Information management method for appendage type additional information recording medium
US5210734A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 29, 1990 |
| Grant date | May 11, 1993 |
| Priority date | — |
| Expiry date | Aug 29, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2545
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for recording information intermittently on a write-once recording medium, comprising the steps of; providing on the recording medium a volume management area and a data area, recording an information and a management information for managing the information recorded, to the data area and the volume management area respectively, adding another information to the data area, renewing the management information for managing the information previously recorded and the information added as a whole and adding the renewed management information to the volume management area, and filling a non-recorded area between the last position of the management information added lastly and the start position of the data area with dummy data for making all of the recorded area contiguous.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.