Dual beam sonar display system

Communications: electrical – Selective – Monitoring in addition to control

Patent

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Details

340 3C, 343 5SC, G01S 968, G01S 762

Patent

active

040471470

ABSTRACT:
Docking sonar uses first and second fan-shaped beams sequentially scanning a target zone in mutually perpendicular directions. Target returns from one beam scan are compared with target returns from the other beam scan and the results are placed into a storage medium such as a video disc and then displayed on a conventional TV monitor, with brightness of the target on the display being an indication of target range.

REFERENCES:
patent: 3914730 (1975-10-01), Jones et al.
patent: 4003015 (1977-01-01), Pipkin

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