lace
FR681045A (en)	1930-05-08	Anti-glare headlight
FR704904A (en)	1931-05-28	Anti-glare headlight
FR686379A (en)	1930-07-25	Anti-glare headlight
FR666007A (en)	1929-09-26	Indicator lights
FR663060A (en)	1929-08-16	Reflector
FR691998A (en)	1930-10-29	Headlight
FR716321A (en)	1931-12-18	Headlight
FR651140A (en)	1929-02-14	Automobile headlight
FR651414A (en)	1929-02-19	Automobile headlight