JP2640036B2 - Disc player with autochanger device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Overview] The present invention relates to a disc player with an autochanger device, in which a storage means is provided in the disc player, and each disc stored in a magazine is sequentially reproduced for a predetermined time, and the reproduced music is reproduced. The information is stored in the storage means. This eliminates the need to sequentially play back the discs stored in the magazine one by one via the autochanger device even if the user forgets which discs were stored in the magazine, and the music information stored in the storage means can be reproduced by audio. By playing back as, the disc stored in the magazine can be checked in a short time.

[Industrial applications]

The present invention relates to a disc player with an autochanger device that selectively reproduces a desired disc from a large number of discs stored in a magazine.

[Conventional technology]

2. Description of the Related Art In recent years, a disk player with an autochanger device that stores about 10 compact disks (CDs) in a magazine and sequentially selects and plays a desired disk has been rapidly spreading.

According to this, a desired music in a desired disc can be directly reproduced, and once a large number of CDs are stored in the magazine, the conversion of the CD to the CD player is performed automatically and safely. It was much more convenient than a normal CD player, which had to change CDs one by one by hand.

[Problems to be solved by the invention]

However, in the case of a disc player with an autochanger device, since the frequency of changing the CDs stored in the magazine is reduced, the type of CD stored in the magazine may be forgotten. Must be played back one by one in order to check the type of CD, and the operation is complicated, and there is a problem that it takes time to exchange CDs between the magazine and the CD player.

SUMMARY OF THE INVENTION The present invention solves such a conventional problem, and it is not necessary to replace discs stored in a magazine one by one and to reproduce the discs, and to provide an autochanger device capable of checking the contents of discs in a short time. Intended for disc players.

[Means for solving the problem]

In order to solve the above-mentioned problems, the present invention selects a desired disk from among a large number of disks stored in a magazine, transfers the selected disk to a disk player, and plays back the disk.
A storage means is provided in the disc player, each disc stored in the magazine is sequentially reproduced for a predetermined time, and the reproduced music information is stored in the storage means.

[Action]

According to the present invention, each disk stored in the magazine is sequentially reproduced for a predetermined time, and the reproduced music information is stored in the storage means. Therefore, the user forgets which disk is stored in the magazine. Even in the case, by reproducing the music information stored in the storage means as audio, the disc stored in the magazine can be checked in a short time, and the disc stored in the magazine via an autochanger device as in the related art. Need not be played back one by one.

〔Example〕

 Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a view showing a disc player with an autochanger device according to the present invention.

Reference numeral 1 denotes a magazine which is capable of storing about ten CD2s in a line. Reference numeral 3 denotes a support portion of the magazine 1, which is driven up and down together with the magazine 1 by a motor M1. 4 is
CD2 transport mechanism, C stored in magazine 1
D2 is reciprocated onto the turntable 5 in the player body or vice versa. The disk motor M2 rotates the CD2 loaded on the turntable 5 at a predetermined rotation speed (constant linear velocity)
Drive with Various information such as audio information and time information recorded on CD1 is picked up by the pickup drive motor M3.
It is optically read by a pickup 6 driven along the radial direction of CD2. The signal read by the pickup 6 is output to a signal conversion circuit 8 via a preamplifier 7. The signal conversion circuit 8 performs processing such as error correction and EFM demodulation on the signal from the pickup 6 to convert the signal into a digital audio signal, and extracts a sub-code including time information recorded along with the digital audio signal to obtain a microcode. Output to the computer (microcomputer) 9. still,
The time information recorded on CD2 includes time information indicating the total time (absolute time) from the first information recorded on CD2, and time information indicating the elapsed time from the start position of each song together with the song number. There is. The digital audio signal output from the signal conversion circuit 8 is led out to the semiconductor memory 10 and is also output as an analog audio signal to a subsequent analog circuit (not shown) by the digital / analog conversion circuit 12 via the switch 11.

The microcomputer 9 receives the time information from the signal conversion circuit 8 and controls the pickup drive motor M2 to control the position of the pickup 6 (tune selection control), and the display position of the CD2 reproduced by the pickup 6 as time information. And control of the rotation of the motor M1 for selecting a desired CD2 based on information from a manual operating device (not shown), switching control of writing / reading of audio signals by the semiconductor memory 10, and a switch 11 , And the like.

