Optical information storage medium and method of and apparatus for recording data thereon

Abstract

An optical information storage medium and a method of recording thereon. The optical information storage medium has a lead-in area, a user data area and a lead-out area, and data indicating a maximum and/or a minimum writing speed, maximum and minimum writing speeds, or compatible writing speeds is recorded in a recordable region of at least one of the lead-in area and the lead-out area. The optical information storage medium and the method of recording on the media enable a disc drive to reliably record data on a disc which cannot achieve a prescribed recording speed due to manufacturing conditions, at an optimal speed considering the pre-recorded writing speed data.

What is claimed is:  
     
         1 . An optical information storage medium having a lead-in area, a user data area, and a lead-out area, wherein a maximum writing speed is recorded in at least one of the lead-in area and the lead-out area.  
     
     
         2 . The medium of  claim 1 , wherein the at least one of the lead-in area and the lead-out area comprises a recordable region, and the maximum writing speed is recorded in the recordable region.  
     
     
         3 . The medium of  claim 2 , wherein the other one of the lead-in area and the lead-out area comprises another recordable region, and the maximum writing speed is recorded in the recordable region and the another recordable region of both the lead-in area and the lead-out area.  
     
     
         4 . The medium of  claim 2 , wherein the recordable region comprises a disc ID zone in which disc ID information is recorded, and which comprises at least one disc ID information region and a reserved region, and the maximum writing speed is recorded in the at least one disc ID information region or the reserved region.  
     
     
         5 . The medium of  claim 4 , wherein the recordable region comprises a predetermined byte, and the maximum writing speed is recorded as a speed flag by using at least one bit of the predetermined byte of the recordable region.  
     
     
         6 . The medium of  claim 2 , wherein the recordable region comprises a predetermined byte, and the maximum writing speed is recorded as a speed flag by using at least one bit of the predetermined byte of the recordable region.  
     
     
         7 . The medium of  claim 2 , wherein a minimum writing speed is further recorded in the recordable region of the at least one of the lead-in area and the lead-out area.  
     
     
         8 . The medium of  claim 7 , wherein the recordable region comprises a disc ID zone in which disc ID information is recorded, and which comprises at least one disc ID information region and a reserved region, and the maximum writing speed and the minimum writing speed are recorded in the at least one disc ID information region or the reserved region.  
     
     
         9 . The medium of  claim 7 , wherein the recordable region comprises a predetermined byte, and the maximum writing speed and the minimum writing speed are each recorded as a speed flag by using at least one bit of the predetermined byte of the recordable region.  
     
     
         10 . The medium of  claim 7 , wherein the other one of the lead-in area and the lead-out area comprises another recordable region, and the maximum writing speed and the minimum writing speed are recorded in the recordable region and the another recordable region of both the lead-in area and the lead-out area.  
     
     
         11 . An optical information storage medium having a lead-in area, a user data area and a lead-out area, wherein information indicating compatible writing speeds is recorded in at least one of the lead-in area and the lead-out area.  
     
     
         12 . The medium of  claim 10 , wherein the at least one of the lead-in area and the lead-out area comprises a recordable region, and the information indicating the compatible writing speeds is recorded in the recordable region.  
     
     
         13 . The medium of  claim 12 , wherein the recordable region comprises a predetermined byte, and the information on each of the compatible writing speeds is recorded by a corresponding bit of the predetermined byte of the recordable region.  
     
     
         14 . The medium of  claim 13 , wherein the recordable region comprises a disc ID zone in which disc ID information is recorded, and which has at least one disc ID information region and a reserved region, and the information indicating the compatible writing speeds is recorded in the at least one disc ID information region or the reserved region.  
     
     
         15 . The medium of  claim 13 , wherein the other one of the lead-in area and the lead-out area comprises another recordable region, and the information indicating the compatible writing speeds is recorded in the recordable region and the another recordable region of both the lead-in area and the lead-out area.  
     
     
         16 . The medium of  claim 12 , wherein the recordable region comprises a disc ID zone in which disc ID information is recorded and which has at least one disc ID information region and a reserved region, and the information indicating the compatible writing speeds is recorded in the at least one disc ID information region or the reserved region.  
     
     
         17 . A method of recording data on an optical information storage medium having a lead-in area, a user data area, and a lead-out area, the method comprising: 
 recording a maximum writing speed in at least one of the lead-in area and the lead-out area; and    recording the data on the optical information storage medium at an optimal speed determined based on the maximum wiring speed.    
     
