Optical disk, and method apparatus for recording/reproducing data thereon wherein areas of the disk employ different formats

An optical disk comprising:

• a first area in which data recording and reproducing can be effected based on a first format;
• and a second area in which data for recognizing said disk can only be reproduced based on a second format, wherein the first area includes an area in which data recording and reproducing can be conducted having a first recording section in the shape of a land where recording and reproducing of data are conducted;
• a first half header section in which address information corresponding to the first recording section is recorded;
• a second recording section in the shape of a groove where recording and reproducing of data are conducted;
• and a second half header section, in which address information corresponding to the second recording section is recorded, and which is disposed adjacent to the first half header section in a zig-zag shifted manner;
• and wherein the second area includes an area which has a structure different from the first area and in which data for recognizing a disk can only be reproduced.

An optical disk comprising:

• a first area in which data recording and reproducing can be effected based on a first format;
• and a second area in which data for recognizing said disk can only be reproduced based on a second format, wherein the first area includes a rewritable area in which recording and reproducing of data can be conducted, said rewritable area having a first recording section in the shape of a land where recording and reproducing of data are conducted;
• a first half header section in which address information corresponding to the first recording section is recorded;
• a second recording section in the shape of a groove where recording and reproducing of data are conducted;
• and a second half header section, in which address information corresponding to the second recording section is recorded, and which is disposed adjacent to the first half header section in a zig-zag shifted manner;
• and wherein the second area includes an emboss data area, in which data is recorded in a different manner from the rewritable area, in which data is recorded by use of embossment consisting of a pit having a recess/protrusion profile, and in which data for recognizing a disk can only be reproduced.

An optical disk comprising:

• a first area in which data recording and reproducing can be effected based on a first format;
• and a second area in which data for recognizing said disk can only be reproduced based on a second format, wherein the first area includes a rewritable area in which recording and reproducing of data can be conducted, said rewritable area having a first recording section in the shape of a land where recording and reproducing of data are conducted;
• a first half header section in which address information corresponding to the first recording section is recorded;
• a second recording section in the shape of a groove where recording and reproducing of data are conducted;
• and a second half header section, in which address information corresponding to the second recording section is recorded, and which is disposed adjacent to the first half header section in a zig-zag shifted manner;
• and wherein the second area includes an emboss data area disposed in the inner side of the disk relative to the rewritable area, in which data is recorded in a different manner from the rewritable area, in which data is recorded by use of embossment consisting of a pit having a recess/protrusion profile, and in which data for recognizing the disk can only be reproduced.

An optical disk comprising:

• a first area in which data recording and reproducing can be effected based on a first format;
• and a second area in which data for recognizing said disk can only be reproduced based on a second format, wherein the first area includes a rewritable area in which recording and reproducing of data can be conducted having a first recording section in the shape of a land where recording and reproducing of data are conducted;
• a first half header section in which address information corresponding to the first recording section is recorded;
• a second recording section in the shape of a groove where recording and reproducing of data are conducted;
• and a second half header section, in which address information corresponding to the second recording section is recorded, and which is disposed adjacent to the first half header section in a zig-zag shifted manner;
• and wherein the second area includes an emboss data area, in which data is recorded in a different manner from the rewritable area, in which data is recorded by use of embossment consisting of a pit having a recess/protrusion profile, and in which data for recognizing the disk can only be reproduced prior to recording or reproducing of data on the rewritable area.

An optical disk comprising:

• a first area in which data recording and reproducing can be effected based on a first format;
• and a second area in which data for recognizing said disk can only be reproduced based on a second format, wherein the first area includes a rewritable area in which recording and reproducing of data can be conducted having a first recording section in the shape of a land where recording and reproducing of data are conducted;
• a first half header section in which address information corresponding to the first recording section is recorded;
• a second recording section in the shape of a groove where recording and reproducing of data are conducted;
• and a second half header section, in which address information corresponding to the second recording section is recorded, and which is disposed adjacent to the first half header section in a zig-zag shifted manner;
• and wherein the second area includes an emboss data area as a read-in area of the disk, in which data is recorded in a different manner from the rewritable area, in which data is recorded by use of embossment consisting of a pit having a recess/protrusion profile, and in which data for recognizing the disk can only be reproduced.

