Disk DVD-ROM drive unit with a playback speed control and...

Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Mechanism control by the control signal

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C369S053210

Reexamination Certificate

active

07130253

ABSTRACT:
A disk drive unit for reproducing information recorded on a digital versatile disk (DVD). The disk drive unit has a copyright management information reading unit for reading copyright management information from a predetermined location on a DVD loaded into the disk drive unit, a first determining unit for determining whether or not protection exists for contents of the loaded DVD using the copyright management information read from the loaded DVD by the copyright management information reading unit, and a playback speed control unit for controlling a playback speed of the loaded DVD when it is determined that the contents of the loaded DVD are protected using the first determining unit.

REFERENCES:
patent: 5764610 (1998-06-01), Yoshida et al.
patent: 5978322 (1999-11-01), Sugimoto et al.
patent: 6108296 (2000-08-01), Kajiyama et al.
patent: 6243340 (2001-06-01), Ito et al.
patent: 6430291 (2002-08-01), Ogino et al.
patent: 6530037 (2003-03-01), Ando et al.
patent: 6538967 (2003-03-01), Lee
patent: 6606290 (2003-08-01), Tosaki et al.
patent: 61-170959 (1986-08-01), None
patent: 3-228262 (1991-10-01), None
patent: 4-362569 (1992-12-01), None
patent: 8-077691 (1996-03-01), None
patent: 8-339614 (1996-12-01), None
patent: 11-134812 (1999-05-01), None
patent: 11-191282 (1999-07-01), None
patent: 11-306641 (1999-11-01), None
patent: 11-306661 (1999-11-01), None
patent: 11-306661 (1999-11-01), None
patent: 2000-149415 (2000-05-01), None
Copy of Office Action from Japanese Patent Office dated Mar. 4, 2003 citing 7 references.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Disk DVD-ROM drive unit with a playback speed control and... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Disk DVD-ROM drive unit with a playback speed control and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Disk DVD-ROM drive unit with a playback speed control and... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3682949

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.