IP Library Granted Patent US 4,290,140
Granted Patent Utility
US 4,290,140 · App. 06/050,795

Combined coherent frequency and phase shift keying modulation system

Inventor: Robert E. Malm
Patented Case View Patent ↗
Granted: Sep 15, 1981 Filed: Jun 21, 1979
Inventor
Robert E. Malm
Assignee (at issue)
Northrop Corporation

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Quick Facts
Patent No.
US 4,290,140
App. No.
06/050,795
Filed
1979-06-21
Granted
1981-09-15
Kind
A