JP3531798B2 - Changer type optical disc playback device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a changer-type optical disc reproducing apparatus, and more particularly, to a changer-type optical disc capable of exchanging a plurality of optical discs having reproduction presentation information (video, music, etc.) recorded on both sides. Reproduction device

[0002]

2. Description of the Related Art In order to save the user the trouble of exchanging desired optical discs one by one, a plurality of optical discs are stored in a disc storing means so that the desired optical discs can be exchanged and reproduced. There is a playback device. FIG. 16 shows one type of optical disc, music,
DVD with presentation information such as video recorded
FIG. 9 is a configuration diagram showing a configuration of a conventional changer-type DVD player, which is intended for (Digital Video Disc) and uses a rotor stocker as a disc storage means. In FIG. 16, 1 is a DVD and 2 is 18
It is a rotor stocker that can store one DVD 1.
A center column 4 is provided so as to project from the center of the turntable 3 and a rotary shaft 5 is provided below the turntable 3 (see FIG. 17). A rotary drive unit 6 is coupled to the rotary shaft 5. The rotary drive unit 6 drives the rotary shaft 5 to rotate clockwise or counterclockwise under the control of a system control unit described later. Radially 1 outside the center column 4 inside the turntable 3
Eight holder 7 _{0-7 17} are provided at equal intervals.
Each of the holders 7 _i holds the DVD 1. Each of the holders 7 _i holds a groove 8 into which the lower end of the DVD 1 which is vertically set is inserted, and a DVD which is provided on both sides of the groove 8 so as to project into the groove 8.
It is composed of four protrusions 9 for preventing 1 from coming off.

Reference numeral 20 denotes a disk reproducing section for reproducing the DVD 1, and a turntable 22 rotated by a spindle motor 21 under the control of the system control section.
With respect to the DVD 1 set on the above, a recording signal is detected by the optical pickup 23 from the surface side having the spindle motor 21, and processing such as RF signal creation, 8-16 demodulation, error / detection correction is performed. Then, the data stream is demodulated and further separated into an MPEG2 video stream, an audio stream, and a sub-picture stream, and each is subjected to decoding processing, and the digital video signal obtained by decoding the MPEG2 video stream and the digital video signal obtained by decoding the sub-picture stream are combined. Later, D
A / A conversion is performed to output as an analog video signal V, and a digital audio signal obtained by decoding the audio stream is D / A converted and output as an analog audio signal A.

Reference numeral 24 denotes a changer section, which is controlled by the system control section, and is included in the rotor stocker 2.
Just disk out reference position opposed to the changer unit 24 retrieves the DVD1 from the holder part 7 _j which is in the (position of the holder part 7 ₀ in FIG. 1), or set on the turntable 22 of the disc reproducing unit 20, The DVD 1 set in the disc reproducing unit 20 is housed in the holder portion 7 _j of the rotor stocker 2 just at the disc loading / unloading reference position. Reference numeral 30 denotes a detection unit, which rotates the rotor stocker 2 so that an arbitrary holder unit 7
_A detection pulse is output every time _i reaches the reference position for loading / unloading the disc.

Reference numeral 25 denotes an operation unit for disc selection operation,
Performs STOP operation, etc. Reference numeral 26 denotes a system control unit having a microcomputer configuration which controls the overall reproduction of the player. When the user selects a desired disc with the operation unit 25, another disc is set in the disc reproduction unit 20 until then. Then, the changer unit 24 is controlled to return it to the original holder unit 7 _j of the rotor wrist stocker 2, and then the rotation driving unit 6 and the changer unit 24 are controlled to hold the desired disc of the rotor wrist stocker 2 in the holder unit 7 _j.
The desired DVD 1 is taken out from _i and set in the disc reproducing unit 20, and the disc reproducing unit 20 is controlled to reproduce the presentation information.

FIG. 18 is a flow chart showing the reproduction control processing of the system control unit 26, and FIGS. 19 to 24 are explanatory views of the disc exchange operation. Hereinafter, referring to these figures, the changer type DVD player shown in FIG. The operation of will be described. Although each DVD1 is held in the holder 7 _{1-7 17} rotary stocker 2, D
It is assumed that the direction of VD1 is held so that when the changer unit 24 is set on the disc reproducing unit 20, the A side of the DVD 1 is the reading side of the optical pickup 23. Further, the respective DVDs 1 housed in the holders 70 to 717 are distinguished by the holder numbers _{0 to 17} . Further, as shown in FIG. 16, it is assumed that the DVD 1 having the holder number ₀ is already set in the disc reproducing unit 20, the holder unit 70 is positioned at the disc loading / unloading reference position in the rotor stocker 2, and the system control unit 26 The built-in memory (not shown) has a holder number N of the holder located at the reference position for loading / unloading the disc.
_{It is} assumed that _H and the holder number N _{S of the} holder unit in which the DVD 1 already set in the disc reproducing unit 20 is stored (any DV in the disc reproducing unit 20).
When D1 is not set, N _S shall be blank data). Initially N _H = N _S = 0.

In order to select a desired disk with the operation unit 25, when the user inputs the holder number 3 with the numeral keys for inputting the holder number, the system control unit 26 registers it as N and checks whether N _S is blank data. (Steps S10 to S12 in FIG. 18). Y
If it is ES, the process proceeds to step S16, but since it is NO here, it is further checked whether N _S = N (step S1).
3). If YES, the process proceeds to step S20, but since it is also NO here, the changer unit 24 is controlled and the DVD corresponding to the holder number 0 set in the disc reproducing unit 20.
1 was removed, of the rotary stocker 2, (see arrow A in step S14. FIG. 19) for accommodating pledged in the groove 8 of the holder 7 ₀ which is located the disc out reference position. DVD1 is holding groove 8 of the holder 7 ₀ and the four projections 9. Here, N _S is set as blank data (step S15).

Next, the system control unit 26 compares N and N _H, and in the clockwise direction and the counterclockwise direction, the holder unit 7 _N can move more quickly to the disc loading / unloading reference position and the holder unit 7 _N. The movement amount P in terms of the number is determined, the rotation drive unit 6 is controlled to rotate the rotor wrist stocker 2 in the direction of M, and the number of detection pulses input from the detection unit 30 is P.
By stopping at that point, the holder portion 7 ₃ accommodating the desired DVD 1 is moved to the disc loading / unloading reference position (step S16; see arrow B in FIG. 20).
Then, N _{H is set} to 3 (step S17). continue,
By controlling the changer unit 24, the DVD 1 stored in the holder unit 7 ₃ is taken out, and the disc reproducing unit 20 is set so that the surface A is on the reading surface of the optical pickup 23 (step S18; see arrow C in FIG. 21). . And N
_{S is set} to 3 (step S19). Then, the disc reproducing unit 20 is controlled to start reproducing the presentation information recorded on the DVD 1 (step S20),
Playback of all presentation information is completed, or ST
If the OP operation is performed, the reproduction operation is stopped (step S
21, S22, or S23, S22).

