JPH10112113A - Optical disk player - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the optical disk player capable of continuously reproducing only optical disks of a desired kind without altering a program, etc. SOLUTION: The optical disk player is capable of reproducing plural kinds of optical disks and is equipped with a disk changer function for taking out and reproducing a disk housed in a tray of a disk stocker 1. In this case, a kind of an optical disk housed in a tray of the disk stocker 1 is stored to correspond to its tray number in a RAM 10, and hence position information of trays housing optical disks of a kind instructed by an instrucing switch in an operation instructing key switch group 11 for instructing a desired kind of optical disk to be reproduced is retrieved in the RAM 10 under control of a control circuit 9, so that such an optical disk housed in its tray as specified by the retrieved position information is taken out and reproduced, and successively after completion of this reproduction, the next optical disk house in a tray under retrieval based on the position information is taken out and reproduced in turn.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disk having a disk changer function capable of selecting and reproducing a specified type of optical disk from a disk stocker or a multi-disk tray containing a plurality of types of optical disks. Regarding the player.

[0002]

2. Description of the Related Art An optical disk player having a disk changer function capable of sequentially taking out and reproducing optical disks from a tray or the like of a disk stocker into which a plurality of optical disks are inserted is known. When a normal reproducing operation is performed by such a conventional optical disk player, the optical disk stored in the disk stocker or the multi-disc tray is taken out and reproduced, and after the reproduction is completed, the optical disk is placed in the next tray of the disk stocker. The optical disk is taken out and played.

[0003] In this way, the next tray or the multi-disc tray of the stocker is taken out in order and reproduced. Therefore, the optical discs are successively reproduced in the order in which they are stored in the tray of the disc stocker or the multi-disc tray.

Further, in an optical disk player having such a disk changer function, a video disk such as a digital video disk (also referred to as a DVD) or a video compact disk (also referred to as a video CD) and a compact disk (only a normal audio signal) are recorded. Hereinafter, it may be simply referred to as a CD).

[0005] In an optical disc player capable of reproducing a plurality of types of discs and having a disc changer function, different types of optical discs, ie, DVD, video CD, and CD, are used for a disc stocker tray or a multi-disc tray. Will be stored.

In this case, when a normal reproduction operation is performed,
The optical discs are taken out and played back in the order of the trays of the disc stocker or in the order of the multi-disc trays, and the optical discs sequentially follow in the order of being stored in the tray of the disc stocker or the multi-disc tray. Reproduction is performed.

[0007]

Therefore, according to the above-mentioned conventional optical disk player, video output and audio output or only audio output are performed depending on the optical disk to be reproduced. For this reason, when it is desired to sequentially select desired types of optical discs and to continuously play them back, the optical discs stored in the disc stocker or the multi-disc tray must be replaced with the discs in the disc stocker or the multi-disc tray. There is a problem that it is necessary to check the storage position and to program the reproduction order.

In addition, the program must be changed each time the type of the disc desired to be reproduced is changed or the optical disc stored in the disc stocker or the multi-disc tray is replaced. There is. Moreover, there is a problem that changing this program is troublesome.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an optical disk player capable of continuously reproducing only desired types of optical disks without performing troublesome operations such as changing programs.

[0010]

An optical disk player according to the present invention is an optical disk player capable of reproducing a plurality of types of optical disks, and having a disk changer function of taking out and reproducing a disk stored in a disk stocker. Storage means for storing the type of the optical disk stored in the disk stocker and the storage position information in the disk stocker in association with each other, an instruction switch for indicating the type of the optical disk desired to be reproduced, and an instruction switch. Search means for searching the storage means for storage position information in which the optical disk of the type is stored, taking out the optical disk stored in the storage position based on the searched storage position information and reproducing the optical disk. Next, the storage device is stored at the storage position based on the storage position information searched next. Characterized in that to sequentially reproduce removed disc.

In the optical disk player of the present invention, when the type of the optical disk desired to be reproduced is indicated by the instruction switch, the storage position information in the disk stocker storing the optical disk of the type indicated by the instruction switch is stored from the storage means. The optical disk stored in the storage position based on the storage position information retrieved by the search unit is retrieved and played back, and after the end of the reproduction, the optical disk is moved to the storage position based on the storage position information searched next. The stored optical disks are taken out and sequentially reproduced.

