JPH0636305B2 - Optical information storage medium and system using the same - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an optical information storage medium, particularly an intelligent (intelligent) optical information storage medium and a system to which the same is applied.

[Prior Art] Optical discs, optical cards, and the like are known as optical information storage media that optically store information. Since these optical information storage media have high storage densities, they can be made to have a large capacity and a small size as compared with conventional magnetic information storage media, and shorten access time and semi-permanently store stored information. Due to the advantages of, magnetic information storage media are being replaced.

However, its usage is the same as that of the conventional magnetic information storage medium. For example, when it is used as a system disk, the area actually used is only a part, and it is small and has a large capacity. As for the usage of these optical information storage media, effective usage is required if the advantages thereof are fully utilized.

On the other hand, since the storage system and format of the optical information storage medium, the type of the device that operates depending on the information stored in the optical information storage medium, and the like are different one by one, the device that can control the information in one optical information storage medium is , It was limited to those with the same memory system and format, and normally only one type of device could be controlled.

[Problems to be Solved by the Invention] The present invention has an intelligence to satisfy the above-mentioned requirements, and to maximize the advantages of large capacity, small size, and high speed, and to control an external device. Also, an optical information storage medium capable of flexibly responding to changes in specifications and the like, and a system to which the optical information storage medium is applied are provided.

Furthermore, a versatile optical information storage medium and its versatile information storage medium can be used regardless of the storage system and format of the optical information storage medium, or the type of device that operates according to the information stored in the optical information storage medium. The system which applied is provided.

[Means and Actions for Solving the Problem] In order to solve this problem, an optical information storage medium of the present invention includes an optical information storage unit for storing optical information, and the optical information storage unit for storing the optical information. A control unit for controlling an external data processing device based on information, wherein the optical information storage unit has a data storage area for storing data and a process procedure storage area for storing a process procedure, and the control unit Is a processor that controls the data processing device by process control, a memory that stores the control procedure of the processor stored in the process procedure storage area, and a control signal between the data processing device that is controlled by the processor. And an interface for transmitting and receiving the data signal stored in the data storage area, and when starting up, the process is performed via an external optical information reading means. A control procedure of the processor read from the procedure storage area, after loading into the memory, controls the data processing device by the control of the processor.

The optical information storage unit includes an optical information storage unit that stores optical information, and a control unit that controls an external data processing device based on the optical information stored in the optical information storage unit. And a process procedure storage area for storing a plurality of process procedures, wherein the control unit stores a processor for controlling the data processing device by process control and the process procedure storage area. It has a memory for storing the control procedure of the processor, and an interface for transmitting and receiving a control signal and a data signal stored in the data storage area to and from the data processing device under the control of the processor. Before being read from the area corresponding to the identification information from the data processing device in the process procedure storage area via the external optical information reading means After the processor control procedure is loaded into the memory, the processor is controlled to control the data processing device.

Further, the optical information storage section for storing optical information and the control section for controlling an external data processing device based on the optical information stored in the optical information storage section are provided, and the optical information storage section is different. The control unit has a plurality of data storage areas for storing data of different types, and the control unit stores a processor for controlling the data processing device by process control and a control procedure of the processor capable of processing the different types of data. A memory and an interface for transmitting and receiving a control signal and a data signal stored in the data storage area to and from the data processing device under the control of the processor, and data corresponding to identification information of the data processing device. Read and write data in the storage area.

The system of the present invention includes an optical information storage unit that stores optical information, a data processing unit, and a control unit that controls the data processing unit based on the optical information stored in the optical information storage unit, The optical information storage unit stores a data storage area for storing data and a process procedure of the control unit.
It has a process procedure storage area and a second process procedure storage area for storing the process procedure of the data processing unit, and the control unit transmits / receives data between the optical information storage unit and the data processing unit by process control. Between the first processor for controlling the first processor, the first memory for storing the control procedure of the first processor stored in the first process procedure storage area, and the data processing unit under the control of the first processor. A first for transmitting and receiving a signal and the data signal
An interface, the data processing device includes a storage medium control unit including an optical information reading unit that reads optical information from the optical information storage unit, and a second processor that controls the data processing unit by process control. , A control signal and the data signal are transmitted and received between a second memory which stores the control procedure of the second processor stored in the second process procedure storage area and the control unit under the control of the second processor. A second interface, and at the time of start-up, the control procedure of the first processor read from the first process procedure storage area via the optical information reading means is loaded into the first memory, The control procedure of the second processor read from the second process procedure storage area via the optical information reading means by the control of the first processor is After loading to the second memory,
The data processor is controlled by the control of the second processor.

