| 摘要 |
A data compressor includes a matrix of AND-gates corresponding to a respective plurality of strings. An AND-gate has inputs responsive, respectively, to a representation of a prefix code and a representation of a fetched character for energizing the AND-gate output. The AND-gate outputs are coupled, respectively, to the inputs of a matrix switch and the matrix switch outputs have respective string codes assigned thereto. The matrix switch is controllable for coupling any one of the matrix switch inputs to a selected one of the matrix switch outputs. Energization of an AND-gate output coupled to a matrix switch output provides a representation of the code assigned thereto. A prefix decoder responsive to the provided representations of codes assigned to the matrix switch outputs provides decoder outputs to the prefix code inputs of the AND-gates. A character decoder responsive to fetched characters provides decoder outputs to the character inputs of the AND-gates.
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