| 摘要 |
An apparatus for detecting a succession of data comprises a comparator storing first and second data, respectively, a first flip-flop having an input supplied with the first data from the comparator, a gate having inputs supplied, respectively, with the second data from the comparator and the output of the first flip-flop, a second flip-flop having an input supplied with the output of the gate, and a pulse generator operating in synchronism with input data to produce a shift pulse signal delayed relative to the input data for a time required for the operation of the comparator. The shift pulse signal is applied to the inputs of the first and second flip-flops to thereby cause the output of the first flip-flop to be shifted to the second flip-flop only when the input data corresponding to the first and second data, respectively, are applied to the comparator. Thus, continuity in the input data can be detected. By providing additionally a selector on the output side of the flip-flops, identification of the data contained in the input data string can be accomplished.
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