Data recording apparatus and data erasing apparatus capable of performing restoration when power supply malfunction occurs during recording or erasing
US6882493B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 3, 2002 |
| Grant date | Apr 19, 2005 |
| Priority date | — |
| Expiry date | Dec 3, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/65
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A data recording apparatus is provided with: a recording device which includes a data recording region having data recorded in a predetermined unit, a first management data region having management data with respect to the data recorded in the data recording region, stored in the predetermined unit, and a second management data region having the same management data as that stored in the first management data region, stored in the predetermined unit; a control device which performs, in the predetermined unit, control processing including a record processing for recording data in the data recording region and an update processing for updating management data in the first management data region and the second management data region; and a memory which stores status data indicating a control processing status in the predetermined unit by the control device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.