[Embodiment] An embodiment of the present invention will be described below with reference to the accompanying drawings. In this embodiment, the optical information storage medium is represented by an optical disk. Further, as the optical disk, there are those which have been written and used, those which can be additionally written, those which can be written / erased, etc., but are not limited here.

FIG. 1A is a view of the optical disk of the embodiment as viewed from above. The optical disk 1 comprises an optical information storage unit 3 and a control unit 2. The control unit 2 is not limited to the position shown in FIG. 1A, but this position is preferable in consideration of the rotation of the optical disk. As a reference example, the optical card 11 shown in FIG.
showed that. The roles of the optical information storage unit 13 and the control unit 12 are the same as in FIG. 1 (a).

FIG. 2 is a diagram showing a configuration example of a system to which the optical disc of the embodiment is applied. Here, in order to facilitate understanding of the operation, the optical information storage unit 3 and the control unit 2, and the optical disk control circuit 4 and the device circuit 5 are illustrated separately, but they are actually integrated. The system is basically an optical information storage unit 3
And an external circuit 6 including an optical disk control circuit 4 and a device circuit 5.

Next, as the control unit 2, in this embodiment, as shown in FIG.
A configuration is shown in which the PU 21, ROM 22, RAM 23, optical disk interface 24, and device interface 25 are connected by a bus. The control unit 2 may be a logic circuit.

The operation of the control unit 2 has a close relationship with the device circuit 5, as will be described in detail later with some examples. However, the interface buses 26a and 26b between the external circuit 6 and the control unit 2
Is preferably standardized in terms of hardware.

As a first system example, consider a case where the device circuit 5 is a peripheral device of the control unit 2 and the interface bus 26b is used as an interface with the peripheral device. In this case, the processing program of the CPU 21 is stored in the ROM 22, and when the optical disk 1 is inserted into the external circuit 6 at a predetermined location, the program stored in the ROM 22 runs, and the RAM 23 is used to store the data in the device circuit 5 and thereafter. The optical disk 3 operates as a peripheral device of the control unit 2 and exchanges data with each other. The device circuit 5 need not be limited to a video device, a display device, a motor, or the like.

FIG. 3 shows an example of an operation flow chart up to the start of processing in the first system example. First, in step S31, the optical disk 1 is set. In step S32, the control unit 2 controls the optical information storage unit 3 of the optical disc 1 to the optical disc control circuit 4,
Data is read out through the optical disk interface 24, and this is read in step S33 to the device interface 25.
Is sent to the device circuit 5 from step S34 and system processing is started after step S34.

As a second system example, the optical disk 1 is stored in the ROM 22.
A boot for reading a control program from the optical information storage unit 3 through the optical disc control circuit 4 and the optical disc interface 24 is stored. When the optical disc 1 is inserted, the boot is stored in the optical information storage unit 3. The control program and the data being read are read out to the RAM 23,
Based on this control program, the device circuit 5 and the optical disk 3
An example is considered in which the exchange of data with The control program in this case is not limited to simply controlling the exchange of data, and is the same whether it is a control program for data arithmetic processing or a program for code conversion.