In order for the user to select another desired disk with the operation unit 25, for example, when the holder number 12 is input, the system control unit 26 registers it as N and checks whether N _S is blank data (step S10). ~ S12). Since it is NO, it is further checked whether N = N _S (step S13). Since it is also NO here, the changer unit 24 is controlled to take out the DVD 1 corresponding to the holder number 3 set in the disc reproducing unit 20,
Of rotary stocker 2, pledged in the groove 8 of the holder part 7 _3, located in the disk loading and unloading reference position, it is accommodated (see arrow D in step S14. FIG. 22). D
The VD1 is held by the groove 8 of the holder portion 7 ₃ and the four protrusions 9. Here, N _S is set as blank data (step S15).

Next, the system control unit 26 compares N and N _H, and in the clockwise direction and the counterclockwise direction, the holder unit 7 _N can move more quickly to the disc loading / unloading reference position and the holder unit 7 _N. The movement amount P in terms of the number is determined, the rotation drive unit 6 is controlled to rotate the rotor wrist stocker 2 in the direction of M, and the number of detection pulses input from the detection unit 30 is P.
By stopping at that point, the holder portion 7 ₁₂ accommodating the desired DVD 1 is moved to the disc loading / unloading reference position (step S16; see arrow E in FIG. 23).
Subsequently, after setting N _H to 12 (step S17), the changer unit 24 is controlled and D stored in the holder unit 7 ₁₂ is controlled.
VD1 is taken out and set in the disc reproducing section 20 so that the A side is the reading side of the optical pickup 23, and N is set.
After setting _S to 12 (steps S18 and S19. FIG.
(See arrow F), and controls the disc reproducing unit 20 to
The reproduction of the presentation information recorded in D1 is started (step S20), and when the reproduction of all the presentation information is completed or the STOP operation is performed, the reproduction operation is stopped (step S21, S22, or S2).
3, S22).

[0011]

By the way, some DVDs include a double-sided type in which presentation information is recorded not only on the A side but also on the B side. However, since the conventional changer-type DVD player does not have a mechanism for turning over the DVD, the double-sided DVD is played back only on the A side or the B side which is determined by the direction of the DVD when stored in the rotorist stocker 2. There was a problem that I could not. In order to solve this problem, if a mechanism for turning over the DVD is provided in addition to the rotor stocker 2, a considerable space is required, and the device becomes large. In view of the above-mentioned problems of the prior art, it is an object of the present invention to provide a changer type optical disc reproducing apparatus capable of reproducing any side of a double-sided type optical disc and minimizing the increase in space.

[0012]

