GB1045458A - Improvements in and relating to headlights for use on vehicles - Google Patents
Improvements in and relating to headlights for use on vehiclesInfo
- Publication number
- GB1045458A GB1045458A GB4054765A GB4054765A GB1045458A GB 1045458 A GB1045458 A GB 1045458A GB 4054765 A GB4054765 A GB 4054765A GB 4054765 A GB4054765 A GB 4054765A GB 1045458 A GB1045458 A GB 1045458A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reflector
- sept
- focus
- reflected
- headlights
- 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
-
- 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
- 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
-
- 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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
1,045,458. Vehicle headlamps. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Sept. 23, 1965 [Sept. 26, 1964], No. 40547/65. Heading F4R. The headlamp comprises a first parabolic reflector 10 having an incandescent body 12 at the focus and a second parabolic reflector 11 with a second incandescent body 13 behind its focus, the reflector 11 having its upper part cut away and the light rays which fall on the remainder being reflected with a downward component as at 27, 28, while light from the body 13 falling on the reflector 10 is also reflected with a downward component as at 25, 26. The axes of the reflectors may coincide or be parallel or inclined at a slight angle to one another.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6411242A NL6411242A (en) | 1964-09-26 | 1964-09-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1045458A true GB1045458A (en) | 1966-10-12 |
Family
ID=19791114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4054765A Expired GB1045458A (en) | 1964-09-26 | 1965-09-23 | Improvements in and relating to headlights for use on vehicles |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT250509B (en) |
CH (1) | CH425492A (en) |
GB (1) | GB1045458A (en) |
NL (1) | NL6411242A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5751095A (en) * | 1993-10-08 | 1998-05-12 | General Electric Company | Simulated reflector lamp using par lamp components |
-
1964
- 1964-09-26 NL NL6411242A patent/NL6411242A/xx unknown
-
1965
- 1965-09-23 CH CH1313865A patent/CH425492A/en unknown
- 1965-09-23 GB GB4054765A patent/GB1045458A/en not_active Expired
- 1965-09-23 AT AT867165A patent/AT250509B/en active
Also Published As
Publication number | Publication date |
---|---|
AT250509B (en) | 1966-11-10 |
CH425492A (en) | 1966-11-30 |
NL6411242A (en) | 1966-03-28 |
DE1472523A1 (en) | 1969-01-09 |
DE1472523B2 (en) | 1975-10-30 |
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