FIG. 4 shows an example of an operation flow chart up to the start of processing in the second system example. First, in step S41, the optical disc 1 is set. In step S42, the initial program is read from the optical information storage unit 3 of the optical disk 1 into the RAM 23 by the program stored in the ROM 22, and in step S43 the initial program starts. According to this initial program, other programs and data are read from the optical information storage unit 3 of the optical disc 1 through the optical disc control circuit 4 and the optical disc interface 24 in step S44. This is done at step S45 by the device / interface 2
5 to the device circuit 5 to start the processing of the system after step S46. In addition, in step S44 of this example, a table or the like for decoding the data stored in the optical information storage unit 3 may be read.

As a third system example, the device circuit 5 may be a variable circuit that operates by software such as a microprogram. In this case, the optical information storage unit 3 also stores a microprogram for the device circuit 5, and after the optical disc 1 is inserted, the CPU 21 uses the boot stored in the ROM 22 or the program read into the RAM 23. This microprogram is loaded into the device circuit 5. After loading the microprogram into the device circuit 5, the device circuit may operate independently of the control unit 2 or may cooperate with the control unit 2. When operating independently, the interface bus 26c may be added and the interface buses 26a and 26c may be switched.

An example of an operation flow chart up to the start of processing in the third system example is shown in FIG. Here, a later example in which a microprogram is loaded by the program read into the RAM 23 is shown. First, in step S51, the optical disk 1 is set. In step S52, the initial program is read from the optical information storage unit 3 of the optical disk 1 into the RAM 23 by the program stored in the ROM 22, and in step S53.
The initial program starts running. With this initial program, the microprogram for the device circuit 5 is read from the optical information storage section 3 of the optical disk 1 in step S54, and loaded in the device circuit 5 in step S55. Next, in step S56, other programs and data are transferred from the optical information storage section 3 of the optical disk 1 to the optical disk control circuit 4, the optical disk.
It is read out through the interface 24. This is sent from the device / interface 25 to the device circuit 5 at step S57, and the system processing is started after step S58.
Incidentally, in step S56 of this example, a table or the like for decoding the data stored in the optical information storage unit 3 may be read.

In the above-mentioned three examples, the type of the device circuit 5 was not referred to deeply, but in order to use the optical disk 1 of this embodiment regardless of the change of the type of the device circuit 5, the following procedure should be taken. Good.

As a fourth system example, there is an example in which the program stored in the optical information storage unit 3 is a program that can be applied to various devices. However, although not shown, in this case, there is a drawback that the program becomes huge and the speed becomes slower.

Therefore, as a fifth system example, the device circuit 5 is provided with an ID indicating the type of its own device, and a program suitable for the device is selected from a plurality of programs stored in the optical information storage unit 3 by the ID. Then, a system for reading can be considered. Further, a difference in format of the optical information storage unit 3, a difference in recording method, or the like may be selected by information from the optical disk control circuit 4. If you do this, you can get compatibility with the optical disc that is not currently used and has no intelligence.
It can also be used in conventional optical disk systems.

FIG. 6 shows an example of an operation flow chart up to the start of processing in the fifth system example. Here, an example in which the microprogram is loaded by the program read into the RAM 23 is shown. First, in step S61, the optical disk 1 is set. In step S62, the storage format of the optical information storage unit 3 is known from the optical disk control circuit 4, and in step S6.
At 3, the device ID is known from the device circuit 5. Step S6
An initial program corresponding to the external circuit 6 is selected from the optical information storage unit 3 of the optical disk 1 by the program stored in the ROM 22 and read into the RAM 23 based on the ID found in 3 and the storage format found in step S62. . Here, when ID = 1X, the device circuit operates in a microprogram, and when ID = 2X, the device circuit 5 indicates a hard logic device. If ID = 1X, the initial program is read from the area of ID = 1X in step S64, and the initial program starts in step S65. The microprogram for the device circuit 5 is read from the optical information storage unit 3 of the optical disk 1 in step S66 by the initial program, and the device circuit 5 is read in step S67.
Loaded in. Next, in step S68, another program or data is read from the optical information storage section 3 of the optical disk 1 through the optical disk control circuit 4 and the optical disk interface 24. This is sent from the device / interface 25 to the device circuit 5 in step S69 and the system processing is started in step S70 and thereafter.