In the changer type optical disk reproducing apparatus according to claim 1 of the present invention, a rotatable rotary disk storing means in which a plurality of holder parts for holding an optical disk are arranged in a radial pattern. Rotating means for rotating the rotary disc accommodating means to match a desired one holder portion with a predetermined reference position, reproducing means for reproducing an optical disc, and rotary disc accommodating means at a predetermined reference position. Changer type optical disc reproducing apparatus including: an optical disc which is taken out from one holder part and set in the reproducing means; and an optical disc exchanging means which stores the optical disc set in the reproducing means in the one holder part at the reference position. In the above, the two holder parts of the rotary disc storage means are placed at the center of the rotary disc storage means. The optical discs are arranged on opposite sides to each other, and the optical disc is stored in a holder portion other than the certain two holder portions, and one of the certain two holder portions is moved to the movement source side holder portion. And the other is used as a movement destination side holder portion, and the optical disc held in the former movement source side holder portion is moved to the latter movement destination side holder portion through the center of the rotary disc storage means without changing the direction. Based on the non-reverse reproduction command of the optical disc housed in any desired holder unit other than the two holder units of the moving unit and the rotary side disc housing unit, the source side holder unit and the destination side holder unit. , Controlling the rotating means to rotate the desired holder to a predetermined reference position, controlling the exchanging means to take out the optical disk from the desired holder and setting it to the reproducing means, and controlling the reproducing means. 2 of the non-inverting regeneration control causes the playback of the disc, and the moving source side holder portion of the rotary disk housing means and the destination-side holder portion
Based on the reverse reproduction command of the optical disc housed in any desired holder part other than the one holder part, the rotating means is controlled to rotate the desired holder part to a predetermined reference position,
After controlling the exchanging means to take out the optical disk from the desired holder part, and in this state, controlling the rotating means to rotate the movement source side holder part to a predetermined reference position, the exchanging means is controlled first. The taken out optical disc is stored in the movement source side holder part, and then the movement means is controlled to move the optical disc of the movement source side holder part to the movement destination side holder part and the rotation means is controlled to move the destination side holder part. Is rotated to a predetermined reference position, and then the exchange means is controlled to take out the optical disc from the destination holder part and set in the reproducing means, and the reversing reproduction control for controlling the reproducing means to reproduce the optical disc is performed. And a reproduction control means for performing the reproduction control. According to the apparatus of claim 1, the optical disk stored in any desired holder part other than the two holder parts of the source side holder part and the destination side holder part of the rotary type disk storing means. In response to the non-reverse reproduction command, the rotary optical disk storage means rotates to move the desired optical disk to a predetermined reference position, and then the replacement means takes out the optical disk from the desired holder and sets it in the reproduction means. , By the reproducing means. On the contrary, in response to the reverse reproduction command of the optical disc housed in any desired holder part other than the two holder parts of the source side holder part and the destination side holder part of the rotary type disc housing means, After the desired optical disk is moved to a predetermined reference position by the rotation of the rotary disk storage means, it is temporarily taken out of the rotary disk storage means by the exchanging means, and the rotary disk storage means is rotated to move it from the source side. The holder portion is moved to the reference position, and the desired optical disk previously taken out by the exchange means is stored in the movement source side holder portion. Next, the moving means moves the optical disc of the source side holder part to the destination side holder part, and the rotary disc storing means is rotated to move the destination side holder part to the reference position. The optical disc is taken out from the destination holder part, set in the reproducing means, and reproduced by the reproducing means. Therefore, the main part of the reversing operation is to move the optical disc held in the movement source side holder part of the rotary disc storage means through the center of the rotary disc storage means to the movement destination side holder part without changing the direction. Therefore, it is possible to reproduce any surface of the desired optical disc housed in the rotary disc storage means without securing a large space for performing the reversing operation outside the rotary disc storage means. According to a second aspect of the present invention, in the changer-type optical disc reproducing apparatus according to the first aspect, at least the two holder portions, that is, the movement source side holder portion and the movement destination side holder portion, hold the optical disc in a groove, The moving means includes one of the two holder portions, one of the holder portions is formed, and an arm which is rotatable around an outer periphery of the rotary disc accommodating means in a vertical direction, and a rotating means for rotating the arm. Among the two holder portions, a guide portion for guiding the movement of the optical disc from the groove of the holder portion formed on the arm to the groove of the other holder portion is included. As a result, when the tip of the arm is rotated upward while the optical disc is held in the movement source side holder portion, gravity causes the optical disc to roll and move to the groove of the movement destination side holder portion via the guide portion. Therefore, the optical disc can be reversed with a simple configuration. In the changer type optical disc reproducing apparatus according to the third aspect of the present invention, the two holder parts of the rotary type disc storing means are arranged opposite to each other when viewed from the center of the rotary type disc storing means.
The optical disc is stored in a holder part other than the two holder parts, and
One of them is the source side holder part and the other is the destination side holder part, and the optical disc held in the former source side holder part is moved through the center of the rotary disc storing means without changing the direction of the latter. The moving means for moving to the front side holder part, the non-reverse reproduction control for controlling the reproducing means to reproduce the optical disk based on the non-reverse reproducing command of the optical disk set in the reproducing means, and the non-reverse reproducing control already set in the reproducing means. Based on the reverse reproduction command of the optical disc, the rotation means is controlled to rotate the movement source side holder part to a predetermined reference position, and then the exchange means is controlled to set the optical disc set in the reproduction means to the movement source side holder part. Then, the moving means is controlled to move the optical disc of the movement source side holder portion to the movement destination side holder portion and the rotation means is controlled to move the movement destination side holder portion to a predetermined base. Reproduction control means for rotating to a position, and then controlling the exchanging means to take out the optical disk from the destination holder part and set it in the reproducing means, and controlling the reproducing means to perform reverse reproduction control for reproducing the optical disk. It is characterized by having and. According to the apparatus of claim 3, when the reproducing means has a non-reverse reproduction command for the already set optical disk, the reproducing means directly reproduces the optical disk. On the contrary, the reproducing means reverses the already set optical disk. When there is a reproduction command, the desired optical disk is moved to a predetermined reference position by the rotation of the rotary disk storage means, and then temporarily taken out of the rotary disk storage means by the exchanging means to rotate the rotary disk storage means. Then, the source side holder part is moved to the reference position, and the desired optical disk previously taken out by the exchanging means is stored in the source side holder part. Next, the moving means moves the optical disc of the source side holder part to the destination side holder part, and the rotary disc storing means is rotated to move the destination side holder part to the reference position. Since the optical disc is taken out from the destination holder part and set in the reproducing means and reproduced by the reproducing means, the main part of the reversing operation is the optical disc held in the source holder part of the rotary disc storing means without changing the direction. This is achieved by moving the rotary disc storage means to the destination holder through the center of the rotary disc storage means. Therefore, even if a wide space for performing the reversing operation is not provided outside the rotary disc storage means, the reproducing means is provided. It is possible to reproduce any surface of the desired optical disc that has already been set. According to a fourth aspect of the present invention, in the changer type optical disc reproducing apparatus according to the third aspect, at least the two holder portions, the source side holder portion and the destination side holder portion, hold the optical disc in a groove. The moving means includes one of the two holder portions, one of the holder portions is formed, and an arm which is rotatable around an outer periphery of the rotary disc accommodating means in a vertical direction, and a rotating means for rotating the arm. Of the two holder parts,
It is characterized by including a guide portion for guiding the movement of the optical disc from the groove of the holder portion formed on the arm to the groove of the other holder portion. As a result, when the tip of the arm is rotated upward while the optical disc is held in the movement source side holder portion, gravity causes the optical disc to roll and move to the groove of the movement destination side holder portion via the guide portion. Therefore, the optical disc can be reversed with a simple configuration.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Next, one embodiment of the present invention will be described with reference to FIG. FIG. 1 is a block diagram showing the configuration of a changer type DVD player according to the present invention, and the same components as those in FIGS. 16 and 17 are designated by the same reference numerals. 1 is double-sided DVD, 2A is maximum 1
This is a rotorist stocker capable of accommodating six DVDs 1, a center column 4A is provided at the center of the rotary table 3A, and a rotary shaft 5 is provided below the rotary table 3 (see FIG. 2). , See FIG. 3). A rotary drive unit 6 is coupled to the rotary shaft 5. The rotary drive unit 6 drives the rotary shaft 5 to rotate clockwise or counterclockwise under the control of a system control unit described later. Eighteen holder parts 7 _{0 to} 7 ₁₇ are radially provided on the outer side of the center column 4 in the turntable 3 A at equal intervals. Each of the holders 7 _i holds the DVD 1. Each of the holder 7 _i has a groove 8 into which the lower end of the DVD 1 which is vertically placed is inserted, and a DVD 1 which is provided on both sides of the groove 8 so as to project into the groove 8. It is composed of four protrusions 9 for preventing it from coming off.

[0014] The rotary stocker 2A from central viewed two are exactly positioned on the opposite side of the holder part 7 ₀ and the holder part 7 ₉ is for reversal of the DVD 1, one of the holder 7 ₀
Moving source side holder portion, the other holder part 7 ₉ as the destination holder portion, which is held in the groove 8 of the holder 7 ₀ the DVD 1
And reversing moves through the center of the rotary stocker 2A without changing the orientation to the holder part 7 _9. These two
One of the holder part 7 ₀ and the holder part 7 ₉ only temporarily used to reverse the the DVD 1, usually are free. As shown in FIGS. 1 to 3, the holder part 7 ₀ arm 11
Is formed on the upper surface side of the arm 11, and the arm 11 includes a rotary table 3A
Further, it is inserted into a rectangular opening 10 provided from the vicinity of the lower end of the center column 4A to the outer peripheral end of the rotary table 3A. A shaft 12 is fixed to the arm 11 near the center of the rotor stocker 2A and on the lower surface side of the rotary table 3A. The shaft 12 is rotatably supported by a bearing 12a provided on the lower surface of the rotary table 3A. As a result, the outer peripheral side end of the rotor wrist stocker 2A of the arm 11 is vertically rotatable. The outer peripheral side end of the rotor stocker 2A of the arm 11 rotates downward, and the upper surface of the arm 11 and the rotary base 3 are rotated.
When the upper surface of A is flush with the lower surface of the turntable 3A, the stopper 13 laterally protruding from the lower surface of the arm 11 hits the lower surface of the arm 11 to stop the arm 11 at a predetermined standby position (a position flush with the turntable 3A). It is like this.