An optical disk, in which a plurality of land sectors are disposed along one round of a spiral track and a plurality of groove sectors are disposed along one round of the spiral track such that the plurality of land sectors and the plurality of groove sectors are alternately successively disposed on spiral tracks along a radial direction of said disk, comprising:

• a first rewritable data area including a first predetermined number of land sectors disposed along one round of a spiral track and the first predetermined number of groove sectors disposed along one round of the spiral track, a land sector including a first recording section in the shape of a land where data recording/reproducing is conducted and a first half header section located ahead of the first recording section, which indicates address information of data recorded and reproduced on the first recording section, and a groove sector including a second recording section in the shape of a groove where data recording/reproducing is conducted and a second half header section located ahead of the second recording section, which indicates address information of data recorded and reproduced on the second recording section, said second half header section being disposed adjacent to the first half header section in a zig-zag shifted manner;
• a first change area located in the vicinity of the first rewritable data area, where data write is performed when data write is not performed in the first rewritable data area in an orderly manner, said first change area being associated with said land sectors and said groove sectors in said first rewritable data area;
• a second rewritable data area including a second predetermined number of land sectors disposed along one round of the spiral track and the second predetermined number of groove sectors disposed along one round of the spiral track, wherein the second predetermined number is different from the first predetermined number;
• and
• a second change area located in the vicinity of the second rewritable data area, where data write is performed when data write is not performed in the second rewritable data area in an orderly manner, said second change area being associated with said land sectors and said groove sectors in said second rewritable data area.

An optical disk comprising:

• a plurality of land areas and a plurality of groove areas formed on a disk made of resin in a spiral or circular configuration such that each full round of said configuration consists of one of a land area and a groove area, and such that a land area and a groove area are alternately disposed in a sequential manner along a radial direction of said disk;
• and
• a plurality of tracks formed on said plurality of land areas and said plurality of groove areas, said plurality of tracks being partitioned into a plurality of zones on said disk from a radially inner portion to a radially outer portion thereof, said plurality of tracks also being circumferentially partitioned into a plurality of sector areas such that sector areas on each track abut sector areas on an adjacent track, said sector areas each including an address area where address data specifying the location of the sector area on the track is recorded, and also including a recording area where arbitrary data is recorded, wherein the number of sector areas per track within said zones increases by one between adjacent zones from a radially inner portion of said disk to a radially outer portion thereof, the plurality of sector areas also including a plurality of block areas having a plurality of error correction recording areas that record error correction data in order to accurately reproduce the recorded arbitrary data, wherein the disk in use is rotated such that a rotation number of the disk in said zones is sequentially slowed between adjacent zones from a radially inner portion of said disk to a radially outer portion thereof such that a product of the rotation number and the number of sector areas per track in each zone is held constant;
• said plurality of tracks including a rewritable area in which recording and reproducing of data can be conducted, said rewritable area having a first recording section in the shape of a land where data recording/reproducing is performed, a first half header section in which address information corresponding to the first recording section is recorded, a second recording section in the shape of a groove where data recording/reproducing is performed, and a second half header section, in which address information corresponding to the second recording section is recorded, and which is disposed adjacent to the first half header section in a zig-zag shifted manner.

An optical disk recording apparatus, comprising:

• an optical disk having a first area in which data recording and reproducing can be effected based on a first format, and a second area in which data for recognizing said disk can only be reproduced based on a second format;
• wherein the first area includes a first recording section in the shape of a land where recording and reproducing of data are conducted;
• a first half header section in which address information corresponding to the first recording section is recorded;
• a second recording section in the shape of a groove where recording and reproducing of data are conducted;
• and a second half header section, in which address information corresponding to the second recording section is recorded, and which is disposed adjacent to the first half header section in a zigzag shifted manner;
• means for receiving data from an external apparatus;
• means for holding and rotating said disk;
• and
• means for recording said received data on said disk.