     
         18 . The method of  claim 16 , wherein the at least one of the lead-in area and the lead-out area comprises a recordable region, and the recording of the maximum writing speed comprises: 
 recording the maximum writing speed in the recordable region.    
     
     
         19 . The method of  claim 18 , wherein the other one of the lead-in area and the lead-out area comprises another recordable region, and the recording of the maximum writing speed comprises: 
 recording the maximum writing speed in the recordable region and the another recordable region of both the lead-in area and the lead-out area.    
     
     
         20 . The method of  claim 18 , wherein the recordable region comprises a disc ID zone in which disc ID information is recorded, and which has at least one disc ID information region and a reserved region, and the recording of the maximum writing speed comprises: 
 recording the maximum writing speed in the at least one disc ID information region or the reserved region.    
     
     
         21 . The method of  claim 18 , wherein the recordable region comprises a predetermined byte, and the recording of the maximum writing speed comprises: 
 recording the maximum writing speed as a speed flag by using at least one bit of the predetermined byte of the recordable region.    
     
     
         22 . The method of  claim 18 , wherein the recordable region comprises a predetermined byte, and the recording of the maximum writing speed comprises: 
 recording the maximum writing speed as a speed flag by using at least one bit of the predetermined byte of the recordable region.    
     
     
         23 . The method of  claim 18 , wherein the recording of the maximum writing speed comprises: 
 recording a minimum writing speed in the recordable region of the at least one of the lead-in area and the lead-out area.    
     
     
         24 . The method of  claim 23 , wherein the other one of the lead-in area and the lead-out area comprises another recordable region, and the recording of the maximum writing speed and the minimum writing speed comprises: 
 recording the maximum writing speed and the minimum writing speed in the recordable region and the another recordable region of both the lead-in area and the lead-out area.    
     
     
         25 . The method of  claim 23 , wherein the recordable region comprises a disc ID zone in which disc ID information is recorded, and which comprises at least one disc ID information region and a reserved region, and the maximum writing speed and the minimum writing speed are recorded in the at least one disc ID information region or the reserved region.  
     
     
         26 . The method of  claim 23 , wherein the recordable region comprises a predetermined byte, and the recording of the maximum writing speed and the minimum writing speed comprises: 
 recording the maximum writing speed and the minimum writing speed as a speed flag by using at least one bit of a predetermined byte of the recordable region.    
     
     
         27 . A method of recording data on an optical information storage medium having a lead-in area, a user data area and a lead-out area, the method comprising: 
 recording information indicating compatible writing speeds in a recordable region of at least one of the lead-in area and the lead-out area; and    recording the data on the optical information storage medium at an optimal speed determined based on a maximum writing speed corresponding to one of the compatible writing speeds.    
     
     
         28 . The method of  claim 24 , wherein the at least one of the lead-in area and the lead-out area comprises a recordable region, and the recording of the information indicating the compatible writing speeds comprises: 
 recording the information indicating the compatible writing speeds in the recordable region.    
     
     
         29 . The method of  claim 28 , wherein the recordable region comprises a predetermined byte, and the recording of the information indicating each of the compatible writing speeds comprises: 
 recording a corresponding bit of the predetermined byte of the recordable region.    
     
     
         30 . The method of  claim 28 , wherein the recordable region comprises a disc ID zone in which disc ID information is recorded, and which has at least one disc ID information region and a reserved region, and the recording of the information indicating the compatible writing speeds comprises: 
 recording the information in the at least one disc ID information region or the reserved region.    
     
     
         31 . A method of recording data on an optical information storage medium having a lead-in area, a user data area, and a lead-out area in a reproducing apparatus, the method comprising: 
 reading information representing a writing speed from a recordable region of at least one of the lead-in area and the lead-out area; and    recording the data on the optical information storage medium at the writing speed of the information.    
     
     
         32 . The method of  claim 31 , wherein the at least one of the lead-in area and the lead-out area comprises a recordable region, and the reading of the information representing the writing speed comprises: 
 reading the information representing the writing speed from the recordable region.    
     
     
         33 . The method of  claim 32 , further comprising: 
 recording the information in the recordable region of at least one of the lead-in area and the lead-out area.    
     
     
         34 . The method of  claim 32 , wherein the at least one of the lead-in area and the lead-out area comprises an embossed data zone, a mirror zone, and a rewriting data zone, and the recordable region is disposed in the rewriting data zone, and the method further comprises: 
 recording the information in the rewriting data zone of at least one of the lead-in area and the lead-out area at the writing speed.    
     
     
         35 . The method of  claim 34 , wherein the embossed data zone of the at least one of the lead-in area and the lead-out area comprises another information representing another writing speed, and the recording of the data comprises: 
 recording the data at the writing speed instead of the another writing speed.    
     