The center pillar 4A is exactly in the middle of the center pillar 4A.
The as divided into two, a groove 8 of the groove 8 and the holder part 7 ₉ of the holder 7 ₀ when the outer peripheral side end portion of the rotary stocker 2A of the arm 11 is rotated to a diagonally upward position in a plane a slit-like guide portion 14 which connects linearly is provided seen (see the lower end portion of the guide portion 14 has a groove-shaped, is integral with the groove 8 of the holder 7 _9. 3), while DVD1 contained in the groove 8 of the holder 7 ₀ is guided through the gap between the guide portion 14 without changing the orientation as it is rolled over the bottom 14a of the guide portion 14 to the groove 8 of the holder 7 ₉ , It can be moved linearly when seen in a plane.

[0016] In a state where the holder unit 7 ₀ is positioned at predetermined disk out reference position opposite to the changer unit 24 (the position of the holder part 7 in Fig. 1 _0), the outer peripheral side end of the rotary stocker 2A of the arm 11 An actuator 17 is arranged at a position corresponding to the lower part of the section, and a push rod 18 which normally returns to the lower part is raised to a predetermined upper position when the DVD 1 is reversed, and the arm 11 is obliquely moved to a predetermined upper position. is rotated, DV pledged to the holder part 7 ₀
D1 was from rolling in the direction of the holder portion 7 ₉ the groove 8 of the holder 7 ₀ diagonally by gravity, through the guide portion 14 so that it can be moved to the groove 8 of the holder 7 ₉ There is. In a state in which the holder part 7 ₀ is positioned at predetermined disk out reference position opposite to the changer unit 24, and the actuator 15 is disposed from the rotary table 3 at a predetermined position above the outside of the holder part 7 ₉ , The stopper 16 that normally returns to the outside of the rotor stocker 2A
Is moved to a predetermined position in the center direction of the rotor stocker 2A when the DVD 1 is reversed, and the DVD 1 moved from the holder 7 ₀ enters the groove 8 of the holder portion 7 ₉ and the ordinary holder portions 7 _{1 to} 7 ₈ , 7 ₉ Stop when it reaches the same position as DVD 1 at 7 ₁₇ .

Reference numeral 20 denotes a disc reproducing section for reproducing the DVD 1, and a turntable 22 rotated by a spindle motor 21 under the control of the system control section.
With respect to the DVD (see reference numeral 1A in FIG. 1) set on the above, the optical pickup 23 detects a recording signal from the side where the spindle motor 21 is present, and creates an RF signal, 8-16 demodulation, and an error. / The data stream is demodulated by processing such as detection / correction, and further, after being separated into an MPEG2 video stream, an audio stream, and a sub-picture stream, each decoding processing is performed, and the digital video signal and the sub-picture stream obtained by decoding the MPEG2 video stream are decoded. The decoded digital video signal is combined and further D / A converted and output as an analog video signal V, and the digital audio signal decoded from the audio stream is D / A converted and output as an analog audio signal A.

Reference numeral 24 denotes a changer unit. Under the control of the system control unit, the DVD 1 is taken out from the holder unit 7 _j of the rotor stocker 2A, which is just at the disc loading / unloading reference position facing the changer unit 24, and the disc reproducing unit 20 is operated. D which is set on the turntable 22 or the disc reproducing section 20
The VD1 is housed in the holder portion 7 _j of the rotor stocker 2A, which is located at the reference position for disk loading / unloading. Reference numeral 30 denotes a detection unit, which outputs a detection pulse each time an arbitrary holder unit 7 _i reaches the reference position for disk loading / unloading by the rotation of the rotor stocker 2A.

Reference numeral 25A denotes an operation unit for performing disk selection operation, reverse / non-reverse reproduction mode selection operation, STOP operation and the like. Reference numeral 26A denotes a system control unit having a microcomputer configuration that controls the player's overall reproduction.
When the user performs a desired disc selection operation and a non-reverse reproduction mode selection operation at 5A, if another disc has been set in the disc reproduction unit 20 until then, the changer unit 24 is controlled to control the rotor lister 2A. After returning to the original holder part 7 _j , the rotation drive part 6 and the changer part 2
4 is controlled to take out the desired DVD 1 from the holder portion 7 _i in which the desired disc of the rotor stocker 2A is stored, and set it in the disc reproducing portion 20.
Control the presentation information to be played back.
When the desired disc selection operation and the non-reverse reproduction mode selection operation are performed and the desired disc has already been set in the disc reproduction unit 20, the disc reproduction unit 20 is controlled to reproduce the presentation information.

When the user performs a desired disc selection operation and a reverse reproduction mode selection operation on the operation unit 25A, if another disc is set in the disc reproduction unit 20 until then, the changer unit 24 is controlled. Then, after returning to the original holder portion 7 _j of the rotor lister 2A, the rotation drive unit 6 and the changer unit 24 are controlled to take out the desired DVD 1 from the holder portion 7 _i in which the desired disk of the rotor lister 2A is stored, and once. The disc reproducing unit 20 is set. Subsequently, by controlling the rotation drive part 6 holder 7 ₀ rotary stocker 2A rotates until the reference position for disk and out, and controls the changer unit 24 has a set state in the disk reproducing unit 20 the DVD 1
The is accommodated in the holder portion 7 _0. Then, by controlling the actuators 15 and 17, the holder portion 7 ₀ passes through the center guide portion 14 of the rotor wrist stocker 2A and the holder portion 7 ₉
After moving to the rotation drive unit 6 and the changer unit 24
Control to the allowed set in the disc reproducing unit 20 retrieves the desired DVD1 from the holder part 7 _9, the disc reproducing unit 20
Control the presentation information to be played back.
When the selection operation and the inverted playback mode selection operation of a desired disc is, if already desired disk set already in the disk reproducing section 20, the holder part 7 ₀ of the rotary stocker 2A controls the rotation driving unit 6 is a disk rotates to come out for the reference position, and controls the changer unit 24 to house the DVD1 which is a set state in disc reproduction 20 in the holder unit 7 _0. And the actuator 1
5,17 and controls the holder part 7 by controlling the after moved to the holder part 7 ₉ from the holder part 7 ₀ through the center of the guide portion 14 of the rotary stocker 2A, the rotary drive portion 6 and the changer unit 24 _The desired DVD 1 is taken out from the disc ₉ and set in the disc reproducing section 20, and the disc reproducing section 20 is controlled to reproduce the presentation information.

