Method and apparatus for vehicle guidance

• US 3,113,306 A
• Filed: 08/01/1960
• Issued: 12/03/1963
• Est. Priority Date: 08/01/1960
• Status: Expired due to Term

• Current Assignee: Ben R. Gardner
• Original Assignee: Ben R. Gardner
• Inventors: Gardner, Ben R.
• Application Number:
  US04/047,346
• Time in Patent Office: 1,219 Days
• US Class Current: 342/64
• CPC Class Codes: G05D 1/0676 specially adapted for landing

Claims

1. APPARATUS FOR DETERMINING DEVIATIONS IN THE POSITION OF A FIRST BODY MOVING ALONG A PREDETERMINED PATH WITH RESPECT TO A SECOND BODY, COMPRISING, IN COMBINATION, MEANS CAUSING SAID SECOND BODY TO RADIATE A SIGNAL THEREFROM, A RECEIVER IN SAID FIRST BODY ADAPTED TO RECEIVE A PORTION OF THE SIGNAL FROM THE SECOND BODY, SAID RECEIVED SIGNAL INCLUDING A DOPPLER FREQUENCY SIGNAL RESULTING FROM THE RELATIVE MOVEMENT BETWEEN SAID BODIES, SIGNAL STORAGE MEANS IN SAID FIRST BODY FOR STORING SIGNALS CORRESPONDING IN FREQUENCY TO THE DOPPLER FREQUENCY SIGNALS THAT WOULD BE RECEIVED BY SAID FIRST BODY IF TRAVELING SAID PATH WITH A PREDETERMINED RELATIVE VELOCITY WITH RESPECT TO SAID SECOND BODY, AND MEANS FOR COMPARING THE FREQUENCIES OF SAID RECEIVED SIGNAL AND SAID STORED SIGNAL TO THEREBY MEASURE DEVIATIONS IN POSITION OF SAID FIRST BODY WITH RESPECT TO SAID PATH.