JP3796141B2 - Recording control method for optical disc recording / reproducing apparatus - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a recording of the configured optical disk recording and reproducing apparatus so as to I line a reproduction operation of a signal recorded on the disc by Rutotomoni lasers to record the signal to disk by lasers emitted from the optical pickup It relates to a control method.
[0002]
[Prior art]
Although disk playing Ya performing reading and operation of the signal recorded on the disk using an optical pickup are popular, in recent years, the signal to disk by lasers emitted from the optical pickup in addition to the playback function optical disc recording and reproducing apparatus configured is possible to force recorded is commercialized.
[0003]
[Problems to be solved by the invention]
In the optical disk recording and reproducing apparatus is configured as has been the recording command from the computer device is a host device performs the recording operation of the signal I, such recording operation, once the signal Ru is recorded on the disk buffer use RAM to be stored, by reading the signal stored in the buffer RAM, it is configured to perform the recording operation of the signal to the disk.
[0004]
In a state where the signal recording operation to the disc is normally performed, the signal read work from the write look operation and the buffer RAM to the buffer RAM of the recording signal output from the computer device, Then, the recording operation of the read signal on the disc is performed in accordance with the amount of the recording signal and the recording situation on the disc.
[0005]
In a state where the signal recording operation are we row, the amount of the recording signals stored in the buffer RAM is insufficient, the situation where the signal recording operation to the disc is referred to as state called buffer underrun can not be performed. As a method for solving such a problem, the amount of the recording signals stored in Baffua for RAM is a predetermined value or less interrupted set value, temporarily stops the recording operation to the disk, a recording that is stored in the buffer RAM when the amount of the signal becomes more than a predetermined value Sunawa Chi restart set value, the techniques so as to resume the recording operation to the disk is developed.
[0006]
As a solution to the buffer underrun problems, but the recording interruption operation and recording restart operation is a method to I line, recording restart operation, to reproduce the signal recorded on the disk before recording interruption, the It is configured to divide the row based on the reproduced signal.
[0007]
The recording operation on the disk in the optical disk recording / reproducing apparatus is performed in a state where the linear velocity is constant. The rotational angular speed of Therefore, it is difficult to rotationally drive at the same high linear velocity from the inner circumference side to the outer circumference of the disk. As a method for solving such a problem, the recording position on the outer peripheral side from the inner circumferential side of the disk is moved, when the recording position reaches a predetermined position, technology to change the recording linear velocity is developed ing.
[0008]
Optical disc recording and reproducing apparatus having a function of changing the recording linear velocity as described above at a predetermined position, the control operation of the recording position is changed linear velocity was but I to move to the outer peripheral side at high speed side is performed but when the rotational characteristics of the disk is deteriorated, for example, by eccentricity of the disc, it will not be able to perform the recording operation by the high-speed constant linear velocity. That is, in such an optical disk recording / reproducing apparatus, when the recording speed is changed, the rotational characteristics of the disk are detected, and if it is determined that the characteristics are bad, the recording linear speed is changed to the higher speed side. A technique has been developed in which the recording operation is performed without changing the linear velocity until then.
[0009]
And connecting a plurality of optical disk recording and reproducing apparatus having a function of changing the recording linear velocity as described above at a predetermined position on one host device, the command signal outputted from the host apparatus, recording of the optical disk recording and reproducing apparatus Rutotomoni to control the operation, by the respective optical disk recording and reproducing apparatus data signals output from the host device, when the so that is recorded simultaneously on the disc mounted on the apparatus, the recording line of the optical disk recording and reproducing apparatus If the speeds are different, there is a problem that the recording operation cannot be performed accurately.
[0010]
The present invention is intended to provide a recording control method for an optical disc recording / reproducing apparatus capable of solving such a problem.
