Data communication apparatus

Details Data communication apparatus Data communication apparatus

1992-06-09

1995-04-11

Ro, Bentsu

Facsimile and static presentation processing

Facsimile

Auxiliary signal

370 32, 379100, H04N 132

Patent

active

054063884

ABSTRACT:
A data communication apparatus for performing a communication of a procedure signal at a low transmission speed, and performing a communication of data at a high transmission speed, includes a discrimination unit for discrimination whether or not a received signal is an echo signal, and a detection unit for detecting reception of one of high- and low-speed signals according to a discrimination result of the discrimination unit at a timing at which the high- and low-speed signals in communication may be received.

REFERENCES:
patent: 4811342 (1989-03-01), Huang
patent: 4841521 (1989-06-01), Amada et al.
patent: 4890316 (1989-12-01), Walsh et al.
patent: 4910506 (1990-03-01), Yoshida et al.
patent: 5214650 (1993-05-01), Renner et al.

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