Research/Patents/US 6215440
US 6215440

EMITTER IDENTIFICATION FROM RADIO SIGNALS USING KEYCLICK ALGORITHM

Assignee

GTE GOVERNMENT SYSTEMS CORPORATION

Filed

Dec 7, 1990

Granted

Apr 10, 2001

Location

GAITHERSBURG MD US

35 USC §181 Secrecy Order

Imposed

May 31, 1991

Rescinded

Aug 2, 2000

Duration

9 years, 2 months

Inventor

  • 1TIMOTHY A. GELDART
Back to patent indexSource: USPTO 35 USC §181 secrecy order records