| 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 |
| 7158458 |
Method and apparatus for recording/reproducing information with respect to optical recording med |
January 2, 2007 |
| A method and an apparatus are provided, which enable a user's standby time to be shortened or utilized effectively in the course of recording/reproduction of information with respect to an optical disk. Information recorded on a disk is reproduced preferentially, and after counting f |
| 6952384 |
Optical disk apparatus and method for setting control parameters |
October 4, 2005 |
| An optical disk apparatus performing either one of recording and reproduction of an optical disk in which groove-shaped groove tracks and land tracks present between the groove tracks are alternately connected to each other in a spiral shape, includes: a recording and reproduction unit |
| 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 |
| 6906988 |
Method and apparatus for recording/reproducing information with respect to optical recording med |
June 14, 2005 |
| A method and an apparatus are provided, which enable a user's standby time to be shortened or utilized effectively in the course of recording/reproduction of information with respect to an optical disk. Information recorded on a disk is reproduced preferentially, and after counting f |
| 6735158 |
Multilayer optical disk, and method and device for recording optical information thereon |
May 11, 2004 |
| A disc capable of reproducing an address signal and a data signal correctly even by using a multilayer optical disc that includes a plurality of recording reproduction surfaces bonded together in a state in which front positions in sectors of the respective recording reproduction surface |
| 6683834 |
Information recording method, information recording/reproducing apparatus, and information recor |
January 27, 2004 |
| An information recording method has; a history determination step for determining whether or not a medium being cased and capable of being used for information recording and reproduction has previously been taken out from the case by using an identification section having historical i |
| 6606294 |
Optical disk having read-only and rewritable areas |
August 12, 2003 |
| The optical disk of this invention includes a read-only area in which a plurality of read-only tracks are formed and a rewritable area in which a plurality of rewritable tracks are formed, wherein each of the plurality of read-only tracks is divided into a plurality of first sectors, a s |
| 6587414 |
Information recording method, information recording/reproducing apparatus, and information recor |
July 1, 2003 |
| An information recording method has; a history determination step for determining whether or not a medium being cased and capable of being used for information recording and reproduction has previously been taken out from the case by using an identification section having historical i |
| 6560187 |
Information recording method, information recording/reproducing apparatus, and information recor |
May 6, 2003 |
| An information recording method has; a history determination step for determining whether or not a medium being cased and capable of being used for information recording and reproduction has previously been taken out from the case by using an identification section having historical i |
| 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 |
| 6469980 |
Optical disk and a recording/reproduction apparatus using multiple address block groups shifted |
October 22, 2002 |
| Address groups are composed of two of address blocks 16, 17, 18, and 19, where the address blocks 16, 17, 18, and 19 are disposed in a sector address region 5 and include identifiable information of address numbers 13 and overlapping sequential numbers 14. The address groups are disposed |
| 6456585 |
Optical disk and a recording/reproduction apparatus using multiple address block groups shifted |
September 24, 2002 |
| Address groups are composed of two of address blocks 16, 17, 18, and 19, where the address blocks 16, 17, 18, and 19 are disposed in a sector address region 5 and include identifiable information of address numbers 13 and overlapping sequential numbers 14. The address groups are disposed |
| 6452884 |
Information recording method, information recording/reproducing apparatus, and information recor |
September 17, 2002 |
| An information recording method has;a history determination stop for determining whether or not a medium being cased and capable of being used for information recording and reproduction has previously been taken out from the case by using an identification section having historical infor |
| 6438096 |
Optical disk and a recording/reproduction apparatus using multiple address block groups shifted |
August 20, 2002 |
| Address groups are composed of two of address blocks 16, 17, 18, and 19, where the address blocks 16, 17, 18, and 19 are disposed in a sector address region 5 and include identifiable information of address numbers 13 and overlapping sequential numbers 14. The address groups are disposed |
