发明名称 Data communication system
摘要 A test signal is received for testing the transmission rate, the number of errors in the test signal in a predetermined time period is detected, and the number of errors is compared with a predetermined number to determine the proper transmission rate for data communication.
申请公布号 US4710925(A) 申请公布日期 1987.12.01
申请号 US19840679558 申请日期 1984.12.07
申请人 CANON KABUSHIKI KAISHA 发明人 NEGI, TSUNEO
分类号 H04N1/00;H04L1/00;H04L1/16;H04L1/20;H04L29/08;H04N1/32;H04N1/333;(IPC1-7):G06F11/00 主分类号 H04N1/00
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