Research/Patents/US 4985874
US 4985874

SOLID STATE SEQUENCING SWITCH

Assignee

Filed

Apr 26, 1971

Granted

Jan 15, 1991

Location

INDIANAPOLIS IN US

Abstract

A combination of integrated circuit (IC) flatpacs used in combination to tch selected sonar microphone inputs from a circular receiving array to position a beam containing a sounding target intermediate to an equal number of left and right microphone pickups and selectively switching through weighted delay circuits for beam forming to present the target in this receiving beam electronically on a flat display with digital control of "coarse" seven and one-half degrees and "fine" one-tenth degree increments to provide a display of the bearing of the target.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Oct 28, 1981

Rescinded

Sep 20, 1990

Duration

8 years, 10 months

Inventor

  • 1EUGENE R. ROESCHLEIN

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