Optical disk device having light converging means which...

Details Optical disk device having light converging means which... Optical disk device having light converging means which...

2005-06-21

2005-06-21

Huber, Paul W. (Department: 2653)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

C369S112020

Reexamination Certificate

active

06909685

ABSTRACT:
An optical disk device has a light source which emits light; and light converging means of, in each of signal mark forming regions, each of lands, or each of grooves of an optical disk, converging the light from the light source onto a signal surface of the optical disk with selectively positioning a signal mark at any one of plural positions which are arranged in a direction that is substantially perpendicular to tracks, each of the signal mark forming regions surrounded by adjacent two of boarder lines which are between two the tracks on the signal surface of the optical disk, and which are substantially parallel to the tracks, and each of which substantially divides an area between adjacent tracks in two parts.

REFERENCES:
patent: 5870353 (1999-02-01), Morimoto et al.
patent: 6324139 (2001-11-01), Nakane
patent: 6538963 (2003-03-01), Fukada

Affiliated with

Also associated with

Rating

Optical disk device having light converging means which... 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 disk device having light converging means which..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical disk device having light converging means which... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3508139