Research/Patents/US 5303208
US 5303208Tier 1 — UAP Program Assignee

SIDE LOOKING SONAR TRANSDUCER

Assignee

Northrop

Filed as: NORTHROP GRUMMAN CORPORATION

Filed

Dec 31, 1969

Granted

Apr 12, 1994

Location

1840 CENTURY PARK EAST, LOS ANGELES CALIFORNIA 90067

Abstract

A side looking sonar transducer having a plurality of active elements forming an elongated active radiating, or receiving surface wherein the active elements at the ends of the transducer have a lesser depression angle than the active elements at the middle. This arrangement provides an energy distribution which allows for a greater depth of focus.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Aug 26, 1982

Rescinded

Apr 23, 1993

Duration

10 years, 8 months

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records