Kowalyshyn Stephen (Ellicott City MD) Voorhees John C. (Baltimore MD)
출원인 / 주소
The United States of America as represented by the Secretary of the Navy (Washington DC 06)
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초록▼
2. In an echo-ranging torpedo wherein spurious and true-target echo signals may be received in the listening periods between repetitive search-pulse transmission instants, in combination: a receiver operative to convert received echo signals to steering command signals having characteristics corresp
2. In an echo-ranging torpedo wherein spurious and true-target echo signals may be received in the listening periods between repetitive search-pulse transmission instants, in combination: a receiver operative to convert received echo signals to steering command signals having characteristics corresponding to echo-source direction, said receiver including a target-recognition circuit and a gating relay which operates, with inherent delay, in response to recognition of each true-target echo signal; a steering control circuit, including steering relay and switch means, adapted to place said steering relay and switch means in a condition corresponding to echo-source direction as derived by said steering control circuit, when operative, from said steering command signals; means applying said steering command signals to said steering control circuit; means controlled by operation of said gating relay, in response to each reception and recognition of a true-target echo signal, to render said steering control circuit operative to respond to steering command signals stemming from subsequent echo signals during a predetermined interval, of the order of a few listening periods, following each said reception and recognition of a true-target echo signal, and steering apparatus responsive, when rendered effective, to said steering relay and switch means condition; said gating relay, when operated, controlling said steering apparatus to render it effective to respond to said steering relay and switch means condition.
대표청구항▼
In an echo-ranging torpedo wherein spurious and true-target echo signals may be received in the listening periods between repetitive search-pulse transmission instants, in combination: a receiver operative to convert received echo signals to steering command signals having characteristics correspond
In an echo-ranging torpedo wherein spurious and true-target echo signals may be received in the listening periods between repetitive search-pulse transmission instants, in combination: a receiver operative to convert received echo signals to steering command signals having characteristics corresponding to echo-source direction, said receiver including a target-recognition circuit and a gating relay which operates, with inherent delay, in response to recognition of each true-target echo signal; a steering control circuit, including steering relay and switch means, adapted to place said steering relay and switch means in a condition corresponding to echo-source direction as derived by said steering control circuit, when operative, from said steering command signals; means applying said steering command signals to said steering control circuit; means controlled by operation of said gating relay, in response to each reception and recognition of a true-target echo signal, to render said steering control circuit operative to respond to steering command signals stemming from subsequent echo signals during a predetermined interval, of the order of a few listening periods, following each said reception and recognition of a true-target echo signal, and steering apparatus responsive, when rendered effective, to said steering relay and switch means condition; said gating relay, when operated, controlling said steering apparatus to render it effective to respond to said steering relay and switch means condition.
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이 특허를 인용한 특허 (1)
Hagelberg Allen C. (Diamond Bar CA) Allardt Clark E. (Claremont CA) Lobitz Walter A. (Westwood CA) Thornburg Robert O. (Blue Jay CA) Zimmerman George F. (Diamond Bar CA) Letterman Gary L. (Alta Loma , Undersea weapon with hydropulse system and periodical seawater admission.
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