An optical disk recording apparatus, comprising:

• an optical disk, in which a plurality of land sectors are disposed along one round of a spiral track and a plurality of groove sectors are disposed along one round of the spiral track such that the plurality of land sectors and the plurality of groove sectors are alternately successively disposed on spiral tracks along a radial direction of said disk, said disk comprising,
• a first rewritable data area including a first predetermined number of land sectors disposed along one round of a spiral track and the first predetermined number of groove sectors disposed along one round of the spiral track, a land sector including a first recording section in the shape of a land where data recording/reproducing is conducted and a first half header section located ahead of the first recording section, which indicates address information of data recorded and reproduced on the first recording section, and a groove sector including a second recording section in the shape of a groove where data recording/reproducing is conducted and a second half header section located ahead of the second recording section, which indicates address information of data recorded and reproduced on the second recording section, said second half header section being disposed adjacent to the first half header section in a zig-zag shifted manner,
• a first change area located in the vicinity of the first rewritable data area, where data write is performed when data write is not performed in the first rewritable data area in an orderly manner, said first change area being associated with said land sectors and said groove sectors in said first rewritable data area,
• a second rewritable data area including a second predetermined number of land sectors disposed along one round of the spiral track and the second predetermined number of groove sectors disposed along one round of the spiral track, wherein the second predetermined number is different from the first predetermined number, and
• a second change area located in the vicinity of the second rewritable data area, where data write is performed when data write is not performed in the second rewritable data area in an orderly manner, said second change area being associated with said land sectors and said groove sectors in said second rewritable data area;
• means for receiving data from an external apparatus;
• means for holding and rotating said disk;
• and
• means for recording said received data on said disk.

An optical disk recording apparatus, comprising:

• an optical disk, said disk having a plurality of land areas and a plurality of groove areas formed on a disk made of resin in a spiral or circular configuration such that each full round of said configuration consists of one of a land area and a groove area, and such that a land area and a groove area are alternately disposed in a sequential manner along a radial direction of said disk,
• said disk further having a plurality of tracks formed on said plurality of land areas and said plurality of groove areas, said plurality of tracks being partitioned into a plurality of zones on said disk from a radially inner portion to a radially outer portion thereof, said plurality of tracks also being circumferentially partitioned into a plurality of sector areas such that sector areas on each track abut sector areas on an adjacent track, said sector areas each including an address area where address data specifying the location of the sector area on the track is recorded, and also including a recording area where arbitrary data is recorded, wherein the number of sector areas per track within said zones increases by one between adjacent zones from a radially inner portion of said disk to a radially outer portion thereof, the plurality of sector areas also including a plurality of block areas having a plurality of error correction recording areas that record error correction data in order to accurately reproduce the recorded arbitrary data, wherein the disk in use is rotated such that a rotation number of the disk in said zones is sequentially slowed between adjacent zones from a radially inner portion of said disk to a radially outer portion thereof such that a product of the rotation number and the number of sector areas per track in each zone is held constant,
• said plurality of tracks including a rewritable area in which recording and reproducing of data can be conducted, said rewritable area having a first recording section in the shape of a land where data recording/reproducing is performed, a first half header section in which address information corresponding to the first recording section is recorded, a second recording section in the shape of a groove where data recording/reproducing is performed, and a second half header section, in which address information corresponding to the second recording section is recorded, and which is disposed adjacent to the first half header section in a zig-zag shifted manner;
• means for receiving data from an external apparatus;
• means for holding and rotating said disk;
• and
• means for recording said received data on said disk.

A method of recording data on an optical disk, said method comprising:

• receiving data from an external apparatus;
• holding and rotating said disk;
• and
• recording said received data on said disk, said disk having a first area in which data recording and reproducing can be effected based on a first format, and a second area in which data for recognizing a disk can only be reproduced based on a second format;
• wherein the first area includes a first recording section in the shape of a land where recording and reproducing of data are conducted;
• a first half header section in which address information corresponding to the first recording section is recorded;
• a second recording section in the shape of a groove where recording and reproducing of data are conducted;
• and a second half header section, in which address information corresponding to the second recording section is recorded, and which is disposed adjacent to the first half header section in a zig-zag shifted manner.

