JPH0218714A - Life control system for optical disk medium - Google Patents

Abstract

PURPOSE:To simplify the control of a life period by recording a number, with which an optical disk medium is mounted to an optical disk device, to a constant second area out of a first area, where general data are recorded, and turning on a display lamp when the recorded number goes over a reference number which is stored in a reference number storing circuit. CONSTITUTION:When the number of 'n' is read from a first area A of an optical disk medium 101 by a reading instruction, a control part 201 outputs an instruction, with which the number of 'n+1' is recorded, to a reading and writing circuit 202 and a reference number 'N' to be stored in a reference number storing circuit 301 is read and compared with the 'n+1'. When the 'n+1' is smaller than the 'N' or '1' is recorded to the first area A, the control part 201 executes the normal reading and writing operation of the general data. When a compared result for the reference number 'N' and 'n+1' is equal in the control part 201 or the 'n+1' is larger, the control part 201 turns on a display lamp 401. Thus, the life control of the optical disk medium can be exactly executed.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a life management system for optical disk media, and in particular,
This invention relates to a lifespan management method for data-updatable optical disk media.

[Conventional technology]

In the conventional life management system of this type of optical disk medium, the user affixes a label indicating the start time of use to the optical disk medium, and the user manages the life period.

[Problem to be solved by the invention]

However, with such conventional optical disk media lifespan management methods, it is difficult to perform detailed management due to differences in the frequency of use of individual optical disk media, and it is difficult to perform detailed management due to differences in the frequency of use of individual optical disk media. In addition, there is a possibility that data input/output errors may occur due to the lifespan of the optical disk medium due to human error.

[Means to solve the problem]

The lifetime management method of an optical disk medium of the present invention instructs a positioning circuit to operate a positioning mechanism to control the positioning of the read/write head on the optical disk medium, and instructs the read/write circuit to transfer data from the read/write head to the optical disk medium. A control unit of an optical disc device having a control unit that performs read/write control of the optical disc device is provided with a control unit that records the number of times the optical disc medium has been loaded into the optical disc device in a certain second area outside the first area in which general data of the optical disc medium is recorded. A means for recording, a means for reading the recorded number of times,
By providing a means for comparing the reference number stored in the reference number storage circuit with the number of times read from the optical disc medium and lighting an indicator lamp when the number of times read from the optical disc medium is equal to or greater than the reference number, The feature is that the user is notified of the lifespan.

〔Example〕

Next, the present invention will be explained with reference to the drawings.

FIG. 1 is a block diagram of one embodiment of the present invention.

FIG. 2 shows the recording area in the optical disc medium in the same embodiment. In this example, the number of attachments is recorded in the first area A of the optical disc medium, and the second area B is used for general data recording.
This is a separate area.

The read/write head 204 has the function of reading and writing data on the optical disk medium 01 via the read/write circuit 202 under instructions from the control unit 201 .

The control unit 201 instructs the read/write circuit 205 to operate the positioning mechanism 203 to move the read/write head 204 to a desired position on the optical disk medium 101.
A function that reads out the reference number of mounting times stored in 01 and compares it with the number of times read from the optical disk medium 11 within the control unit, and lights up the display lamp 401 when a number equal to the reference number of times is detected from the result. It also has the function of

Next, the operation of this embodiment will be explained with reference to FIG.

In this optical disk device, when the optical disk medium 10]7 is loaded, the control unit 201 causes the positioning circuit 205 to move the read/write head 204 to the second position on the optical disk medium 101.
When issuing a command to position to the first area A in the figure and receiving a notification of completion of the positioning operation from the positioning circuit 205, the control unit 201 issues a read instruction to the read/write circuit 202, and as a result, 1st
If nothing is recorded in area A, control unit 201 instructs read/write circuit 202 to write 111 II.

If the optical disk medium 101
．． When the number It nN is read out from the first area A of The reference number of times LL N IT is read out and compared with tl n+t 97. If 17 n+1 jF is a smaller value than I'N''' or if the above-mentioned II I II is recorded in the first area A, the control unit 201 thereafter executes normal general data read/write operations. .Control unit 201
When the comparison result between the reference number of times tr N II and 1i n+11' is equal or "n + 1" is larger, the control unit 201 lights up the display lamp 401.

〔Effect of the invention〕

As explained above, in the present invention, the positioning circuit is instructed to operate the positioning mechanism to control the positioning of the read/write head on the optical disk medium, and the read/write circuit is instructed to read/write data from the read/write head to the optical disk medium. In a control section of an optical disk device having a control section that performs control, the number of times the optical disk medium has been loaded into the optical disk device is recorded in a certain second area outside a first area in which general data of the optical disk medium is recorded. means for reading the recorded number of times; and means for comparing the reference number of times stored in a reference number of times storage circuit with the number of times read from the optical disk medium, and lighting an indicator lamp when this number of times is equal to or greater than the reference number of times. This optical disk medium is more accurate and requires almost no media man-hours on the user's side by notifying the user of the lifespan of the optical disk medium by the number of times it has been used for each individual medium. It becomes possible to provide a lifespan management method.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a schematic diagram showing an optical disc medium in the same embodiment. ...Positioning mechanism, 204...Read/write head, 205...Positioning circuit. 301...Reference number of times storage circuit, 401...Display lamp, A...First area, B...Second area.

Claims (1)

[Claims] An optical disk device comprising a control unit that instructs a positioning circuit to operate a positioning mechanism to control the positioning of a read/write head on an optical disk medium, and instructs the read/write circuit to control reading and writing of data from the read/write head to the optical disk medium. means for recording the number of times the optical disc medium has been loaded in the optical disc device in a predetermined second area outside the first area in which general data of the optical disc medium is recorded; By having means for reading, and means for comparing a reference number stored in a reference number storage circuit with the number of times read from the optical disk medium and lighting an indicator lamp when this number is equal to or greater than the reference number, A lifespan management method for an optical disc medium, characterized in that a user is notified of the lifespan of the optical disc medium.