Data transmission and reception system, data transmitter and...

Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels

Reexamination Certificate

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C370S535000, C370S536000, C370S537000, C375S354000

Reexamination Certificate

active

06959011

ABSTRACT:
The data transmission and reception system comprises a data transmitter and a data receiver. The data transmitter generates and transmits a high-speed serial signal through a transmission path and the data receiver receives the serial signal. The data transmitter, when forming the frame for every tributary signal, inserts into the frame a frame bit indicating a boundary of the frame and, after having formed the frame, performs only a bit synchronization with respect to every tributary signal. On the other hand, the data receiver, for a respective tributary signal, stores a data indicated by the tributary signal and, in a timing based on a detection of the frame bit of the tributary signal and a reference frame pulse commonly issued between tributary signals, outputs the stored data to thereby perform the tributary synchronization.

REFERENCES:
patent: 4071703 (1978-01-01), Schaffter
patent: 4667324 (1987-05-01), Graves
patent: 6011807 (2000-01-01), Castagna et al.
patent: 2001/0021203 (2001-09-01), Takizawa et al.
patent: 0397142 (1990-11-01), None
patent: 5-175953 (1993-07-01), None
Uematsu, Hoshihiko et al., “A Universal Structure for SDH Multiplex Line Terminals with a Unique CMOS LSI for SOH Processing,” IEICE Transactions on Communications, Institute of Electronics Information and Comm. Eng. Tokyo, JP, Mar. 01, 1995, pp. 362-372.

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