JPH0822663A - Disk reproducing device - Google Patents

Abstract

PURPOSE:To facilitate the taking in/out work of a disk and also to prevent the mistake in the reproducing operation by executing control so that the housing position comes to this side in the case plural disks placed on a tray are exchanged and also newly housed. CONSTITUTION:When the disk is not exchanged, the instruction is made whether or not a new disk is housed from the operation device, and when it is housed, the disk tray 5 is turned by a motor 7 so that the vacant position among the housing parts 5-1 to 5-5 comes to this side, then a motor 6 is driven to open the tray 4. When the disk 2-n placed on either of the disk housing parts 5-1 to 5-5 is taken out without housing a new disk, the motor 7 and motor 6 are driven so that the housed disk comes to this side to open the tray 4. The tray 4 is closed after standby for a specified time, and the operation waiting state is made up.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc reproducing apparatus capable of accommodating a plurality of discs and selecting and reproducing them.

[0002]

2. Description of the Related Art In a conventional rotary disc changer, when a disc being played is taken out, the disc tray is pulled out from the main body so that the disc storage portion corresponding to the disc being played is located in front of the tray. Some discs can be removed by rotating 180 °.

[0003]

However, when reproducing a new disc, the disc is rotated to a designated position in the disc storage unit and stored in the empty storage unit, or when a plurality of discs are sequentially stored, the empty storage unit designated. There is a drawback that the disk tray cannot be rotated and sequentially stored and reproduced in order.

[0004]

According to the present invention, there is provided a tray having a plurality of disc accommodating portions for accommodating discs, a detecting means for detecting the presence / absence of a disc placed on the tray, and in which disc accommodating portion a disc is accommodated. Storage means for storing whether the disc is stored, means for sequentially selecting and reproducing the disc to be reproduced by rotating the tray, driving means for opening and closing the tray for storing and ejecting the disc, and reproducing and storing the stored disc. The disc reproducing apparatus is provided with an operating means for designating ejection and is configured to rotate to a disc position designated by the operating means to open the tray. Further, the disk reproducing device is adapted to rotate the tray to a position designated by the operating means so as to open the tray.

Further, there is provided a disc reproducing apparatus which detects a disc newly mounted on the tray and rotates the tray to a position in which the disc is brought into a reproducing state, thereby closing the tray.

Further, the disc reproducing apparatus is constructed such that the disc designated by the operating means is sequentially rotated to a predetermined take-out position of a predetermined rotation position.

[0007]

An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram of a disc reproducing apparatus of the present invention, and FIG. 2 is a diagram for explaining the operation of a tray and a disc tray. FIG. 3 is a flow chart for explaining the operation of the disc reproducing apparatus of the present invention. Optical disc reproducing apparatus 1
(Not shown) reproduces the disk 2 with an optical pickup and outputs a reproduction output to the output terminal 3. The optical disc reproducing apparatus 1 stores a plurality of discs 1 to n, for example, n =
The tray 4 having the disk storage portions 5-1 to 5-5, which is No. 5, engages the rack 4a of the tray 4 by the opening / closing motor 6 and opens / closes in the arrow AB direction.

The disc tray 5 of the tray 4 is axially engaged with a shaft 4b provided on the tray 4, and is rotated around the shaft 4b in the direction of arrow CD from a motor 7 via a transmission gear 7a, and controlled by a system controller 8. The storage units 5-1 to 5-5 of the disc 2 are rotated so as to come to predetermined positions designated by the operating device 9.

The system control section 8 has a memory device 8a and is stored and operated along with which disk storage section 5-1 to 5-5 the disk 2 is currently stored in, and information such as rotational position information and reproduced music. The operation of the disc reproducing apparatus 1 can be set by an instruction from the device 9 such as a button operation, and the operation state is displayed on the display device 10.

The tray 4 is provided with a detector 11 for detecting a disc in order to detect whether or not the disc 2 is accommodated in the disc accommodating portions 5-1 to 5-5 of the disc tray 5 and is rotated. Information for identifying the disc, such as the present address of the disc tray 5 and the presence / absence of the disc storage units 5-1 to 5-5 of the disc 2, is sent to the system control unit 8.
It is configured to be stored in the memory device 8a.

Referring to FIG. When the power is turned on, first, the system controller 8 instructs the disc controller 5 to rotate the disc tray 5 in order to confirm the position of the disc 2 in which the disc 2 is accommodated. (S1).

The disk tray 5 is driven by the motor 7 to the shaft 4b.
The center of rotation of the disk tray 5 detects the position of the disk 2 in which the disk 2 is stored on the disk tray 5, and the detector 11 detects the position where the disk 2 is stored. The position information is stored in (S2). Detector 11
Can also consist of a photodetector or a physical switch. The detector 11 is connected to each of the disk storage units 5
It can also be arranged in the range of -1 to 5-5.

When all of the disk storage sections 5-1 to 5-5 are empty, the information is displayed on the display device 10 (S3), and the motor 6 is driven to open the tray 4 (S4). . When the disk 2 is stored in the disk storage sections 5-1 to 5-5, which disk storage section (address, etc.) the disk is stored in is displayed on the display device 10 in a table or the like, and the unit stands by.
(S5). When the information such as the tune that has already been reproduced is stored in the memory device 8a, the specified information such as the name of the song to be reproduced is displayed as the specific information, and the designation information such as the station number is displayed. Can be specified.

