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Patente

Referenziert von

Zitiert von PatentEingetragenAusgestelltUrsprünglich Bevollmächtigter Titel
US405867730. Juli 197515. Nov. 1977Lear Siegler, Inc.Sound scrambling equipment
US41561073. Febr. 197822. Mai 1979Bell Telephone Laboratories, IncorporatedSpeech signal scrambler
US417965728. Aug. 195818. Dez. 1979The United States of America as represented by the Secretary of the Air ForceAnti-jamming communication system
US418411716. Apr. 195615. Jan. 1980The United States of America as represented by the Secretary of the ArmyCommunication security method and system
US418850620. Mai 197612. Febr. 1980Gretag AktiengesellschaftMethod and installation for masked speech transmission over a telephone channel
US459167310. Mai 198227. Mai 1986Frequency or time domain speech scrambling technique and system which does not require any frame synchronization
US594987828. Juni 19967. Sept. 1999Transcrypt International, Inc.Method and apparatus for providing voice privacy in electronic communication systems