JPH08171742A - Disk shaped recording medium and optical disk device - Google Patents

Abstract

PURPOSE: To enable a user to easily recognize a class by providing a color marker to be visible corresponding to a class preset in a portion of a disk or a portion of a device casing outer surface. CONSTITUTION: The color marker 13 of an optical disk 11 are provided in a position and a size so as to be clearly recognized at a glance by a user from the label face 12 of the optical disk. The colors of color markers are classified into the following three colors: red for music CD, yellow for CD-ROM and green for CD-I. Disk classes are arrayed and displayed depending on color differences in a position and a size to be easily recognized by a user in the front panel part 21 of an optical disk device casing 20 so that this device can deal with the classes and for their colors the same colors as the color marker 13 provided on the optical disk are used.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc-shaped recording medium and an optical disc device, and more particularly to a disc-shaped recording medium and an optical disc capable of visually recognizing the type of the disc-shaped recording medium and the function of the optical disc device adapted to the type. It relates to the device.

[0002]

2. Description of the Related Art A conventionally used disc-shaped optical information recording medium (hereinafter referred to as an optical disc) has a structure as shown in FIGS. Here, reference numeral 101 is a substrate such as polycarbonate,
In the optical disk device (not shown), the surface 1 of the substrate 101
A light beam is emitted from the 02 side and focused on the information pit portion 104 provided on the opposite surface of the substrate 101. Also, reference numeral 10
Reference numeral 3 denotes a reflecting film for reflecting the condensed light beam, which is usually made of aluminum or the like. Further, reference numeral 105 is a protective film on the back surface of the disk, which is made of resin or the like. FIG. 5 shows an optical disc having the above configuration
It is a view seen from the back side 106, in which there is usually a CD
If so, character information such as software title and table of contents 10
No. 7 is printed.

However, various kinds of optical disks have been used in recent years, and even if the optical disks are the same in appearance, they are music CDs, CD-Gs, CD-Rs, CD-Is, photo CDs, and Cs.
D-ROMs and others exist, and different recording methods are adopted depending on the application. When using different types of disks, a drive device (optical disk device) corresponding to each recording method is required. . Therefore, it is necessary for a general user to recognize the type of the optical disk by the characters 108 written on the back surface of the disk and insert the optical disk into a drive device compatible with this.

[0004]

SUMMARY OF THE INVENTION In the above conventional example,
In order for the user to determine the type of optical disc, it is necessary to read and recognize the information on the back side of the optical disc.
It is necessary to fully understand the corresponding function of the drive device before use. That is, the user firstly selects a disc (music CD, CD-G, CD-R, CD-
I, photo CD, CD-ROM, etc.), the disc type and the function supported by the installed drive device are understood, and the optical disc of each type is selected. It is necessary to mount it on each drive device that conforms to, for example, in the current CD-ROM, single session and multi-session compatible are mixed, and even in the same CD-ROM,
There are models that can support Photo CD and models that cannot.
In addition, the drive device itself often indicates whether or not the function is supported by a display device such as a small character that is relatively unnoticeable, which sometimes causes confusion in the user's judgment. .

[0005]

SUMMARY OF THE INVENTION The present invention has been made based on the above circumstances. A first object of the present invention is to provide an optical disc.
It is to provide an identifying means that allows the user to easily recognize the type.

A second object of the present invention is to provide a discriminating means for allowing the user to easily recognize the disc type applicable to the drive device itself applied to the optical disc.

[0007]

In order to achieve the above object, in the present invention, a light beam is focused on the information area portion to reproduce an information signal recorded in the information area portion or to newly create an information signal. In a disc-shaped recording medium capable of writing various information, a color marker corresponding to a preset type is provided on a part of the recording medium other than the information area section as identification information such as the use of the recording medium and recording conditions. It is provided to be visible.

In the present invention, the light beam is focused on the information area portion of the disk-shaped recording medium to reproduce the information signal recorded in the information area portion or write new information. In the optical disc device, a color marker corresponding to a preset type of a recording medium adaptable to the optical disc device is visually provided on a part of the outer surface of the housing of the optical disc device.

Further, according to the present invention, the light beam is focused on the information area portion of the disk-shaped recording medium to reproduce the information signal recorded in the information area portion or write new information. In the optical disc device, a part of the recording medium other than the information area portion is provided with a color marker corresponding to a preset type as identification information such as the use of the recording medium and recording conditions so as to be visible,
On a part of the exterior surface of the housing of the optical disc device, a color marker corresponding to a preset type of the recording medium that can be adapted to the device can be visually confirmed in a state in which the color marker can be compared with the color marker of the recording medium. It is provided.