4 and 5 show a system control unit 26.
6 to 15 are flowcharts showing the reproduction control process of A.
FIG. 3 is an explanatory diagram of a disc exchange operation, and the operation of the changer type DVD player shown in FIG. 1 will be described below with reference to these figures. Incidentally, each of the double-sided type DVD the holder part 7 _{1-7 8,} 7 _{10-7 17} rotary stocker 2
1 is held, but when the DVD 1 is set to the disc reproducing unit 20 by the changer unit 24 after moving to the disc loading / unloading reference position, the A side of the DVD 1 becomes the reading face side by the optical pickup 23. Be held as follows. Also, the holder part 7 ₁ ~
The respective DVDs 1 housed in 7 ₈ and 7 _{10 to} 7 ₁₇ are distinguished by holder numbers 1 to ₈ and _{10 to 17} . Also,
Still DVD1 is not set in the disc reproducing unit 20, the rotary stocker 2A is assumed to holder part 7 ₀ is located at the reference position for disk loading and unloading (see the state of FIG. 1), built in the system control section 26A A memory (not shown) stores the holder number N _{H of the} holder portion located at the reference position for disc loading and unloading and the holder number N _{S of the} holder portion where the DVD 1 already set in the disc reproducing portion 20 was originally stored. (N _S is blank data when no DVD 1 is set in the disc reproducing unit 20). Initially N _H = 0 and N _S = blank. Further, the actuator 15 makes the stopper 16 stand by at a predetermined position outside the rotor lister 2A (see reference numeral 16 and FIG. 6 in FIG. 1), and the actuator 17 makes the push rod 18 stand by at a predetermined position below the rotary table 3. (See FIG. 2 and FIG. 6).

(1) Non-reversed reproduction When the user selects a desired disc using the operation unit 25A, when the user inputs, for example, 3 of the holder numbers 1 to 8 and 10 to 17, the system control unit 26A causes the N
Is registered (steps S30 and S31 in FIG. 4). Next, when the non-reverse reproduction mode is selected using the operation unit 25A, YES is determined in the step S32, and the step S33 is performed.
To determine the mode. In this case, since it is the non-reverse reproduction mode, the system control unit 26A determines that the non-reverse reproduction command of the DVD 1 of the holder number 3 has been given and proceeds to step S34 to check whether N _S is blank data (step S34). Since YES, step S37
Proceed to. If NO in step S34, it is further checked whether N _S = N (step S35), and YES.
If so, the process proceeds to step S39 to control the disc reproducing unit 20 to reproduce the DVD1, but if NO, the process proceeds to step S36 to control the changer unit 24 to take out the DVD1 set in the disc reproducing unit 20. , The holder portion 7 _i (i is 1 to 8 or 10 to 17) located at the reference position for loading / unloading the disc in the rotor lister 2A.
(Any one of the above) and store it by inserting it into the groove 8 and use N _S as blank data. The DVD 1 is held by the groove 8 and the four protrusions 9. Then, it progresses to step S37.

In step S37, the system control unit 26A compares N and N _H, and in the clockwise direction and the counterclockwise direction, the holder unit 7 _N can move more quickly to the disc loading / unloading reference position and the holder unit 7 _N. The amount of movement P in terms of the number is determined, the rotation drive unit 6 is controlled to rotate the rotor stocker 2A in the direction of M, and stop when the number of detection pulses input from the detection unit 30 reaches P. Then, the holder portion 7 ₃ accommodating the desired DVD 1 is moved to the reference position for loading / unloading the disc. Then, N _H = 3 is set (see symbol N in FIG. 9). Then, the changer section 24
Controls, removed DVD1 housed in the holder portion 7 _3, A plane disc reproducing unit 20 is set to come to the reading surface of the optical pickup 23. And N _S =
3 (step S38; refer to reference numeral O in FIG. 10). After that, the process proceeds to step S39 to control the disc reproducing unit 20 to reproduce the presentation information recorded on the side A of the DVD 1, and when the reproduction of all the presentation information is completed or the STOP operation is performed, the reproducing operation is performed. It is stopped (step S40 or S41, S42). In this way, the user can view the side A of the desired DVD 1.

(2) Reverse reproduction In contrast to this, the DVD 1 with the holder number ₃ is in the holder portion 7 ₃ of the rotor stocker 2A (moved to the reference position for disc loading / unloading, and then set in the disc reproducing unit 20 by the changer unit 24). When you play DVD A
The direction in which the surface becomes the reading surface side by the optical pickup 23. If the user wants to view the B side of the DVD 1 (see FIG. 1), first, when the holder number 3 is input through the operation unit 25A, the system control unit 26A registers it as N (steps S30 and S31 in FIG. 4). Next, the operation unit 25
When the reverse playback mode is selected with A, step S3
It is determined to be YES in 2 and the mode is determined in step S33. In this case, since the mode is the reverse reproduction mode, the system control unit 26A determines that the reverse reproduction command for the DVD 1 of the holder number 3 has been given and proceeds to step S50 in FIG. 5 to check whether N _S is blank data. Since YES, the process proceeds to step S53. Incidentally, if step S50
If NO in step S51, it is further checked whether N _S = N (step S51). If YES, the process proceeds to step S55 and subsequent steps, but if NO, the process proceeds to step S52 to control the changer unit 24 and The DVD 1 set in the reproducing section 20 is taken out and inserted into the groove 8 of the holder section 7 _i (i is 1 to 8 or 10 to 17) located at the disc loading / unloading reference position in the rotor lister 2A. Are stored, and N _S is used as blank data. D
The VD1 is held by the groove 8 and the four protrusions 9. Then, it progresses to step S53.

In step S53, the system control unit 26A compares N and N _H, and in the clockwise direction and the counterclockwise direction, the holder unit 7 _N can move more quickly to the disc loading / unloading reference position and the holder unit 7 _N. The amount of movement P in terms of the number is determined, the rotation drive unit 6 is controlled to rotate the rotor stocker 2A in the direction of M, and stop when the number of detection pulses input from the detection unit 30 reaches P. Then, the holder portion 7 ₃ accommodating the desired DVD 1 is moved to the reference position for loading / unloading the disc. Then, N _H = 3 is set (see symbol N in FIG. 9). Then, the changer section 24
Controls, removed DVD1 housed in the holder portion 7 _3, A plane disc reproducing unit 20 is set to come to the reading surface of the optical pickup 23. And N _S =
3 (step S54; refer to symbol O in FIG. 10).

