Invention Grant
US07916606B2 Information recording medium, mastering device, identification information recording device, identification information reproduction device, mastering method, identification information recording method, and identification information reproduction method
失效
信息记录介质，母盘装置，识别信息记录装置，识别信息再现装置，母盘制作方法，识别信息记录方法和识别信息再现方法
- Patent Title: Information recording medium, mastering device, identification information recording device, identification information reproduction device, mastering method, identification information recording method, and identification information reproduction method
- Patent Title (中): 信息记录介质，母盘装置，识别信息记录装置，识别信息再现装置，母盘制作方法，识别信息记录方法和识别信息再现方法
-
Application No.: US11629678Application Date: 2005-06-17
-
Publication No.: US07916606B2Publication Date: 2011-03-29
- Inventor: Naoki Ide
- Applicant: Naoki Ide
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2004-181116 20040618
- International Application: PCT/JP2005/011144 WO 20050617
- International Announcement: WO2005/124745 WO 20051229
- Main IPC: G11B7/00
- IPC: G11B7/00
Abstract:
Identification information is recorded by irradiating a laser beam to a predetermined area of an information recording medium by securely changing a land to a pit.A pair of land and pit is formed in the predetermined area of the information recording medium. A laser beam is irradiated to this pair to record the identification information. Accordingly, by applying a laser beam to this area, a land serving as one of the pair is surely changed to a pit so that the identification information can surely be recorded by irradiating a laser beam to the predetermined area. The remaining pit of the pair remains as a pit even when the laser beam is irradiated. Moreover, the laser beam may not be irradiated to the pit.
Public/Granted literature
- US20080043595A1 Information Recording Medium, Mastering Device, Identification Information Recording Device, Identification Information Reproduction Device, Mastering Method, Identification Information Recording Method, and Identification Information Reproduction Method Public/Granted day:2008-02-21
Information query
IPC分类:
