| Patent Number |
Title Of Patent |
Date Issued |
| RE39163 |
Recording defect substitution method for a disc-shaped recording medium, and a recording and rep |
July 11, 2006 |
| In a recording and reproducing apparatus for a disc-shaped recording medium, and a defect substitution method for a disc-shaped recording medium (8), whether reproduction of recorded data is good is determined by sector unit and not by product code unit, defective sector discriminati |
| RE38706 |
Recording defect substitution method of a disc-shaped recording medium, and a recording and repr |
February 22, 2005 |
| In a recording and reproducing apparatus for a disc-shaped recording medium, and a defect substitution method for a disc-shaped recording medium (8), whether reproduction of recorded data is good is determined by sector unit and not by product code unit, defective sector discrimination |
| RE38611 |
Method for substituting defective recording of discoid recording medium and discoid recording me |
October 5, 2004 |
| In a recording and reproducing apparatus for a disc-shaped recording medium, and a defect substitution method for a disc-shaped recording medium, whether reproduction of recorded data is good is determined by sector unit and not by product code unit, defective sector discrimination i |
| 7610626 |
Recording medium, recording apparatus, reading apparatus, and program and method therefore |
October 27, 2009 |
| An MPEG2-PS format digital stream is composed of VOBUs and each VOBU except an RDI-Pack at the top is encrypted using a content key Kc. The content key Kc is an encryption key obtained by adding a title key Kt to CCI, and then converting a time varying coefficient using the sum. Acco |
| 7555205 |
Method for controlling defect of optical disk, optical disk recording device, and optical disk r |
June 30, 2009 |
| An optical disc recording apparatus (1) includes a system control unit (14) that judges whether main information and sub information which is recorded by being superimposed on said main information, relocates and records the main information or the sub information, or the main inform |
| 7542568 |
Encryption device a decrypting device a secret key generation device a copyright protection syst |
June 2, 2009 |
| An encryption device, a decrypting device, a secret key generation device, a copyright protection system and a cipher communication device including: a CRL memory unit memorizing a CRL, a device key ring memory unit memorizing a specific device key KD_A in every IC card used in a dec |
| 7339869 |
Optical disk and optical method |
March 4, 2008 |
| An optical disk according to the present invention is the optical disk on which secret information on unique information given to a specific optical disk manufacturer or a specific optical disk and information recorded on an infringement disk list of identifying an illegitimate optic |
| 7298844 |
Recording/reproducing apparatus, data moving method, and data deletion method |
November 20, 2007 |
| A recording/reproducing apparatus includes: a first storage section for storing data structure information which includes encrypted data; a special information holding section for holding special information associated with the data structure information; and a controller for control |
| 7209422 |
Optical disc recording method and optical disc reproducing method |
April 24, 2007 |
| An optical disc recording method is provided for superimposing sub information by displacing edges of one or more optically-readable recording marks by a minute amount on the basis of a binary sequence code, when recording main information by forming said one or more recording marks, |
| 7196994 |
Information recording medium, information recording apparatus and information reproduction appar |
March 27, 2007 |
| An optical disk is provided that disables reproduction of sub-information even if the sub-information as a contents encryption key is recorded entirely onto another optical disk. Sub-information is recorded on the optical disk by deforming a recording mark slightly in accordance with a |
| 7164644 |
Optical disc, recording apparatus method, and reproduction apparatus and method |
January 16, 2007 |
| An optical disc has a plurality of sectors, where each of the plurality of sectors includes a plurality of frames. A sub information bit value of "0" or "1" is assigned to the plurality of frames constituting a sector, excluding the first and last frames. Edge positions are displaced so |
| 7136335 |
Information recording medium, recording apparatus, and reproduction apparatus |
November 14, 2006 |
| An information recording medium for recording main information and auxiliary information is provided. The auxiliary information is recorded on the information recording medium in a manner that edge positions of the pits or the recording marks indicating the main information are shift |
| 7133349 |
Optical disc, recording apparatus and method, and reproduction apparatus and method |
November 7, 2006 |
| An optical disc has a plurality of sectors, where each of the plurality of sectors includes a plurality of frames. A sub information bit value of "0" or "1" is assigned to the plurality of frames constituting a sector, excluding the first and last frames. Edge positions are displaced so |
| 7092342 |
Optical disc, recording apparatus and method, and reproduction apparatus and method |
August 15, 2006 |
