| 摘要 |
Some of various multisignal (a plurality of signals except zero in the conventional binary system ) which are a variety of memories employed as signals instead of a single memory in the binary system are recorded in a medium for multisignal, by moving a recorder for multisignal to a determined position. An extractor is moved to a determined position to extract a part of the multisignal which have been recorded at that position in advance. When any change has to be made to the recorded multisignal, the change is made by the recorder. The multisignal can be used in two or more pairs as well. When processing a signal in the multisignal method in which various signals are used instead of 1 in the conventional binary system, the medium erases, writes, and corrects the signal with a machine which uses multisignal of light, magnetism, etc. that can be clearly discriminated from one another. By this method, the memory size and the speed can be increased and the cost can be lowered, and the memory can be used widely for a personal computer, a word processor, a card, an information equipment, an ATR, a VTR, a D-VTR the Internet, and many other applications.
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