Vehicle speed recording apparatus

• US 3,206,748 A
• Filed: 12/27/1962
• Issued: 09/14/1965
• Est. Priority Date: 12/27/1962
• Status: Expired due to Term

• Current Assignee: William Miller Robert
• Original Assignee: William Miller Robert
• Inventors: WILLIAM MILLER ROBERT
• Application Number:
  US04/247,667
• Time in Patent Office: 992 Days
• US Class Current: 342/66
• CPC Class Codes: G01S 13/92 for velocity measurement
• CPC Class Codes: G08G 1/054 photographing overspeeding vehicles

Claims

1. A VEHICLE SPEED RECORDING APPARTUS COMPRISING A DOPPLER EFFECT RADAR SPEED DETECTING SYSTEM INCLUDING A FREQUENCY MIEASURING DEVICE WHOSE TIME CONSTANT IS OF THE SAME ORDER OF A MAGNITUDE AS THE PERIOD OF THE DOPPLER SIGNAL OF MINIMUM FREQUENCY TO WHICH THE SYSTEM IS TO RESPOND, AND MEANS ACTUATED BY SAID SYSTEM FOR VISUALLY INDICATING SAID MILES PER HOUR, A CAMERA HAVING AUTOMATIC FILM ADVANCE AND SHUTTER CONTROLLING MECHANISM, MEANS IN SAID CAMERA FOCUSING THE SAID MEANS FOR VISUALLY INDICATING SAID MILES PER HOUR ON A PORTION OF THE FILM IN SAID CAMERA AND A RELAY OPERATED MECHANISM FOR ACTUATIN THE SHUTTER OF SAID CAMERA AND ADVANCING SAID FILM IN SAID CAMERA RESPONSIVE IN OPERATION TO SAID FREQUENCY MEASURING DEVICE, AND SECONDARY MEANS IN SAID CAMERA FOR ACTUATING SAID MEANS FOR VISUALLY INDICATING MILES PER HOUR, SAID SECONDARY MEANS COMPRISING A SPEEDOMETER, A RADIO FREQUENCY TRANSMITTER RESPONSIVE IN OPERATION TO SAID FREQUENCY MEASURING DEVICE, A SEPARATE RADIO FREQWUENCY RECEIVER AND A SOURCE OF ILLUMINATION CONTROLLED BY SAID RECEIVER, SAID SOURCE OF ILLUMINATION RESPONSIVE IN OPERATION TO SAID RADIO FREQUENCY RECEIVER.