JPH038041B2 - - Google Patents
Info
- Publication number
- JPH038041B2 JPH038041B2 JP57108617A JP10861782A JPH038041B2 JP H038041 B2 JPH038041 B2 JP H038041B2 JP 57108617 A JP57108617 A JP 57108617A JP 10861782 A JP10861782 A JP 10861782A JP H038041 B2 JPH038041 B2 JP H038041B2
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- headlight
- focal length
- paraboloid
- passing
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 17
- 230000004907 flux Effects 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- F21S41/336—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with discontinuity at the junction between adjacent areas
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8113632A FR2509427A1 (fr) | 1981-07-10 | 1981-07-10 | Projecteur de croisement a reflecteur asymetrique |
FR8113632 | 1981-07-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5810301A JPS5810301A (ja) | 1983-01-20 |
JPH038041B2 true JPH038041B2 (US08063081-20111122-C00044.png) | 1991-02-05 |
Family
ID=9260435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57108617A Granted JPS5810301A (ja) | 1981-07-10 | 1982-06-25 | 非対称反射鏡付すれちがい前照灯 |
Country Status (7)
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3379800D1 (en) * | 1982-10-15 | 1989-06-08 | Carello Lighting Plc | Road vehicle headlamp |
DE3340796A1 (de) * | 1983-11-11 | 1985-05-23 | Robert Bosch Gmbh, 7000 Stuttgart | Abblendlicht-scheinwerfer fuer kraftfahrzeuge |
DE3525041C2 (de) * | 1985-07-13 | 1994-06-16 | Bosch Gmbh Robert | Abblendlicht-oder Nebellichtscheinwerfer für Kraftfahrzeuge |
DE10007403A1 (de) | 2000-02-18 | 2001-08-23 | Volkswagen Ag | Projektionsscheinwerfer für ein Kraftfahrzeug |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2394745A1 (fr) * | 1977-06-17 | 1979-01-12 | Lucas Industries Ltd | Reflecteur pour vehicule a moteur |
DE2921474A1 (de) * | 1979-05-26 | 1980-11-27 | Daimler Benz Ag | Scheinwerferreflektor |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1417926A (en) * | 1922-05-30 | lester | ||
DE1156727B (de) * | 1960-07-19 | 1963-11-07 | Pierre Cibie | Reflektor fuer Kraftfahrzeug-Scheinwerfer |
-
1981
- 1981-07-10 FR FR8113632A patent/FR2509427A1/fr active Granted
-
1982
- 1982-06-04 ES ES1982273599U patent/ES273599Y/es not_active Expired
- 1982-06-15 IT IT21864/82A patent/IT1152970B/it active
- 1982-06-16 SE SE8203738A patent/SE438025B/sv not_active IP Right Cessation
- 1982-06-25 JP JP57108617A patent/JPS5810301A/ja active Granted
- 1982-07-08 DE DE3225609A patent/DE3225609C2/de not_active Expired
- 1982-07-09 GB GB00431412A patent/GB2102934B/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2394745A1 (fr) * | 1977-06-17 | 1979-01-12 | Lucas Industries Ltd | Reflecteur pour vehicule a moteur |
DE2921474A1 (de) * | 1979-05-26 | 1980-11-27 | Daimler Benz Ag | Scheinwerferreflektor |
Also Published As
Publication number | Publication date |
---|---|
IT8221864A0 (it) | 1982-06-15 |
SE438025B (sv) | 1985-03-25 |
ES273599Y (es) | 1984-07-01 |
DE3225609A1 (de) | 1983-02-03 |
GB2102934B (en) | 1985-01-30 |
DE3225609C2 (de) | 1987-04-30 |
IT1152970B (it) | 1987-01-14 |
SE8203738L (sv) | 1983-01-11 |
GB2102934A (en) | 1983-02-09 |
ES273599U (es) | 1983-12-16 |
JPS5810301A (ja) | 1983-01-20 |
FR2509427B1 (US08063081-20111122-C00044.png) | 1983-12-30 |
FR2509427A1 (fr) | 1983-01-14 |