Method and apparatus for read-write-verification of data stored

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3951832, 39518507, 3642664, 3642653, 3642481, 3642494, 3642496, G06F 11277

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active

056640943

ABSTRACT:
An information verifying apparatus for verifying information recorded on a recording medium. One unit of information input is recorded on a storage medium and is retrieved from the storage medium. A buffer memory stores the one unit of information input, the one unit of information stored in the buffer memory being the same as the one unit of information recorded on the storage medium. An output controller outputs the retrieved information and controls the timing of output of the retrieved information. A comparator compares the information from the buffer memory with the information from the output controller. Since the information is verified using a buffer memory and on output controller, verification can be quickly performed without the use of a large quantity of memory.

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