Fully automatic control device for illuminating lamps of motor vehicles

• US 3,283,161 A
• Filed: 09/05/1963
• Issued: 11/01/1966
• Est. Priority Date: 09/08/1962
• Status: Expired due to Term

• Current Assignee: Eiichi Takada, Michio Yashima, SUSUMU UBUKATA, Takeo Ito
• Original Assignee: Eiichi Takada, Michio Yashima, SUSUMU UBUKATA, Takeo Ito
• Inventors: SUSUMU UBUKATA, MICHIO YASHIMA, TAKEO ITO, EIICHI TAKADA
• Application Number:
  US04/306,916
• Time in Patent Office: 1,153 Days
• US Class Current: 250/214.00D
• CPC Class Codes: B60Q 1/1423 Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
• CPC Class Codes: B60Q 2300/116 Vehicle at a stop
• CPC Class Codes: B60Q 2300/314 Ambient light
• CPC Class Codes: B60Q 2300/42 oncoming vehicle

Claims

1. A FULLY AUTOMATIC CONTROL SYSTEM FOR LIGHTING LAMPS OF A VEHICLE, INCLUDING MAIN AND AUXILIARY HEAD LAMPS, SIDE LAMPS AND TAIL LAMPS, WHICH COMPRISES, IN COMBINATION, A FIRST PHOTOCELL-CONTROLLED DEVICE;

A FIRST PHOTOCELL RESPONSIVE TO A PREDETERMINED NIGHTTIME ILLUMINATION INTENSITY VALUE CONNECTED TO SAID DEVICE;

A SECOND PHOTOCELLCONTROL DEVICE;

A SECOND AN THIRD PHOTOCELL CONNECTED TO SAID SECOND DEVICE;

SAID SECOND PHOTOCELL RESPONDING TO A PREDETERMINED TWILIGHT ILLUMINATION VALUE, AND SAID THIRD PHOTOCELL RESPONDING TO A PREDETERMINED ILLUMINATION VALUE PRODUCED BY ON-COMING CARS;

A BATTERY;

ELECTRIC POWER CIRCUITS, FED BY SAID BATTERY, FOR SAID DEVICES;

MEANS FOR CONTROLLING SAID SECOND DEVICE BY SAID FIRST DEVICE AND, RESPONDING TO A VALUE LOWER THAN SAID PREDETERMINE TWILIGHT ILLUMIMATION INTENSITY, LIGHTING SAID SIDE TAIL LAMPS;

RESPONDING T A VALUE LOWER THAN SAID PREDETEMINED NIGHTTIME ILLUMINATION INTENSITY, CONTINUOUSLY LIGHTING SAID TAIL LAMPSF RESPONDING TO A LOWER VALUE THAN THE PREDETERMINED ILLUMINATION INTENSITY OF ONCOMING CARS, LIGHTING THE MAIN HEAD LAMPS;

AND, RESPONDING TO A HIGHER VALUE THAN THE PREDETERMINED ILLUMINATION INTENSITY OF ON-COMING CARS, LIGHTING THE AUXILIARY HEAD LAMPS.