Method of transmitting digitally coded signals

Details Method of transmitting digitally coded signals Method of transmitting digitally coded signals

1986-08-07

1989-07-18

Buczinski, Stephen C.

Pulse or digital communications

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375106, 375 25, H04L 700, H04B 1404

Patent

active

048499943

ABSTRACT:
For transmission of serial digitally coded signals over a path having a high-pass frequency characteristic synchronizing signals are transmitted in synchronizing word pairs at the beginning of each data block in which the synchronizing words are either identical or else both have the same number of bits of each of the two binary logic levels, for reduction of d.c. and low-frequency components while permitting the choice of a synchronizing signal word which occurs at most rarely in a television video signal, for example.

REFERENCES:
patent: 3961137 (1976-06-01), Hutt et al.
patent: 4027178 (1977-05-01), Larner
patent: 4303942 (1981-12-01), Fukuda et al.
patent: 4353130 (1982-10-01), Carasso
patent: 4649549 (1987-03-01), Halpern et al.
patent: 4697277 (1987-09-01), van Rassel
Periodic Publication "Nachrichtentechn., Elekron", Berlin 34 (1984) 2, pp. 42-44.
Goldberg et al., "Optical Television Link Employing a Digitally Modulated Laser", SMPTE Journal, Jun. 1979, vol. 88, pp. 414-420.

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