An optical disc player according to the present invention is an optical disc player capable of reproducing a plurality of types of optical discs and having a disc changer function for taking out and reproducing discs stored in a multi-disc tray. Storage means for storing the type of the stored optical disk and the storage position information in the multi-disc tray in association with each other; an instruction switch for indicating the type of the optical disk desired to be reproduced; and an optical disk of the type indicated by the instruction switch Search means for retrieving storage position information in which storage is performed from the storage means. The optical disk stored in the storage position based on the searched storage position information is taken out and played back. Light stored in the storage position based on the storage position information being searched Characterized in that to sequentially reproduce removed disk.

In the optical disk player of the present invention, when the type of the optical disk desired to be reproduced is indicated by the instruction switch, the storage position information in the multi-disc tray storing the optical disk of the type indicated by the instruction switch is stored. The optical disk stored in the storage position based on the searched storage position information is taken out and played back by the search means, and the storage position based on the storage position information searched next after the end of the playback. Are taken out and sequentially reproduced.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An optical disk player according to the present invention will be described below with reference to embodiments. FIG. 1 is a block diagram showing a configuration of an optical disk player according to one embodiment of the present invention.

An optical disc player 20 according to an embodiment of the present invention shown in FIG. 1 is an optical disc player capable of reproducing a plurality of types of discs and having a disc changer function.

The optical disk player 20 includes a disk stocker 1 in which a plurality of optical disks are stored, and a mechanical unit 2 having a loading mechanism for storing and unloading the optical disk in a tray of the disk stocker 1 and a drive mechanism for reproduction. It has. The drive mechanism 2 includes a spindle motor 21 for driving a disk and an optical pickup 22 for reading recorded information from an optical disk.

The optical disk player 20 further includes a microcomputer which receives a signal from an operated instruction key switch in the operation instruction key switch group 11 and controls the optical disk player 20 in cooperation with the RAM 10 as a memory. A control circuit 9 is provided.

The control circuit 9 includes an operation instruction key switch group 11
A mechanism control signal b is sent to the mechanism unit 2 based on the output from the loading instruction key switch in the
The optical pickup 22 reads the so-called TOC information, which is the menu information of the optical disk inserted into the mechanism section 2, based on the drive mechanism.

The read TOC information is transmitted to the signal processing circuit 3
And sends the TOC information c that has been signal-processed and output from the signal processing circuit 3 to the control circuit 9. TOC
The control circuit 9 having received the information c, based on the TOC information c,
The type of the inserted optical disc is determined.

On the other hand, the optical disk from which the TOC information has been read is inserted into the next tray position in the disk stocker 1 by the loading mechanism of the mechanism section 2 controlled based on the mechanism control signal b, and the optical disk is inserted. The tray position information a in the disc stocker 1 is sent from the mechanism section 2 to the control circuit 9. The control circuit 9 that has received the tray position information a and the TOC information c in the disk stocker 1 stores the tray position information a in the disk stocker 1 and the optical disk type information stored in the tray position in the RAM 10 in association with each other.

In the above description, the type information of the optical disk inserted into the tray of the disk stocker 1 is determined based on the TOC information c. When the user inserts the optical disk into the loading mechanism of the mechanism section 2, the optical circuit type information key switch corresponding to the type of the optical disk provided in the operation instruction key switch group 11 is pressed, whereby the optical disk type information is transmitted to the control circuit 9. And the control circuit 9 may determine the type of the optical disc. In this case, it is not necessary to read the TOC information from the inserted optical disc, and the type of the optical disc inserted into the tray of the disc stocker 1 can be determined quickly.

By repeating the above operation, desired optical disks are sequentially inserted into the disk stocker 1 by the operation of the loading mechanism of the mechanism section 2.

