Library apparatus for duplicating disks and then sorting them to easily distinguish defective disks from normally copied disks
US5640535A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 1995 |
| Grant date | Jun 17, 1997 |
| Priority date | — |
| Expiry date | Sep 19, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/41
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A first determination unit determines whether or not the number of storage racks which stores each of a plurality of disks into which informations stored in one copying source disk are copied exceeds the number of the plurality of disks. A copying unit copies the informations stored in the copying source disk into each of the disks in order and determines whether or not a copying process is normal, when it is determined that the number of the storage racks exceeds the number of the plurality of disks. A storage control unit controls the disks so as to store the disks from one edge side of the storage rack in order when the copying process is normal, and controls the disks so as to store the disks from other edge side of the storage racks in order when the copying process is not normal. In another embodiment, duplication ceases when the number of copied disks totals one less than the number of storage racks. The extra storage rack visually denotes the dividing point between normally copied disks and defective disks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.