Pulse to zero digital (PZ) modulation

Details Pulse to zero digital (PZ) modulation Pulse to zero digital (PZ) modulation

1989-07-17

1991-06-18

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

375 94, H04L 2702

Patent

active

050254545

ABSTRACT:
A "pulse to zero" modulation scheme is taught to transmit binary information by modulating a bit mark onto a carrier at the start of each "0" in the bit stream. The "pulse to zero" decoder produces an output that switches to "0" at the occurrence of the detected bit mark and resets to "1" if a second bit mark has not occurred within a preset time lapse from the previously detected bit mark.

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patent: 4317207 (1982-02-01), Fujimura et al.
patent: 4361895 (1982-11-01), Khoudari
patent: 4393493 (1983-07-01), Edwards
patent: 4561443 (1985-12-01), Hogrefe et al.
patent: 4703476 (1987-10-01), Howard
patent: 4805194 (1989-02-01), Wesolowski

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