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Patent applications and USPTO patent grants for McCalmont; Arnold M..The latest application filed is for "privacy communication system employing time/frequency transformation".
Patent | Date |
---|---|
Privacy communication system employing time/frequency transformation Grant 4,433,211 - McCalmont , et al. February 21, 1 | 1984-02-21 |
Secure communication system with improved frequency-hopping arrangement Grant 4,276,652 - McCalmont , et al. June 30, 1 | 1981-06-30 |
Voice privacy system with amplitude masking Grant 4,195,202 - McCalmont March 25, 1 | 1980-03-25 |
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