[0010]

Therefore, the user can recognize the adaptive relationship between the optical disk and the drive device by visually observing the color markers set in advance for each type. Even if the user does not fully recognize the contents of the type, there is no error. The effect of making an appropriate selection can be obtained.

[0011]

【Example】

(First Embodiment) FIG. 1 is a plan view showing the label surface of an optical disk that best represents the features of the present invention. In FIG. 1, reference numeral 11 is a disk, 12 is a label, and 13 is a color marker. Is. The color marker 13 is
It is provided in a position and size that can be clearly recognized by the user from the label side of the disc at a glance.

The colors of the color markers need to be unified and set in advance according to the type.
It is possible to determine and display the relative relationship between the disc type and the color as shown in FIG. In this embodiment, C for music
Because of D, the color marker is “red”, and the user can easily identify the optical disc by color even if the user does not fully recognize the type of music CD.

Further, FIG. 3 shows a drive device (optical disk device) used in the present invention. In the figure, reference numeral 20 is a device casing, 21 is a front panel, 22
Is a disc mounting tray, and 23 is a color marker. Here, the color marker 23 is provided on the front panel portion of the apparatus at a size and a position that can be easily identified by the user. Further, the color marker 23 has a form in which the types of all the discs that the drive device can support are arranged and displayed by color, and the same color as the color marker provided on the optical disc is used.

In this embodiment, "red", "yellow",
Three patterns of "green" are drawn, and with this marker, the device is "music CD", "CD-ROM", "CD-"
It can be seen that it can be applied to three types of disks of "I".

In such a structure, when reproducing or recording on the optical disk picked up by the user, the user looks at the color based on the type of the disk, selects the target disk, and then is provided on the disk. The drive device having the same color display as that of the color can be selected and installed without hesitation, which enables the reproduction and recording of the disc information by the adaptable drive device without error. Also, if necessary, by providing a color marker on the disc storage case under the same conditions, it becomes easy to identify the disc in the stored state.

[0016]

As described above, the present invention collects a light beam in the information area portion to reproduce the information signal recorded in the information area portion or write new information. In the disk-shaped recording medium that can
On a part of the recording medium other than the information area portion, a color marker corresponding to a preset type is visually provided as identification information such as the use of the recording medium and recording conditions, and an information signal is provided. In an optical disc device that plays back or writes new information, a color marker corresponding to a preset type of a recording medium that can be adapted to this device can be visually observed on a part of the outer surface of the casing of the optical disc device. In this case, even if the user does not fully understand the corresponding function of the drive device, the user can easily discriminate by the color of the color marker. As a result, without mistake,
Playback of disc information on an adaptable drive device,
It is possible to record.

[Brief description of drawings]

FIG. 1 is a diagram of an optical disc showing an embodiment of the present invention.

FIG. 2 is a table showing the correspondence of colors of color markers according to the type of optical disc.

FIG. 3 is a diagram showing a drive device of the present invention.

FIG. 4 is a cross-sectional view showing a conventional optical disc.

FIG. 5 is a plan view showing a conventional optical disc.

[Explanation of symbols]

 11 optical disk 12 label 13 color marker 21 front panel 22 tray 23 color marker

Claims (5)

[Claims] 1. A disc-shaped recording medium capable of reproducing an information signal recorded in the information area and writing new information by converging a light beam in the information area. A disc-shaped recording medium, characterized in that a color marker corresponding to a preset type is visibly provided on a part of the recording medium other than the set as identification information such as the use and recording condition of the recording medium. 2. The disk-shaped recording medium according to claim 1, wherein the color marker is provided on a back surface side of an information recording surface of the recording medium. 3. An optical disc apparatus for reproducing an information signal recorded in the information area portion or writing new information by converging a light beam on the information area portion of the disc-shaped recording medium, An optical disk device, wherein a color marker corresponding to a preset type of a recording medium adaptable to this device is provided on a part of an outer surface of a housing of the optical disk device so as to be visible. 4. The optical disk device according to claim 3, wherein the color marker is provided near a disk mounting portion of the optical disk device. 5. An optical disc apparatus for reproducing an information signal recorded in the information area portion or writing new information by converging a light beam on the information area portion of the disc-shaped recording medium, A color marker corresponding to a preset type is visually provided on a part of the recording medium other than the information area portion as identification information such as the use of the recording medium and recording conditions, and the casing of the optical disk device is provided. On a part of the exterior surface, a color marker of the recording medium adaptable to this device, which corresponds to a preset type, can be compared with a color marker of the recording medium,
An optical disk device characterized by being provided so as to be visible.