After waiting for several seconds (for example, 5 seconds) (S6), if no instruction is given from the operating device 9, the stored discs 2-1 to 2-5 are reproduced by the reproducing device 1 and the contents of the music are reproduced. It is displayed sequentially (S7). The system control unit 8 determines whether or not a predetermined music piece is designated by the operation device 9 and reproduction is instructed (S
8) When reproduction is instructed, the disk tray 5 is rotated by the motor 7 to move the disk 2 having the designated music to the reproduction position and reproduced by the reproducing device 1 to output a reproduction signal from the reproduction output output terminal 3. Yes (S9).

When the reproduction music is not designated in S8, the system control unit 8 judges whether or not there is a newly stored disc (S10). If there is, the motor 7 rotates the disc tray 5 to rotate the disc. Is set to the reproduction position, and the reproduction is started from the head music recorded on the disc (S11). S
If there is no newly stored disc in 10, the display device 10 displays an inquiry as to which disc is to be replaced (S12).

The operation device 9 gives an instruction as to whether or not the disc is to be replaced (S13). When the disc is to be replaced, the disc tray 5 is rotated by the motor 7 to position the disc to be replaced to the front position (S14). ). Open Tray 4 (S1
5). The disc placed in the front disc storage portion 5-n is replaced with a new disc (S16). The tray 4 is closed (S17).

The disc tray 5 of S1 is rotated. S1
If the disc is not exchanged in 3, the operating device 9 instructs whether or not to store a new disc (S18). When storing, the empty positions of the disc storage portions 5-1 to 5-5 are in front. The disk tray 5 is rotated by the motor 7 so as to come, and the motor 6 is driven to open the tray 4 (S19).

In S18, when the disk 2-n placed in any of the disk storage sections 5-1 to 5-5 is taken out without storing a new disk, the motor is moved so that the stored disk comes to the front. 7 and the motor 6 are driven to open the tray 4 (S20). After waiting for a predetermined time, the tray 4 is closed and put in a waiting state for operation (S21).

In the above description of the operation of the disc reproducing apparatus of the present invention, the system control unit 8 controls the motor 6 and the motor 7 to open the tray 4 and the storage unit 5 provided in the disc tray 5.
-1 to 5-5, when the disc 2 is placed on or taken out, when the disc is designated by the operating device 9, the disc tray 5 is rotated to a position where the designated disc is easily removed and the tray 4 is opened. Therefore, it is possible to easily exchange a predetermined disc, and to select playback or ejection by distinguishing the music etc. displayed on the display device, so it is not necessary to read the music etc. recorded on the disk, just take it out. If you do, it will be better and you can replace the disk faster.

Further, by controlling the motor 7 to rotate by the system controller 8, the discs placed at the continuous positions of the disk tray 5 or at the spaced positions are sequentially opened with the tray 4 opened once. The disk 2 can be easily taken out even if the specified disk 2 is placed in front of the tray 4 and the tray 4 is not fully opened. Further, in the above description, the tray 4 is provided separately from the disc tray 5, but the tray 4 may be formed in the same circular shape as the disc tray 5 and opened / closed by the motor 6 in the arrow AB direction.

[0021]

According to the present invention, when a plurality of disks placed on the tray are exchanged or newly stored, the storage position is controlled so as to come to the front so that the disks can be easily taken in and out, and a display device can be provided. It is possible to prevent mistakes in the ejecting and reproducing operations because the discs are displayed so as to be discriminated by the song name or the like.

[Brief description of drawings]

FIG. 1 is a block diagram illustrating a main part of an optical disc reproducing apparatus according to the present invention.

FIG. 2 is a diagram illustrating the operation of a tray and a disc tray.

FIG. 3 is a flowchart illustrating an operation when a disc is replaced in the disc reproducing apparatus of the present invention.

[Explanation of symbols]

 1 playback device 2 disc 3 output end 4 tray 4a rack 4b axis 5 disc tray 6,7 motor 8 system control unit 8a memory device 9 operating device 10 display device 11 detector

Claims (4)

[Claims] 1. A tray having a plurality of disc storage units for storing discs, means for detecting the presence or absence of a disc stored in the disc storage unit, and which disc storage unit stores the disc. Storage means,
Means for sequentially selecting and playing back the disks to be played by rotating the tray or the disk tray on the tray,
A drive means for opening and closing the tray for storing and ejecting a disc and an operating means for designating reproduction and ejection of the accommodated disc are provided, and the disc is rotated to the disc position designated by the operating means. A disc playing device characterized by opening the tray. 2. The disc reproducing apparatus according to claim 1, wherein the tray is rotated to a position where the disc designated by the operating means is taken out and the tray is opened. 3. The disc reproducing apparatus according to claim 1, wherein the tray or the disc tray is rotated to a position in which a disc newly mounted in the disc storage portion is detected and brought into a reproducing state, thereby closing the tray. . 4. A disc reproducing apparatus, wherein the disc tray is sequentially rotated to a position where the disc designated by the operating means is taken out.