Mitsubishi Denki Kabushiki Kaisha

Nissan Motor Company Limited

Masayoshi Takahashi

Haruo Koyanagi

Katsuhide Morimoto

Nobuharu Yamauchi

Masaji Matsumura

A sequence controller of the digital logical circuit type, comprising a sequence program part and a processing circuit, wherein the desired sequence instruction is read from the sequence program part, and the sequence is processed and controlled by the processing circuit. A certain definite level is set at a branch point in an equivalent sequential circuit according to the path along which a signal of the sequential circuit is transmitted. This level and the on-off state of the branch point are stored in a memory. The given data are processed and controlled through the sequence program part and the memory.

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both of, Japan

Masayoshi Takahashi