A method of recording data on an optical disk, said method comprising:

• receiving data from an external apparatus;
• holding and rotating said disk;
• and
• recording said received data on said disk, said disk having a plurality of land sectors disposed along one round of a spiral track and a plurality of groove sectors disposed along one round of the spiral track such that the plurality of land sectors and the plurality of groove sectors are alternately successively disposed on spiral tracks along a radial direction of said disk, said disk comprising,
• a first rewritable data area including a first predetermined number of land sectors disposed along one round of a spiral track and the first predetermined number of groove sectors disposed along one round of the spiral track, a land sector including a first recording section in the shape of a land where data recording/reproducing is conducted and a first half header section located ahead of the first recording section, which indicates address information of data recorded and reproduced on the first recording section, and a groove sector including a second recording section in the shape of a groove where data recording/reproducing is conducted and a second half header section located ahead of the second recording section, which indicates address information of data recorded and reproduced on the second recording section, said second half header section being disposed adjacent to the first half header section in a zig-zag shifted manner,
• a first change area located in the vicinity of the first rewritable data area, where data write is performed when data write is not performed in the first rewritable data area in an orderly manner, said first change area being associated with said land sectors and said groove sectors in said first rewritable data area,
• a second rewritable data area including a second predetermined number of land sectors disposed along one round of the spiral track and the second predetermined number of groove sectors disposed along one round of the spiral track, wherein the second predetermined number is different from the first predetermined number, and
• a second change area located in the vicinity of the second rewritable data area, where data write is performed when data write is not performed in the second rewritable data area in an orderly manner, said second change area being associated with said land sectors and said groove sectors in said second rewritable data area.

A method of recording data on an optical disk, said method comprising:

• receiving data from an external apparatus;
• holding and rotating said disk;
• and
• recording said received data on said disk, said disk having a plurality of land areas and a plurality of groove areas formed on a disk made of resin in a spiral or circular configuration such that each full round of said configuration consists of one of a land area and a groove area, and such that a land area and a groove area are alternately disposed in a sequential manner along a radial direction of said disk,
• said disk further having a plurality of tracks formed on said plurality of land areas and said plurality of groove areas, said plurality of tracks being partitioned into a plurality of zones on said disk from a radially inner portion to a radially outer portion thereof, said plurality of tracks also being circumferentially partitioned into a plurality of sector areas such that sector areas on each track abut sector areas on an adjacent track, said sector areas each including an address area where address data specifying the location of the sector area on the track is recorded, and also including a recording area where arbitrary data is recorded, wherein the number of sector areas per track within said zones increases by one between adjacent zones from a radially inner portion of said disk to a radially outer portion thereof, the plurality of sector areas also including a plurality of block areas having a plurality of error correction recording areas that record error correction data in order to accurately reproduce the recorded arbitrary data, wherein the disk in use is rotated such that a rotation number of the disk in said zones is sequentially slowed between adjacent zones from a radially inner portion of said disk to a radially outer portion thereof such that a product of the rotation number and the number of sector areas per track in each zone is held constant,
• said plurality of tracks including a rewritable area in which recording and reproducing of data can be conducted, said rewritable area having a first recording section in the shape of a land where data recording/reproducing is performed, a first half header section in which address information corresponding to the first recording section is recorded, a second recording section in the shape of a groove where data recording/reproducing is performed, and a second half header section, in which address information corresponding to the second recording section is recorded, and which is disposed adjacent to the first half header section in a zig-zag shifted manner.

