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COMPUTER DISK or COMPUTER DISKS
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Technical Examples
- In a disk stand device and a disk storage device for use in compact disks, mini disks and floppy disks, an array of grooves (2) are provided on an upper surface of a pedestal (1) at predetermined intervals (L). When one end of a disk (3) is inserted into the groove (2) upon accommodating the disks (3), a plurality of disks (3) are positioned to overlap with the predetermined intervals (L) therebetween. A title labelled on the disk (3) can be visually recognized through the intervals (L) of the neighboring disks (3). Upon reusing the disk (3), the disk (3) can be taken out of the groove (2) quicky to improve an efficiency at offices in which electronic computers are employed.
- Various apparatus and methods are provided for handling and transporting pairs of gap merge disks. A transfer member is provided in one embodiment which engages the outer perimeter of a pair of disks at three locations. The transfer member is configured to induce an angled tilt to the respective disks such that the bottom perimeter edges of the disks are spaced apart and the top perimeter edges of the disks are in contact. A mandrel is also provided which is configured to engage a pair of disks oriented in this fashion at the center aperture for purposes of transferring the pair of disks from the transport device to a second location for processing or transfer to another processing device.
- A data storage system in which each of a set of disks has a first portion for either popular data or error correction information (parity or Reed-Solomon code symbols) associated with the popular data, and a second portion used for other data. A disk controller connected to the set of disks maintains a first popular data block in the first portion of a first of the set of disks and a second popular data block in the first portion of a second of the set of disks. The system maintains at least two of the disks in an active state. The active disks are selected to insure that any data in the popular data blocks can be determined from data stored in the active disks. An additional disk is maintained in an active state if write access is permitted or if there is an additional popular data block.
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