JPH05114162A - Information recording and reproducing device - Google Patents

Abstract

PURPOSE:To enable editing and content change of a large-quantity distribution type reproduction only optical disk, such as audio digital disk. CONSTITUTION:A reproduction only information region 4 is provided in an area of <=50% to <100% within an information recordable and reproducible region 2. The remaining region is formed as a DRAW region 3. Further, a DRAW type and reloadable recording film is provided as an optical reflection film 10 on a disk substrate 1. The editing and content changing of the reproduction only information are enabled in this way.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a mass distribution type reproduction-only memory (ROM) using an optical disk such as an audio digital disk, in which a user partially edits the mass distribution information and The present invention relates to a new ROM that enables computerization.

[0002]

2. Description of the Related Art Conventionally, in a mass-distributed read-only memory (ROM) using an optical disk such as an audio digital disk, it has been impossible for a user to edit, modify or change the contents of the ROM. On the other hand, audio
There is known a recording medium capable of newly recording information such as music, images and computer data in a format similar to that of a digital disc, but this is prepared for completely recording such information owned by the user. Was done,
The entire disc is a recordable area, and the user has not been provided with mass distribution type reproduction-only information.

However, in many mass-distribution type reproduction-only information, a user often desires to add some edit processing and content change to the reproduction-only information. In other words, the information that was originally distributed in large quantities is made personalized information. In this case, the amount of information newly added by the user is often equal to or less than the original amount of reproduction-only information of mass distribution type. Any conventional read-only memory (ROM)
However, there was no such thing that the user could edit or modify the contents in this way.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to solve the problem of the conventional mass-distributed read-only memory (ROM) optical disk, and to allow the user to read the read-only information. The purpose is to provide a new mass-distributed optical disc that allows arbitrary editing, modification of contents, and additional recording of new information.

A further object of the present invention is to provide a mass-distributed optical disc having an information recording area so that the user can edit and modify the contents, change the contents, and additionally record new information efficiently and promptly. To provide.

[0006]

In order to achieve the above object, the present invention provides a mass-distributed read-only memory (ROM) optical disk, in which 50% or more and less than 100% of the information recordable / reproducible area on the disk substrate. The reproduction-only information is recorded in advance in the area (1) in the form of a concavo-convex hole as in the conventional case, and the remaining area is used as an area where the user can additionally record new information.

In order to enable additional recording, the disk substrate is deformed by the heat of laser light to form a hole as is known in the medium recorded in the conventional audio digital disk format, or Alternatively, the optical reflection film on the disk substrate is used as a write-once recording film and a magneto-optical recording film, which are used for a normal write-once (write-once) type optical disk and a rewritable type optical disk such as magneto-optical and phase change. Change recording film.

At least two additional recordable areas are provided.
It is arranged so as to be divided into more than one place so that the amount of additional recordable information in each area is almost the same and the read-only information area of each area is divided so that the amount of information is almost equal. Further, the reproduction control information of the reproduction-only information is recorded in the additionally recordable area.

[0009]

With the above structure, in a mass-distributed read-only memory (ROM) using an optical disc such as an audio digital disc, the user can partially edit and process the mass-distributed information to personalize it. Can be

[0010]

【Example】

(Embodiment 1) A first embodiment of the present invention is shown in FIGS. In FIG. 1, an information recordable / reproducible area 2 is arranged on an optical disc substrate 1. 2 is further divided into a reproduction-only information area 4 and an additional recording area 3. The area 4 has, for example, an area of 50% or more and less than 100% of the area of the area 2, and as an array 7 of concavo-convex holes 6 on the optical disk substrate 1 as shown in FIG. Playback-only information such as music, images and computer data is recorded. Address information 5 is added to the beginning of the array 7 of these reproduction-only information.

On the other hand, in the additional recording area 3, as shown in FIG. 2, a groove 8 for guiding information recording and a wobble pit 9 are provided.
Are prepared in advance on the optical disc substrate 1. Further, the address information 5 is similarly given. When the additional information is recorded, the recording laser spot moves along the groove 8 or the wobble pit 9, and at the time of the information recording, the light intensity of the laser spot increases and the information is recorded.

An optical reflection film 10 is formed on the disk substrate 1 as shown in FIG. 3, and by using as the reflection film 10 a recording film for an additional writeable audio digital disk, Additional information is formed as uneven holes on the disk substrate 1. Also, the reflective film 10
As a normal write-once recording film, a rewritable magneto-optical recording film and a phase change recording film,
It will be possible to record additional information on the top.

(Embodiment 2) A second embodiment of the present invention is shown in FIG.
Shown in. On the information recordable / reproducible area 2, reproduction-only information areas 4-1, 4-2, ... 4-N and additional recording area 3-
, 3-2 are alternately arranged, and the amount of reproduction-only information of each of 4-1, ... 4-N is almost the same amount, and 3-1, ..., 3 The amount of each additional record information of −N is almost the same. By arranging in this way, it is possible to efficiently and efficiently respond to a request for information editing / processing, content change, and additional recording that may occur to each of the reproduction-only information areas 4-1, ... The additional recording area 3-1, which is promptly located at the closest distance, ...
Additional recording can be performed on 3-N.

