FR821743A - Improvements in automotive headlights - Google Patents

Improvements in automotive headlights

Info

Publication number: FR821743A
Authority: FR; France
Prior art keywords: automotive headlights; headlights; automotive
Prior art date: 1937-05-12
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

Salomon Katz

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.)

1937-05-12

Filing date

1937-05-12

Publication date

1937-12-11

1937-05-12 Application filed filed Critical

1937-12-11 Application granted granted Critical

1937-12-11 Publication of FR821743A publication Critical patent/FR821743A/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
- F21S41/19—Attachment of light sources or lamp holders
- 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
- F21S41/36—Combinations of two or more separate reflectors
- 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)

FR821743D 1937-05-12 1937-05-12 Improvements in automotive headlights Expired FR821743A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR821743T		1937-05-12

Publications (1)

Publication Number	Publication Date
FR821743A true FR821743A (en)	1937-12-11

Family

ID=9278365

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR821743D Expired FR821743A (en)	1937-05-12	1937-05-12	Improvements in automotive headlights

Country Status (1)

Country	Link
FR (1)	FR821743A (en)

1937
- 1937-05-12 FR FR821743D patent/FR821743A/en not_active Expired

Similar Documents

Publication	Publication Date	Title
FR775036A (en)	1934-12-18	Automobile chassis
FR824312A (en)	1938-02-07	Motor vehicle
FR831746A (en)	1938-09-13	Motor vehicle
FR818586A (en)	1937-09-29	Motor vehicles
FR828622A (en)	1938-05-24	Automotive bodywork
FR821743A (en)	1937-12-11	Improvements in automotive headlights
FR759082A (en)	1934-01-29	Diaphragm anti-glare protector to be placed directly on automobile headlights
FR844918A (en)	1939-08-04	Automobile body
FR827360A (en)	1938-04-25	Motor vehicle
FR829788A (en)	1938-07-06	Automobile headlight
FR821821A (en)	1937-12-14	Improvements in closed closed bodies for motor vehicles
FR766557A (en)	1934-06-30	Automotive headlamp
FR834496A (en)	1938-11-22	Automotive bodywork
FR818002A (en)	1937-09-16	Automotive bodywork
FR832344A (en)	1938-09-26	Elastic suspension for motor vehicles
FR835629A (en)	1938-12-27	Automotive headlights improvements
FR787192A (en)	1935-09-18	Improvements in automotive vehicle suspensions
FR840018A (en)	1939-04-18	Motor vehicle
FR592618A (en)	1925-08-06	Improvements in the prismatic glass of automobile headlights
FR648957A (en)	1928-12-17	Improvements in automotive headlights
FR821806A (en)	1937-12-14	Automotive bodywork
FR815498A (en)	1937-07-12	Motor vehicle
FR772325A (en)	1934-10-27	Advanced automotive headlamp
FR827748A (en)	1938-05-03	Automotive windshield wipers
FR863216A (en)	1941-03-27	Improvements to automobile or other vehicle headlights