Apparatus for controlling headlights by counterlight

• US 3,316,442 A
• Filed: 12/13/1965
• Issued: 04/25/1967
• Est. Priority Date: 03/27/1958
• Status: Expired due to Term

• Current Assignee: Konrad Zuse
• Original Assignee: Konrad Zuse
• Inventors: KONRAD ZUSE
• Application Number:
  US04/513,408
• Time in Patent Office: 498 Days
• US Class Current: 315/83
• 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 2300/056 Special anti-blinding beams, e.g. a standard beam is chopped or moved in order not to blind
• CPC Class Codes: B60Q 2300/42 oncoming vehicle
• CPC Class Codes: F21S 41/695 Screens rotating around a vertical axis rotating flaps F21S41/689
• CPC Class Codes: G01M 11/061 Details of the mechanical construction of the light measuring system G01M11/064 takes precedence

Claims

1. APPARATUS FOR DIRECTING AN ILLUMINATING BEAM IN AN AHEAD DIRECTION FROM A MOVABLE VEHICLE WHICH COMPRISES A FIRST, POLYGONAL MIRROR FOR SCANNING AN AHEAD POSITIONED ANGULAR SECTOR FOR SELECTIVELY DIRECTING LIGHT RECEIVED FROM SAID SECTOR IN RESPONSE TO THE DIRECTION OF RECEIPT, MOUNTING MEANS FOR SAID MIRROR FOR ENABLING ROTATION THEREOF ABOUT AN AXIS POSITIONED VERTICALLY WITH RESPECT TO SAID AHEAD DIRECTION, A PHOTOCELL POSITIONED IN RECEIVING RELATION WITH LIGHT REFLECTED FROM SAID MIRROR FOR GENERATING A CONTROL SIGNAL IN RESPONSE TO LIGHT RECEIVED FROM SAID MIRROR, AN ARRAY OF PLURAL DIRECTIVE LIGHT SOURCES FOR DISPOSITION ON SAID VEHICLE FOR COLLECTIVELY GENERATING AN ILLUMINATING BEAM IN SAID AHEAD DIRECTION WHEN ENERGIZED, ROTATABLE SWITCHING MEANS, SAID LAST NAMED MEANS HAVING MOUNTING MEANS FOR ROTATION IN RELATION WITH SAID MIRROR, CONNECTING MEANS FOR SELECTIVELY ENERGIZING THE LIGHT SOURCES OF SAID ARRAY IN RESPONSE TO THE ROTARY POSITIONING OF SAID ROTATABLE SWITCH MEANS AND TO THE COOPERATIVE OCCURRENCE OF SAID CONTROL SIGNAL.