prov:value
| - In a laser-based random access multiple read/write architecture, each read/write unit assembly and operation is principally equivalent to corresponding laser-based assemblies found in the prior art, in which a laser beam reads and reproduces memory signals from a disc The patents to Yokogawa, U.S. Pat. No. 5,280,462; to Rafner, U.S. Pat. No. 4,972,396; to Carrell, U.S. Pat. No. 4,871,903; and Alle
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