Motor vehicle control system

• US 3,085,646 A
• Filed: 07/25/1960
• Issued: 04/16/1963
• Est. Priority Date: 07/25/1960
• Status: Expired due to Term

• Current Assignee: Eldred H. Paufve
• Original Assignee: Eldred H. Paufve
• Inventors: Paufve, Eldred H.
• Application Number:
  US04/045,138
• Time in Patent Office: 995 Days
• US Class Current: 180/168
• CPC Class Codes: G05D 1/0261 using magnetic plots

Claims

9. A PROXIMITY WARNING SYSTEM FOR USE IN CONJUNCTION WITH A ROAD COMPRISING INDIVIDUAL MAGNETOSTRICTIVE MECHANICALLY RESONANT MAGNETIC MEANS BEING SPACED ALONG AT LEAST ONE LANE OF SAID ROAD, A MAGNET MEMBER BEING IN A FIRST VEHICLE TO CAUSE SAID MAGNETOSTRICTIVE MEMBERS TO RESONATE UPON PASSAGE OF SAID FIRST VEHICLE MAGNET MEMBER THEREOVER, MAGNET MEANS IN A SECOND VEHICLE PLACED IN A POSITION TO PASS IN CLOSE PROXIMITY WITH SAID MAGNETOSTRICTIVE MAGNETIC MEMBERS AS SAID SECOND VEHICLE MOVES ALONG SAID LANE, AT WHICH TIME SAID SECOND VEHICLE MAGNET MEANS AND SAID MAGNETOSTRICTIVE MAGNETIC MEMBERS ARE MAGNETICALLY COUPLED PRODUCING A MAGNETIC SIGNAL IN SAID SECOND VEHICLE MAGNET MEANS CORRESPONDING TO THE VIBRATION CHARACTERISTICS OF SAID MAGNETOSTRICTIVE MEMBERS, MEANS IN SAID SECOND VEHICLE TO TRANSLATE SAID SECOND VEHICLE MAGNETIC SIGNAL TO A WARNING OF THE PROXIMITY OF SAID FIRST VEHICLE.