Apparatus for transmitting information by angle modulation

Details Apparatus for transmitting information by angle modulation Apparatus for transmitting information by angle modulation

1987-10-14

1988-12-27

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

375 83, 332 19, 332 9R, 455110, H04L 2720, H04L 2722

Patent

active

047946210

ABSTRACT:
An apparatus for transmitting information by angle modulation wherein the phase angle of an electric wave is varied in response to a modulating signal, which modulating signal comprises portions which effect step-like variations of the phase angle, some of said step-like angle variations involving a variation by an angle which exceeds a predetermined magnitude, and wherein each phase angle variation which exceeds a predetermined magnitude is effected by a plurality of subsequent partial phase variation steps each involving a variation by a phase angle with a fraction of a phase angle variation.

REFERENCES:
patent: 3652794 (1972-03-01), Vancsa
patent: 4206425 (1980-06-01), Nossen
patent: 4682123 (1987-07-01), Loper et al.

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