     
         36 . The method of  claim 32 , wherein the writing speed comprises a maximum writing speed and a minimum writing speed, and the recording of the data comprises: 
 recording the data on the optical information storage medium at one of the maximum writing speed and the minimum writing speed.    
     
     
         37 . The method of  claim 32 , wherein the writing speed comprises a maximum writing speed and a minimum writing speed, and the recording of the data comprises: 
 recording the data on the optical information storage medium at a speed between the maximum writing speed and the minimum writing speed.    
     
     
         38 . The method of  claim 32 , wherein the recording of the data comprises: 
 rotating the optical information storage medium at the writing speed according to the read information.    
     
     
         39 . The method of  claim 32 , wherein the recordable region of the at least one of the lead-in area and the lead-out area comprises a byte representing the writing speed, and the reading of the information comprises: 
 reading the byte from the recordable region of the at least one of the lead-in area and the lead-out area to obtain the information.    
     
     
         40 . The method of  claim 32 , wherein the recordable region of the at least one of the lead-in area and the lead-out area comprises at least two bits representing the writing speed, and the reading of the information comprises: 
 reading the at least two bits from the recordable region of the at least one of the lead-in area and the lead-out area to obtain the information.    
     
     
         41 . The method of  claim 32 , wherein the writing speed comprises a maximum writing speed and a minimum writing speed, the recordable region of the at least one of the lead-in area and the lead-out area comprises first bits representing the maximum writing speed and second bits representing the minimum writing speed, and the reading of the information comprises: 
 reading the first bits and the second bits from the recordable region of the at least one of the lead-in area and the lead-out area to obtain the information.    
     
     
         42 . The method of  claim 41 , wherein the number of the first bits and the number of the second bits are the same.  
     
     
         43 . The method of  claim 41 , wherein a sum of the number of the first bits and the number of the second bits is 8 bits.  
     
     
         44 . The method of  claim 41 , wherein the recording of the data on the optical information storage medium comprises: 
 recording the data in the user data area of the optical information storage medium at one of the first and second writing speeds according to the first and second information.    
     
     
         45 . The method of  claim 32 , wherein the reproducing apparatus comprises a disc drive able to rotate the optical information storage medium at a speed between a maximum writing speed and a maximum writing speed to record the data on the optical information storage medium, and the writing speed is the maximum writing speed of the disc drive.  
     
     
         46 . The method of  claim 32 , wherein the writing speed comprises a plurality of sub-writing speeds, the recordable region of the at least one of the lead-in area and the lead-out area comprises a plurality of bits each representing a corresponding one of the sub-writing speeds, and the reading of the information comprises: 
 reading the bits from the recordable region of the at least one of the lead-in area and the lead-out area to obtain the sub-writing speeds.    
     
     
         47 . The method of  claim 46 , wherein the reading of the bits comprises: 
 recording the data on the optical information storage medium at one of the sub-writing speeds corresponding to one of the bits.    
     
     
         48 . The method of  claim 46 , wherein the bits are arranged to represent corresponding ones of the sub-writing speeds according to a bit position of the bits in the recordable region.  
     
     
         49 . The method of  claim 48 , wherein the bits each have a writing characteristic of the corresponding one of the sub-writing speeds.  
     
     
         50 . The method of  claim 49 , wherein each of the bits comprises one of a first state and a second state, the first state indicates that the reproducing apparatus records the data on the optical information storage medium at the corresponding sub-writing speed according to the first state, and the second state indicates that the reproducing apparatus does not record the data on the optical information storage medium at the corresponding sub-writing speed according to the second state.  
     
     
         51 . The method of  claim 50 , wherein the recording of the data on the optical information storage medium at the one of the sub-writing speeds corresponding to one of the bits, comprises: 
 preventing the reproducing apparatus to record the data at the one of the sub-writing speeds corresponding to one of the bits when the one of the bits is the second state.    
     
     
         52 . The method of  claim 32 , wherein the writing speed comprises first through Nth sub-writing speeds, the recordable region of the at least one of the lead-in area and the lead-out area comprises first through Nth bits representing the first through N sub-writing speeds according to bit positions of the first through Nth bits, respectively, N is a natural number, and the reading of the information comprises: 
 reading the first through Nth bits from the recordable region of the at least one of the lead-in area and the lead-out area to obtain the first through Nth sub-writing speeds.    
     
