Information recording apparatus
US6529466B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 18, 2001 |
| Grant date | Mar 4, 2003 |
| Priority date | — |
| Expiry date | Dec 18, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/006
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An information recording apparatus for recording data by applying energy to a recording medium to form thereon local physical changes of the medium includes a total energy irradiating amount discriminating unit for discriminating a total energy irradiating amount of each mark and each space when data is recorded, and a recording energy irradiating unit for switching between at least two levels of the total energy irradiating amount during a mark non-forming period, in accordance with results discriminated by the total energy irradiating amount discriminating unit. The at least two levels may be at least two mutually different levels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.