Research/Patents/US 4972385
US 4972385

TARGET SIZE CLASSIFICATION SYSTEM

Assignee

Filed

Nov 16, 1970

Granted

Nov 20, 1990

Location

PANAMA CITY FL US

Abstract

A sonar system is disclosed having signal analyzing circuitry rendering theystem responsive to objects of a predetermined size. The signal analysis is accomplished by a spectral analysis of the echo signals returned from the objects. In particular, the relative height of adjacent side lobes of echo signals energy returned to the sonar are compared to indicate the size of the object reflecting the signal.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Sep 10, 1982

Rescinded

May 4, 1990

Duration

7 years, 7 months

Inventor

  • 1WILLIS A. TEEL

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