Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding
Patent
1959-08-11
1981-03-10
Farley, Richard A.
Communications, electrical: acoustic wave systems and devices
Echo systems
Distance or direction finding
367 96, 367125, 367156, G01S 1506
Patent
active
042558000
ABSTRACT:
2. In a combination, a transducer for an underwater object locator comprising a plurality of radiating elements, each element comprising a magnetostrictive member having a plurality of separate windings thereon, a first winding of each of said elements being connected in series for radiating a signal, a second winding of a first one-half of said elements being connected in series to form a first channel for receiving reflected signals, corresponding second windings of the other half of said elements being connected in series to form a second channel for receiving reflected signals, means responsive to the difference in amplitude of signals in said channels to provide azimuth information of a reflecting object, and means responsive to the difference in phase of signals in said channels to provide elevation information of such object.
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Aeronautical Engineering Review, vol. 11, No. 5, May 1952, pp. 71-73.
Farley Richard A.
General Electric Company
Richwine Francis K.
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