Next, the system control section 26A is set to 0.
And by comparing the N _H, of the clockwise and counterclockwise direction, and determines the movement amount P as seen by the number of directions M and a holder portion for the holder part 7 ₀ can move faster disk out reference position,
By controlling the rotation drive unit 6 to rotate the rotor stocker 2A in the direction of M and stopping when the number of detection pulses input from the detection unit 30 reaches P, the holder unit 7 that is the movement source side holder unit 7 is stopped. Move ₀ to the disc loading / unloading reference position. Then, N _H = 0 (step S5)
5. Refer to the code | symbol Q of FIG. 11). Then, the changer section 24
1 which controls the disc and is set in the disc reproducing section 20.
The extraction, of the rotary stocker 2A, is housed pledged in the groove 8 of the holder 7 ₀ which is located the disc out reference position, the N _S to the blank data. DVD1 corresponding to Horudananba 3 holder 7 ₀ of the groove 8
And the four projections 9 hold it (step S56; see reference symbol R in FIGS. 6, 6 and 12).

Next, the system control unit 26A controls the actuators 15 and 17 to move the DVD 1 from the holder unit 7 ₀ which is the source holder unit to the holder unit 7 ₉ which is the destination holder unit (step S57). Figure 1
(See T of 3). Specifically, the system control unit 26A first controls the actuator 15 to move the stopper 16 forward in the center direction of the rotor wrist stocker 2A to a predetermined position (reference numeral 16A in FIG. 1, arrow G in FIG. 7, and FIG. 13). (See arrow S), the actuator 17 is controlled to raise the push rod 18 to a predetermined upper position (see symbol H in FIG. 7), so that the outer peripheral side end of the rotor wrist stocker 2A of the arm 11 is obliquely moved to a predetermined upper position. is rotated (see arrow I in FIG. 7), DV held by the holder portion 7 ₀
D1 was from rolling from the holder part 7 ₀ of the groove 8 in its own weight, through the guide portion 14 moves until it stops at stopper 16 enters the groove 8 of the holder 7 ₉ (see arrow T arrow J reference. Figure 13 of FIG. 7 ). Thereafter, the actuator 15 is controlled to retract the stopper 16 in the outer peripheral direction of the rotor wrist stocker 2A to a predetermined return position (see arrow K in FIG. 8 and arrow U in FIG. 14), and the actuator 17 is controlled to control the push rod 18. By lowering the arm 11 to a predetermined return position (see arrow L in FIG. 8), the arm 11 is stopped by its own weight.
When it hits 3, it is rotated downward until it stops horizontally (see arrow M in FIG. 8).

[0028] When the movement of the DVD1 of and as described above the holder 7 _{0-7 9} ends, the system controller 2
6A compares the holder number 9 with _NH , and determines the moving amount P in terms of the direction M in which the holder portion 7 _N can move to the reference position for putting in and out faster and the number of holder portions, out of the clockwise direction and the counterclockwise direction. Then, the rotation drive unit 6 is controlled to rotate the rotor wrist stocker 2A in the direction of M, and stop when the number of detection pulses input from the detection unit 30 reaches P,
The holder portion 7 ₉ accommodating the desired DVD 1 is moved to the reference position for taking in and out. Then, N _H = 9 is set (step S58, see arrow V in FIG. 14). Subsequently, by controlling the changer section 24, it retrieves the DVD1 housed in the holder part 7 _9, is set in the disc reproducing unit 20. Then, N _S = 9 is set (step S59. Arrow W in FIG. 15).
reference). Since the DVD 1 has been inverted immediately before, the B side comes to the reading side of the optical pickup 23.

After that, the process proceeds to step S60, the disc reproducing section 20 is controlled to reproduce the presentation information recorded on the B side of the DVD 1, and if all the presentation information is reproduced or the STOP operation is performed. The reproduction operation is stopped (steps S61, S63 or S62, S63). In this way, the user can view the B side of the desired DVD 1.

While the DVD 1 corresponding to the holder number 3 is set in the disc reproducing section 20 with the B side being the reading side of the optical pickup 23 and the reproducing operation is stopped, the user again changes the A side of the DVD 1 concerned. When the user wants to watch, he / she inputs the holder number 3 on the operation unit 25A and selects the non-reverse reproduction mode. System control unit 2
9 is N when the holder number 3 is input on the operation unit 25A.
(Steps S30 and S31 in FIG. 4), and when the reversing reproduction mode is selected on the operation unit 25A, YES is determined in step S32, and step S33 is performed.
To determine the mode. In this case, since the mode is the reverse reproduction mode, the system control unit 26A determines that the reverse setting command for the DVD 1 of the holder number 3 has been given and proceeds to step S50 in FIG. 5 to check whether N _S is blank data.

Since NO is obtained in step S50, further
N _S = N or checked (step S51), the process proceeds to YES because the step S55, and controls the rotation driving unit 6 rotates the rotary stocker 2A and causes hexa the holder 7 ₀ out reference position (see FIG. 11 ). Then, by controlling the changer unit 24, the DVD 1 of the disc reproducing unit 20.
After allowed accommodated in the holder portion 7 ₀ (see FIG. 12), on the rotary stocker 2A by controlling the actuator 15, 17 in the same manner as described above, is moved by rolling the DVD1 from the holder part 7 _{0-7 9} (Steps S56, 5
7. (See FIG. 13). Thereafter, by controlling the rotation driving section 6 rotates the rotary stocker 2A and causes hexa holder portion 7 ₉ the disk out for the reference position (step S58.
See FIG. 14), further controls the changer unit 24, takes out the DVD1 from the holder part 7 _9, the disc reproducing unit 20
Set to (step S59, see FIG. 15),
The reproduction of the presentation information is started (step S60). As a result, the DV corresponding to the holder number 3
For D1, you can watch the A side, which is the opposite of the last time.