An optical disk reproducing apparatus, comprising:

• an optical disk having a first area in which data recording and reproducing can be effected based on a first format, and a second area in which data for recognizing said disk can only be reproduced based on a second format;
• wherein the first area includes a first recording section in the shape of a land where recording and reproducing of data are conducted;
• a first half header section in which address information corresponding to the first recording section is recorded;
• a second recording section in the shape of a groove where recording and reproducing of data are conducted;
• and a second half header section, in which address information corresponding to the second recording section is recorded, and which is disposed adjacent to the first half header section in a zig-zag shifted manner;
• means for holding and rotating said disk;
• and
• means for detecting and reproducing data stored on said disk.

An optical disk reproducing apparatus, comprising:

• an optical disk, in which a plurality of land sectors are disposed along one round of a spiral track and a plurality of groove sectors are disposed along one round of the spiral track such that the plurality of land sectors and the plurality of groove sectors are alternately successively disposed on spiral tracks along a radial direction of said disk, said disk comprising,
• a first rewritable data area including a first predetermined number of land sectors disposed along one round of a spiral track and the first predetermined number of groove sectors disposed along one round of the spiral track, a land sector including a first recording section in the shape of a land where data recording/reproducing is conducted and a first half header section located ahead of the first recording section, which indicates address information of data recorded and reproduced on the first recording section, and a groove sector including a second recording section in the shape of a groove where data recording/reproducing is conducted and a second half header section located ahead of the second recording section, which indicates address information of data recorded and reproduced on the second recording section, said second half header section being disposed adjacent to the first half header section in a zig-zag shifted manner,
• a first change area located in the vicinity of the first rewritable data area, where data write is performed when data write is not performed in the first rewritable data area in an orderly manner, said first change area being associated with said land sectors and said groove sectors in said first rewritable data area,
• a second rewritable data area including a second predetermined number of land sectors disposed along one round of the spiral track and the second predetermined number of groove sectors disposed along one round of the spiral track, wherein the second predetermined number is different from the first predetermined number, and
• a second change area located in the vicinity of the second rewritable data area, where data write is performed when data write is not performed in the second rewritable data area in an orderly manner, said second change area being associated with said land sectors and said groove sectors in said second rewritable data area;
• means for holding and rotating said disk;
• and
• means for detecting and reproducing data stored on said disk.

An optical disk reproducing apparatus, comprising:

• an optical disk, said disk having a plurality of land areas and a plurality of groove areas formed on a disk made of resin in a spiral or circular configuration such that each full round of said configuration consists of one of a land area and a groove area, and such that a land area and a groove area are alternately disposed in a sequential manner along a radial direction of said disk,
• said disk further having a plurality of tracks formed on said plurality of land areas and said plurality of groove areas, said plurality of tracks being partitioned into a plurality of zones on said disk from a radially inner portion to a radially outer portion thereof, said plurality of tracks also being circumferentially partitioned into a plurality of sector areas such that sector areas on each track abut sector areas on an adjacent track, said sector areas each including an address area where address data specifying the location of the sector area on the track is recorded, and also including a recording area where arbitrary data is recorded, wherein the number of sector areas per track within said zones increases by one between adjacent zones from a radially inner portion of said disk to a radially outer portion thereof, the plurality of sector areas also including a plurality of block areas having a plurality of error correction recording areas that record error correction data in order to accurately reproduce the recorded arbitrary data, wherein the disk in use is rotated such that a rotation number of the disk in said zones is sequentially slowed between adjacent zones from a radially inner portion of said disk to a radially outer portion thereof such that a product of the rotation number and the number of sector areas per track in each zone is held constant,
• said plurality of tracks including a rewritable area in which recording and reproducing of data can be conducted, said rewritable area having a first recording section in the shape of a land where data recording/reproducing is performed, a first half header section in which address information corresponding to the first recording section is recorded, a second recording section in the shape of a groove where data recording/reproducing is performed, and a second half header section, in which address information corresponding to the second recording section is recorded, and which is disposed adjacent to the first half header section in a zig-zag shifted manner;
• means for holding and rotating said disk;
• and
• means for detecting and reproducing data stored on said disk.