[0011]
[Means for Solving the Problems]
The recording control method of the optical disk recording / reproducing apparatus according to claim 1 of the present invention is connected to one host device, records the same data signal on the disk, and the recording position is a predetermined position on the disk. Is a recording control method for a plurality of optical disc recording / reproducing devices configured to change the recording linear velocity to the high speed side when the recording position is moved, and when the recording position is moved to the predetermined position on the disc, It is determined whether or not the recording linear velocity of each optical disc recording / reproducing device can be changed to the high speed side, and the recording operation of all the optical disc recording / reproducing devices is performed in accordance with the function of the optical disc recording / reproducing device having the slowest recording linear velocity. It is made to control.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Figure 1 is a block diagram showing an embodiment of an optical disk recording and reproducing apparatus according to the present invention. In the figure, 1 is a host device, 2 for controlling the recording operation or the like of the signal to the disk is a first optical disk recording and reproducing apparatus, a recording signal together with the operation by the host device 1 is controlled is temporarily stored A buffer RAM 3 is connected. Moreover, such first optical disk recording and reproducing apparatus 2, temporarily suspends the recording operation to the disk when the amount of the recording signals stored for bus Ffa RAM3 becomes less recording interruption setpoint Chi predetermined value words, the buffer interruption amount of the recording signals stored in the use RAM3 is when a predetermined value Sunawa Chi recording restart set value a function of resuming the recording operation to the disk, also, the recording operation and the recording position moves to a predetermined position Thus, the recording linear velocity is changed, and when the recording linear velocity is changed , the recording operation is restarted.
[0013]
The operation for changing the recording linear velocity in the optical disk recording / reproducing apparatus described above will be described. On the inner circumference side of the disc, for example , when a recording operation is started at a recording linear velocity 16 times the prescribed linear velocity, the recording position gradually moves to the outer circumference side. When the recording position moves to a position where it is possible to perform the recording operation at 20 times the constant linear velocity, causes interrupts the recording operation, by detecting the rotational characteristics of the recording characteristics and the disc of the recorded signal, A determination operation is performed as to whether or not a recording operation can be performed with a constant linear velocity of 20 times.
[0014]
By such a determination operation, when it is determined that it is possible to perform the recording operation by 20 times the constant linear velocity, the control operation for changing the rotational speed of the disk 20 times the linear velocity constant state of a high speed with rows divided, if such change operation is performed, operation Ru is recorded signals on the disk is started. As a result of such a control operation, the optical disc recording / reproducing apparatus performs the recording operation at a constant linear velocity of 20 times. The changing operation such recording linear velocity, when recording interruption operation is cracking line, Ru der when it is determined that it is possible to perform a speed change operation to the high speed side. By such a judgment operation, if it is determined that it is difficult to speed change, so far at conducted have linear velocity Sunawa Chi 16 times the linear velocity constant state, the recording operation is resumed become.
[0015]
When the recording operation with the linear velocity of 20 times is started by the change operation of the recording velocity described above and the recording position is moved to a position where the recording operation can be performed with the constant linear velocity of 24 times, the control operation described above is performed. Since it will be performed similarly, the description is abbreviate | omitted.
[0016]
4 is a second optical disk recording and reproducing apparatus buffer RAM5 are connected together has the same function as the first optical disk recording and reproducing apparatus 2 described above, the first optical disc recording and reproducing apparatus SCSI cable 6 with 2 It is connected to the host device 1. Further, the write command signal outputted from the host apparatus 1, the operation of the first optical disk recording and reproducing apparatus 2 and the second optical disk recording and reproducing apparatus 4 is controlled, and the data signal output from the host device 1 It is configured so that is recorded on the disc.
[0017]
Each of the optical disc recording / reproducing devices 2 and 4 is a disc on which a disk mounted on each device can perform a data signal recording operation when a command signal for performing a recording operation is input from the host device 1. determining whether or not the operation, it is configured to perform the adjustment operation to be the most suitable lasers output to the recording characteristics of the setting operation and the disk recording position. Further, in such a configuration, upon receiving a signal for starting the recording operation from the host device 1, the optical disc recording and reproducing apparatus 2, 4, a signal indicating that it is now recordable state with respect to the host device 1 Is configured to output.
[0018]
In such a configuration, the command signal output from the host device 1 to each of the optical disc recording / reproducing devices 2 , 4 is output in combination with the identification code given to each of the optical disc recording / reproducing devices 2 , 4. It is configured. In this way, by providing the identification code , the host device 1 can output command signals such as a switching signal by distinguishing each connected optical disk recording / reproducing device. Similarly, the signal indicating that becomes recordable state output from the optical disc recording and reproducing apparatus 2, 4, the identification signal is configured to be applied.
