Lightweight radar equipment

• US 3,277,472 A
• Filed: 01/14/1965
• Issued: 10/04/1966
• Est. Priority Date: 01/14/1965
• Status: Expired due to Term

• Current Assignee: Jacques H. Pessin, Maurice J. Gelpi
• Original Assignee: Jacques H. Pessin, Maurice J. Gelpi
• Inventors: Gelpi, Maurice J., Pessin, Jacques H.
• Application Number:
  US04/425,646
• Time in Patent Office: 628 Days
• US Class Current: 342/178
• CPC Class Codes: G01S 7/02 of systems according to group G01S13/00
• CPC Class Codes: H01Q 1/081 Inflatable antennas

Claims

1. IN A LIGHTWEIGHT RADAR APPARATUS SUPPORT MEANS;

RADAR RECEIVING MEANS MOUNTED ON SAID SUPPORT MEANS FOR ROTATING ABOUT A PREDETERMINED AXIS;

SAID RECEIVING MEANS HAVING A CATHODE RAY TUBE MOUNTED FOR ROTATING THEREWITH AND ADAPTED TO PRESENT RECEIVE OUTPUT AS A SWEEP ALONG A SINGLE AXIS OF THE TUBE NORMAL TO AND ORIGINATING AT SAID PREDETERMINED AXIS;

A LIGHT SENSITIVE PHOSPHORESCENT SCREEN MOUNTED ON SAID SUPPORT MEANS;

AND MEANS FOR PROJECTING AN IMAGE OF SAID SWEEP ON SAID SCREEN WHEREBY SAID IMAGE SCANS SAID SCREEN UPON SAID ROTATION TO PROVIDE A P.P.I. PRESENTATION.

5. RADAR APPARATUS COMPRISING:

A TUBULAR MAST;

MEANS FOR SECURING SAID MAST IN A VERTICAL POSITION;

ANNULAR BEARING MEANS AT THE UPPER END OF SAID MAST;

RADAR TRANSMITTER AND RECEIVER MEANS HAVING A MAJOR PORTION EXTENDING THROUGH SAID ANNULAR BEARING MEANS INTO THE INTERIOR OF SAID MAST AND SUPPORTED BY SAID ANNULAR BEARING MEANS FOR ROTATION ABOUT A VERTICAL AXIS;

ANTANNA MEANS MOUNTED OVER SAID TRANSMITTER AND RECEIVE MEANS FOR ROTATION THEREWITH AS A UNIT;

SLIP RING AND BRUSH MEANS DISPOSED BETWEEN SAID MAST AND SAID TRANSMITTER AND RECEIVER MEANS FOR SUPPLYING ELECTRIC POWER THERETO DURING SAID ROTATION;

AND DRIVE MEANS FOR EFFECTING SAID ROTATION.