Automatic range containment system

Details Automatic range containment system Automatic range containment system

1980-05-27

1981-12-29

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

356 5, G01S 1370, G01S 1766

Patent

active

043085377

ABSTRACT:
The present invention discloses an automatic range containment system for e in an electric/optical or electromagnetic active "radar" type sensor to discriminate against background obstructions within a sensor field of view. The system comprises an intrusion timer initiated by a signal received from a target sensor; a containment interval timer initiated by a turn-on pulse; a transmitter oscillator in combination with a clock generating pulses; a range containment timer initiated by the pulses; a range set-back timer in combination with a range gate and a gate; a range counter for counting and totalling a signal passed through the gate; and a digital-to-analog converter converting the signal from the range counter to the range containment timer providing a range control causing the system to reduce operational range if the background obstructions appear within the sensor's field of view.

REFERENCES:
patent: 3666367 (1972-05-01), Farnsworth et al.
patent: 3900261 (1975-08-01), Wingate
patent: 4117482 (1978-09-01), Jepsky et al.

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