FR2449556A1 - Dispositif permettant de faire varier l'intensite lumineuse des projecteurs d'un vehicule - Google Patents

Dispositif permettant de faire varier l'intensite lumineuse des projecteurs d'un vehicule

Info

Publication number
FR2449556A1
FR2449556A1 FR7904787A FR7904787A FR2449556A1 FR 2449556 A1 FR2449556 A1 FR 2449556A1 FR 7904787 A FR7904787 A FR 7904787A FR 7904787 A FR7904787 A FR 7904787A FR 2449556 A1 FR2449556 A1 FR 2449556A1
Authority
FR
France
Prior art keywords
ambient light
vehicle
control
photocell
lights
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.)
Withdrawn
Application number
FR7904787A
Other languages
English (en)
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.)
GUINAMARD MAURICE
Original Assignee
GUINAMARD MAURICE
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 GUINAMARD MAURICE filed Critical GUINAMARD MAURICE
Priority to FR7904787A priority Critical patent/FR2449556A1/fr
Publication of FR2449556A1 publication Critical patent/FR2449556A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2603Attenuation of the light according to ambient luminiosity, e.g. for braking or direction indicating lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

DISPOSITIF PERMETTANT LA MODIFICATION DE L'INTENSITE LUMINEUSE DES PROJECTEURS D'UN VEHICULE PAR L'ACTION DE LA LUMIERE AMBIANTE OU D'UN FLUX LUMINEUX. LE DISPOSITIF COMPREND UN COMPOSANT PHOTO-SENSIBLE, QUI SOUS L'EFFET DE LA LUMINOSITE AMBIANTE OU D'UN FLUX LUMINEUX, EMET UN COURANT ELECTRIQUE QUI TRANSMET AUTOMATIQUEMENT, A PARTIR D'UNE INTENSITE DETERMINEE UNE COMMANDE QUI MODIFIE INSTANTANEMENT L'INTENSITE LUMINEUSE DES PROJECTEURS. L'INVENTION PEUT ETRE UTILISEE POUR LA SIGNALISATION DES VEHICULES A LA TOMBEE DE LA NUIT; POUR LA CIRCULATION NOCTURNE, POUR REDUIRE L'INTENSITE DES PROJECTEURS D'UN VEHICULE, PAR L'ACTION DU FLUX LUMINEUX DES PHARES D'UN AUTRE VEHICULE.
FR7904787A 1979-02-23 1979-02-23 Dispositif permettant de faire varier l'intensite lumineuse des projecteurs d'un vehicule Withdrawn FR2449556A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7904787A FR2449556A1 (fr) 1979-02-23 1979-02-23 Dispositif permettant de faire varier l'intensite lumineuse des projecteurs d'un vehicule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7904787A FR2449556A1 (fr) 1979-02-23 1979-02-23 Dispositif permettant de faire varier l'intensite lumineuse des projecteurs d'un vehicule

Publications (1)

Publication Number Publication Date
FR2449556A1 true FR2449556A1 (fr) 1980-09-19

Family

ID=9222427

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7904787A Withdrawn FR2449556A1 (fr) 1979-02-23 1979-02-23 Dispositif permettant de faire varier l'intensite lumineuse des projecteurs d'un vehicule

Country Status (1)

Country Link
FR (1) FR2449556A1 (fr)

Similar Documents

Publication Publication Date Title
JPS52109382A (en) Method and device for controlling laser light output intensity
SE8304226D0 (sv) Signalleuchtenaggregat fur kraftfahrzeuge
ATE24249T1 (de) Signalanzeige.
SE8206122L (sv) Spennanordning
JPS5320923A (en) Thermodevelopable light sensitive material
DE3069366D1 (en) Light source device for an endoscope
DE3162147D1 (en) Photographing apparatus for an endoscope
FR2449556A1 (fr) Dispositif permettant de faire varier l'intensite lumineuse des projecteurs d'un vehicule
SE7800922L (sv) Sett och anordning for reglering av en angturbinanleggning
GB1284749A (en) Improvements in and relating to photographic cameras
JPS53105992A (en) Stabilizing circuit for lumious element output
JPS5437485A (en) Output stabilizing method for semiconductor laser
JPS52127114A (en) Muting circuit
JPS5370479A (en) Photo agc system
JPS56100575A (en) Television camera device
SE7706624L (sv) Optoelektronisk anordning samt sett for dess tillverkning
JPS5299873A (en) Photoelectric smoke sensor
JPS5218384A (en) Photometric device
GB1342273A (en) Photographic camera
JPS5413391A (en) Smoke sensor
JPS53125076A (en) Dynamic characteristic measuring circuit
JPS5326648A (en) Abnormal amplitude limiter and its detection/dispaly circuit
ATE27394T1 (de) Vorrichtung zum automatischen schalten und regeln einer raumbeleuchtung.
SU661645A1 (ru) Устройство дл регулировани ркости изображени на выходе усилител ркости
SE420537B (sv) Pyroteknisk lyssats for lys- och signalammunition samt anvendning av densamma i sparljusammunition

Legal Events

Date Code Title Description
ST Notification of lapse