| 6430129 |
Information recording method, information recording/reproducing apparatus, and information recor |
August 6, 2002 |
| An information recording method has; a history determination step for determining whether or not a medium being cased and capable of being used for information recording and reproduction has previously been taken out from the case by using an identification section having historical |
| 6418111 |
Optical disk compatible with read-only disk and having read-only and rewritable areas with overl |
July 9, 2002 |
| The optical disk of this invention includes a read-only area in which a plurality of read-only tracks are formed and a rewritable area in which a plurality of rewritable tracks are formed, wherein each of the plurality of read-only tracks is divided into a plurality of first sectors, a s |
| 6396798 |
Optical disc with a rewritable area and a read-only area |
May 28, 2002 |
| An optical disc having both rewritable area and read-only area is disclosed. The rewritable area has a single spiral pattern of start track land at a leading edge, and a single spiral pattern of end track land at a trailing edge, whereby portions of the physical address area PID deviated |
| 6396778 |
Optical disk and a recording/reproduction apparatus thereof |
May 28, 2002 |
| Address groups are composed of two of address blocks 16, 17, 18, and 19, where the address blocks 16, 17, 18, and 19 are disposed in a sector address region 5 and include identifiable information of address numbers 13 and overlapping sequential numbers 14. The address groups are disposed |
| 6373815 |
Optical disc having oscillating lands and grooves |
April 16, 2002 |
| In an optical disc, an ID field contains a plurality of address information, and is preliminarily recorded in convex and concave signals, and is composed of two sets offset by about 1/2 track pitch toward the internal or external track direction adjacent to the guide track, an inform |
| 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 |
| 6317407 |
Optical disk having read-only and rewritable areas with overlapping formats |
November 13, 2001 |
| The optical disk of this invention includes a read-only area in which a plurality of read-only tracks are formed and a rewritable area in which a plurality of rewritable tracks are formed, wherein each of the plurality of read-only tracks is divided into a plurality of first sectors, a s |
| 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 |
| 6172960 |
Optical disk and recording/reproducing apparatus using multiple address block groups shifted opp |
January 9, 2001 |
| Address groups are composed of two of address blocks 16, 17, 18, and 19, where the address blocks 16, 17, 18, and 19 are disposed in a sector address region 5 and include identifiable information of address numbers 13 and overlapping sequential numbers 14. The address groups are disposed |
| 6167022 |
Optical disc having oscillating land and grooves |
December 26, 2000 |
| One or more optical discs, each having a ROM field having information with a length of at least one track formed in convex and concave pit rows, and a rewritable field capable of rewriting the information with a length of at least one track, an information unrecorded field having a lengt |
| 6160770 |
Information recording method, information recording/reproducing apparatus, and information recor |
December 12, 2000 |
| An information recording method has;a history determination step for determining whether or not a medium being cased and capable of being used for information recording and reproduction has previously been taken out from the case by using an identification section having historical infor |
| 6137768 |
Optical disc having oscillating lands and grooves |
October 24, 2000 |
| In an optical disc, an ID field contains a plurality of address information, and is preliminarily recorded in convex and concave signals, and is composed of two sets offset by about 1/2 track pitch toward the internal or external track direction adjacent to the guide track, an inform |
| 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 |
| 6097683 |
Information recording/reproducing apparatus and a method of recording information onto an inform |
August 1, 2000 |
| An information recording/reproducing apparatus and a method of recording data onto an information recording/reproducing media. The information recording/reproducing apparatus has the capability of handling the information recording/reproducing media both when they are not in the case |
| 6078559 |
Optical disk having read-only and rewritable areas with overlapping formats |
June 20, 2000 |
| An optical disk includes a read-only area in which a plurality of read-only tracks are formed and a rewritable area in which a plurality of rewritable tracks are formed, wherein each of the plurality of read-only tracks is divided into a plurality of first sectors, a signal is prerecorde |
