JPS6340321B2 - - Google Patents
Info
- Publication number
- JPS6340321B2 JPS6340321B2 JP56009765A JP976581A JPS6340321B2 JP S6340321 B2 JPS6340321 B2 JP S6340321B2 JP 56009765 A JP56009765 A JP 56009765A JP 976581 A JP976581 A JP 976581A JP S6340321 B2 JPS6340321 B2 JP S6340321B2
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- paraboloid
- shape
- region
- flattened
- 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
- 230000003287 optical effect Effects 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 2
- 229920002994 synthetic fiber Polymers 0.000 description 11
- 238000005452 bending Methods 0.000 description 8
- 230000020169 heat generation Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- -1 polybutylene terephthalate Polymers 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
-
- 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
- F21S41/337—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having a structured surface, e.g. with facets or corrugations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/10—Protection of lighting devices
-
- 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
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8002467A FR2475186A1 (fr) | 1980-02-05 | 1980-02-05 | Perfectionnements aux reflecteurs en matieres plastiques pour projecteurs de vehicules automobiles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56116201A JPS56116201A (en) | 1981-09-11 |
| JPS6340321B2 true JPS6340321B2 (en, 2012) | 1988-08-10 |
Family
ID=9238215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP976581A Granted JPS56116201A (en) | 1980-02-05 | 1981-01-27 | Head light reflector for automobiles |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS56116201A (en, 2012) |
| DE (1) | DE3103379C2 (en, 2012) |
| ES (1) | ES498920A0 (en, 2012) |
| FR (1) | FR2475186A1 (en, 2012) |
| GB (1) | GB2069123B (en, 2012) |
| SU (1) | SU1194292A3 (en, 2012) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5851503U (ja) * | 1981-10-05 | 1983-04-07 | トヨタ自動車株式会社 | 車両用前照燈 |
| US4555748A (en) * | 1982-10-28 | 1985-11-26 | General Electric Company | Truncated motor vehicle headlamp |
| JPS62104302U (en, 2012) * | 1985-12-23 | 1987-07-03 | ||
| IT1267337B1 (it) * | 1994-12-16 | 1997-01-28 | Carello Spa | Riflettore per un proiettore per veicoli stradali. |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1302549A (fr) * | 1961-07-18 | 1962-08-31 | Perfectionnement apporté aux réflecteurs, plus particulièrement aux réflecteurs pour projecteurs de véhicules automobiles | |
| US4280173A (en) * | 1978-06-19 | 1981-07-21 | General Electric Company | Heat shield for plastic headlamp |
-
1980
- 1980-02-05 FR FR8002467A patent/FR2475186A1/fr active Granted
-
1981
- 1981-01-27 JP JP976581A patent/JPS56116201A/ja active Granted
- 1981-01-29 ES ES498920A patent/ES498920A0/es active Granted
- 1981-02-02 DE DE3103379A patent/DE3103379C2/de not_active Expired
- 1981-02-04 SU SU813276851A patent/SU1194292A3/ru active
- 1981-02-04 GB GB8103351A patent/GB2069123B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES8200457A1 (es) | 1981-11-16 |
| DE3103379C2 (de) | 1987-01-02 |
| FR2475186B1 (en, 2012) | 1982-12-10 |
| FR2475186A1 (fr) | 1981-08-07 |
| ES498920A0 (es) | 1981-11-16 |
| GB2069123A (en) | 1981-08-19 |
| JPS56116201A (en) | 1981-09-11 |
| DE3103379A1 (de) | 1981-12-17 |
| GB2069123B (en) | 1983-03-23 |
| SU1194292A3 (ru) | 1985-11-23 |
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