[0019]
Further, based on the recording command signal output from the host device 1, the first optical disk recording and reproducing apparatus 2 and the second optical disk recording and reproducing apparatus 4 starts the recording operation of the data signal transmitted from the host device 1 The recording speed is changed at the same recording position. At this time , the operation for determining whether the recording speed can be changed to the high speed side is performed, and the determination result is output to the host device 1. It is configured as follows. When it is determined that both of the first optical disk recording and reproducing apparatus 2 and the second optical disk recording and reproducing apparatus 4 can be changed to the high speed side, the speed change operation to the high speed side is crack line so as to resume the recording operation later, also in the case where something Re or the other of the optical disk recording and reproducing apparatus is determined to not change speed is performed before recording interruption without modification rate both optical disk recording and reproducing apparatus The recording operation is started at the recording speed that has been set.
[0020]
As described above, the present invention is configured . Next, the operation will be described. Each control operation of the optical disc recording / reproducing devices 2 and 4 connected to the host device 1 adds an identification signal given to each recording / reproducing device to an operation switching signal output from the host device 1. Is done. Individual control operation of the optical disc recording and reproducing apparatus 2, 4, since is performed by adding the identification signal to the signal for operating the switching, the description thereof is omitted.
[0021]
Then, a data signal output from the host device 1, the operation in the case where the optical disc recording and reproducing apparatus 2, 4 connected to the host device 1 Ru is recorded simultaneously will be described. In this case, first against beauty second optical disc recording and reproducing apparatus 4 Oyo from the host device 1 first optical disk recording and reproducing apparatus 2, the identification code appended recording command signal is outputted.
[0022]
When the such recording command signals each optical disk recording and reproducing apparatus 2, 4 is subjected, the disk is a data signal each optical disk recording and reproducing apparatus 2, 4 are mounted on the operating Sunawa Chi each device to start the recording operation determining operation whether the disc capable of recording operation, to adjust operation of the most suitable lasers output to the recording characteristics of the setting operation and the disk recording position.
[0023]
Perform such operation, when the operation is completed, a signal indicating that it is now recordable state with respect to each optical disc recording and reproducing apparatus 2, 4 from the host device 1 is outputted. When such a signal is input to the host device 1, it is possible to recognize which optical disc recording / reproducing apparatus is in a recordable state by the identification code included in the signal. With such a recognition operation, the optical disk recording and reproducing apparatus 2, 4 is recognized that becomes the recordable state, the host device 1, the data signal is a recording signal together with the recording start signal, the optical disc recording and reproducing apparatus 2 , 4 are output.
[0024]
When such signal is input to each optical disk recording and reproducing apparatus 2, 4, optical pickup incorporated in the optical disc recording and reproducing apparatus 2, 4 is moved to the recording position of the signal to be set for each disc The data signal recording operation is started, and the data signal recording operation is performed by a control operation by a control circuit incorporated in each of the optical disc recording / reproducing apparatuses 2 and 4. Data signal output from the host device 1 is temporarily while being stored in the first optical disc recording and reproducing apparatus RAM3 buffer connected to 2, the control operation corresponding to the recording speed is read from the buffer for RAM3 Will be recorded on the disc. Similarly, once while being stored in the second optical disc recording and reproducing apparatus RAM5 buffer connected to 4, the control operation corresponding to the recording speed, it is recorded on the disk is read from the buffer RAM5 become.
[0025]
The above-mentioned operation, the recording operation of the first optical disk recording and reproducing apparatus 2 and the second optical disk recording and reproducing apparatus 4 is started, the recording position reaches the position for changing the recording linear velocity, the first optical disk recording and reproducing device 2 and the second optical disk recording and reproducing apparatus 4 both control operation for changing the recording speed is performed. In the control operation for changing the recording speed, first, a control operation for interrupting the recording operation on the disc is performed in each of the optical disc recording / reproducing apparatuses 2 and 4.
[0026]
By such operation, the recording operation to the disk is interrupted, performs a reproducing operation of the signal recorded on the disk before the interruption, based on a signal reproduced, the recording characteristic detection operation and the spindle motor By detecting the servo characteristics , the disk rotation characteristics are detected. By such a detection operation , a determination operation as to whether or not the recording speed can be changed to the high speed side is performed, and the determination result is output to the host device 1. When it is determined that both of the first optical disk recording and reproducing apparatus 2 and the second optical disk recording and reproducing apparatus 4 can be changed to the high speed side, the speed change operation to the high speed side is crack line later on, the control operation to resume the recording operation is performed.
[0027]
Then, the determination operation described above, if anything Re or the other of the optical disk recording and reproducing apparatus is determined to not change speed, without let the speed change both the optical disc recording and reproducing apparatus, has been performed before recording interruption A control operation for starting the recording operation at the recording speed is performed.
