Velocity determining device

• US 3,122,740 A
• Filed: 01/10/1957
• Issued: 02/25/1964
• Est. Priority Date: 01/10/1957
• Status: Expired due to Term

• Current Assignee: John Mcconnell, William P. Kruse
• Original Assignee: John Mcconnell, William P. Kruse
• Inventors: Kruse, William P., Mcconnell, John
• Application Number:
  US03/633,432
• Time in Patent Office: 2,602 Days
• US Class Current: 342/66
• CPC Class Codes: G01S 13/92 for velocity measurement

Claims

1. APPARATUS FOR DETECTING AND RECORDING THE SPEED OF A MOVING OBJECT COMPRISING MEANS FOR RADIATING AN ALTERNATING SIGNAL, MEANS FOR RECEIVING SUCH SIGNAL AS REFLECTED FROM SUCH MOVING OBJECT, MEANS FOR PRODUCING AN OUTPUT SIGNAL HAVING A CHARACTERISTIC OF VALUE PROPORTIONAL TO THE DIFFERENCE IN FREQUENCIES OF SAID RADIATED AND REFLECTED SIGNALS, VISUAL INDICATOR MEANS RESPONSIVE TO SAID OUTPUT SIGNAL FOR INDICATING THE SPEED OF SUCH MOVING OBJECT, COOPERATING ELECTRICAL CONTACTS ACTUATABLE BY OPERATION OF SAID VISUAL INDICATOR MEANS IN RESPONSE TO SAID OUTPUT SIGNAL REACHING A VALUE CORRESPONDING TO A PREDETERMINED SPEED OF SUCH MOVING OBJECT, AND RECORDING MEANS OPERABLE BY SUCH ACTUATION OF SAID ELECTRICAL CONTACTS FOR MAKING A PERMANENT RECORD OF THE SPEED AND IDENTIFICATION OF SUCH MOVING OBJECT.