FR773874A - Improvement in light signaling devices by optical system with photosensitive cell suitable for vehicles or others - Google Patents

Improvement in light signaling devices by optical system with photosensitive cell suitable for vehicles or others

Info

Publication number
FR773874A
FR773874A FR773874DA FR773874A FR 773874 A FR773874 A FR 773874A FR 773874D A FR773874D A FR 773874DA FR 773874 A FR773874 A FR 773874A
Authority
FR
France
Prior art keywords
vehicles
improvement
optical system
signaling devices
photosensitive cell
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
Andre Rio
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 FR773874A publication Critical patent/FR773874A/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
    • B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
FR773874D 1933-08-22 1933-08-22 Improvement in light signaling devices by optical system with photosensitive cell suitable for vehicles or others Expired FR773874A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR773874T 1933-08-22

Publications (1)

Publication Number Publication Date
FR773874A true FR773874A (en) 1934-11-27

Family

ID=9199184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR773874D Expired FR773874A (en) 1933-08-22 1933-08-22 Improvement in light signaling devices by optical system with photosensitive cell suitable for vehicles or others

Country Status (1)

Country Link
FR (1) FR773874A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771594A (en) * 1951-03-01 1956-11-20 Avertisseurs Routiers Silencie Pass-signal device for road vehicles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771594A (en) * 1951-03-01 1956-11-20 Avertisseurs Routiers Silencie Pass-signal device for road vehicles

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