[0028]
While recording restart operation when not changing the recording restart operation and recording speed in the case of changing the recording speed as described above is carried out, none of the recording resume operation, the signal recorded on the disk before recording interruption When the record data signal stored in the buffer RAM 3, 5 is performed such that continuously recorded. Such an interruption / resumption operation of the recording operation can be performed in the same manner as a known recording interruption / resumption operation performed to prevent a buffer underrun , and the details thereof will be omitted.
[0029]
When the data signal recording operation is completed by the control operation described above, an end signal is sent from each of the optical disc recording / reproducing apparatuses 2 and 4 to the host device 1, and the host device 1 confirms that the data signal recording operation is completed. Can be recognized. When such recognition operation is performed, a command signal for terminating the recording operation from the host device 1 for each optical disc recording and reproducing apparatus 2, 4 are output, each optical disc recording and reproducing apparatus 2, 4, stopped Returned to
[0030]
In the present embodiment, whether the disc mounted in operating Sunawa Chi each device to start the recording operation is a disk capable of recording operation of the data signal determination operation, the recording position when most suitable adjustment operation to lasers output was the set operation and the recording characteristics of each disk is completed, the host device 1, to output a signal indicating that it is now a recordable state was to so that, when the optical pickup is moved to the recording position, it is also possible to so that to output a signal indicating that it is now a recordable state. In this embodiment , the case where the number of optical disc recording / reproducing apparatuses connected to the host device 1 is two has been described. However, the number is not limited.
[0031]
【The invention's effect】
As described above, according to the first aspect of the present invention, when the same data signal is recorded on the disk and connected to one host device, and the recording position is moved to a predetermined position on the disk. A recording control method for a plurality of optical disc recording / reproducing devices configured to change a recording linear velocity to a high speed side, wherein the recording line of each optical disc recording / reproducing device is moved when the recording position is moved to a predetermined position on the disc. It is determined (detected) whether the speed can be changed to the high speed side, and the recording operation of all the optical disk recording / reproducing apparatuses is controlled in accordance with the function of the optical disk recording / reproducing apparatus having the slowest recording linear velocity. The recording operation can be accurately performed without any trouble in a plurality of optical disk recording / reproducing apparatuses.
[0032]
According to the second aspect of the present invention, the determination operation as to whether or not the recording linear velocity of each optical disc recording / reproducing apparatus can be changed to the high speed side is performed at the time of recording interruption performed to change the recording linear velocity. The optical disc recording / reproducing apparatus has an advantage that a control operation can be performed in accordance with the actual situation.
[0033]
According to the third aspect of the invention, when a change of the recording linear velocity for at least several Re one of the optical disk recording and reproducing apparatus is determined to be impossible, the recording linear velocity of all optical disc recording and reproducing apparatus Since the recording operation is resumed without change, a reliable recording operation can be performed.
[Brief description of the drawings]
Is a block diagram showing an embodiment of an optical disk recording and reproducing apparatus according to the present invention; FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Host apparatus 2 1st optical disk recording / reproducing apparatus (optical disk recording / reproducing apparatus)
3,5 buffer RAM
4 Second optical disc recording / reproducing device (optical disc recording / reproducing device)
6 SCSI cable

Claims (3)

The same data signal recorded on the disk along with being connected to one host device, and the recording position is arranged to change the recording linear velocity when moved to a predetermined position of the disk to the high-speed side A recording control method for a plurality of optical disc recording / reproducing apparatuses,
When the recording position moves to the predetermined position of the disc, it is determined whether or not the recording linear velocity of each optical disc recording / reproducing device can be changed to the high speed side,
A recording control method for an optical disc recording / reproducing apparatus, comprising: controlling a recording operation of all optical disc recording / reproducing apparatuses in accordance with a function of the optical disc recording / reproducing apparatus having the slowest recording linear velocity. 2. The discriminating operation as to whether or not the recording linear velocity of each optical disc recording / reproducing apparatus can be changed to the high speed side is performed when recording is interrupted to change the recording linear velocity. The recording control method of the optical disk recording / reproducing apparatus as described. When a change of the recording linear velocity for at least several Re one of the optical disk recording and reproducing apparatus is determined to be impossible, the recording operation without changing the recording linear speed of all of the optical disc recording and reproducing apparatus 3. The recording control method for an optical disc recording / reproducing apparatus according to claim 2, wherein the recording is resumed.

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