JPH113557A - Changer type disk reproducer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance operability without necessitating the replacing of disks by starting reproductions from set reproduction starting disk at the time of singly operating a reproduction key to start the reproductions from the specific disk regardless of the housed position of a housing part. SOLUTION: When, for example, a disk 2 and a track 4 are to be set in a program 1 in oreder to input a program, the disk 2 and the track 4 are set in the program 1 of a memory area with the operation of a reproduction key 15 by selecting them with disk selecting keys 11, 12 and track searching keys 17, 18. Programs for every one music are set with respect to housed disks by this operation. In reproductions, the reproduction key 15 is operated without operating disk selecting keys 11, 12, since programs are set, the disk of the program 1 is moved to a reproduction position and reproductions are started from the track 4. Moreover, when the reproduction key 15 is operated by succeeding to an operation selecting one disk with disk selecting keys 11, 12, an arbitrary disk is reproduced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a changer-type disc reproducing apparatus for starting reproduction from a desired disc.

[0002]

2. Description of the Related Art There is a changer-type disc reproducing apparatus which has a storage section for storing a plurality of discs in an apparatus, and can reproduce a selected one of the stored discs. In such a device, for example, when a plurality of disks are stored in a stacked state in the device, the disk 1, the disk 2,... Are set from the disk stored at the top. .

In the above-described apparatus, there are two methods for starting reproduction of one of the stored disks. One method is to provide a plurality of disc selection keys respectively corresponding to a plurality of discs, and to start reproduction from the corresponding disc by operating the key. The other is provided with a selection key for selecting one of a plurality of disks and a reproduction key provided separately from the selection key, and one disk is selected by the selection key. Then, when the user operates the playback key after selecting, the playback is started from the selected disc.

[0004]

In the conventional changer-type disc reproducing apparatus, when a reproducing key is separately provided as described later, if the reproducing key is operated alone without performing the disc selecting operation, the disc is currently selected. It is common to start playback from the disc that is playing.

[0005] Therefore, if it is desired to start reproduction from a specific disk when the reproduction key is operated without going through the disk selection operation, it is necessary to store the disk in a predetermined position of the storage section.

[0006]

In order to solve the above-mentioned problems, a reproduction key for instructing reproduction, a disk selection key for selecting one of a plurality of disks, and a plurality of disks are provided. Among them, there are a setting unit for setting one disk as a reproduction start disk and a control unit for starting reproduction.

[0007]

According to the above arrangement, when a playback operation of a disc is performed by a key operation including at least a disc selection key, reproduction is started from the disc selected by the disc selection key, and the reproduction key is used alone. When a disc reproduction operation is performed by an operation, reproduction is started from a reproduction start disk.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. The embodiment is a changer-type disc reproducing apparatus, which includes a changer 10 having a stocker 44 for storing five discs D1 to D5 and a changer.
And an operation unit 50 for operating the apparatus 10.

The changer-type disc reproducing apparatus according to the present embodiment has a reproducing function described below. That is, when reproduction of one disk is instructed in a state where the program is set, reproduction is started from the program music (reproduction start track) of the disk. The program is set for each one of the five disks stored in the stocker 44, and a total of five programs can be set.

FIG. 1 is a front view of the operation unit 50. The operation unit 50 includes a display panel 7 for displaying an operation state of the changer 10 and setting information of a program, and a changer 10.
Disk selection key 11, which enables the operation mode of
There are provided an operation mode setting key composed of 12, a reproduction key 15, a stop key 16, track search keys 17 and 18, a volume knob 5, and a reset key 19.

The disc selection keys 11 and 12 are operation keys for selecting one of the discs stored in the stocker 44. For example, disc selection key-1
When 2 is operated, the display on the display panel 7 becomes disc1,
When the disc selection key 11 is operated, the display on the display panel is changed to disc5, disc5.
4 and descends.

The reproduction key 15 includes a disc selection key 11,
An operation key used for playing the selected disc, used together with or alone. For example,
When the reproducing key 15 is operated following the operation of selecting a disk by operating the disk selecting keys 11 and 12, the changer 10 brings the selected disk to the reproducing position and enters the reproducing mode. If the playback key 15 is operated without operating the disc selection keys 11 and 12, the changer 10
Brings the disk set by the program 1 to the reproduction position and enters the reproduction mode based on the program setting information described later. The playback key 15 functions as a determination key for determining each setting in the program input mode, and functions as a deletion key when the key is pressed for two seconds or more.

The stop key 16 is operated when the changer 10 is in the reproduction mode to instruct the stop of the rotation of the reproduction disk, and the changer 10 enters the stop mode. In the program input mode,
It functions as a next page key for sequentially increasing the program number. When the key is pressed for 2 seconds or more, the program input mode is released and the stop mode is set.

