Optical information recording medium and optical information...

Details Optical information recording medium and optical information... Optical information recording medium and optical information...

2005-05-16

2009-12-22

Young, Wayne R (Department: 2627)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

Reexamination Certificate

active

07636295

ABSTRACT:
It is an object to provide an optical information recording medium for land/groove recording, capable of recording at a plurality of linear speeds, wherein deterioration of jitter of the reproduction signal is prevented in recording and reproduction at low linear speeds. To this end, there is provided an optical information recording medium having a land/groove structure and being capable of recording at a plurality of linear speeds, wherein the ratio of the maximum recordable linear speed to the minimum recordable linear speed has a value of 2 to 3, and the ratio of the amount of light reflected from a groove in an unrecorded state to the amount of light reflected from a land in an unrecorded state has a value of at least 1.08 and no more than 1.19.

REFERENCES:
patent: 2002/0141328 (2002-10-01), Matsumoto et al.
patent: 2004/0062189 (2004-04-01), Matsukawa et al.
patent: 0 911 820 (1999-04-01), None
patent: 1 047 056 (2000-10-01), None
patent: 08-315425 (1996-11-01), None
patent: 9-231615 (1997-09-01), None
patent: 10-172183 (1998-06-01), None
patent: 2001-56958 (2001-02-01), None
patent: 2002-56576 (2002-02-01), None
Supplementary European Search Report issued Jul. 10, 2008 in connection with EP 05 73 9139 corresponding to the present U.S. application.

Affiliated with

Also associated with

Rating

Optical information recording medium and optical information... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical information recording medium and optical information..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical information recording medium and optical information... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4138257