Digital data modulating method

Details Digital data modulating method Digital data modulating method

1994-11-29

1996-06-04

Chin, Stephen

Pulse or digital communications

Pulse width modulation

375295, 341 53, 332109, H03K 708

Patent

active

055241212

ABSTRACT:
Disclosed is an improved digital data modulating method appropriate for stable and high-speed communication. It comprises the step of allotting each of N sequential digital data bit combinations to a corresponding period-and-phase discriminating signal, thereby providing a modulated signal in the form of a series of different single-periods, which modulated signal is insensitive to noise signals appearing in communication mediums.

REFERENCES:
patent: 3454718 (1969-07-01), Perreault
"NR/NRZI Data Modulation-Demodulation" IBM Technical Disclosure Bulletin, vol. 32 No. 5B, Oct. 1989 pp. 391-395.

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