     
         53 . The method of  claim 52 , wherein each of the first through Nth bits comprises one of a first state and a second state, the first state indicates that the data is recorded on the optical information storage medium at one of the first through Nth sub-writing speeds corresponding to one of the first through Nth bits, and the second state indicates that the data is recorded on the optical information storage medium at one of the first through Nth sub-writing speeds corresponding to one of the first through Nth bits.  
     
     
         54 . The method of  claim 53 , wherein the recording of the data comprises: 
 preventing the reproducing apparatus from recording the data at the one of the first through Nth sub-writing speeds corresponding to the one of the first through Nth bits when the one of the first through Nth bits is the second state.    
     
     
         55 . The method of  claim 53 , wherein the recording of the data comprises: 
 allowing the reproducing apparatus to record the data at one of the first through Nth sub-writing speeds corresponding to the one of the first through Nth bits having the first state.    
     
     
         56 . A method of reading data from an optical information storage medium having a lead-in area, a user data area, and a lead-out area in a reproducing apparatus, the method comprising: 
 reading information representing a writing speed from a recordable region of at least one of the lead-in area and the lead-out area; and    rotating the optical information storage medium at the writing speed according to the read information.    
     
     
         57 . A method of reading data from an optical information storage medium having a lead-in area, a user data area, and a lead-out area in a reproducing apparatus, one of the lead-in and lead-in areas having an embossed data zone, a mirror zone, and a rewriting data zone, the method comprising: 
 reading information representing a writing speed from the one of the lead-in area and the lead-out area; and    rotating the optical information storage medium at the writing speed according to the read information    
     
     
         58 . The method of  claim 57 , wherein the reading of the information representing the writing speed comprises: 
 reading the information representing the writing speed from the rewriting data zone of the one of the lead-in area and the lead-out area.    
     
     
         59 . The method of  claim 58 , wherein the rewriting data zone of the one of the lead-in and lead-out areas comprises a disc test zone, a drive test zone, a disc ID zone, and a defect management zone, and the reading of the information comprises: 
 reading the information from one of the disc test zone, the drive test zone, the disc ID zone, and the defect management zone    
     
     
         60 . The method of  claim 59 , wherein the disc ID zone of the rewriting data zone of the one of the lead-in and lead-out areas comprises at least one of disc ID information regions and a reserved region, and the reading of the information comprises: 
 reading the information from the at least one of the at least one of the disc ID information regions and the reserved region.    
     
     
         61 . A method of reading data from an optical information storage medium having a lead-in area, a user data area, and a lead-out area in a reproducing apparatus, one of the lead-in and lead-in areas having an embossed data zone, a mirror zone, and a rewriting data zone, the method comprising: 
 reading first information representing a first writing speed from the embossed data zone of the lead-in area;    reading second information representing a second writing speed from the one of the lead-in area and the lead-out area; and    rotating the optical information storage medium at the writing speed according to the read second information instead of the first writing speed of the first information.    
     
     
         62 . The method of  claim 61 , wherein the reading of the second information representing the second writing speed comprises: 
 reading the second information representing the second writing speed from the rewriting data zone of the one of the lead-in area and the lead-out area.    
     
     
         63 . A method of reading data from an optical information storage medium having a lead-in area, a user data area, and a lead-out area in a reproducing apparatus, one of the lead-in and lead-in areas having an embossed data zone having first information representing a first writing speed, a mirror zone, and a rewriting data zone, the method comprising: 
 reading second information representing a second writing speed from the one of the lead-in area and the lead-out area; and    rotating the optical information storage medium at the writing speed according to the read second information instead of the first writing speed of the first information.    
     
     
         64 . The method of  claim 63 , wherein the reading of the second information representing the second writing speed comprises: 
 reading second information representing the second writing speed from the rewriting data zone of the one of the lead-in area and the lead-out area.    
     
     
         65 . A method of recording data on an optical information storage medium having a lead-in area, a user data area, and a lead-out area in a reproducing apparatus, one of the lead-in and lead-in areas having an embossed data zone having first information representing a first writing speed, a mirror zone, and a rewriting data zone, the method comprising: 
 reading second information representing a second writing speed from the one of the lead-in area and the lead-out area; and    recording the data on the optical information storage medium at the second writing speed according to the read second information instead of the first writing speed of the first information.    
     
     
         66 . The method of  claim 65 , wherein the reading of the second information representing the second writing speed comprises: 
 reading second information representing the second writing speed from the rewriting data zone of the one of the lead-in area and the lead-out area.    
     
     
         67 . A method of recording data from an optical information storage medium having a lead-in area, a user data area, and a lead-out area in a reproducing apparatus, one of the lead-in and lead-out areas having an embossed data zone having first information representing a first writing speed, a mirror zone, and a rewriting data zone, the method comprising: 
 recording information representing a writing speed in the writing data zone of at least one of the lead-in area and the lead-out area.    
     
