Radar system
US4392137A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1980 |
| Grant date | Jul 5, 1983 |
| Priority date | — |
| Expiry date | Dec 22, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S7/12
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A radar system for continuously displaying target returns on a conventional television receiver. The radar includes a console connected to a rotating scanner unit through conventional slip rings. The scanner unit contains a radar antenna coupled to a receiver and transmitter, and a power supply generating a multitude of high-voltage and circuit supply voltages from AC power. A position transducer measures the rotary position of the scanner unit and triggers the transmitter as the scanner unit rotates. The return signal is thresholded to generate a video data signal, portions of which are sequentially stored in separate memory locations, each corresponding to a respective range. The set of video data in memory thus corresponds to targets within a predetermined range in a single direction. A processing unit then reads the video data, calculates the displayed position of the targets on the television receiver, and reads the display data into a display memory along with cursor, range marker, and alarm ring information. A light pen interfaces with the processing unit to set the positions of the cursor and alarm rings. The display memory thus contains a record of all illuminated points o…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.