FR712635A - Device for automatically dimming the headlights of an automobile - Google Patents

Device for automatically dimming the headlights of an automobile

Info

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
Application number
Other languages
French (fr)
Inventor
Rudolph Loewenstein
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 filed Critical
Application granted granted Critical
Publication of FR712635A publication Critical patent/FR712635A/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
    • B60Q2300/40—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)
FR712635D 1930-03-05 1931-03-04 Device for automatically dimming the headlights of an automobile Expired FR712635A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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