Research/Patents/US 4851849
US 4851849

INTERROGATION-ANSWERING SYSTEM WITH A PRIMARY RADAR

Assignee

Filed

Nov 11, 1974

Granted

Jul 25, 1989

Location

DE

Abstract

An interrogation-answering system is employed in conjunction with a primary radar wherein a single joint transmitter is utilized both for generating the interrogation signals and the simple primary radar signals.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Nov 6, 1981

Rescinded

Nov 9, 1988

Duration

7 years

Inventor

  • 1OTTO ALBERSDOERFER

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