According to this embodiment, the first holder portion 7 _i (i is 1～8,10～17 rotary stocker 2A
When a non-reversed reproduction command for the DVD 1 stored in one of the two) is given, the system control unit 26A controls the rotation drive unit 6 to rotate the rotor lister 2A to obtain a desired D.
The holder unit 7 _i in which the VD1 is housed is moved to the reference position for disc loading / unloading, the changer unit 24 is controlled, the DVD 1 is taken out from the holder unit 7 _i and set in the disc playback unit 20, and then the disc playback unit 20 is controlled. Then DV
Start playback of D1. Conversely, the holder part 7 _i of the rotary stocker 2A (i is one of 1～8,10～17)
When the reverse reproduction command of the DVD 1 stored in
The system control unit 26A controls the rotation drive unit 6 to rotate the rotor stocker 2A to drive the desired DVD.
1 is moved to the reference position for disk loading and unloading the holder part 7 _i which is accommodated, controls the changer unit 24, is taken out to the outside of the rotary stocker 2A by causing in the disc reproducing unit 20 retrieves the DVD1 from the holder part 7 _i In advance, the rotation drive unit 6 is controlled to rotate the rotor stocker 2A to move the holder unit 7 which is the movement source side holder unit.
Move ₀ to the disc loading / unloading reference position. Then, by controlling the changer section 24, thereby storing the DVD1 set in the disc reproducing unit 20 to the holder 7 _0. Then, for moving the DVD1 from the holder part 7 _{0-7 9} controls the actuator 15 stopper 16
Is moved forward to the center of the rotor stocker 2A to a predetermined position, the actuator 17 is controlled, and the push rod 1
8 by rotating the outer peripheral side end portion of the rotary stocker 2A of the upper position arm 11 is formed of the holder part 7 ₀ raised to up to an upper predetermined position, the holder part 7 by the action of gravity
The DVD1 ₀ was from rolling from the groove 8 is placed in the groove 8 of the holder 7 ₉ via the guide portion 14. Stopper 16 and push rod 1
Return 8 to the original. After that, the rotary drive unit 6 is controlled to rotate the rotor stocker 2A to drive the desired DVD.
1 is moved to the reference position for disk loading and unloading the holder part 7 ₉ which is accommodated, controls the changer unit 24, is set in the disc reproducing unit 20 retrieves the DVD1 from the holder part 7 ₉ controls the disk reproducing section 20 Start playback of DVD1. Thus, optionally a major portion of the inverting operation of the DVD1 is is held by the holder 7 ₀ a moving source side holder portion of the rotary stocker 2A DVD1, the destination side through the center of the rotary stocker 2A without changing the orientation because achieved by moving to the holder 7 ₉ a holder part, without securing a wide space for performing inversion operation on the outside of the rotary stocker 2A, stored in the rotary stocker 2A desired DVD1 any of The surface can be regenerated.

On the other hand, when a non-reverse reproduction command for the set DVD 1 is given to the disc reproducing unit 20, the system control unit 26A controls the disc reproducing unit 20 to start the reproduction of the DVD 1 as it is. On the contrary, when the reverse playback command of the set DVD 1 is given to the disc playback unit 20, the system control unit 26A controls the rotation drive unit 6 to rotate the rotor lister 2A to move the holder unit which is the holder unit on the movement side. 7 ₀ is moved to the disc loading / unloading reference position. Then, by controlling the changer section 24, thereby storing the DVD1 set in the disc reproducing unit 20 to the holder 7 _0. Then, by controlling the actuator 15 and 17, after moving the DVD1 from the holder part 7 _{0-7 9,} controls the rotation driving unit 6, the holder portion desired DVD1 by rotating the rotary stocker 2A is housed 7 ₉ is moved to the reference position for disc loading / unloading, the changer unit 24 is controlled, and the holder unit 7 ₉
Then, the DVD 1 is taken out and set in the disc reproducing unit 20, and the disc reproducing unit 20 is controlled to start the reproduction of the DVD 1. Thus, the desired DVD1 is when already in the disc reproducing unit 20, a DVD1 the main part of the inverting operation of the desired DVD1 is is held by the holder 7 ₀ a moving source side holder portion of the rotary stocker 2A, the orientation because achieved by moving to the holder 7 ₉ is a destination-side holder portion through the center of the rotary stocker 2A without changing, without securing a wide space for performing inversion operation on the outside of the rotary stocker 2A Also, it becomes possible to reproduce any desired surface of the desired DVD 1 already set in the disk reproducing section 20.

Further, the holder portion 7 which is the movement source side holder portion.
₀ to a state where DVD1 is held, if rotating the previous arm 11 upwardly, DVD1 from the holder part 7 ₀ of the groove 8 by gravity is in the destination-side holder portion through rolling, the guide portion 14 since moving to the groove 8 of the holder 7 _9, it is possible to reverse the DVD1 by a simple structure.

[0035] In the embodiment described above, the holder part 7 ₀ of the moving source side is formed on the arm 11, the arm 1
1 is tilted and the DVD 1 is rolled by the action of gravity, and the holder portion 7 ₀ passes through the guide portion 14 and the opposite holder portion 7 ₉
However, the DVD1 may be rolled by applying a rotating feed roller to the upper end of the DVD1. Alternatively, the upper end of the DVD1 may be clamped by a lifting hand and lifted a little and then lifted. the hand was moved in the direction of the holder part 7 _9, where DVD1 came just above the holder 7 _9, DVD in the groove 8 of the holder 7 ₉ lowering the suspended hand
The lower end of 1 may be inserted.

Further, after it is housed desired DVD1 into holder 7 ₀ located in the disk loading and unloading for the reference position, first,
After moving the desired DVD 1 from the holder portion 7 ₀ to the holder portion 7 ₉ , the rotor wrist stocker 2A is rotated to bring the holder portion 7 ₉ to the disc loading / unloading reference position, and the changer portion 24 sets it on the disc reproducing portion 20. was manner, and in reverse order, after which was housed desired DVD1 into holder 7 ₀ located in the disk loading and unloading for the reference position, first, by rotating the rotary stocker 2A, for the holder 7 ₉ disc out The desired DVD 1 stored in the holder portion 7 ₀ after being moved to the reference position is held in the holder portion 7 ₉
Alternatively, the changer unit 24 may set the disc reproducing unit 20. In this case, the actuator 15 and the stopper 16 are installed so as not to interfere with the operation of the changer portion 24.
Further, in the above-described embodiment, the optical disc is a DV.
Although D has been described as an example, the present invention is not limited to this, and can be similarly applied to other types of optical disks.

[0037]

According to the present invention, the main part of the reversing operation is performed by passing the optical disk held in the holder on the moving side of the rotary disk storage means through the center of the rotary disk storage means without changing the direction. This can be achieved by moving to the destination holder part, so that it is possible to reproduce any surface of the optical disk without securing a large space for performing the reversing operation outside the rotary disk storage means.

[Brief description of drawings]

FIG. 1 is a block diagram of a changer type DVD player according to an embodiment of the present invention.

FIG. 2 is a front view with a part of the rotor stocker in FIG. 1 omitted.

FIG. 3 is a rotary stocker III-III in FIG.
FIG. 5 is a vertical cross-sectional view taken along the line ′ with a part omitted.

FIG. 4 is a flowchart showing a reproduction control process of a system control unit in FIG.

5 is a flowchart showing a reproduction control process of a system control unit in FIG.

FIG. 6 is an explanatory diagram of a disc reversing operation in the rotor stocker in FIG.

7 is an explanatory diagram of a disc reversing operation in the rotor lister in FIG. 1. FIG.

FIG. 8 is an explanatory diagram of a disk reversing operation in the rotor lister in FIG.

9 is an explanatory diagram of a disc exchange operation of the changer type DVD player of FIG. 1. FIG.

10 is an explanatory diagram of a disc exchange operation of the changer type DVD player of FIG. 1. FIG.

