发明名称 METHOD FOR ADDING ERROR CORRECTING CODE TO VARIABLE LENGTH DATA
摘要 PURPOSE:To prevent occurrences of mistakes in error correction, by adding an error correcting code after fixed length is secured by adding dummy code to data corresponding to the final end of divided variable length data. CONSTITUTION:Picture information in a page buffer 2 is condensedly processed at every line, and, when the picture information at the end of a line is read out, an end-of-line signal EOL is detected by an EOL detecting circuit 25 and a signal ''1'' is outputted from the circuit 25. Therefore, a read signal from the buffer 2 is obstructed by an inverter circuit 27 and an AND circuit 23, and, at the same time, a dummy code generating circuit 31 is started to operate by the output of another AND circuit 30 and a dummy code signal F is supplied to an optical disk device 10 through OR circuits 26 and 21. In this way, the length of picture information at the end of line can be adjusted to a fixed length by adding the dummy code.
申请公布号 JPS57207960(A) 申请公布日期 1982.12.20
申请号 JP19810093424 申请日期 1981.06.17
申请人 TOKYO SHIBAURA DENKI KK 发明人 YOSHIMARU TOMOHISA
分类号 G06F11/10;G06T1/00;H04N1/21;H04N1/419 主分类号 G06F11/10
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