G. Donald Causey

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Chevy Chase, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
ARMA filter and method for designing the same
- Patent number 4,188,667
- Issue date Feb 12, 1980
- Daniel Graupe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and means for adaptively filtering near-stationary noise fro...
- Patent number 4,185,168
- Issue date Jan 22, 1980
- Daniel Graupe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of and means for processing an audio frequency signal to con...
- Patent number 4,126,761
- Issue date Nov 21, 1978
- Daniel Graupe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of and means for scrambling and descrambling speech at audio...
- Patent number 4,086,435
- Issue date Apr 25, 1978
- Biosystems Research Group II
- Daniel Graupe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of and means for adaptively filtering near-stationary noise...
- Patent number 4,025,721
- Issue date May 24, 1977
- Biocommunications Research Corporation
- Daniel Graupe
- G10 - MUSICAL INSTRUMENTS ACOUSTICS