The track search keys 17 and 18 have both the function of instructing the track search mode and the function of instructing the curing mode for one key, and perform the pressing operation of the key. The time determines which mode is indicated. That is, when the track search keys 17 and 18 are pressed for less than 0.5 seconds, the changer 10 enters the track search mode. Also, track search-1
When 7, 8 is pressed for more than 0.5 seconds, the changer
Reference numeral 10 denotes a queuing mode while the pressing operation is continued.
Become

The reset switch 19 is a changer-1.
When the stop key 16 is operated while the stop key 16 is set to 0 in the stop mode, the changer 10 enters the program input mode. In the program input mode, program setting information as shown in FIG. In the figure, a disk 2 and a track 5 are set in the program 3.

FIG. 3 is a block diagram of the changer-type disc reproducing apparatus according to the present embodiment. Optical pickup 31
Is controlled by known servo control such as a tracking servo and a focus servo, and optically reads information recorded on a disk. The read signal is amplified by the RF amplifier 32 and then input to the signal processing circuit 33. The signal processing circuit 33 performs required digital signal processing such as demodulation and error correction. The processed signal is converted to an analog signal by a D / A converter 34 and then output to an output terminal 35. You.

The output of the RF amplifier 32 is input to a servo circuit 36. The servo circuit 36 generates a spindle motor 37 based on a synchronization signal extracted from the input signal.
The disk is driven by CLV by controlling the rotation of.

The disk transport mechanism 42 transports a selected one of the plurality of disks D1 to D5 stored in the stocker 44 between the inside of the stocker 44 and the reproduction position. The stocker vertical mechanism 45 is provided with a disc selection key-1.
The stocker 44 moves to a position where one of the disks selected by the disk transfer mechanism 42 can be transferred by the disk transfer mechanism 42.
Is driven up and down.

The storage means 48 has memory areas shown in Tables 1 to 6 and stores program setting information.

The system controller 40 controls each part in the changer 10. That is, based on the operation of each operation mode setting key shown in FIG.
3. Output necessary commands to the storage means 48, the spindle motor 37, the disk transfer mechanism 42, and the stocker raising / lowering mechanism 45, and instruct various displays on the display panel 7.

Next, the program setting method in this embodiment will be described with reference to FIGS. 6 to 13 showing the display state of the display panel 7 in the program input mode.
This will be described with reference to Tables 1 to 6 showing the states of the areas.

First, a method of setting a new program from a state where no program is set will be described. In this initial state, the memory area is as shown in Table 1.

When the changer 10 is in the stop mode, the reset switch 19 is pressed while the stop key 16 is being pressed.
Is operated to enter the program input mode. At this time, a display as shown in FIG. 6 is displayed on the display panel 7, indicating that the program has not been input.

From this state, when setting the disk 2 and the track 4 in the program 1, the disk selection key is set.
After selecting the disk 2 and the track 4 by using the track search keys 11 and 12 and the track search keys 17 and 18 (refer to FIG. 7 for the display of the display panel 7), the determination key (reproduction key 15) is operated.
By this operation, the disk 2 and the track 4 are set in the program 1 in the memory area.

When setting the disk 4 and the track 10 in the program 2 continuously, the next page key (stop key 16)
To select program 2 (FIG. 8). Next, after selecting the disk 4 and the track 10 using the disk selection keys 11 and 12 and the track search keys 17 and 18, the determination key is selected.
Operate. By this operation, the disk 4 and the track 10 are set in the program 2 of the memory area, and the memory area becomes as shown in Table 2.

The same operation is continued to set disk 1 and track 6 for program 3, disk 5 and track 2 for program 4, and disk 3 and track 1 for program 5. With the operations so far, the memory area is as shown in Table 3.

By the above operation, a program for each music is set for each of the five stored disks. When canceling the program input mode,
Press the stop key 16 for more than 2 seconds.

Next, a method of deleting a program will be described. As an example, program 4
A method for deleting (disk 5, track 2) will be described.

When the program input mode is set by a predetermined operation, the setting information of the program 1 is displayed (FIG. 9). Next, the program 4 is selected by operating the next page key (FIG. 10). In this state, when the enter key is pressed for more than 2 seconds, the setting information of the program 4 (the disk 5,
Track 2) is deleted. At this time, the display shown in FIG. 11 is displayed on the display panel 7, and the program deletion is completed. The memory area becomes as shown in Table 4 by shifting the setting information of the program 5.

