TOP
News
Offer letters
License Agreement
FAQ
Patent Catalogue
Patent List
Licensee list
Contact us

Introduction to DVD Patents


 HARDWARE
•PLAYER/DECODER

USP5,014,274
CODE-ERROR CORRECTING DEVICE


USP5,276,674
REPRODUCTION OF ERROR CORRECTION CODE


USP5,400,077
SYSTEM FOR GENERATING MULTIPLE ASPECT RATIO VIDEO SIGNALS FROM OPTICAL DISC RECORDED IN A SINGLE ASPECT RATIO


USP5,432,769
BUFFERING REPRODUCTION OF VIDEO DATA


USP5,488,418
ENCODER/DECODER


USP5,586,108
DATA REGENERATING DEVICE USING A RECORDED ERROR CORRECTING CODE


USP5,587,991
SYNC CODE AND DC COMPONENT SUPPRESS CODE


USP5,598,276
SYSTEM FOR PLAYING A SELECTED ONE OF MULTIPLE VERSIONS OF THE SAME MOTION PICTURE ON AN OPTICAL DISC


USP5,636,200
DVD LOGICAL DATA STRUCTURE


USP5,768,298
INFORMATION REPRODUCING METHOD, WHICH ENABLES TO DETECT DESIRED DATA READILY


JP2,617,772
REPRODUCING APPARATUS FOR MOTION PICTURE SIGNAL CODED AT VARIABLE TRANSFER RATE


JP2,766,919
DIGITAL SIGNAL RECORDING/REPRODUCING APPARATUS, DIGITAL SIGNAL RECORDING APPARATUS, DIGITAL SIGNAL REPRODUCING APPARATUS


USP 6,222,805
AUDIO SELECTION(ASL)


JP2,993,471
Audio signal processing and reproducing method, medium and apparatus


•RECORDER/ENCODER

USP 5,257,256
Recording method for mark-length modulation optical recording


USP 5,862,115
Method and apparatus for recording an information signal with scrambling thereof


USP 5,946,285
Recording disc consisting of single spiral land and groove tracks with radially shifted sector header


USP 5,953,299
Information recording method using GAP field and Guard field


USP 6,034,932
RECORDING METHOD FOR OPTICAL DISC HAVING A PLURALITY OF SECTORS


USP 6,078,727
TIME MAP INFORMATION


USP6,128,260
OPTICAL DISC HAVING AN ACTUAL RECORDING FIELD AND A GAP FIELD


USP6,141,491
Method for jump-reproduction video data of moving picture coded with efficiency


USP6,172,961
OPTICAL DISC DEVICE DETECTING A TRACK CHANGE


JP 2,088,711
Recording apparatus having multi pulse laser driver for mark edge recording


JP 3,070,467
Recording disc with zone consisting of blocks as a unit of error correction or interleave


 DISC

•READ-ONLY DISC

USP4,682,332
METHOD FOR DETECTING ID ERROR


USP4,703,494
SYNCHRONIZATION SIGNAL FORMAT


USP5,276,674
ERROR CORRECTION CODE FORMAT


USP5,333, 126
METHOD FOR REDUCING DC LEVEL FLUCTUATION


USP5,459,7l2
OPTICAL DISC HAVING A SPECIFIC TRACK PITCH


USP5,488,418
ENCODER/DECODER


USP5,546,427
SYNC CODE FORMAT


USP5,574,567
REPRESENTATION OF MULTIPLE VERSIONS OF THE SAME MOTION PICTURE ON AN OPTICAL DISC


USP5,619,424
OPTICAL DISC WITH SPECIFICATION OF RECORDED ASPECT RATIO AND CONTAINING PAN SCAN DATA


USP5,721,720
SUB-PICTURE DATA BY A RUN-LENGTH COMPRESSION RULE


JP2,591,029
RECORDING MEDIUM WITH A CONTROL SIGNAL AND A TRACK POSITION SIGNAL


JP2,617,772
ROTATING RECORDING MEDIUM AND RECORDING APPARATUS


USP 6,222,805
PGC BLOCK FOR AUDIO SELECTION(ASL)


JP2,993,471
Audio signal processing and reproducing method, medium and apparatus

USP6,151,442
Compressing apparatus for audio signal


•RECORDABLE DISC

USP 5,862,115
Method and apparatus for recording an information signal with scrambling thereof


USP 5,936,933
Recording medium with wobbled recording tracks


USP 5,946,285
Recording disc consisting of single spiral land and groove tracks with radially shifted sector header


USP6,172,961
OPTICAL DISC DEVICE DETECTING A TRACK CHANGE


USP6,141,491
Method for jump-reproduction video data of moving picture coded with efficiency


USP 6,208,603
HEADER FIELD FORMAT


USP 6,493,504
Recording medium having audio type informationfor each still picture


USP6,128,260
OPTICAL DISC HAVING AN ACTUAL RECORDING FIELD AND A GAP FIELD


JP 3,070,467
Recording disc with zone consisting of blocks as a unit of error correction or interleave





Copyright(C) 2002-2005 DVD 6C LICENSING AGENCY All Rights Reserved.