| 5933410 |
Optical disc and optical disc driving apparatus |
August 3, 1999 |
| An optical disc using a single-spiral land and groove track format enabling accurate tracking offset correction and reliable detection of the transition point between a land track and a groove track, and a driving apparatus therefor. Four physical address areas PID1, PID2, PID3, and PID4 |
| 5930225 |
Two-layer optical disk |
July 27, 1999 |
| A two-layer optical disk has a first layer of a disk shaped recording medium for storing data and a second layer of a disk shaped recording medium placed over the first layer for storing data. Data blocks A, B, C are stored in the first layer in said order. Similarly, data blocks X, Y, |
| 5923640 |
Optical disc with a rewritable area and a read-only area |
July 13, 1999 |
| An optical disc having both rewritable area and read-only area is disclosed. The rewritable area has a single spiral pattern of start track land at a leading edge, and a single spiral pattern of end track land at a trailing edge, whereby portions of the physical address area PID deviated |
| 5898654 |
Optical disk and optical disk apparatus having a predetermined pattern of marks on tracks such t |
April 27, 1999 |
| An optical disk and optical disk apparatus used for accurately reproducing and recording information regardless of the physical distortions of disks and the electrical distortions of a tracking system. This is achieved in the present invention by providing an optical disk apparatus which |
| 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. |
| 5850382 |
Optical disk having a rewritable area and a read-only area |
December 15, 1998 |
| An optical disk is provided which includes a rewritable first recording area and a read-only second recording area. The first recording area includes groove tracks and land tracks divided into first sectors. Each first sector has a header region with identification data and a data re |
| 5838658 |
Optical disc |
November 17, 1998 |
| An optical disc using a single-spiral land and groove track format and an address signal enabling simple sector address management and format compatibility with read-only optical disc media is disclosed. Four physical address areas PID1-PID4 are recorded to a header area such that PI |
| 5835479 |
Optical information recording medium |
November 10, 1998 |
| A read-only zone or control zone is formed in an optical information recording medium wherein information signal are formed in both grooves and lands. Grooves are not formed in the control zone or read-only zone, and read-only data such as control data, audio-video data, or computer data |
| 5809007 |
Optical disk and optical disk reproduction apparatus |
September 15, 1998 |
| An optical disk of the present invention has one or more recording tracks formed concentrically or spirally on the disk to which data signals are recorded by forming different-length marks and spaces on the tracks. An ID signal combining marks and spaces of two or more predetermined leng |
| 5729525 |
Two-layer optical disk |
March 17, 1998 |
| A two-layer optical disk has a first layer of a disk shaped recording medium for storing data and a second layer of a disk shaped recording medium placed over the first layer for storing data. Data blocks A, B, C are stored in the first layer in said order. Similarly, data blocks X, Y, |
| 5615188 |
Recording method and recording and reproducing apparatus for optical disk |
March 25, 1997 |
| A a recording method and apparatus for an optical disk employs a data format having a fixed pattern sync portion in which a minimum run length of zeros and the maximum run length of zeros are not adjacent to each other. As such temperature difference caused during recording the optical |
| 5559782 |
Recording method and recording and reproducing apparatus for optical disk |
September 24, 1996 |
| A recording method and apparatus for an optical disk employs a data format having a fixed pattern sync portion in which a minimum run length of zeros and a maximum run length of zeros are not adjacent to each other. As such temperature difference caused during recording the optical disk |
| 5544137 |
Optical disc record/playback apparatus |
August 6, 1996 |
| An optical disc record and playback apparatus is provided in which it is possible to record and play back information on erasable discs, as well as write-once discs. When a disc is first inserted into the record and playback apparatus, data written on a control track of the disc is read |
| 5467330 |
Recording method and recording and reproducing apparatus for optical disk |
November 14, 1995 |
| A recording method and apparatus for an optical disk employs a data format having a fixed pattern sync portion in which a minimum run length of zeros and a maximum run length of zeros are not adjacent to each other. As such, temperature difference caused during recording the optical disk |
