Processing

Please wait...

PATENTSCOPE will be unavailable a few hours for maintenance reason on Saturday 31.10.2020 at 7:00 AM CET
Settings

Settings

Goto Application

1. WO2006095932 - OPTICAL DISK, RECORDING METHOD, RECORDING MEDIUM, AND OPTICAL DISK UNIT

Publication Number WO/2006/095932
Publication Date 14.09.2006
International Application No. PCT/JP2006/310940
International Filing Date 25.05.2006
IPC
G11B 20/12 2006.01
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
10Digital recording or reproducing
12Formatting, e.g. arrangement of data block or words on the record carriers
G11B 27/19 2006.01
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
27Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
10Indexing; Addressing; Timing or synchronising; Measuring tape travel
19by using information detectable on the record carrier
G11B 27/24 2006.01
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
27Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
10Indexing; Addressing; Timing or synchronising; Measuring tape travel
19by using information detectable on the record carrier
24by sensing features on the record carrier other than the transducing track
G11B 7/0045 2006.01
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
7Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power; Record carriers therefor
004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
0045Recording
G11B 7/007 2006.01
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
7Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power; Record carriers therefor
007Arrangement of the information on the record carrier, e.g. form of tracks
G11B 7/125 2006.01
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
7Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power; Record carriers therefor
12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
125Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
CPC
G11B 20/1217
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
10Digital recording or reproducing
12Formatting, e.g. arrangement of data block or words on the record carriers
1217on discs
G11B 2007/0013
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
7Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation ; by modifying optical properties or the physical structure; , reproducing using an optical beam at lower power ; by sensing optical properties; Record carriers therefor;
0003Recording, reproducing or erasing systems characterised by the structure or type of the carrier
0009for carriers having data stored in three dimensions, e.g. volume storage
0013for carriers having multiple discrete layers
G11B 2020/1275
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
10Digital recording or reproducing
12Formatting, e.g. arrangement of data block or words on the record carriers
1264wherein the formatting concerns a specific kind of data
1265Control data, system data or management information, i.e. data used to access or process user data
1275Calibration data, e.g. specific training patterns for adjusting equalizer settings or other recording or playback parameters
G11B 2020/1288
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
10Digital recording or reproducing
12Formatting, e.g. arrangement of data block or words on the record carriers
1264wherein the formatting concerns a specific kind of data
1288Formatting by padding empty spaces with dummy data, e.g. writing zeroes or random data when de-icing optical discs
G11B 2220/216
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
2220Record carriers by type
20Disc-shaped record carriers
21characterised in that the disc is of read-only, rewritable, or recordable type
215Recordable discs
216Rewritable discs
G11B 2220/235
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
2220Record carriers by type
20Disc-shaped record carriers
23characterised in that the disc has a specific layer structure
235Multilayer discs, i.e. multiple recording layers accessed from the same side
Applicants
  • RICOH COMPANY, LTD. [JP]/[JP] (AllExceptUS)
  • KATO, Masaki [JP]/[JP] (UsOnly)
  • YAMADA, Katsuyuki [JP]/[JP] (UsOnly)
  • ITO, Kazunori [JP]/[JP] (UsOnly)
  • SHINOTSUKA, Michiaki [JP]/[JP] (UsOnly)
  • HIBINO, Eiko [JP]/[JP] (UsOnly)
  • SHINKAI, Masaru [JP]/[JP] (UsOnly)
  • SEKIGUCHI, Hiroyoshi [JP]/[JP] (UsOnly)
Inventors
  • KATO, Masaki
  • YAMADA, Katsuyuki
  • ITO, Kazunori
  • SHINOTSUKA, Michiaki
  • HIBINO, Eiko
  • SHINKAI, Masaru
  • SEKIGUCHI, Hiroyoshi
Agents
  • ITOH, Tadahiko
Priority Data
2005-15387226.05.2005JP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) OPTICAL DISK, RECORDING METHOD, RECORDING MEDIUM, AND OPTICAL DISK UNIT
(FR) DISQUE OPTIQUE, PROCEDE D'ENREGISTREMENT, MOYEN D'ENREGISTREMENT, ET UNITE DE DISQUE OPTIQUE
Abstract
(EN)
A method of recording information using a laser on a multilayer optical disk having a plurality of recording layers is provided. The plurality of recording layers include a first recording layer and a second recording layer adjacent the first recording layer. The first recording layer is provided with a first test writing area to be used for calibration of write power, and the second recording layer is provided with a second test writing area to be used for calibration of write power. The disk is arranged so that a first region of the first test writing area is superposed with a second region of the second test writing area when considered in the direction in which the laser is arranged to irradiate. The method comprises, if the second region of the second test writing area is unrecorded, recording data in the second region of the second test writing area, thereby converting the second region of the second test writing area into a recorded state; and once the second region of the second test writing area has been converted into a recorded state, performing test writing in the first region of the first test writing area.
(FR)
L'invention concerne un procédé d'enregistrement d'informations au laser sur un disque optique multicouche comprenant une pluralité de couches d'enregistrement. La pluralité de couches d'enregistrement est formée d'une première couche d'enregistrement et d'une seconde couche d'enregistrement adjacente à la première couche d'enregistrement. La première couche d'enregistrement comprend une première zone d'écriture d'essai utilisée pour calibrer la puissance d'écriture. Le disque est configuré de manière qu'une première partie de la première zone d'écriture d'essai soit superposée à une seconde partie de la seconde zone d'écriture d'essai dans la direction d'irradiation du laser. Le procédé consiste, si la seconde partie de la seconde zone d'écriture d'essai n'est pas enregistrée, à enregistrer des données dans la seconde partie de la seconde zone d'écriture d'essai, convertissant ainsi la seconde partie de la seconde zone en une zone enregistrée; et, une fois que la seconde partie de la seconde zone d'écriture d'essai a été convertie, à procéder à une écriture d'essai dans la première partie de la première zone d'écriture d'essai.
Latest bibliographic data on file with the International Bureau