FIG. 11 is an explanatory diagram of a disc exchange operation of the changer type DVD player of FIG.

FIG. 12 is an explanatory diagram of a disc exchange operation of the changer type DVD player of FIG.

13 is an explanatory diagram of a disc exchange operation of the changer type DVD player of FIG.

14 is an explanatory diagram of a disc exchange operation of the changer type DVD player of FIG. 1. FIG.

FIG. 15 is an explanatory diagram of a disc exchange operation of the changer type DVD player of FIG.

FIG. 16 is a block diagram showing a configuration of a conventional changer type DVD player.

17 is a rotary stocker XVII- in FIG.
It is a longitudinal cross-sectional view with a part omitted along line XVII ′.

18 is a flowchart showing a reproduction control process of the system control unit in FIG.

19 is an explanatory diagram of a disc exchange operation of the changer type DVD player of FIG.

20 is an explanatory diagram of a disc exchange operation of the changer type DVD player of FIG.

21 is an explanatory diagram of a disc exchange operation of the changer type DVD player of FIG.

22 is an explanatory diagram of a disc exchange operation of the changer type DVD player of FIG.

23 is an explanatory diagram of a disc exchange operation of the changer-type DVD player of FIG.

24 is an explanatory diagram of a disc exchange operation of the changer type DVD player of FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 DVD 2A Rotor stocker 3A Rotation table 4A Central pillar 6 Rotation drive part 7 _{0 to} 7 ₁₇ Holder part 8 Groove 9 Protrusion 11 Arm 14 Guide part 15 and 17 Actuator 20 Disc reproducing part 23 Optical pickup 24 Changer part 25A Operation part 26A System Control part

Claims (4)

(57) [Claims] 1. A rotatable rotary disk storage means in which a plurality of holders for holding an optical disk are arranged in a radial pattern, and a rotary disk storage means is rotated to set a desired one holder to a predetermined reference. Among the rotating means for matching the position, the reproducing means for reproducing the optical disk, and the rotary type disc storing means, the optical disk is taken out from one holder portion at a predetermined reference position and set in the reproducing means, or the reproducing means. In a changer type optical disc reproducing apparatus including: an optical disc exchanging means for accommodating the optical disc set in the above into one holder part at a reference position, the two disc holders of the rotary type disc accommodating means are The optical discs are arranged on opposite sides of each other when viewed from the center of the accommodating means, and the optical disc is provided with the two holder portions. Other than the two holder parts, one of the two holder parts is used as the movement source side holder part, and the other is used as the movement destination side holder part, and is held by the former movement source side holder part. Moving means for moving the optical disk to the destination holder part of the latter through the center of the rotary disk storing means without changing the direction, the source holder part and the destination holder of the rotary disk storing means Based on a non-reverse reproduction command of an optical disc accommodated in any desired holder part other than the two holder parts of the parts, the rotating means is controlled to rotate the desired holder part to a predetermined reference position, and the exchanging means is replaced. Non-reverse reproduction control for controlling and taking out the optical disk from the desired holder and setting it in the reproducing means, and controlling the reproducing means to reproduce the optical disk, and the above-mentioned transfer of the rotary type disk storing means. Based on the reverse reproduction command of the optical disc housed in any desired holder part other than the two holder parts of the original side holder part and the destination side holder part, the rotation means is controlled to set the desired holder part as a predetermined reference. After rotating to the position and controlling the exchanging means to take out the optical disk from the desired holder part, in this state controlling the rotating means to rotate the movement source side holder part to a predetermined reference position, the exchanging means is replaced. The optical disc taken out under control is stored in the source side holder part, then the moving means is controlled, the optical disc of the source side holder part is moved to the destination side holder part, and the rotating means is controlled. The destination side holder part is rotated to a predetermined reference position, and then the exchanging means is controlled to take out the optical disk from the destination side holder part and set in the reproducing means, and the reproducing means is controlled. Changer type optical disk reproducing apparatus, characterized in that it and a reproduction control means for inverting regeneration control causes the playback of the optical disc. 2. At least the certain two holder portions are configured to hold an optical disc in a groove, and the moving means has one holder portion of the two certain holder portions formed and a rotary disc storage. An arm of which the outer periphery of the means is rotatable in the up-down direction, a rotating means for rotating the arm, and a groove of the holder part formed in the arm among the two holder parts of the other holder part of the other holder part. The changer type optical disc reproducing apparatus according to claim 1, further comprising a guide portion for guiding the movement of the optical disc to the groove. 3. A rotatable rotary disc storage means in which a plurality of holder portions for holding an optical disc are arranged in a radial pattern, and the rotary disc storage means is rotated to set one desired holder portion as a predetermined reference. Among the rotating means for matching the position, the reproducing means for reproducing the optical disk, and the rotary type disc storing means, the optical disk is taken out from one holder portion at a predetermined reference position and set in the reproducing means, or the reproducing means. In a changer type optical disc reproducing device including: an optical disc exchanging means for accommodating the optical disc set in (1) in one holder part at a reference position, two holder parts of rotary type disc accommodating means are provided,
The optical discs are arranged on opposite sides of each other when viewed from the center of the rotary disc accommodating means, and the optical discs are accommodated in a holder portion other than the certain two holder portions. , One as the source side holder part and the other as the destination side holder part, the former optical disc held in the source side holder part is passed through the center of the rotary type disc storing means without changing the direction of the latter. Based on the moving means for moving to the destination holder part, the non-reverse reproduction control for controlling the reproducing means to reproduce the optical disk based on the non-reverse reproducing command of the optical disk already set in the reproducing means, and already set in the reproducing means Based on the reverse reproduction command of the optical disc, the rotating means is controlled to rotate the movement source side holder part to a predetermined reference position, and then the exchanging means is controlled to be set in the reproducing means. The disc is stored in the movement source side holder part, and then the movement means is controlled to move the optical disc of the movement source side holder part to the movement destination side holder part and the rotation means is controlled to set the movement destination side holder part to a predetermined position. After that, the optical disc is rotated to the reference position, and then the exchanging device is controlled to take out the optical disc from the destination holder part and set in the reproducing device, and the reproducing device is controlled so that the optical disc is reproduced. A changer type optical disk reproducing apparatus comprising: a control unit. 4. At least the certain two holder portions hold an optical disc in a groove, and the moving means forms one of the holder portions of the certain two holder portions and the rotary disc storage An arm of which the outer periphery of the means is rotatable in the up-down direction, a rotating means for rotating the arm, and a groove of the holder part formed in the arm among the two holder parts of the other holder part of the other holder part. 4. The changer type optical disc reproducing apparatus according to claim 3, further comprising a guide portion for guiding the movement of the optical disc to the groove.