FR2688599B1 - - Google Patents
Info
- Publication number
- FR2688599B1 FR2688599B1 FR9304753A FR9304753A FR2688599B1 FR 2688599 B1 FR2688599 B1 FR 2688599B1 FR 9304753 A FR9304753 A FR 9304753A FR 9304753 A FR9304753 A FR 9304753A FR 2688599 B1 FR2688599 B1 FR 2688599B1
- Authority
- FR
- France
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/02—Refractors for light sources of prismatic shape
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3352000A JP2700970B2 (ja) | 1991-12-14 | 1991-12-14 | 車輌用灯具のレンズ及びその金型作製方法 |
| FR929215025A FR2685095B1 (fr) | 1991-12-14 | 1992-12-14 | Lentille pour une lampe et procede de fabrication d'une matrice pour cette lentille. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2688599A1 FR2688599A1 (fr) | 1993-09-17 |
| FR2688599B1 true FR2688599B1 (US07345094-20080318-C00047.png) | 1994-08-19 |
Family
ID=26229948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9304753A Granted FR2688599A1 (fr) | 1991-12-14 | 1993-04-22 | Lentille pour lampe a echelons de fresnel ou a echelons de prisme. |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2688599A1 (US07345094-20080318-C00047.png) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1211618B (it) * | 1987-12-22 | 1989-11-03 | Fiat Auto Spa | Fanale retronebbia per autoveicoli |
| US4927248A (en) * | 1988-04-08 | 1990-05-22 | Koito Manufacturing Co., Ltd. | Vehicle lamp lens having Fresnel lens |
-
1993
- 1993-04-22 FR FR9304753A patent/FR2688599A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2688599A1 (fr) | 1993-09-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |
Effective date: 20081020 |