When ID = 2X, the initial program is read from the area of ID = 2X in step S71, and the initial program starts in step S72. According to the initial program, in step S73, other programs and data are transferred from the optical information storage unit 3 of the optical disk 1 to the optical disk control circuit 4, the optical disk.
It is read out through the interface 24. This is sent from the device / interface 25 to the device circuit 5 in step S74, and the system processing is started in steps S75 and thereafter.
Incidentally, in steps S68 and 73 of this example, a table or the like for decoding the data stored in the optical information storage unit 3 may be read.

On the other hand, the external circuit 6, especially the optical disc control circuit 4, is provided with a circuit capable of coping with the recording format, recording system, etc. of the optical information storage section 3 or the shape of the optical disc, and the optical information storage medium 1 uses it as an ID. It is also possible to give instructions. The operation flow in this case is basically the same as the previous example.

Next, a suitable example of the power supply of the control unit 2 and the connection between the control unit 2 and the external circuit 6 will be described.

The power source may be that supplied from the external circuit 6, but it is preferable to attach the photocell 7 as shown in FIG. 2 and use this as the power source.

Further, in the case of an optical disc, the connection of the interface is more preferable than that of the hard contact by the optical signal.

Further, the optical information storage unit 3 may have a multi-layer storage method instead of the single-layer storage method.

Although various preferred embodiments of the present invention have been described above, the technical idea of the present invention is that the optical information storage medium has intelligence and that the optical information storage medium is used more effectively. In addition, the optical information storage medium or the system to which the optical information storage medium is applied has general versatility by standardization of the interface, and is not limited to the present embodiment. Although the present embodiment has been described with respect to the optical disk, the same effect can be obtained with other optical information storage media such as an optical card. Further, the function distribution method between the processing function of the control unit on the optical storage medium and the processing function of the external circuit is only a part described in the present embodiment, and the downsizing of the computer by the ultra LSI or the like and the low cost. More appropriate function distribution will be made by the development of chips.

[Advantages of the Invention] According to the present invention, an optical device that has the advantage of maximizing the advantages of large capacity, small size, and high speed, has the intelligence to control external devices, and can flexibly respond to changes in specifications, etc. An information storage medium and a system to which the information storage medium is applied can be provided.

Furthermore, a versatile optical information storage medium and its versatile information storage medium can be used regardless of the storage system and format of the optical information storage medium, or the type of device that operates according to the information stored in the optical information storage medium. It is possible to provide a system to which is applied.

[Brief description of drawings]

FIG. 1 (a) is a view of the optical disk of this embodiment seen from above, FIG. 1 (b) is a view of the optical card of this embodiment seen from above, and FIG. 2 is an optical disk of this embodiment. System configuration diagram, FIG. 3 is a processing flow chart of the first system example, FIG. 4 is a processing flow chart of the second system example, FIG. 5 is a processing flow chart of the third system example, and FIG. The figure is a process flow chart of the fifth system example. In the figure, 1 ... Optical disc, 2 ... Control unit, 3 ... Optical information storage unit, 4 ... Optical disc control circuit, 5 ... Device circuit,
6 ... External circuit, 7 ... Photocell, 21 ... CPU, 22
...... ROM, 23 …… RAM, 24 …… Optical disk interface, 25 …… Device / interface, 26
a, 26b, 26c ... Interface buses.

Claims (16)