     
         68 . The method of  claim 67 , wherein the writing data zone of the at least one of the lead-in area and the lead-out area comprises a recordable region, and the recording of the information representing the writing speed comprises: 
 recording the information representing the writing speed in the recordable region of the rewriting data zone of the one of the lead-in area and the lead-out area.    
     
     
         69 . A method of recording data from an optical information storage medium having a lead-in area, a user data area, and a lead-out area in a reproducing apparatus, one of the lead-in and lead-out areas having an embossed data zone having first information representing a first writing speed, a mirror zone, and a rewriting data zone, the method comprising: 
 erasing first information representing a first writing speed, which is recorded in the writing data zone of at least one of the lead-in area and the lead-out area; and    recording second information representing a second writing speed in the writing data zone of the at least one of the lead-in area and the lead-out area.    
     
     
         70 . The method of  claim 69 , wherein the writing data zone of the at least one of the lead-in area and the lead-out area comprises a recordable region, and the erasing of the first information representing the first writing speed and the recording of the second information comprise: 
 erasing the first information representing the first writing speed, which is recorded in a recordable region of the writing data zone of the at least one of the lead-in area and the lead-out area; and    recording second information representing a second writing speed in the recordable region of the writing data zone of the at least one of the lead-in area and the lead-out area.    
     
     
         71 . An optical information storage medium having a lead-in area having an embossed data zone, a mirror zone, and a rewriting data zone, a user data area, and a lead-out area, wherein at least one of the lead-in area and the lead-out area comprises an embossed data zone, a mirror zone, and a rewriting data zone, and a writing speed is recorded in the at least one of the lead-in area and the lead-out area.  
     
     
         72 . The medium of  claim 71 , wherein another writing speed is recorded in the embossed data zone.  
     
     
         73 . The medium of  claim 72 , wherein the writing speed and the another writing speed are different.  
     
     
         74 . The medium of  claim 71 , wherein the embossed data zone is not a rewratable region.  
     
     
         75 . The medium of  claim 71 , wherein the rewriting data zone comprises a rewratable region, and the writing speed is recorded in the recordable region of the at least one of the lead-in area and the lead-out area.  
     
     
         76 . The medium of  claim 75 , wherein: 
 the writing speed comprises, 
 a plurality of sub-writing speeds; and  
   the recordable region comprises, 
 a plurality of bits representing one of the sub-writing speeds.  
   
     
     
         77 . The medium of  claim 75 , wherein the recordable region comprises: 
 first bits representing a maximum writing speed of the writing speed.    
     
     
         78 . The medium of  claim 77 , wherein the recordable region comprises: 
 second bits representing a minimum writing speed of the writing speed.    
     
     
         79 . The medium of  claim 75 , wherein: 
 the writing speed comprises, 
 a plurality of sub-writing speeds; and  
   the recordable region comprises, 
 a plurality of bits each representing a corresponding one of the sub-writing speeds.  
   
     
     
         80 . The medium of  claim 79 , wherein the bits each has a writing characteristic corresponding to one of the sub-writing speeds.  
     
     
         81 . The medium of  claim 75 , wherein the rewriting data zone of the one of the lead-in and lead-out areas comprises a disc test zone, a drive test zone, a disc ID zone, and a defect management zone, and the recordable region is included in the one of the disc test zone, the drive test zone, the disc ID zone, and the defect management zone.  
     
     
         82 . The medium of  claim 81 , wherein the disc ID zone of the rewriting data zone of the one of the lead-in and lead-out areas comprises at least one of disc ID information region and a reserved region, and the recordable region is included in one of the at least one disc ID information region or the reserved region.  
     
     
         83 . An apparatus of reading data from an optical information storage medium having a lead-in area, a user data area, and a lead-out area in a reproducing apparatus, comprising: 
 a servo unit reading information representing a writing speed from at least one of the lead-in area and the lead-out area, and rotating the optical information storage medium at the writing speed.    
     
     
         84 . The apparatus of  claim 83 , wherein the at least one of the lead-in area and the lead-out area comprises a recordable region, and the servo unit reads the information representing the writing speed from the recordable region of the at least one of the lead-in area and the lead-out-area.  
     
     
         85 . The apparatus of  claim 83 , wherein the data is read from the optical information storage medium at the writing speed.  
     
     
         86 . The apparatus of  claim 83 , wherein the data is recorded on the optical information storage medium at the writing speed.