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FR808453A - Device for automatically switching on the headlights of a vehicle - Google Patents

Device for automatically switching on the headlights of a vehicle

Info

Publication number
FR808453A
FR808453A FR808453DA FR808453A FR 808453 A FR808453 A FR 808453A FR 808453D A FR808453D A FR 808453DA FR 808453 A FR808453 A FR 808453A
Authority
FR
France
Prior art keywords
headlights
vehicle
automatically switching
switching
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PARISIENNE POUR L IND DES CHEM
Original Assignee
PARISIENNE POUR L IND DES CHEM
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PARISIENNE POUR L IND DES CHEM filed Critical PARISIENNE POUR L IND DES CHEM
Application granted granted Critical
Publication of FR808453A publication Critical patent/FR808453A/en
Expired legal-status Critical Current

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
    • B60Q2300/30—Indexing codes relating to the vehicle environment
    • B60Q2300/31—Atmospheric conditions
    • B60Q2300/314—Ambient light

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR808453D 1935-10-24 1935-10-24 Device for automatically switching on the headlights of a vehicle Expired FR808453A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR808453T 1935-10-24

Publications (1)

Publication Number Publication Date
FR808453A true FR808453A (en) 1937-02-08

Family

ID=9252962

Family Applications (1)

Application Number Title Priority Date Filing Date
FR808453D Expired FR808453A (en) 1935-10-24 1935-10-24 Device for automatically switching on the headlights of a vehicle

Country Status (1)

Country Link
FR (1) FR808453A (en)

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