[Claims] 1. An optical information storage unit for storing optical information, and a control unit for controlling an external data processing device based on the optical information stored in the optical information storage unit. Has a data storage area for storing data and a process procedure storage area for storing process procedures, and the control unit is stored in a processor for controlling the data processing device by process control and a pre-process procedure storage area. And a memory for storing the control procedure of the processor, and an interface for transmitting and receiving control signals and data signals stored in the data storage area to and from the data processing device under the control of the processor. , The control procedure of the processor read from the process procedure storage area via an external optical information reading means is loaded into the memory. Optical information storage medium characterized by controlling the data processing device by the control of the processor. 2. The control unit further comprises a photocell serving as a power source for the control unit.
An optical information storage medium according to the item. 3. The optical information storage medium according to claim 1, wherein the interface of the control unit includes an optical transmission / reception means for transmitting / receiving an optical signal. 4. The optical information storage according to claim 1, wherein the process procedure storage area includes a process procedure for realizing a code conversion function, and the processor performs the code conversion function. Medium. 5. An optical information storage section for storing optical information, and a control section for controlling an external data processing device based on the optical information stored in the optical information storage section, the optical information storage section. Has a data storage area for storing data and a process procedure storage area for storing a plurality of process procedures, and the control unit stores a processor for controlling the data processing device by process control and the process procedure storage area. A memory for storing the control procedure of the processor stored, and an interface for transmitting and receiving a control signal and a data signal stored in the data storage area to and from the data processing device under the control of the processor, At the time of startup, the data is read from an area corresponding to the identification information from the data processing device in the process procedure storage area via an external optical information reading means. A control procedure of the processor which is, after loading into the memory, optical information storage medium and controlling the data processing device by the control of the processor. 6. The control unit according to claim 5, further comprising a photocell serving as a power source for the control unit.
An optical information storage medium according to the item. 7. The optical information storage medium according to claim 5, wherein the interface of the control unit includes an optical transmitting / receiving unit for transmitting / receiving an optical signal. 8. The optical information storage according to claim 5, wherein the process procedure storage area includes a process procedure for realizing a code conversion function, and the processor performs the code conversion function. Medium. 9. An optical information storage unit comprising: an optical information storage unit for storing optical information; and a control unit for controlling an external data processing device based on the optical information stored in the optical information storage unit. Has a plurality of data storage areas for storing different types of data, the control unit is a processor for controlling the data processing device by process control, and a control procedure of the processor capable of processing the different types of data. A memory for storing, and an interface for transmitting and receiving a control signal and a data signal stored in the data storage area to and from the data processing device under the control of the processor, the identification information of the data processing device An optical information storage medium characterized by reading and writing data in a corresponding data storage area. 10. The optical information storage medium according to claim 9, wherein a plurality of types of data stored in the data storage area have different recording systems. 11. The optical information storage medium according to claim 9, wherein a plurality of types of data stored in the data storage area have different recording formats. 12. The optical information storage medium according to claim 9, wherein the plurality of types of data stored in the data storage area are stored in multiple layers on the optical information storage unit. 13. An optical information storage section for storing optical information, a data processing section, and a control section for controlling the data processing section based on the optical information stored in the optical information storage section, The optical information storage unit has a data storage area for storing data, a first process procedure storage area for storing a process procedure of the control unit, and a second process procedure storage area for storing a process procedure of the data processing unit. The first control unit controls data transmission / reception between the optical information storage unit and the data processing unit by process control.
A control signal and a data signal between a processor, a first memory that stores the control procedure of the first processor stored in the first process procedure storage area, and the data processing unit under the control of the first processor. And a first interface for transmitting and receiving data, the data processing unit controlling the data processing unit by a storage medium control unit including an optical information reading unit for reading optical information from the optical information storage unit, and a process control. A second processor, and a second memory for storing the control procedure of the second processor stored in the second process procedure storage area,
A second interface for transmitting and receiving a control signal and the data signal to and from the control unit under the control of the second processor, and at the time of start-up, the first process procedure storage area via the optical information reading means. The control procedure of the first processor read from the second process procedure storage area is loaded into the first memory by the control of the first processor and read from the second process procedure storage area via the optical information reading means. A system characterized in that after the control procedure of the two processors is loaded into the second memory, the data processing unit is controlled by the control of the second processor. 14. The system according to claim 13, wherein the control unit further includes a photocell serving as a power source of the control unit. 15. The system according to claim 13, wherein the first interface of the control unit includes an optical transmitting / receiving unit for transmitting / receiving an optical signal. 16. The method according to claim 13, wherein the first process procedure storage area includes a process procedure for realizing a code conversion function, and the first processor performs the code conversion function. System.