| 摘要 |
Pre-recorded video library (PVL) is much more difficult to realize than other pre-recorded multimedia library (PML). Among the existing, mature mobile mass storages, portable HDD (with 1''<disk diameter<3.5'') is the only one that can store a PVL. Accordingly, the present invention discloses a portable video hard-disk drive (pVHDD). It should be removable from the mobile video device.
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