Accession Number : ADD003520

Title :   Differential Tri-Phase Shift Keyed Modulation.

Descriptive Note : Patent Application,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s) : Witt,Richard P

Report Date : 02 Feb 1977

Pagination or Media Count : 13

Abstract : A differential tri-phase shift keyed modulation system permits both data and data synchronization signals to be transmitted at a single frequency which are then differentiated by phase. (Author)

Descriptors :   *Patent applications, *Phase shift keyers, *Modems, Data links, Carrier frequencies, Synchronization(Electronics)

Subject Categories : Electrical and Electronic Equipment
      Non-radio Communications

Distribution Statement : APPROVED FOR PUBLIC RELEASE