Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding
Patent
1969-11-28
1980-05-06
Farley, Richard A.
Communications, electrical: acoustic wave systems and devices
Echo systems
Distance or direction finding
367113, 367122, 367155, G01S 968, G01S 384
Patent
active
042020506
ABSTRACT:
This disclosure relates to multi-angular sector sound transmitting and receiving systems embodying stacked pluralities of arrays of transducers and novel scanning arrangements and circuits for enabling the display of the sound-wave reflections emanating from multiple angular sectors upon a novel preferably spirally deflected cathode-ray-tube display system.
REFERENCES:
patent: 3506953 (1970-04-01), Rudy
patent: 3568141 (1971-03-01), Schwarz et al.
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