JPS6232561B2 - - Google Patents
Info
- Publication number
- JPS6232561B2 JPS6232561B2 JP53074935A JP7493578A JPS6232561B2 JP S6232561 B2 JPS6232561 B2 JP S6232561B2 JP 53074935 A JP53074935 A JP 53074935A JP 7493578 A JP7493578 A JP 7493578A JP S6232561 B2 JPS6232561 B2 JP S6232561B2
- Authority
- JP
- Japan
- Prior art keywords
- passing
- central axis
- cylindrical shape
- light
- filament
- 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
- 239000011521 glass Substances 0.000 claims description 19
- 230000003287 optical effect Effects 0.000 claims description 11
- 230000004907 flux Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000005286 illumination Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/28—Cover glass
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7720338A FR2396240A1 (fr) | 1977-07-01 | 1977-07-01 | Projecteur croisement-route de grande ouverture pour vehicule automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5415378A JPS5415378A (en) | 1979-02-05 |
| JPS6232561B2 true JPS6232561B2 (h) | 1987-07-15 |
Family
ID=9192872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7493578A Granted JPS5415378A (en) | 1977-07-01 | 1978-06-22 | Headlamp for vehicle |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4238817A (h) |
| JP (1) | JPS5415378A (h) |
| AR (1) | AR222153A1 (h) |
| BR (1) | BR7804174A (h) |
| DE (1) | DE2828856C2 (h) |
| ES (1) | ES471152A1 (h) |
| FR (1) | FR2396240A1 (h) |
| GB (1) | GB2000582B (h) |
| IT (1) | IT1096883B (h) |
| SE (1) | SE7806537L (h) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3004809A1 (de) * | 1980-02-09 | 1981-08-20 | Robert Bosch Gmbh, 7000 Stuttgart | Hauptscheinwerfer fuer kraftfahrzeuge |
| DE3113964C2 (de) * | 1981-04-07 | 1984-02-23 | Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt | "Innenleuchte für Fahrzeuge" |
| EP0106616B1 (en) * | 1982-10-15 | 1989-05-03 | Carello Lighting Plc | Road vehicle headlamp |
| FR2536502B1 (fr) * | 1982-11-19 | 1987-01-09 | Cibie Projecteurs | Projecteur de croisement pour vehicule automobile |
| FR2542422B1 (fr) * | 1983-03-08 | 1985-08-23 | Cibie Projecteurs | Projecteur d'automobile a glace inclinee munie d'elements optiques redresseurs |
| FR2583139B1 (fr) * | 1985-06-07 | 1989-02-03 | Cibie Projecteurs | Projecteur de croisement pour vehicule automobile |
| DE3531224A1 (de) * | 1985-08-31 | 1987-03-05 | Bosch Gmbh Robert | Scheinwerfer fuer abblendlicht oder nebellicht von kraftfahrzeugen |
| DE3531221C2 (de) * | 1985-08-31 | 1994-04-07 | Bosch Gmbh Robert | Abblendlichtscheinwerfer für Kraftfahrzeuge |
| EP0221416B1 (de) * | 1985-11-07 | 1995-09-27 | Robert Bosch Gmbh | Scheinwerfer für Abblendlicht oder Nebellicht von Kraftfahrzeugen |
| DE3540130C1 (de) * | 1985-11-13 | 1987-04-02 | Hella Kg Hueck & Co | Scheinwerfer fuer Kraftfahrzeuge |
| JPH0658761B2 (ja) * | 1988-11-08 | 1994-08-03 | 株式会社小糸製作所 | 前照灯用反射鏡 |
| US5023758A (en) * | 1989-11-13 | 1991-06-11 | General Electric Company | Single arc discharge headlamp with light switch for high/low beam operation |
| CN1117000A (zh) * | 1994-08-18 | 1996-02-21 | 李建民 | 汽车防眩远光前照明灯 |
| JPH09237504A (ja) * | 1996-02-23 | 1997-09-09 | Patent Treuhand Ges Elektr Gluehlamp Mbh | 下向き及び上向きライト用自動車前照灯 |
| DE102005031812A1 (de) * | 2005-07-06 | 2007-01-18 | Hella Kgaa Hueck & Co. | Scheinwerfer für Fahrzeuge |
| CN102099618B (zh) * | 2008-04-04 | 2017-03-29 | 皇家飞利浦电子股份有限公司 | 用于前照灯的投影模块 |
| FR3071071B1 (fr) * | 2017-09-11 | 2023-03-17 | Valeo Vision | Lentille de fresnel avec angle de depouille variable |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1556158A (en) * | 1920-11-09 | 1925-10-06 | Harry M Patch | Headlight lens |
| US1927285A (en) * | 1932-02-04 | 1933-09-19 | Albert C Hurrell | Glare eliminator |
| US2294007A (en) * | 1940-08-01 | 1942-08-25 | K D Lamp Company | Auto lamp |
| US2558422A (en) * | 1948-08-27 | 1951-06-26 | Leo Nickolas M De | Antiglare lens with a central reticulated area and differently reticulated surrounding area |
| US3136914A (en) * | 1960-02-01 | 1964-06-09 | Gen Electric | Vehicle headlamp and filament shield therefor |
| US3749906A (en) * | 1972-03-13 | 1973-07-31 | Wagner Electric Corp | Vehicle headlamp shield |
| FR2182615B1 (h) * | 1972-03-20 | 1974-10-18 | Sev Marchal | |
| US3796886A (en) * | 1973-05-18 | 1974-03-12 | Ervin J | Radiant energy reflectors |
| US4142229A (en) * | 1977-05-23 | 1979-02-27 | Hulbert Jr Clarence E | Method of shaping a lamp beam |
-
1977
- 1977-07-01 FR FR7720338A patent/FR2396240A1/fr active Granted
-
1978
- 1978-06-02 SE SE7806537A patent/SE7806537L/xx unknown
- 1978-06-21 US US05/917,756 patent/US4238817A/en not_active Expired - Lifetime
- 1978-06-22 JP JP7493578A patent/JPS5415378A/ja active Granted
- 1978-06-27 ES ES471152A patent/ES471152A1/es not_active Expired
- 1978-06-28 GB GB7828113A patent/GB2000582B/en not_active Expired
- 1978-06-28 AR AR272741A patent/AR222153A1/es active
- 1978-06-29 BR BR7804174A patent/BR7804174A/pt unknown
- 1978-06-30 IT IT25161/78A patent/IT1096883B/it active
- 1978-06-30 DE DE2828856A patent/DE2828856C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BR7804174A (pt) | 1979-04-17 |
| US4238817A (en) | 1980-12-09 |
| DE2828856A1 (de) | 1979-02-15 |
| FR2396240A1 (fr) | 1979-01-26 |
| JPS5415378A (en) | 1979-02-05 |
| GB2000582A (en) | 1979-01-10 |
| FR2396240B1 (h) | 1981-05-08 |
| SE7806537L (sv) | 1979-01-02 |
| GB2000582B (en) | 1982-01-27 |
| ES471152A1 (es) | 1979-01-16 |
| IT1096883B (it) | 1985-08-26 |
| DE2828856C2 (de) | 1982-10-28 |
| AR222153A1 (es) | 1981-04-30 |
| IT7825161A0 (it) | 1978-06-30 |
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