The player main body is provided with various circuits including a servo system such as a tracking servo and a focus servo, and various controls are performed in connection with these circuits, but the description thereof is omitted here. .

Hereinafter, the operation of the microcomputer 9 related to the present invention will be described.
This will be described with reference to the flowcharts of FIGS. 2 and 3.

When the microcomputer 9 detects that the magazine 1 is mounted on the support 3 by a switch (not shown) provided on the support 3, the semiconductor memory 10 and an internal RAM (random number) for storing lead-in information recorded on the CD 2. The contents such as access memory) are cleared (step S1). Then, the memory for storing the disk number is incremented to 1 and
The support unit 3 is moved by driving the motor M 1, and when the disk 2 is stored in the first storage position in the magazine 1, the transfer mechanism 4 is driven to transfer the disk 2 onto the turntable 5. (Steps S2, S3, S4). Next, the disk motor M2 is driven to rotate the disk 2, and the pickup drive motor M3 is driven to move the pickup 6 to the innermost peripheral portion of the disk 2, where the data is recorded on the disk 2 read by the pickup 2. Lead-in information, that is, the start time (absolute time) of each song recorded on the disk 2
Is stored in the RAM in the microcomputer 9 (step S5). The lead-in information stored in this RAM is stored in the desired disk 2
Is used when directly selecting information of a desired music number in the music.

Then, the pickup 6 is moved to a position corresponding to the beginning of the first tune of the disk 2 (steps S6 and S7), the first tune is reproduced (step S8), and the semiconductor memory 10 is set to a write state (step S9). 3.) Write the audio signal of the first music to the semiconductor memory 10 for 10 seconds (step 10). Thereafter, the write state of the semiconductor memory 10 is released (step S1
1) to stop the reproduction (step S12), and store the disk 2 in the first storage position of the magazine 1 (step S1).
3).

Then, this process is performed on the second disk, the third disk, and all the disks 2 stored in the magazine 1 (step S14).

Thus, when reproducing a desired disc 2 stored in the magazine, the microcomputer 9 performs the same control as that of the related art based on information from a manual operation device (not shown). In this case, the common contact C of the switch 11 is connected to the individual contact a.

When the operator forgets what kind of disk is stored in the magazine 1, the microcomputer 9 presses the switch 14 so that the microcomputer 11 sets the switch 11 to the individual contact b.
(Step S21) and the semiconductor memory 10
Is set to the read state (step S22), and the audio signal of the first music (each 10 seconds) of each disc 2 stored in the semiconductor memory 10 is read until the first order (step S2).
3). The read audio signal of the semiconductor memory 10 is sequentially reproduced from a speaker (not shown) via the digital / analog converter 12. Thereafter, the read state of the semiconductor memory 10 is released (step S24), and the switch 11 is switched to the individual contact a side (step S25).

Thus, even if the user forgets what kind of disk is stored in the magazine 1, the disk is played back while exchanging the disk one by one each time, and the contents need not be confirmed, and the disk is stored in the magazine 1. The disc can be checked in a short time.

In this embodiment, the processing shown in FIG. 2 is performed when the magazine 1 is mounted on the support section 3. However, the processing may be performed by turning on a manual operation switch. Instead, other storage means may be used.

〔The invention's effect〕

As described above, according to the present invention, when the user forgets which disk is stored in the magazine, the contents of the disk can be confirmed in a short time.

[Brief description of the drawings]

FIG. 1 is a diagram showing a disk player with an autochanger device according to the present invention, FIG. 2 is a flowchart showing a storage process of disk information, and FIG. 3 is a flowchart showing a reproduction process of a semiconductor memory. In the figure, 1 is a magazine, 2 is a disk, 3 is a support, 4 is a transfer mechanism, 5 is a turntable, 6 is a pickup, 8 is a signal conversion circuit, 9 is a microcomputer,
Reference numeral 10 denotes a semiconductor memory.

Continued on the front page (51) Int.Cl. ⁶ Identification number Agency reference number FI Technical indication G11B 27/10 M

Claims (1)

(57) [Claims] 1. A disc player with an autochanger device for selecting a desired disc from among a large number of discs stored in a magazine, transferring the disc to a disc player, and reproducing the disc, a storage means in the disc player. Wherein each disk stored in the magazine is sequentially reproduced for a predetermined time, and the reproduced music information is stored in the storage means.