When a normal reproduction instruction key switch in the operation instruction key switch group 11 is pressed, a normal reproduction instruction signal is output from the operation instruction key switch group 11. Under the control of the control circuit 9 which has received the normal reproduction instruction signal output from the operation instruction key switch group 11, the order in which the optical disks inserted into the disk stocker 1 are determined by the order of the tray positions in the disk stocker 1 With mechanism part 2
The optical disc taken out by the loading mechanism is placed on the table, and the optical disc placed on the table is driven to rotate by the driving of the spindle motor 21, and the optical pickup 22 reads out the recorded information from the optical disc and reproduces it. . When the reproduction is completed, it is returned to the original tray position in the disc stocker 1.

After the reproduction of the optical disk is completed, similarly, the optical disk stored in the next tray is
The optical disc taken out is rotated by the driving of the spindle motor 21, and the optical pickup 22 reads recorded information from the optical disc and reproduces it.

More specifically, the information recorded on the optical disk read through the optical pickup 22 is signal-processed in the signal processing circuit 3 and supplied to the audio / video decoder 4 to be converted into audio data and video data. The audio data is separated from the audio DAC5
To be converted into an analog audio signal, amplified by the amplifier 7 and transmitted. On the other hand, the video data separated by the audio / video decoder 4 is supplied to a video DAC 6 and converted into an analog signal, and is encoded by a video encoder 8 and transmitted as a video signal.

Of course, if the optical disc to be reproduced is a CD, only an audio signal is output, and if it is a video CD or a DVD, an audio signal and a video signal are output.

When the optical disk is taken out of the tray of the disk stocker 1 and reproduced, if the TOC information has already been read and stored in the RAM 10, the TOC information is not read again, but is already read. RAM
10 is used. The tray position information of the optical disk in the disk stocker 1 stored in the RAM 10 is instructed by an instruction key switch in the operation instruction key switch group 11 to take out the optical disk from the optical disk player. It is stored until it is taken out.

In the optical disc player 20, the operation instruction key switch section 11 has, in addition to the above-mentioned normal reproduction instruction key switch, a CD reproduction instruction key switch 11-1 for instructing only CD reproduction, and an instruction for only video CD reproduction. And a DVD playback instruction key switch 11-3 for instructing only DVD playback. An output signal from each instruction key switch is transmitted to the control circuit 9.
Display 1 for sending to the user and further displaying the state of reproduction
2 is provided.

The display unit 12 displays a play mode display for displaying normal reproduction, a CD reproduction display for displaying only CD reproduction, and a reproduction for video CD reproduction only. A video CD playback display to be displayed,
A DVD playback display that indicates that the playback is a DVD-only playback is included, and the display is controlled based on the control from the control circuit 9.

Now, it is assumed that an optical disk is inserted into the tray of the disk stocker, and information on the tray position and information on the type of disk inserted in the tray are stored in the RAM 10. In this state, the information stored in the RAM 10 is schematically shown in FIG.

Therefore, when the normal reproduction is instructed, based on the information stored in the RAM 10, FIG.
, The optical discs stored in the tray numbers 1, 2, 3,... Are sequentially reproduced following the end of the reproduction of the previous optical disc. This is as if the normal reproduction instruction key switch described above was pressed, and the display 12 was controlled under the control of the control circuit 9.
Is displayed. In FIG. 3, the optical disk stored in tray number 1 is replaced with disk # 1.
It is displayed as 〃. The same applies to other tray numbers.

When the CD playback instruction key switch 11-1 is pressed, the control circuit 9 determines that an instruction to reproduce only a CD has been issued, and the contents of the RAM 10 are searched for the tray number in which the CD is stored. You. As a result of this search, the tray number where the CD is stored in the work area of the RAM 10 is stored. Following this storage, the optical disk is taken out from the smallest tray number and played back, and after the end of the playback, the optical disk is taken out from the tray number with the next smallest number and played back. Hereinafter, similarly, C
This process is repeated until the tray storing D is exhausted. In this way, only the CDs are reproduced in the order shown in the column for displaying only CDs in FIG. During playback, a CD is displayed on the notation device 12 to indicate that only the CD is being played.

