Information recording medium, information reproducing device and method, and apparatus and method for manufacturing information recording medium
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 11, 2012
Grant Date -
Aug 20, 2009
app pub date -
Jul 13, 2006
filing date -
Jul 15, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An information recording medium (100) is provided with (i) a first information recording area wherein a first track for reproducing first information based on a first track pitch is formed by a laser beam, and (ii) a second information recording area wherein a second track for reproducing second information based on a second track pitch different from the first track pitch is formed by a laser beam. The groove shape of the first track is different from the groove shape of the second track.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully