FR760773A - équipement photoélectrique pour phares d'automobiles - Google Patents
équipement photoélectrique pour phares d'automobilesInfo
- Publication number
- FR760773A FR760773A FR760773DA FR760773A FR 760773 A FR760773 A FR 760773A FR 760773D A FR760773D A FR 760773DA FR 760773 A FR760773 A FR 760773A
- Authority
- FR
- France
- Prior art keywords
- automobile headlights
- photoelectric equipment
- photoelectric
- equipment
- headlights
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/47—Direct command from other road users, i.e. the command for switching or changing the beam is sent by other vehicles or road devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR760773T | 1932-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR760773A true FR760773A (fr) | 1934-03-02 |
Family
ID=9170581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR760773D Expired FR760773A (fr) | 1932-12-05 | 1932-12-05 | équipement photoélectrique pour phares d'automobiles |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR760773A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2921232A (en) * | 1957-04-18 | 1960-01-12 | Itt | Automatic headlight system |
-
1932
- 1932-12-05 FR FR760773D patent/FR760773A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2921232A (en) * | 1957-04-18 | 1960-01-12 | Itt | Automatic headlight system |
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