FR712635A - Device for automatically dimming the headlights of an automobile - Google Patents
Device for automatically dimming the headlights of an automobileInfo
- Publication number
- FR712635A FR712635A FR712635DA FR712635A FR 712635 A FR712635 A FR 712635A FR 712635D A FR712635D A FR 712635DA FR 712635 A FR712635 A FR 712635A
- Authority
- FR
- France
- Prior art keywords
- headlights
- automobile
- automatically dimming
- dimming
- automatically
- 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
- B60Q2300/42—Indexing codes relating to other road users or special conditions oncoming vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE712635X | 1930-03-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR712635A true FR712635A (en) | 1931-10-06 |
Family
ID=6622431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR712635D Expired FR712635A (en) | 1930-03-05 | 1931-03-04 | Device for automatically dimming the headlights of an automobile |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR712635A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE933015C (en) * | 1950-10-21 | 1955-09-15 | Manfred Mucha | Circuit arrangement for automatic dimming of the headlights of motor vehicles |
-
1931
- 1931-03-04 FR FR712635D patent/FR712635A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE933015C (en) * | 1950-10-21 | 1955-09-15 | Manfred Mucha | Circuit arrangement for automatic dimming of the headlights of motor vehicles |
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