Next, a description will be given of a method of setting a program when a program having the same disk number is not included in a program before correction. As an example, a method for setting the disk 5 and the track 6 in the program 1 from the program contents in Table 4 will be described.

When the program input mode is set by a predetermined operation, the setting information of the program 1 is displayed (FIG. 9). In this state, the disk selection keys 11, 12
And the disk 5, using the track search keys 17 and 18,
After selecting the track 6 (FIG. 13), the enter key is operated. By this operation, the program 1 in the memory area is
The disk 5 and the track 6 are set. Also, the memory
The areas are as shown in Table 5 by shifting the setting information of the programs 1 to 4.

Next, a description will be given of a method of setting a program when a program having the same disk number is included in a program before correction. As an example, a method of setting the disk 3 and the track 7 in the program 1 from the program contents in Table 5 will be described.

When the program input mode is set by a predetermined operation, the setting information of the program 1 is displayed (FIG. 1).
3). Next, the disc 3 and the track 7 are selected using the disc selection keys 11 and 12 and the track search keys 17 and 18 (FIG. 14), and the decision key is operated. By this operation, the disk 3 and the track 7 are set in the program 1 in the memory area. The memory area is as shown in Table 6 by deleting the setting information of the program 5 (disk 3, track 1) and shifting the setting information of the programs 1 to 4.

As described above, one program tune can be set to an arbitrary program number for each of five discs. In the present embodiment, the disk set in the program 1 is set as the reproduction start disk.

Therefore, when the program is set as shown in Table 6, if the reproducing key 15 is operated without performing the disk selecting operation by the disk selecting keys 11 and 12, it will be based on the later-described flowchart. Then, the disk 3 set in the program 1 is brought to the reproduction position, and reproduction is started from the track 7.

In the present invention, when the program 1 is deleted as described above, each of the programs 2 to 5 is shifted to the programs 1 to 4, and the disk set in the program 2 is set as a new reproduction start disk. . Therefore, the reproduction start disk is automatically set until the entire program is deleted.

Next, the reproduction key 15 is changed to the disk selection key-1.
The operation control of the changer 10 when used together with 1, 1 or alone will be described with reference to flow charts FIGS.

When the changer 10 is in the stop mode, the changer 10 operates the disc select keys 11, 1
It is checked whether the disc selection operation has been performed (S1) or the reproduction key 15 has been operated (S2).

When the disk selection operation by the disk selection keys 11 and 12 is detected and the reproduction key 15 is subsequently operated (S3), it is checked whether a program is set in the memory area of the storage means 48. (S4). When the program is set, the selected disc is brought to the reproduction position, and reproduction is started from the track set by the program (S5). Thereafter, after the reproduction of the last track is completed (S6), the flowchart is terminated.

If it is determined in step S4 that the program has not been set, the disk selected by the disk selection keys 11 and 12 is brought to the reproduction position, and reproduction is started from track 1 (S7). . Thereafter, after the reproduction of the last track is completed (S6), the flowchart is terminated.

At step S2, a disk selection key 11,
When the operation of the reproduction key 15 without the operation of the operation 12 is detected, it is checked whether a program is set in the memory area of the storage means 48 (S8). When the program is set, the disc of the disc number set in the program 1 is brought to the reproduction position, and reproduction is started from the track set in the program (S
9). Then, after the reproduction of the last track is completed (S
6) End the flowchart.

If it is determined in step S8 that the program has not been set, the disk with the smallest disk number among the disks stored in the stocker 44 is brought to the playback position, and playback is started from track 1. Yes (S1
0). Then, after the reproduction of the last track is completed (S
6) End the flowchart.

As described above, in the present embodiment, the reproduction can be started from an arbitrary disk by operating the reproduction key 15 following the operation of selecting one disk with the disk selection keys 11 and 12. it can. Furthermore, the playback key 15
By operating alone, playback can be started from the set playback start disk.

Also, since a reproduction start track is set for each of a plurality of disks, a disk selection key is set.
By operating the playback key 15 subsequent to the operation of selecting one disk in 11 and 12, playback can be started from the playback start track of the selected disk. By operating the button, playback can be started from the playback start track of the set playback start disk.

In the present embodiment, when performing a reproducing operation on a desired disk among a plurality of stored disks, after the disk selecting operations by the disk selecting keys 11 and 12, the reproducing key 15 is operated. Although the present invention has been made by operating, the present invention is not limited to this.
No action is required. For example, when a predetermined time elapses after operating the disk selection key, the reproduction of the currently selected disk may be automatically started, or the disk selection corresponding to each of a plurality of disks may be performed. If a key is provided, the reproduction may be started immediately when the disc selection key is operated.