A method of reproducing data stored on an optical disk, said method comprising:

• holding and rotating said disk;
• and
• detecting and reproducing data stored on said disk, said disk having a first area in which data recording and reproducing can be effected based on a first format, and a second area in which data for recognizing said disk can only be reproduced based on a second format;
• wherein the first area includes a first recording section in the shape of a land where recording and reproducing of data are conducted;
• a first half header section in which address information corresponding to the first recording section is recorded;
• a second recording section in the shape of a groove where recording and reproducing of data are conducted;
• and a second half header section, in which address information corresponding to the second recording section is recorded and which is disposed adjacent to the first half header section in a zig-zag shifted manner.

A method of reproducing data stored on an optical disk, said method comprising:

• holding and rotating said disk;
• and
• detecting and reproducing data stored on said disk, said disk having a plurality of land sectors disposed along one round of a spiral track and a plurality of groove sectors disposed along one round of the spiral track such that the plurality of land sectors and the plurality of groove sectors are alternately successively disposed on spiral tracks along a radial direction of said disk, said disk comprising,
• a first rewritable data area including a first predetermined number of land sectors disposed along one round of a spiral track and the first predetermined number of groove sectors disposed along one round of the spiral track, a land sector including a first recording section in the shape of a land where data recording/reproducing is conducted and a first half header section located ahead of the first recording section, which indicates address information of data recorded and reproduced on the first recording section, and a groove sector including a second recording section in the shape of a groove where data recording/reproducing is conducted and a second half header section located ahead of the second recording section, which indicates address information of data recorded and reproduced on the second recording section, said second half header section being disposed adjacent to the first half header section in a zig-zag shifted manner,
• a first change area located in the vicinity of the first rewritable data area, where data write is performed when data write is not performed in the first rewritable data area in an orderly manner, said first change area being associated with said land sectors and said groove sectors in said first rewritable data area,
• a second rewritable data area including a second predetermined number of land sectors disposed along one round of the spiral track and the second predetermined number of groove sectors disposed along one round of the spiral track, wherein the second predetermined number is different from the first predetermined number, and
• a second change area located in the vicinity of the second rewritable data area, where data write is performed when data write is not performed in the second rewritable data area in an orderly manner, said second change area being associated with said land sectors and said groove sectors in said second rewritable data area.

A method of reproducing data stored on an optical disk, said method comprising:

• holding and rotating said disk;
• and
• detecting and reproducing data stored on said disk, said disk having a plurality of land areas and a plurality of groove areas formed on a disk made of resin in a spiral or circular configuration such that each full round of said configuration consists of one of a land area and a groove area, and such that a land area and a groove area are alternately disposed in a sequential manner along a radial direction of said disk,
• said disk further having a plurality of tracks formed on said plurality of land areas and said plurality of groove areas, said plurality of tracks being partitioned into a plurality of zones on said disk from a radially inner portion to a radially outer portion thereof, said plurality of tracks also being circumferentially partitioned into a plurality of sector areas such that sector areas on each track abut sector areas on an adjacent track, said sector areas each including an address area where address data specifying the location of the sector area on the track is recorded, and also including a recording area where arbitrary data is recorded, wherein the number of sector areas per track within said zones increases by one between adjacent zones from a radially inner portion of said disk to a radially outer portion thereof, the plurality of sector areas also including a plurality of block areas having a plurality of error correction recording areas that record error correction data in order to accurately reproduce the recorded arbitrary data, wherein the disk in use is rotated such that a rotation number of the disk in said zones is sequentially slowed between adjacent zones from a radially inner portion of said disk to a radially outer portion thereof such that a product of the rotation number and the number of sector areas per track in each zone is held constant,
• said plurality of tracks including a rewritable area in which recording and reproducing of data can be conducted, said rewritable area having a first recording section in the shape of a land where data recording/reproducing is performed, a first half header section in which address information corresponding to the first recording section is recorded, a second recording section in the shape of a groove where data recording/reproducing is performed, and a second half header section, in which address information corresponding to the second recording section is recorded, and which is disposed adjacent to the first half header section in a zig-zag shifted manner.