| An optical disc has a plurality of sectors, where each of the plurality of sectors includes a plurality of frames. A sub information bit value of "0" or "1" is assigned to the plurality of frames constituting a sector, excluding the first and last frames. Edge positions are displaced so |
| 6938162 |
Optical disk, optical disk recording and reproducing apparatus, method for recording, reproducin |
August 30, 2005 |
| A recording type optical disk on which data is recordable includes a data recording and reproducing area for recording data therein and reproducing data therefrom, and a read-only disk identification information area for recording disk identification information for identifying the optic |
| 6802074 |
Recording apparatus, transmitting apparatus, and computer-readable recording medium |
October 5, 2004 |
| A recording apparatus includes a disc recording unit for recording each video section composing a broadcast program onto a rewritable optical disc; an electronic watermark reading unit for reading electronic watermarks embedded into the video section; and a recording flag storing uni |
| 6687860 |
Data transfer device and data transfer method |
February 3, 2004 |
| A data transfer device for successively storing data in a data storage unit or successively reading data from the data storage unit in data processing using an array of m rows.times.n columns, comprises a data storage unit for retaining data which have been stored in storage positions sp |
| 6549499 |
Recording defect substitution method for a disc-shaped recording medium, and a recording and rep |
April 15, 2003 |
| In a recording and reproducing apparatus for a disc-shaped recording medium, and a defect substitution method for a disc-shaped recording medium, whether reproduction of recorded data is good is determined by sector unit and not by product code unit, defective sector discrimination i |
| 6496455 |
Recording defect substitution method for a disc-shaped recording medium, and a recording and rep |
December 17, 2002 |
| In a recording and reproducing apparatus for a disc-shaped recording medium, and a defect substitution method for a disc-shaped recording medium, whether reproduction of recorded data is good is determined by sector unit and not by product code unit, defective sector discrimination i |
| 6351447 |
Recording defect substitution method for a disc-shaped recording medium, and a recording and rep |
February 26, 2002 |
| In a recording and reproducing apparatus for a disc-shaped recording medium, and a defect substitution method for a disc-shaped recording medium, whether reproduction of recorded data is good is determined by sector unit and not by product code unit, defective sector discrimination i |
| 6314078 |
Recording defect substitution method for a disc-shaped recording medium, and a recording and rep |
November 6, 2001 |
| In a recording and reproducing apparatus for a disc-shaped recording medium, and a defect substitution method for a disc-shaped recording medium (8), whether reproduction of recorded data is good is determined by sector unit and not by product code unit, defective sector discrimination |
| 6301220 |
Recording defect substitution method for a disc-shaped recording medium, and a recording and rep |
October 9, 2001 |
| In a recording and reproducing apparatus for a disc-shaped recording medium, and a defect substitution method for a disc-shaped recording medium (8), whether reproduction of recorded data is good is determined by sector unit and not by product code unit, defective sector discrimination |
| 6175549 |
Recording defect substitution method of a disc-shaped recording medium, and a recording and repr |
January 16, 2001 |
| In a recording and reproducing apparatus for a disc-shaped recording medium, and a defect substitution method for a disc-shaped recording medium (8), whether reproduction of recorded data is good is determined by sector unit and not by product code unit, defective sector discrimination |
| 6134214 |
Method for substituting defective recording of discoid recording medium and discoid recording me |
October 17, 2000 |
| In a recording and reproducing apparatus for a disc-shaped recording medium, and a defect substitution method for a disc-shaped recording medium, whether reproduction of recorded data is good is determined by sector unit and not by product code unit, defective sector discrimination i |
| 5872767 |
Optical disk and an optical disk recording/reproduction device having address blocks located on |
February 16, 1999 |
| An optical disk according to the present invention includes a first track having a spiral shape and a second track having a spiral shape, the first track and the second track adjoining each other, and information being recorded on or reproduced from the first track and the second track. |
| 5862112 |
Optical disk and an optical disk recording reproduction device |
January 19, 1999 |
| An optical disk according to the present invention includes a first track having a spiral shape and a second track having a spiral shape, the first track and the second track adjoining each other, and information being recorded on or reproduced from the first track and the second track. |
| 5715221 |
Method for managing defects in an information recording medium, and a device and information rec |
February 3, 1998 |
| A defect list (FIG. 12B) on an information recording medium only includes pairings (A1 and A2, B1 and B3 in FIG. 12B) of addresses of defective sectors belonging to the data sector area and addresses of non-defective sectors which belong to the spare sector area and which are to be used |