(Embodiment 3) A third embodiment of the present invention is shown in FIG.
Shown in. In order to establish correspondence between the additional information recorded in the additional recording area and the pre-recorded reproduction-only information, the reproduction control information is recorded when the additional information is recorded. 5, additional recording areas 3-1, 3-2, ... Adjacent to the reproduction-only information areas 4-1, 4-2 ,.
In 3-N, reproduction control information areas 11-1, 11-2,
... 11-N is arranged, and reproduction-only information areas 4-1 and 4 are provided here.
-2, ... 4-N information and additional recording areas 3-1 and 3-
2, ... Playback control information for associating the information in 3-N with each other is recorded.

In order to allow the individual to use the file in which the information is stored, it is necessary to improve the usability so that the information file can be used by the individual. To do this, it is necessary to set the environment for files that can be used by individuals.
This is recorded in the reproduction control information area as personalized information.

As such personalized information, system information (display on the display, warning level against erroneous operation,
System configuration-specify drive), file information (dictionary, font instructions), environment settings (memory usage-division of extended memory capacity), printer settings (specify printer used, set initial conditions), device settings ( There is a keyboard, mouse, scanner, etc.), input mode (Kanji, Romaji conversion mode) start menu (start command for the entire system, and its file name).

Further, information relating the reproduction-only information and the additional recording information is recorded. The address of the reproduction-only information and the address of the additional information (editing processing information) together with the control information are always included in one data handling unit (for example, a sector or the like). As the control information representing the relationship between the reproduction-only information and the additional information, the basic information is the following information. That is, replacement, addition, deletion, movement, and copying. Other control operations can be expressed by a combination of operations corresponding to the above-mentioned basic control information. For example, inserts can be created by add and move operations. When it becomes complicated, the control information indicating the combination operation may be added to the basic control information.

Further, as an example of a combination of control information, there is a reproduction order or the like. This can also be expressed by a combination of additional operations a plurality of times, but may be expressed by the addresses of a plurality of reproduction-only information and one control information. According to this information, the originally recorded reproduction-only information and additional recording information are reproduced in order.

In order to edit and process the reproduction-only information and change the contents, the drive device for the optical information recording medium of the present invention or the computer controlling the drive device is provided with the editing and processing function in advance. For example, when the control information for deleting, inserting, and moving information is read, the operation corresponding to the control information is performed as a predetermined operation by the cooperation operation of the memory and the CPU. For these functions-
It is often used in ordinary word processors and the like, and the exact same method may be used.

(Embodiment 4) FIG. 6 shows an embodiment in which the present invention is applied to a word processor. The format of the disk sector is 130 mm, which is the standard for optical disks.
It corresponds to those described in the ISO (International Organization for Standardization) addition type and rewritable type optical disc cartridges. In other cases, the recording area is different because the disk diameter is 2.5 inches. The format contents are summarized in Table 1.

[0021]

[Table 1]

The track pitch is 1.6 μm and the bit pitch is 1.02 μm. The features of this embodiment can be summarized as follows: 1) A large number of blocks (N, N +) in the recording area of the optical disc.
1, N + 2. ． ).

2) One block is a storage capacity unit (1.2 MB) of a conventional floppy disk. 3) Put the word processing software you have put on the floppy disk into each block (eg address book, spreadsheet,
Dictionary (specialties, etc.)).

4) A directory and startup information are independently put in one information.

5) The area ratio of ROM and RAM can be changed for each block.

The data control in the ROM and RAM word processors has been described above, and will not be described in detail here. With such a configuration, the following effects are obtained.

1) No need for a large number of floppies.

2) Personal information is integrated with the program so that access is quick and there is no risk of loss.

3) The RAM section can be used as a work area constituted by a conventional semiconductor memory, and it is possible to cope with an unexpected power cutoff, and the cost can be reduced.

[0030]

As described above, the following effects can be expected with the optical information recording medium of the present invention.

First of all, a mass-distributed read-only memory (R) which cannot be modified by the user in the past.
On the OM) optical disc, the user can arbitrarily edit and change the contents, and additionally record new information.
Further, by arranging the additional recording information near the corresponding reproduction-only information on the optical disc, the information can be reproduced efficiently and promptly. Further, by recording the reproduction control information in the additional recording area, it becomes possible to easily perform edit processing and content change.

[Brief description of drawings]

FIG. 1 is a plan view of a first embodiment of an optical information recording medium of the present invention.

FIG. 2 is an enlarged view of a part of FIG.

FIG. 3 is a sectional view of FIG.

FIG. 4 is a plan view showing a second embodiment of the present invention.

FIG. 5 is a plan view showing a third embodiment of the present invention.

FIG. 6 is a conceptual diagram of an example of the present invention.

[Explanation of symbols]

2 ... Information recordable / reproducible area, 3 ... Additional recording area, 4 ... Read-only information area, 5 ... Address information, 6 ... Concavo-convex hole, 7
... Hole array, 8 ... Groove, 9 ... Wobble pit, 10 ... Optical reflection film, 11 ... Reproduction control information.

Claims (3)

[Claims] 1. An information recording medium having a ROM area and a RAM area for additional recording, wherein the recording area is divided into blocks composed of a plurality of tracks, and the ROM area and the RAM area are dispersed in the blocks. Information recording medium provided. 2. In order to record information on a disc-shaped recording medium for recording information, the information is divided into areas for recording information in advance, and an address indicating a block and a synchronization signal are recorded at the head of this area. An information recording / reproducing apparatus characterized in that a signal is read out, collated with a recording address, and after confirming the coincidence, a mode for recording information is switched to. 3. In order to record information on a disc-shaped recording medium for recording information, the information is divided into areas for recording information in advance, and an address representing the block and a synchronization signal are provided at the head of this area. Characteristic disk-shaped recording medium.