Further, in this embodiment, when the reproduction key 15 is operated alone, the reproduction is started from the disk and the track set by the program 1, and when the track is completed, the reproduction is moved to the next track of the disk. Continue playing. However, the present invention is not limited to this. For example, when the playback key 15 is operated alone, the program 1
Starts playback from the disc and track set in step 2, and after the end of the track, program 2, program 3,.
The discs and tracks set in... May be sequentially reproduced.

In this embodiment, the program setting information is used to determine the reproduction start disk, and the program 1
Is set as the playback start disk, but the present invention is not limited to this. For example, the playback start disk setting means may be provided separately, or the newest disk inserted into the apparatus may be set as the playback start disk.

[0048]

As described above, according to the present invention, when the reproduction key is operated alone, the reproduction can be started from the set reproduction start disk. Therefore, since the reproduction is started from a specific disk irrespective of the storage position of the storage section, it is possible to provide a changer-type disk reproduction apparatus excellent in operability without requiring replacement of the disks.

Further, according to the present invention, a reproduction start track can be set for each of a plurality of disks including a reproduction start disk, so that reproduction can be started from a desired track.

[Brief description of the drawings]

FIG. 1 shows an operation unit 50 for operating a changer 10.
FIG.

FIG. 2 is a front view of the operation unit 50 showing a state of the display panel 7 in a program input mode.

FIG. 3 is a block diagram of a changer-type disc reproducing apparatus.

FIG. 4 shows a changer when the playback key 15 is used together with the disc selection keys 11 and 12, or when used alone.
10 is a flowchart for explaining the operation control of FIG.

FIG. 5 is a changer when the playback key 15 is used together with the disc selection keys 11 and 12, or when used alone.
10 is a flowchart for explaining the operation control of FIG.

FIG. 6 is an explanatory diagram showing a display state of a display panel 7 in a program input mode.

FIG. 7 is an explanatory diagram showing a display state of a display panel 7 in a program input mode.

FIG. 8 is an explanatory diagram showing a display state of the display panel 7 in a program input mode.

FIG. 9 is an explanatory diagram showing a display state of a display panel 7 in a program input mode.

FIG. 10 shows a display panel 7 in a program input mode.
Explanatory drawing which shows the display state of.

FIG. 11 shows a display panel 7 in a program input mode.
Explanatory drawing which shows the display state of.

FIG. 12 shows a display panel 7 in a program input mode.
Explanatory drawing which shows the display state of.

FIG. 13 shows a display panel 7 in a program input mode.
Explanatory drawing which shows the display state of.

FIG. 14 shows a display panel 7 in a program input mode.
Explanatory drawing which shows the display state of.

[Explanation of symbols]

 7 Display Panel 10 Changer 11, 12 Disc Selection Key 15 Playback Key 17, 18 Track Search Key 19 Reset Key 48 Storage Means 50 Operation Unit

[Table 1]

[Table 2]

[Table 3]

[Table 4]

[Table 5]

[Table 6]

Claims (3)

[Claims] A changer-type disc reproducing apparatus having a storage portion capable of storing a plurality of discs, a reproducing key for instructing reproduction, and selecting one disc from the plurality of discs. A disc selection key; setting means for setting one of the plurality of discs as a reproduction start disc; and a disc reproduction operation performed by a key operation including at least a disc selection key. A control unit for starting reproduction from the disk selected by the disk selection key, and starting reproduction from the reproduction start disk when a reproduction operation of the disk is performed by a single operation of the reproduction key. Characterized changer-type disc reproducing apparatus. 2. A changer-type disc reproducing apparatus having a storage portion capable of storing a plurality of discs, a reproducing key for instructing reproduction, and selecting one disc from the plurality of discs. A disc selection key, setting means for setting one of the plurality of discs as a reproduction start disc, and further setting a reproduction start track from tracks recorded on the reproduction start disc; When a disk playback operation is performed by a key operation including a selection key, playback is started from the disk selected by the disk selection key, and the disk playback operation is performed by the single operation of the playback key. And a control unit for starting reproduction from the reproduction start track of the reproduction start disk when the change is performed. Disc playback device. 3. A changer-type disc reproducing apparatus having a storage portion capable of storing a plurality of discs, a reproducing key for instructing reproduction, and selecting one disc from the plurality of discs. A disc selection key; setting means for setting one of the plurality of discs as a reproduction start disc; and setting a reproduction start track for each of the plurality of discs; When a disc playback operation is performed by a key operation including-, the reproduction is started from the reproduction start track of the disc selected by the disc selection key. And a control unit for starting playback from the playback start track of the playback start disk when performed. Disc-type disc playback device.