Radar isoecho contour sensitivity gate

• US 3,149,332 A
• Filed: 09/10/1962
• Issued: 09/15/1964
• Est. Priority Date: 09/10/1962
• Status: Expired due to Term

• Current Assignee: John C. Kocher
• Original Assignee: John C. Kocher
• Inventors: Kocher, John C.
• Application Number:
  US04/222,746
• Time in Patent Office: 736 Days
• US Class Current: 342/26.00D
• CPC Class Codes: G01S 13/951 ground based
• CPC Class Codes: Y02A 90/10 Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Claims

1. A WEATHER RADAR COMPRISING MEANS FOR GENERATING AND DIRECTIONALLY RADIATING SUCCESSIVE PULSES OF HIGH FREQUENCY ENERGY AT A CONSTANT PULSE REPETITION INTERVAL, MEANS INCLUDING A HIGHLY SENSITIVE RADAR RECEIVER FOR RECEIVING ECHOES OF SAID RADIATED ENERGY, A CATHODE RAY TUBE INDICATOR COUPLED TO THE OUTPUT OF SAID RECEIVER FOR DISPLAYING SAID ECHOES, RECEIVER GAIN CONTROL MEANS FOR SELECTIVELY ESTABLISHING A MAXIMUM VALUE OF RECEIVER SENSITIVITY AND AN INTERMEDIATE VALUE OF RECEIVER SENSITIVITY, AND MEANS SYNCHRONIZED WITH SAID RADIATED PULSES AND COUPLED TO SAID GAIN CONTROL MEANS FOR HOLDING THE GAIN OF SAID RECEIVER CONSTANT AT SAID MAXIMUM VALUE OF SENSITIVITY DURING EACH OF ONE SET OF ALTERNATE PULSE REPETITION INTERVALS AND CONSTANT AT SAID INTERMEDIATE VALUE OF SENSITIVITY DURING EACH OF THE OTHER SET OF ALTERNATE PULSE REPETITION INTERVALS.