Method and apparatus for partial file delete
US7889973B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 3, 2003 |
| Grant date | Feb 15, 2011 |
| Priority date | — |
| Expiry date | Aug 4, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/8042
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of increasing the available storage space on an electronic storage medium comprising the steps of providing a free memory list for the electronic storage medium; selecting a portion of a file stored on the electronic storage medium; and adding the selected portion of the file to the free memory list. A method of increasing the available storage space on a personal video recorder comprising the steps of storing a media file on a memory of the personal video recorder; receiving a signal for marking a starting flag for the media file; receiving a signal for marking an ending flag for the media file; and freeing the memory of the personal video recorder that contains a portion of the media file between the starting flag and the delete flag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.