Video CD playback instruction key switch 11-2
Is also pressed, the control circuit 9 determines that an instruction to reproduce only the video CD has been given, and the RA
The tray number in which the video CD is stored is searched from the content of M10. As a result of this search, the tray number in which the video CD is stored in the work area of the RAM 10 is stored. Following this storage, the optical disk is taken out from the youngest tray number and reproduced, and following the end of the reproduction,
Next, the optical disk is taken out from the tray number with the lowest number, and reproduction is performed. Hereinafter, the same process is repeated until the tray storing the video CD is exhausted. In this way, only the video CDs are reproduced in the order shown in the column labeled only video CDs in FIG. During the reproduction, a video CD (VIDEO CD) is displayed on the display 12 to indicate that only the video CD is being reproduced.

The same is true when the DVD playback instruction key switch 11-3 is pressed.
It is determined that the reproduction instruction of only D has been issued, and the tray number in which the DVD is stored is searched from the contents of the RAM 10. As a result of this search, the tray number in which the DVD is stored in the work area of the RAM 10 is stored. Following this storage, the optical disk is taken out from the smallest tray number and played back, and after the end of the playback, the optical disk is taken out from the tray number with the next smallest number and played back, and so on. This process is repeated until the tray storing the DVD is exhausted. Thus, in FIG.
Only DVDs are reproduced in the order shown in the column labeled VD Only. During playback, a DVD is displayed on the display unit 12 to indicate that only the DVD is being played.

An instruction key switch for reproducing only an optical disk on which a video signal is recorded, such as a video CD and a DVD, is provided. When the instruction key switch is pressed, the video CD and the DVD are stored respectively. It is also possible to retrieve the optical disk and to reproduce the optical disk in ascending order of the retrieved tray number. An example of the reproduction order in this case is shown in a column of FIG. 3 where only the video is shown, taking the case where the disc shown in FIG. 2 is stored as an example. In this case, the VIDO display on the display 12 is performed.

If there is no optical disk of the specified type stored in the tray of the disk stocker 1,
{No Disc}, {CD-No Di}
sc〃, {DVD-No Disc}, {VIDEO-
A display such as No Disc # may be displayed, and the insertion of a new disk into the disk stocker 1 may be prompted by, for example, a display.

The same applies to the case of a multi-disc tray instead of the disc stocker 1.

[0038]

As described above, according to the optical disk player of the present invention, it is possible to sequentially reproduce only the specified type of optical disk from the optical disks stored in the stocker. Can be

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an optical disk player according to an embodiment of the present invention.

FIG. 2 is a schematic explanatory diagram for explaining the contents stored in a RAM in the optical disc player according to the embodiment of the present invention;

FIG. 3 is an explanatory diagram for explaining an operation of the optical disc player according to the embodiment of the present invention;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Disc stocker 2 Mechanical part 3 Signal processing circuit 4 Audio / video decoder 5 Audio DAC 6 Video DAC 8 Video encoder 9 Control circuit 10 RAM 11 Operation instruction key switch group 12 Display 20 Optical disk player 21 Spindle motor 22 Optical pickup

Claims (3)

[Claims] An optical disc player capable of reproducing a plurality of types of optical discs and having a disc changer function for taking out and reproducing a disc stored in a disc stocker, the type of the optical disc stored in the disc stocker. Means for storing the information and the storage position information in the disk stocker in association with each other; an instruction switch for indicating the type of the optical disk desired to be reproduced; and storage position information for storing the optical disk of the type indicated by the instruction switch. And retrieval means for retrieving from the storage means the optical disk stored in the storage position based on the retrieved storage position information, taken out and played back. The optical disk stored in the storage position based on Optical disc player to. 2. An optical disc player capable of reproducing a plurality of types of optical discs and having a disc changer function for taking out and reproducing discs stored in a multi-disc tray. Means for storing the type of the optical disc and the storage position information in the multi-disc tray in association with each other, an instruction switch for indicating the type of the optical disc desired to be reproduced, and an optical disc of the type indicated by the instruction switch. Search means for retrieving storage position information from the storage means. The optical disk stored in the storage position based on the searched storage position information is taken out and played back. The optical disk stored in the storage position based on the position information is taken out and sequentially reproduced. Optical disc player according to claim Rukoto. 3. An optical disk player according to claim 1, wherein said instruction switch includes an instruction switch for indicating an optical disk on which information based on video data is recorded.