FR2289841B1 - - Google Patents
Info
- Publication number
- FR2289841B1 FR2289841B1 FR7532677A FR7532677A FR2289841B1 FR 2289841 B1 FR2289841 B1 FR 2289841B1 FR 7532677 A FR7532677 A FR 7532677A FR 7532677 A FR7532677 A FR 7532677A FR 2289841 B1 FR2289841 B1 FR 2289841B1
- 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
Links
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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
- F21S41/135—Polarised
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Polarising Elements (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742450457 DE2450457A1 (en) | 1974-10-24 | 1974-10-24 | POLARIZING HEADLIGHTS |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2289841A1 FR2289841A1 (en) | 1976-05-28 |
FR2289841B1 true FR2289841B1 (en) | 1980-01-04 |
Family
ID=5929012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7532677A Granted FR2289841A1 (en) | 1974-10-24 | 1975-10-24 | POLARIZED AUTOMOBILE HEADLIGHT |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2450457A1 (en) |
FR (1) | FR2289841A1 (en) |
GB (1) | GB1513148A (en) |
IT (1) | IT1043622B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3010266A1 (en) * | 1980-03-18 | 1981-09-24 | Gyözö 7500 Karlsruhe Schubert | Antidazzle system using magnetic compass - rotating optical polarisers of two vehicles approaching each other until orthogonal |
-
1974
- 1974-10-24 DE DE19742450457 patent/DE2450457A1/en active Pending
-
1975
- 1975-05-23 GB GB22478/75A patent/GB1513148A/en not_active Expired
- 1975-10-23 IT IT28622/75A patent/IT1043622B/en active
- 1975-10-24 FR FR7532677A patent/FR2289841A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
IT1043622B (en) | 1980-02-29 |
DE2450457A1 (en) | 1976-05-06 |
GB1513148A (en) | 1978-06-07 |
FR2289841A1 (en) | 1976-05-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |