JP3394945B2 - Disc player - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc player for storing a plurality of discs and selecting a desired disc from the stored discs for reproduction.

[0002]

2. Description of the Related Art A front loading disc player has an insertion opening formed in a front panel portion of a player housing, and an information recording disc (hereinafter
A disc) is supplied and brought to the playing position, so that an object can be placed on the upper surface of the player. Various types of front-loading disc players have been developed. For example, as disclosed in Japanese Patent Laid-Open No. 61-80554, an elongated slot is formed in the front panel portion so that a disc can be inserted as an insertion port. Then, there is a slot-in system in which a disk inserted through this slot is conveyed in a direction parallel to the main surface of the disk and a direction perpendicular to the main surface and is mounted on a turntable. Also,
As disclosed in Japanese Patent Laid-Open No. 62-291748, there is a carrier which can be housed in a projecting manner through a rectangular opening formed in a front panel part, and a disc is carried on the carrier which is projected outside the player housing. There is a carrier projecting and accommodating system in which the disk is mounted on the turntable by moving the carrier in two directions, that is, the horizontal direction and the vertical direction after the pressing. Further, as disclosed in Japanese Patent Laid-Open No. 64-52250, a magazine containing a plurality of discs arranged therein is detachably inserted and mounted in a mounting portion in a player housing through an insertion opening of a front panel portion, A disc ejecting / conveying mechanism for sequentially selecting arbitrary discs in the magazine and moving the discs in two directions, that is, a direction parallel to the main surface of the discs and a direction perpendicular to the discs, is provided. There are also a plurality of disc storage players that can play one disc continuously.

[0003]

As described above, in the conventional front loading disc player, the disc having a large area is moved to mount the desired disc on the turntable. Therefore, it is necessary to provide a large space inside the player housing, which makes it difficult to downsize the player. By the way, recently, it is desired to develop a front loading disc player that can be mounted near the driver's seat of an automobile. However, since the space occupied by the player in the vicinity of the driver's seat is extremely small, it is difficult to meet this demand by following the above configuration. The present invention has been made in view of the above points, and an object thereof is to provide an extremely small-sized disc player.

[0004]

According to a first aspect of the present invention, there is provided a disc player for storing a plurality of discs arranged in an array and selecting a desired disc from the stored discs for reproduction. A reading unit for reading information recorded on the disc; a first moving unit for moving the reading unit between a facing position and a non-facing position facing the recording surface of the disc; By moving the disc during playback,
Second moving means for providing a space in which the reading means can move on the recording surface side of the designated disc, and the back surface side of the recording surface of the designated disc by moving the disc during reproduction of the designated disc. A third method of increasing the distance between the adjacent disc and the designated disc as compared with the distance between the non-reproduction target discs adjacent to each other.
And a moving means of the above.

According to such a construction, when the disc is reproduced, not only the space for moving the reading means but also the other side is provided with a space between the disc and the adjacent disc. Even if the error occurs, the distance from the other disc can be secured, so that stable reproduction is possible.

According to a fourth aspect of the present invention, there is provided a disc player for storing a plurality of discs arranged in an array, selecting a desired disc from the stored discs and reproducing the disc. A reading means for reading information stored therein, a moving means for moving the reading means between a facing position and a non-facing position facing the recording surface of the disc, and both sides of the designated disc when playing the designated designated disc. The disk space securing means for widening the space between adjacent disks.

According to this structure, when the disc is reproduced, the gap between the disc to be reproduced and the adjacent disc is secured on both sides of the disc to be reproduced. Since it is possible to secure an interval between and, stable reproduction is possible.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION A multi-disk storage player as an embodiment of the present invention will be described below with reference to the accompanying drawings. The plural disc storage player has, for example, a player housing 2 as a main part, which is detachably inserted and mounted into a holding space for holding the plural disc storage player through an insertion port formed in a dashboard (not shown) of an automobile. The front portion of the player housing, that is, the front panel portion is exposed outside the holding space.

As shown in FIG. 1, a front panel 3 forming the front surface of the player housing 2 has a rectangular insertion for inserting and mounting a magazine 5 as an example of a disc storage section into a mounting section in the player housing. A mouth 3a is formed. The insertion port 3a extends in the left-right direction. The arrow X direction is the left side and the arrow Y direction is the front side. The arrow Z indicates upward. Although not shown, the front panel 3 is provided with an operation unit for operating the player for storing a plurality of discs and a display unit for displaying the operating state of the player.

As shown in FIGS. 1 to 5, the magazine 5
Is a rectangular parallelepiped housing which is composed of an upper half body 6 and a lower half body 7 which are separable from each other and which is flat as a whole, and is housed in an array in the housing so that a disk 9 can be carried on each main surface 2 It has trays A11 and trays B12 of substantially rectangular plate type. The lower half body 7 is simply formed in a substantially rectangular plate shape so as to form only the bottom surface portion of the housing, and the upper half body 6 is an edge portion of the rectangular plate shape main portion so as to form the upper surface portion and the side surface portion of the housing. Is formed by integrally connecting hanging parts extending downward.

Three trays A11 and tray B12
Are provided, and these are alternately arranged. The tray A11 and the tray B12 have circular holes 11a and 12a at one corner thereof, and as shown in FIG. 2, a columnar member 14 protruding from the inner wall surface of the corner of the lower half body 7 is provided.
The circular holes are smoothly fitted to each other. Therefore, FIG.
As is apparent from the above, the trays can rotate around the cylindrical member 14, so that the trays can be housed so as to project from the housing including the upper half body 6 and the lower half body 7. As is particularly clear from FIGS. 6 (a) to 6 (c) and FIGS. 7 (a) to 7 (c), the two kinds of trays A11 and B12 have substantially the same shape except for the following points.

That is, the positions of the claw portions 11b and 12b on which the operator applies his / her finger when pulling out each tray out of the magazine 5 are different, and these claw portions are relatively in a plane parallel to the main surface of each tray. They are arranged in a staggered manner. Due to this configuration, the claw portion 11 of one tray, for example, the tray A11
When the fingertip is applied to b, the claw portion 12b of the other tray B12 adjacent to the tray A does not interfere with the fingertip, and the tray can be easily taken in and out of the magazine 5.

Further, the ends of both trays A11 and B12, in this case, along the disk carrying surface of each tray, on a virtual straight line passing through the center of the disk carrying surface, that is, each tray formed in the shape of a rectangular plate. On or near the diagonal line connecting the two diagonals of the two holding portions 11c and 11d for holding a plurality of tray holding arms, which are constituent members of the separating and positioning means described later, respectively. 12c and 12d are formed. Figure 6 (a) and
As is clear from (b) and FIGS. 7 (a) and (b), one of the two held portions 1 formed on each tray is the held portion 1.
1c and 12c consist of grooves formed in the end surface of the tray. Further, as shown in FIGS. 6 (a) and 6 (c) and FIGS. 7 (a) and 7 (c), the other held portions 11d and 12d are slightly dug into both main surfaces of the tray to form another portion. It is made thinner than that. Note that the held portions 11d and 12d may be formed to have the same thickness as the other portions without having to be thin. However, such a thin wall contributes to making the magazine 5 thinner.

As is apparent from the figure, the held portions 11c and 11d formed on the tray A11 and the held portion 12 formed on the other tray B12 adjacent to the tray A11.
c and 12d are arranged relatively offset from each other in a plane parallel to the main surface of the tray. That is, the held portions 11c and 11d, and 12c and 12d are not arranged in a straight line in the direction perpendicular to the main surface of each tray, but are displaced and dispersed along the main surface of the tray. . Due to this configuration, the space to be provided in the player housing 2 for swinging each tray holding arm described later for separating the trays is reduced in the direction perpendicular to the main surface of the tray, and the magazine is In this direction, the size of the player 5, that is, the thickness of the player 5, and the player as a whole can be easily reduced.

As shown in FIGS. 6 (a) to 7 (c), each tray A11 and tray B12 has a cutout portion 11f in the vicinity of each of the held portions 11c, 11d, 12c and 12d. , 11g, 12f and 12g are formed. As will be described later, these notches are for avoiding interference between each tray holding arm which is a constituent member of the separating / positioning means (described later) and the tray adjacent to the tray held.

As is clear from FIGS. 6 (a) to 7 (c), the main surface of each tray A11 and tray B12 is
Circular recess 11 for accommodating and positioning the disk 9
h and 12h and openings 11i and 12i through which a clamper described later can be inserted are provided. Further, as shown in FIGS. 4 and 5, at the end portion of the lower half body 7 forming a part of the housing of the magazine 5, the tray holding arm of the separating / positioning means (described later) is also provided as in the above trays. The held portions 7a and 7b held by () are formed as thin-walled portions that are thinner than other portions. It should be noted that these held portions 7a and 7b may be formed to have the same thickness as the other portions instead of being made thin.

As shown in FIG. 2, the lower half 7 of the magazine 5 is
The inner wall surface corner of 2 has the same shape as the cylindrical member 14 described above.
Book-shaped cylindrical members 16 and 17 are provided in a protruding manner. The trays A11 and B12 are also movable in the axial direction of the cylindrical member 14 that supports them in a rotatable manner,
The columnar member 14 not only functions as a shaft supporting member that pivotally supports each tray, but also functions as a guide member that guides the trays so that their positions are planarly aligned. The number of parts is reduced by one compared with the configuration in which two members that individually perform the respective operations by providing the single cylindrical member 14 and performing the two operations are provided.

As described above, the trays A11 and B12 are projected and stored in the magazine 5 by rotating around the cylindrical member 14.
The tray protruding / storing operation is not limited to the rotation as described above, and a configuration in which the tray is linearly reciprocated is conceivable. However, by adopting such a rotation configuration, the movement of the tray is always performed smoothly, The operability is good when the operator inserts or removes the tray into or from the magazine without loading or replacing the disc. Here, a lock mechanism for fixing the upper half body 6 and the lower half body 7 constituting the housing of the magazine 5 to each other will be described.

As shown in FIGS. 2 to 5, on the inner wall surface of the upper half body 6, a disk-shaped and annularly formed movable locking member 19 is rotatably attached along its main surface. . More specifically, as shown in FIGS. 2, 4 and 5, on the inner wall surface of the upper half body 6, a support member 20 having a substantially L-shaped cross section perpendicular to the center of the ring is provided on the upper end surface thereof. The movable locking member 19 is arranged so as to be slidably held by the lower side portion of the support member 20 and the upper half body 6 at the inner peripheral portion thereof. On the outer peripheral portion of the movable locking member 19, three protruding portions 19a to 19c are provided.
Semicircular notches 19d to 19f are formed at the tips of the respective protruding portions, and are formed on the outer peripheral surfaces of the tips of the three cylindrical members 14, 16 and 17 described above. The notches 19d to 19f can be smoothly fitted into the annular grooves 14a, 16a and 17a serving as the locked portions. FIG. 8 shows a perspective view of, for example, the cylindrical member 14 and the overhanging portion 19a that engages with it. The relationship between the other two columnar members 16 and 17 and the projecting portions 19b and 19c is also the same. That is, 3 fixed to the lower half 7
Annular grooves 14a of the columnar members 14, 16 and 17 of the book,
By fitting the cutout portions 19d to 19f of the movable locking member 19 provided in the upper half body 6 to 16a and 17a, the upper half body 6 and the lower half body 7 are fixed to each other, Further, the two halves can be separated by releasing the fitted state. In addition, each notch 19
The position of the movable locking member 19 with d to 19f fitted into the respective annular grooves 14a, 16a and 17a is referred to as the locking position, and the position of the movable locking member 19 from which this fitting is released is the non-locking position. Called.

As shown in FIG. 3, in the vicinity of the columnar member 17 on the lower half body 7, by engaging with one protruding portion 19c of the movable locking member 19, each protruding portion 19a is formed. To 19c, the notches 19d to 19f are cylindrical members 1
Movable locking member 19 in the direction (arrow G direction) in which the annular grooves 14a, 16a and 17a of 4, 16 and 17 are fitted.
An urging lever 21 for urging is provided swingably via a support pin 21a. Also, the support pin 21a
A spring member 22 that applies an urging force to the urging lever 21 is fitted in the. The biasing lever 21 and the spring member 22 constitute a biasing means that biases the movable locking member 19 toward the locking position. And
This urging means, the above-mentioned movable locking member 19, and three columnar members 1 as locked portions with which the movable locking member is engaged.
4, 16 and 17 constitute a lock mechanism for fixing the upper half body 6 and the lower half body 7 to each other.

By providing such a lock mechanism,
When the operator handles the magazine 5 for loading or exchanging the disc into or from the magazine 5, if the upper half body 6 and the lower half body 7 are fixed to each other by activating this locking mechanism, The lower half 7 and the trays accommodated therein are prevented from being separated accidentally. As described above, since the lock mechanism is configured to fix the upper half body 6 and the lower half body 7 at three points at the same time, the upper half body 6 and the lower half body 7 are accurately joined without distortion. Sent. Further, since the movable locking member 19 is formed in a substantially disc shape and rotates along the main surface thereof, the space to be provided in the magazine 5 for the operation of the movable locking member 19 becomes small and the magazine 5 In itself, it contributes to downsizing of the player as a whole. However, the shape and movement of the movable locking member 19 are not limited to such a configuration, and various other forms such as a swingable arm shape or a linear reciprocating lever shape may be used. It goes without saying that it is applicable.

Further, as described above, the three columnar members 14, 16 and 17 which support and guide the respective trays are provided,
Since the upper half body 6 and the lower half body 7 are also used as members for fixing each other in this way, the number of parts is suppressed to a small number. Next, description will be made of a performance means transporting mechanism for moving the performance means including the turntable, the pickup and the disk clamp mechanism and mounting the performance means on the disk to be played in the magazine 5 in which the performance means is mounted.

As shown in FIGS. 9 to 12, the magazine 5
Is inserted and mounted in a mounting portion in the player housing 2. The upper half body 6 and the lower half body 7, which constitute the magazine 5, and the end portions and the side end portions of the tray A11 and the tray B12 in the magazine insertion direction, respectively, are aligned in a straight line in the arrangement direction of the trays as a whole. As described above, two notches are formed so that the cutouts 6a, 6b, 7d, 11j, 11k,
12j and 12k are formed. It should be noted that the lower half body 7 does not show a notch at the end in the magazine insertion direction.

As shown in FIGS. 9 and 10, the player housing 2 is formed with these notches 2
Two guide shafts 24 so that they fit in the long groove of the strip
And 25 are arranged to extend in the vertical direction, and one guide shaft 25 is fixed to the player housing 2. These guide shafts 24 and 25 are separated from each other in the tray A as described later.
11 and the tray B12 and the lower half body 7 are slidably contacted and guided in the separating direction. As shown in a perspective view of one of the guide shafts 24 in FIG.
A collar 2 is provided near the upper ends of both guide shafts 24 and 25.
4a and 25a are formed, and the notches 6a and 6b of the upper half 6 forming the upper half of the housing of the magazine 5 are fitted to the upper end portions of the guide shafts 24 and 25, so that the upper half 6 is The upper half 6 is restrained from moving downward by being supported by the collar portions 24a and 25a. As described above, one guide shaft 25 is fixed to the player housing 2, while the other guide shaft 24 is fixed to the player housing 2.
With respect to the free end portion of the lever member 26 that is swingably provided via the support pin 26a, and
It is biased by the spring member 27 toward the magazine 5. Therefore, this guide shaft 24 is
With the insertion of the magazine 5 into the player housing 2, the lever member 26 is retracted by swinging clockwise in FIG. 9 while being pushed by the insertion of the magazine 5, so that the insertion of the magazine 5 is not blocked and the magazine 5 is not blocked. Upon completion of the insertion, the lever member 26 is returned by the biasing force of the spring member 27 so that the lever member 26 fits into each notch of the magazine 5.

Further, as shown in FIGS. 3 and 9, the disk-shaped movable locking member 19 which fixes the upper half 6 and the lower half 7 of the magazine 5 to each other has three protrusions thereof. Part 19
Another projecting part 19g is integrally formed in the vicinity of the projecting part 19a which is one of a to 19c, and as the magazine 5 is mounted in the player housing 2 as described above, The guide shaft 25 is 19g
It becomes a state of pressing. As a result, the movable locking member 19 is rotated counterclockwise in the figure, and the respective projecting portions 19a to 19c of the movable locking member 19 are locked by the three cylindrical members 14 and 16 and Leaving from 17,
The fixed state between the upper half body 6 and the lower half body 7 is released, and the two can be separated.

The performance means transport mechanism described below can be separated according to a performance command from the magazine 5 as described above.
While separating the upper half body 6 and the lower half body 7 into upper and lower parts,
After the tray carrying the disc to be played is separated from the other trays, the playing means including a turntable and the like is brought in and fitted to the disc. First, the separating / positioning means forming a part of the performance means transport mechanism will be described.

As shown in FIGS. 9, 11 and 12, two disk-shaped movable cam members 29 and 30 are provided in the player housing 2 so as to be located at the rear side and the right side of the mounted magazine 5, respectively. , The main surface of which is the upper half 6 and the lower half 7 and the trays should be separated in the vertical direction (arrow Z
Direction and the opposite direction), and is rotatably attached to the player housing 2. The outer peripheral surfaces of the cam members are worm wheels so that torque can be applied via the gears described below. As clearly shown in FIG. 14, the cam member 3
Six cam grooves 30a to 30f are formed on the main surface of 0. Further, the other cam member 29 is formed so as to have a completely symmetrical shape with this one cam member 30, and as is apparent from FIG. 12, six cam grooves similar to the respective grooves of the cam member 30. Is formed on its main surface. Since the cam members 29 and 30 are formed into a thin disk shape as described above, the occupied space is reduced, the space utilization efficiency in the player housing is improved, and the player can be easily downsized.

As shown in FIG. 9, a motor 32 is arranged in the inner part of the player housing 2 so as to be located between the two cam members 29 and 30. 12
As also shown in FIG.
The torque is applied by the gear 2 through the gears 32a, 33, 34 and 35 and the worm 36 to rotate the gears. As shown in FIG. 11, the other cam member 30 has a gear 32.
Torque from the motor 32 is transmitted through the a, 33, 37 and 38 and the worm 39 in order. Both cam members 2
9 and 30 are synchronously driven by the torque applying means at the same rotational speed.

As shown in FIGS. 9 and 11, between the one cam member 30 and the magazine 5, a plate-shaped bracket 41 extending in the vertical direction is arranged (however, in FIG. 11, the bracket 41 is a bracket). 41 is not shown), and the bracket 41 allows the tray holding arms 43 to 48 as the six tray holding members to vertically move at one end thereof via the support pins 43a to 48a, that is,
The lower half 7 of the magazine 5 and the trays are attached so as to be swingable in the direction in which they should be separated. As shown in FIG. 11, pivot pins 43b to 48b are provided at the other ends of the tray holding arms 43 to 48, respectively.
It is planted in parallel with 3a to 48a. Then, six slide pieces 61 to 6 slidably guided by seven guide shafts 51 to 57, which are provided in the vicinity of the respective pivot support pins so as to extend in the vertical direction, respectively.
6 is provided, and each pivot pin is pivotally attached to each of the slide pieces. Specifically, an oval groove extending in the horizontal direction is formed on the side surface of each slide piece 61 to 66, and each pivot pin is slidably engaged with this groove. Of the six slide pieces, the top five slide pieces 61 to 65 respectively hold thin-walled held portions 11d and 12d formed on the tray A11 and the tray B12 in the magazine 5, respectively. For the remaining one slide piece 66, the magazine 5
A held portion 7b formed as a thin portion is held by the lower half body 7.

Then, the above six tray holding arms 4
Sliding pins 43c to 48c as cam followers are planted in parallel with the supporting pins 43a to 48a and the pivot pins 43b to 48b at the central portions of the sliding pins 3 to 48, respectively, and the tip end portions of the sliding pins are provided. Are slidably engaged with the respective cam grooves 30a to 30f of the cam member 30 shown in FIG. That is, the rotation of the cam member 30 based on the rotation of the motor 32 causes the tray holding arms 4 to move.
3 to 48 are constructed so that they can be swung appropriately. The timing of swinging each tray holding arm will be described in detail in the section of the operation description below.

As shown in FIGS. 9 and 12, a flat plate-shaped bracket 71 is provided between the other cam member 29 and the magazine 5 so as to extend in the vertical direction. Tray holding arms 73 to 78 as tray holding members are attached at one end thereof via support pins 73a to 78a so as to be vertically vibrable. As shown in FIG. 12, pivot support pins 73b to 78b are provided at the other ends of the tray holding arms 73 to 78, respectively.
It is planted in parallel with a to 78a. And, of these 6 pivot pins, up to 5 pivot pins 73
b to 77b are smoothly engaged with the oval grooves which are the held portions 11c and 12c formed on the tray A11 and the tray B12. Also, the remaining one pivot pin 78b
A slide piece 81, which is slidable along a guide shaft 80 provided to extend in the vertical direction, is provided in the vicinity of, and the pivot pin is pivotally attached to the slide piece 81. Specifically, an oval groove extending in the horizontal direction is formed on the side surface of the slide piece 81, and the pivot pin 78b is slidably engaged with this groove.
The slide piece 81 is used for the lower half 7 of the magazine 5.
The held portion 7a formed as a thin portion is held.

Sliding pins 73c to 78c as cam followers are planted in the central portions of the six tray holding arms 73 to 78 in parallel with the support pins 73a to 78a and the pivot pins 73b to 78b. The tip of each sliding pin is slidably engaged with each of the six cam grooves formed on the main surface of the cam member 29. That is, the cam member 29 based on the rotation of the motor 32
The rotation of the tray holding arms 73 to 78 causes the tray holding arms 73 to 78 to swing in synchronization with the other tray holding arms 43 to 48 described above.

As shown in FIGS. 9 and 12, the cam member 29
An address plate 83 formed in an arc shape is fixed to the surface opposite to the cam surface concentrically with the cam member. The address plate 83 is formed with six slits 83a with a rotation angle of 30 ° of the cam member 29 as one pitch. A photo sensor 84 for detecting this slit is provided, and is fixed to the player housing 2 via a bracket 85. The address plate 83 and the photo sensor 84 are for detecting the rotational angular positions of the cam members 29 and 30, that is, the swing positions of the tray holding arms 43 to 48 and 73 to 78. The motor 32 described above
And gears 32a, 33, 34, 35, 37 and 38,
The worms 36 and 39 form a driving force applying unit that applies a driving force to the cam members 29 and 30. Then, the driving force applying means and both cam members 2
9 and 30, each tray holding arm 43 to 48
Further, a holding arm drive means for swinging 73 to 78, that is, a holding member drive means is constituted. Also,
The holding arm drive means and the tray holding arms separate the upper half 6 and the lower half 7 of the magazine 5 and select a tray carrying a desired disk from the trays contained therein. A separating / positioning unit that separates and positions this from another tray in a direction perpendicular to the main surface of the tray is configured. The separating / positioning means is also referred to as a disk holding means. That is, the disc to be played is separated from other trays by the separating and positioning means together with the tray carrying the disc and is positioned and held at a predetermined position. The disc at this position is turned as described later. The playing means including the table is mounted in close proximity to start playing.

Now, the above-mentioned separation and positioning means will be described in more detail. First, as described above, the separating / positioning means has two sets of tray holding arms of six each driven by the two cam members 29 and 30, and each tray of the magazine 5 is driven by the both tray holding arms. A held portion 1 formed on an end of a virtual straight line passing through the center of the disc-carrying surface along the disc-carrying surface or in the vicinity thereof
1c, 11d, 12c and 12d are retained. In other words, each tray formed in the shape of a rectangular plate is held by the tray holding arm group on or near the diagonal line connecting the two diagonal corners. On the other hand, the magazine 5 and the player housing 2 surrounding the magazine 5 are both formed in a rectangular parallelepiped shape. In the configuration in which the rectangular parallelepiped magazine 5 is surrounded by the rectangular parallelepiped player housing 2 as described above, as described above, two sets of trays are held near the diagonals of the trays, and thus the two diagonals of the entire magazine 5. By arranging the arm groups separately, a relatively large space can be obtained in a portion located in the middle of both tray holding arm groups, that is, in the inner corner of the player housing 2. Therefore,
In the space, the cam members 29 and 30 and the motor 3 described above are provided.
It is possible to efficiently dispose the holding arm drive means composed of two or the like.

Further, as described above, two sets of tray holding arms each consisting of six tray holding arms are provided, and these tray holding arm groups hold each tray at two positions in the vicinity of its diagonal line. However, since the trays are guided by the two guide shafts 24 and 25 without being displaced from each other as described above, the trays are separated from each other at two positions. It is not necessary to hold the tray at any one of the two tray holding arm groups, for example, the tray holding arms 43 to 48, so that only one position of each tray is held to give a moving force. It is also possible to do so. Therefore, with respect to the remaining group of tray holding arms, that is, the tray holding arms 73 to 78, the trays are held in parallel in cooperation with the group of holding arms of this one set, and the trays are moved in parallel so as not to be tilted. It will act as a tray tilt regulation means. In addition,
The tray holding arms 43 to 48 are referred to as a first tray holding member, while the tray holding arms 73 to 78 of the other set are referred to as a second tray holding member.

By providing the tray tilt restricting means, the tray can be always moved in parallel without being tilted. Therefore, the disk on the tray is not displaced due to the tilt of the tray, and the performance of the playing means including a turntable to be described later is prevented. The mounting on the disc is always reliable and smooth. As the driving force applying means for applying the driving force to the tray holding arms 73 to 78 as the tray tilt restricting means, the driving force applying means to the tray holding arms 43 to 48 exclusively controlling the separating operation of the trays is used. Since the motor 32 for giving the driving force is also used, it is not necessary to provide a special driving force giving means exclusively for the tray tilt regulating means, and the reduction of the driving source is achieved.

The structure of each tray holding arm group will be described in more detail. As shown in FIGS. 9 and 11, six tray holding arms 43 to 48, which are one tray holding arm group disposed behind the magazine 5, are provided.
Are arranged so as to oscillate along two virtual planes which are different from each other. That is, the six tray holding arms are alternately formed into two small sets, in this case, the tray holding arms 43, 45 and 47 are formed into one small set, and the remaining three tray holding arms 44, 46 and 48 are formed into another small set. Separately, the virtual planes to be moved along by the tray holding arm groups of both the small sets are displaced from each other in the horizontal plane. Due to such a configuration, if these two virtual surfaces are made to overlap each other in the horizontal direction as shown in the drawing, all the tray holding arms 43 to 48 can be shared by a common one.
Compared with the configuration that can be moved along one virtual plane, the projected area of the virtual plane required for moving each tray is halved,
This makes it easier to reduce the size of the player as a whole.

As shown in FIG. 9, the tray holding arms 43, 45 and 47 as one small set and the tray holding arm 44, which is the other small set, are arranged so as to be offset from each other in the horizontal plane as described above. A partition member 88 is interposed between 46 and 48 to separate the two sets. The partition member 88 accurately guides the tray holding arm groups of both the small sets, prevents the tray holding arm groups of the other set from interfering with each other due to distortion or the like, and operates smoothly.

On the other hand, as is clear from FIGS. 9 and 12,
Regarding the six tray holding arms 73 to 78 arranged at the rear of the magazine 5, the tray holding arm 4 described above is also used.
Like 3 to 48, they are divided into two sub-sets alternately,
These two small sets are arranged so as to be offset from each other in the horizontal plane, and a partition member 89 is provided between them. As described above, the tray holding arms 43 to 48 and 73 to 78 are respectively oscillated, but the movement of each tray holding arm is not limited to the oscillating motion as described above, and may be, for example, a parallel movement. There are various other possibilities. However, because of this swinging configuration,
The operation of each tray holding arm is always performed reliably and smoothly.

Next, a mechanism which constitutes the above-mentioned performance means transport mechanism together with the above-mentioned separating / positioning means will be described. As shown in FIG. 2, FIG. 9, FIG. 15 and FIG. 16, a cylindrical support shaft 95 is arranged in the player housing 2 so as to be positioned on the left side of the mounted magazine 5 in the vertical direction, that is, in each of the above-mentioned cases. The tray is arranged so as to extend in the direction to be separated, and the player housing 2
Is fixed at its lower end. A male screw 96 having a cylindrical shape is rotatably fitted on the support shaft 95. A vertically movable carrier member 98 formed in a flat plate shape is fitted to the upper end portion of the male screw 96 at one end portion thereof. The movable carrying member 98 extends in the horizontal direction. That is, the movable carrying member 98 is swingable about the support shaft 95 in the direction perpendicular to the separating direction of each tray described above, and is also movable along the support shaft 95. The movable carrying member 98 swings between an insertion position where it can be inserted between the separated trays and a non-insertion position where it is separated from the trays. The swinging position of the movable supporting member 98 shown by the two-dot chain line in FIG. 2 and the solid line in FIG. 9 is the insertion position, and the swing position shown by the solid line in FIG. 2 and the two-dot chain line in FIG. Is the non-insertion position. It should be noted that this insertion position is also referred to as a facing position with respect to the disc because the movable carrying member can face the recording surface of the disc 9 on the tray when the movable carrying member 98 is at this position. The non-insertion position is also called a non-opposing position. In addition, the movable supporting member 98 is shown in FIG.
5, it is possible to move along the support shaft 95 between the low position indicated by the solid line and the high position indicated by the chain double-dashed line.

A turntable 100 is provided near the swinging end of the movable carrying member 98. A guide shaft 101 and a worm 102 are arranged on the movable carrying member 98 in parallel with each other along the longitudinal direction of the movable carrying member, and one end portion 103 of the carriage 103.
b is screwed into the worm 102 and is slidably supported by the guide shaft 101 at the other end.
However, in FIG. 2, the guide shaft 101 and the worm 10 are shown.
2 is not shown.

The carriage 103 has an objective lens 105.
It contains an optical pickup including (as shown in FIG. 9). This optical pickup is the same as a known one, so it will not be described in detail, but it includes a servo mechanism for servo-driving the objective lens 105 in the focusing direction and the tracking direction, and the laser beam emitted from the laser light irradiation device is recorded on the disc. The recording information is read by irradiating the recording surface and changing the reflected light. In addition,
As shown in FIG. 9, the movable carrying member 98 includes an objective lens 10
A substantially rectangular opening 98a is formed for the disk 5 to access the recording surface of the disk 9. In addition, FIG.
16, the guide shaft 101 for guiding the carriage 103 is arranged in another elongated opening portion 98b formed in the movable carrying member 98, and the opening portion is utilized as an installation space for the guide shaft 101. There is. Therefore, the space to be occupied by the guide shaft 101 is reduced, which contributes to downsizing of the player.

As shown in FIG. 9 and FIG. 16, the worm 102 is composed of a plurality of pulleys and two belts wound around the pulleys by a motor 108 arranged on the base end side of the movable carrying member 98. It is rotated by being given a torque via the power transmission mechanism 109. Further, as shown in FIG. 9, the carriage 103 is engaged with the operating element 111a of the swingable end of the movable carrying member 98 so that the carriage 103 is actuated so that the carriage 103 moves closest to the turntable 100. A detection switch 111 for detecting that the limit position has been reached is provided. Further, as shown in FIG. 9, a photo sensor 112 is provided on the movable carrying member 98 in the vicinity of the detection switch 111. Then, as shown in FIGS. 9 and 12, when the movable carrying member 98 is in the non-insertion position, the five slits 113 a that can be detected by the photosensor 112.
An address plate 113 formed by arranging in the vertical direction is attached to the left inner wall surface of the player housing 2.

The above guide shaft 101, worm 102, motor 108, power transmission mechanism 109,
The detection switch 111 constitutes a pickup guide drive unit that guides and moves the carriage 103 having the pickup so as to move closer to and away from the turntable 100. 2 and 16
, The clamper arm 115 is arranged along the lower surface of the movable carrying member 98, and the movable carrying member 9
A support pin 116 is swingably attached at one end thereof to a hanging portion 98d formed so as to extend downward near the base end portion of 8. The clamper arm 115 swings in a plane including the vertical direction. At the swinging end of the clamper arm 115, the disc 9 to be played is
A pressing member 117, that is, a clamper for pressing the disk toward the disk carrying surface of the turntable 100 is rotatably attached via a spherical bearing 118 (shown in FIG. 16) or the like.

The clamper arm 115, the pressing member 118, and the peripheral small members related thereto constitute a disc clamping mechanism for clamping the disc 9 on the disc carrying surface of the turntable 100. Also, this disc clamp mechanism and the turntable 10
0, an optical pickup including the carriage 103,
The pickup guide driving means including the guide shaft 101, the worm 102, the motor 108, and the like are collectively referred to as playing means. That is, the movable carrying member 98 carries and swings the playing means.

Next, a carrying member driving means for causing the movable carrying member 98 to swing and move along the support shaft 95 which is a swing support shaft will be described. FIG. 15 shows an XV-XV arrow view of FIG. 9 including a partial cross section thereof. As shown in FIGS. 9 and 15, the front side of the support shaft 95 that pivotally supports the movable carrying member 98 and Motors 121 and 122 are arranged at the rear, respectively. A motor 121 provided on the rear side of the support shaft 95 is for moving the movable carrying member 98 along the support shaft 95, and a motor 122 provided on the front side is a motor for swinging the movable carrying member 98. Is. As will be described later, the motor 122 also applies a driving force to the disc clamp mechanism described above. As is apparent from FIG. 15, a cylindrical female screw 123 is screwed onto a male screw 96 that rotatably and slidably fits on the support shaft 95 and carries the movable carrying member 98. A gear 123a is integrally formed on the lower end of the female screw 123, and the gears 124 and 125a, the worm wheel 125b, the worm 126, and the gears 127 and 12 are formed.
The torque from the motor 121 is transmitted to the gear 123 a and the female screw 123 via the gears 8 sequentially.

On the other hand, a cylindrical member 130 is rotatably fitted on the female screw 123, and a cylindrical pin 130a is provided on the upper end of the cylindrical member so as to project from the movable carrying member 98. The pin 1 is inserted into the formed circular opening 98f.
30a is inserted with a predetermined gap. A gear 130b is integrally formed at the lower end of the cylindrical member 130, and includes a gear 132, a face gear 133, and a worm 13.
4, worm wheel 135a, gear 135b, gear 1
The torque from the motor 122 is transmitted to the gear 130b and the cylindrical member 130 by sequentially disengaging 36 and 137. The gears 136 and 137 are not integral with each other but are concentrically supported by a shaft 139. As shown in FIG. 17, the gears 136 and 137 are formed in an arcuate groove 136a formed on the lower main surface of the upper gear 136. On the contrary, the lower gear 13
A pin 137a projecting from the upper main surface of No. 7 is slidably fitted. Further, as shown in FIG. 9, the support shaft 95 that pivotally supports the movable carrying member 98 is directed toward the above-mentioned non-insertion position with respect to the movable carrying member, that is, the position shown by the chain double-dashed line in FIG. The spring member 140 as a biasing force applying means for applying the biasing force is fitted.

The above-mentioned motors 121 and 122, gears 123a, 124 and 125a, and the worm wheel 1
25b, worm 126, gears 127 and 128
The pin 130a, the gears 130b and 132, the face gear 133, the worm 134, the worm wheel 135a, the gears 135b, 136 and 137, and the pin 137a, the internal thread 123 and the cylindrical member 130, respectively. A torque applying unit that selectively applies a torque to is configured. Further, the movable carrier member 98 is fixed to the support shaft 9 by the torque applying means, the female screw 123, the cylindrical member 130, and the male screw 96 described above.
A carrying member driving means for swinging around 5 and moving along the support shaft 95 is configured. Further, this carrying member driving means and the movable carrying member 98
A support shaft 95, the above-mentioned separation positioning means,
Spring member 14 for applying a biasing force to the movable carrying member 98
0 constitutes a performance means transport mechanism that moves the above-mentioned performance means including the turntable 100 and mounts it on the disk to be played.

As described above, the movable carrying member 98 has a form of rocking, but the movement of the movable carrying member 98 is not limited to such a rocking motion, but may be parallel movement, for example.
Various other types are possible. However, by adopting such a swing structure, the operation of the movable supporting member 98 is always reliably and smoothly performed. Further, as described above, the movable supporting member 98 is swingably attached to the support shaft 95 so as to swing between the insertion position where the movable carrier member 98 is inserted between the trays of the magazine 5 and the non-insertion position, and is separated from other trays. Since the movable carrying member 98 is movable in the axial direction of the support shaft 95 so as to bring the playing means to the position corresponding to the tray, the downsizing of the player as a whole is achieved. What is needed is, as another structure for making the movable carrying member 98 movable in two different directions, for example, the movable carrying member 98 is supported by the support shaft 9.
It is conceivable that the support shaft 95 is mounted on the movable member 5 so that it can swing only, a predetermined moving member that is movable in the separating direction of the tray is provided, and the support shaft 95 is mounted on this moving member. However, in such a virtual configuration, the moving member and a guide mechanism for movably guiding the moving member in the tray separation direction are required as compared with the configuration on the implementation side, and the player as a whole increases in number as the number of parts increases. This leads to a larger size.

By the way, as is apparent from FIG. 9, the support shaft 95 serving as the swing center of the movable supporting member 98 described above.
Is arranged at a holding position of each tray by the tray holding arms 73 to 78, which is a disc holding means, that is, in front of the held portions 11c and 12c of each tray, compared to these held portions. The magazine 5 formed in the player housing 2 is set at a position close to the insertion slot 3a for loading. By providing the swing center of the movable carrying member 98 at such a position, a relatively large space is formed in the central portion and the inner portion of the player housing 2, and the above-mentioned carrying member driving means for operating the movable carrying member 98 and This space can be used as a space occupied by another mechanism, and the degree of freedom in selecting the setting position of the mechanism inside the player is increased.

Now, a structure for activating the above-mentioned disc clamp mechanism by the power generated by the motor 122 for swinging the movable carrying member 98 will be described. As shown in FIGS. 9, 16 and 17, the movable carrying member 98
An intermediate lever 142 is swingably attached to the lower surface of the base end portion of the device by a screw 142a (shown in FIG. 16) in the central portion in the horizontal plane. And the motor 12
The cam portion 136b is provided on the upper surface of the gear 136, which is a component of the power transmission mechanism that transmits the power from the motor 2 to the movable supporting member 98.
Are integrally formed with each other, and a cam surface of the cam portion can be slidably contacted with a hanging portion 142b (reference numeral is shown only in FIG. 16) formed at one swing end portion of the intermediate lever 142.
As shown in FIG. 16, a hanging part 142b is also formed at the other end of the swing of the intermediate lever 142.
The projection 142c that is provided on the disk is brought into contact with the hanging portion 115a formed on the clamper arm 115 that is a component of the disk clamp mechanism. That is, the gear 1
The cam portion 136b integral with the motor 36 is rotated by the power applied from the motor 122, and the cam surface of the cam portion abuts against one hanging portion of the intermediate lever 142 and presses it to press the intermediate lever 142. Oscillates around a screw 142a pivotally supporting it, and a protrusion 142c formed at the other oscillating end of the intermediate lever 142 has a protrusion 142c.
The disk is clamped by pushing the hanging part 115a of the fifteen.

FIG. 18 shows the structure of the control unit for controlling the operation of each internal mechanism of the multiple disk storage player having the above-mentioned structure. The CPU 150 follows the control programs stored in advance in the ROM 151 and the photosensors 84, 11 are shown.
2 and R in response to each signal from the keyboard 152 including the detection switch 111 and a switch group (not shown).
It cooperates with the AM 153 to issue commands to the motors 32, 108, 121 and 122, the turntable 100 and the pickup 155.

An example of the above control program is shown in the flow charts of FIGS. 19 to 21 and FIGS.
This will be described with reference to the operation explanatory diagram of No. 7. First, when a keyboard 152 shown in FIG. 18 is operated by an operator to issue a performance command for causing a desired disc to be played, and a music piece is designated, the plural disc storage player is operated by the player shown in FIGS. It operates according to the flowchart shown in.

As shown in FIG. 19, a performance command is issued,
When the music piece is designated (step S1), the control section first confirms that the magazine 5 is mounted in the player housing 2 by a detection signal generated by a magazine detecting means (not shown) (step S2). . If the magazine 5 is mounted, the internal mechanisms are operated by executing the first loading subroutine (step S3) shown in FIGS. 19 and 20. Note that the magazine 5 is only inserted and mounted in the player housing 2 when the first loading subroutine is executed,
The lower half 7 and the upper half 6 of the magazine 5 are not yet separated.

It should be noted that when the magazine 5 is inserted and mounted in the player housing 2 by the operator, one of the movable locking members 19 that secure the upper half 6 and the lower half 7 of the magazine 5 to each other is stretched. The guide shaft 25 shown in FIG. 9 pushes the projecting portion 19g with the reaction force of the mounting force. As a result, the movable locking member 19 is rotated in the counterclockwise direction in FIGS. 2 and 9, and each of the projecting portions 19a to 19c of the movable locking member 19 has the three columnar members 14 to which it is locked, Removed from 16 and 17, upper half 6
The fixed state between the lower half body 7 and the lower half body 7 is released, and the two can be separated. Also, in this state, the turntable 100
The movable carrying member 98 on which the playing means including the above is mounted is in the non-insertion position shown by the chain double-dashed line in FIG.

The magazine 5 is attached to the player housing 2
Each tray holding arm 43 to 4 when mounted inside
8 and 73 to 78, each tray and lower half 7
The held portions of are held respectively. As shown in FIG. 20, when the above command is issued, the control unit first causes the motor 32 to rotate normally (step S4) to move the two cam members 29.
And 30 are normally rotated by an angle θ, for example, 30 °, and the tray holding arms 43 to 48 and 73 to 78 are swung from the state shown in FIGS. 11 and 12 to the state shown in FIG. As a result, the lower half 7 of the magazine 5 is moved downward and separated from the upper half 6. Also,
As shown in FIG. 22, at the same time when the lower half body 7 and the upper half body 6 are separated, the lowermost tray A11 of the five trays accommodated in the magazine 5 is separated from the other trays and turned. It is brought to a position corresponding to the playing means including the table 100.

Of the five trays arranged, the disc containing the designated music is the third tray A1 from the bottom.
23, the motor 32 is further rotated in the normal direction (step S5), the cam members 29 and 30 are synchronously further rotated by 60 ° in the normal direction, and the state shown in FIG.
24, the tray A11 carrying the desired disc is separated from the other trays. Further, with the tray separating operation, the motor 121 is rotated in the normal direction (step S5), and the movable carrying member 98 carrying the playing means is moved upward from the lowermost position by a distance corresponding to the thickness of two trays. The tray 11 is moved and positioned at a position corresponding to the tray 11 separated from the other trays.
The rotation angles of the cam members 29 and 30 and the rising distance of the movable carrying member 98 are detected by the two photo sensors 84 and 112 described above.
And 113, the number of slits 83a, 113a respectively,
The control unit counts with the counter provided and detects based on this count value. The above operation is performed while comparing the address of the tray currently located corresponding to the playing means, that is, the address of the current disk with the address of the search disk which is the disk being searched.

When the address of the current disc matches the address of the search disc (step S6), the motor 32
Also, the motor 121 is stopped (step S7). Next, the motor 122 is rotated in the normal direction (step S8), and the movable carrying member 98 having the playing means mounted on its free end is moved from the non-insertion position shown by the two-dot chain line in FIG. 9 to the insertion position shown by the solid line. The turntable 100 is rocked and the disc clamp mechanism is operated to attach the turntable 100 to the disc to be played. This operation will be described in more detail.

As described above, the output of the motor 122 for swinging the movable carrying member 98 is the gear 132, the face gear 133, the worm 134, and the worm wheel 13.
5a, gears 135b and 136, pin 137a, gear 1
37 and 130b, cylindrical member 130 and pin 130
It is given to the movable supporting member 98 via a in order. Before the motor 122 starts normal rotation, the arcuate groove 136a formed on the lower main surface of the gear 136 and the pin 137a planted on the upper main surface of the gear 137 so as to be slidably fitted in the groove. The positional relationship shown in FIG. When the motor 122 starts forward rotation in this state, the movable carrying member 98 is attached to the insertion position (the swing position shown by the solid line in FIG. 9) by the spring member 140 attached to the support shaft 95 pivotally supporting the movable carrying member 98. Since it is biased, it is swung by the biasing force of the spring member 140. Therefore, the above two gears 13
6 and 137 rotate synchronously while maintaining the relative positional relationship between the arcuate groove 136a and the pin 137a provided therein in the state shown in FIG. That is, the spring member 140
The swing of the movable supporting member 98 due to the urging force of the
By the rotation of 2, the state is performed while being allowed. Thus, when the movable carrying member 98 swings to the insertion position shown by the solid line in FIG. 9, the edge of the movable carrying member 98 contacts the cylindrical stopper 158, as shown in FIG.
The movable carrying member 98 is positioned at the insertion position. If the above-described two gears 136 and 137 are formed integrally with each other, when this state is reached, the power transmission system including both gears is prevented from further operation. However,
As mentioned above, both gears 136 and 137 have pins 137.
It is relatively rotatable within a range in which a slides in the arcuate groove 136a.

The motor 122 includes the movable supporting member 98 described above.
After the positioning of the gear, it continues to rotate in the forward direction.
6 is rotated with respect to the other fixed gear 137. As described above, since the cam portion 136b is integrally formed on the upper main surface of the gear 136, the gear 136
27, the cam portion 136b is rotated as shown in FIG.
Slides on the intermediate lever 142 and swings it. As a result, the hanging portion 115a of the clamper arm 115 shown in FIG. 16 is pushed by the protrusion 142c of the intermediate lever 142, and the clamper arm swings from the non-clamping position shown by the chain double-dashed line to the clamping position shown by the solid line (arrow H). direction)
Then, the pressing member 117, that is, the clamper pushes up the disc 9 to separate it from the tray, and the turntable 100
Clamp against. The rotation of the cam portion 136b is performed after the movable supporting member 98 reaches the above insertion position, which prevents the maximum diameter portion of the cam portion 136b and the intermediate lever 142 from interfering with each other. ing. In addition, this clamp operation is performed by the turntable 100.
If it is done while rotating, the number of clamping errors will be reduced.

After the above operation, a certain period of time is waited (shown in step S9 in FIG. 20), whereby the control section assumes that the swinging of the movable supporting member 98 and the operation of the disc clamp mechanism are completed. The motor 122 is stopped (step S10). After that, the servo driving means (not shown) of the objective lens 105 included in the pickup is activated, and the motor 108 is rotated in the normal direction (step S11) to start the movement of the carriage 103 having the pickup therein to perform the performance. Start.

When it is confirmed that the performance of the first disc is completed (step S12), the control unit stops the forward rotation of the carriage driving motor 108 and the pickup operation, and immediately reverses the motor 108. (Step S13). Due to the reverse rotation of the motor 108, the carriage 103 having the pickup mounted thereon has the turntable 10 mounted on the swing end of the movable carrying member 98.
It is the closest to 0. When the carriage 103 comes closest to the turntable 100, the protrusion formed on the carriage 103 causes the actuator 1 of the detection switch 111 shown in FIG.
11a is engaged to activate the detection switch. The control unit recognizes that the carriage 103 comes closest to the turntable 100 based on the detection signal issued from the detection switch 111 (step S14), and accordingly stops the motor 108 to stop the carriage 103. (Step S15).

After the above operation, the motor 122 is rotated in the reverse direction (step S16) to release the disc clamp, and the movable carrying member 98 is shown from the insertion position shown by the solid line in FIG. Swing to the insertion position. Since the releasing operation of the disc clamp and the returning operation of the movable supporting member 98 are performed in the reverse process of the above-described disc clamping operation and the swinging operation of the movable supporting member 98 to the insertion position, detailed description thereof will be given. do not do.

As shown in FIG. 9, when the movable carrying member 98 returns to the non-insertion position, the photo sensor 112 provided on the swing groove of each movable carrying member detects the address plate 113 to be detected. A possible position is reached and this is detected. The control unit recognizes that the returning operation of the movable supporting member 98 is completed based on the detection signal emitted from the photo sensor 112 (step S17), and stops the motor 122 to stop the movable supporting member 98 ( Step S18).

By the way, as is clear from the above description,
In the plural disc storage player, the carriage 103 on the movable supporting member 98 is turned before the operation of returning the disc to the non-inserted position of the movable supporting member 98, that is, the non-opposing position with respect to the disc being played after the playing of the disc is completed. You can get closest to the table 100. With such a configuration, downsizing of the player is achieved. What is important is that the player housing 2 is usually formed in a rectangular parallelepiped shape as shown in the embodiment, and since the disc accommodated therein is circular, relatively large spaces are formed at the four corners inside the player housing 2. Therefore, when the longitudinal movable carrying member 98 is in the non-opposing position, the movable carrying member is arranged so as to be close to and along the inner wall surface of the player housing 2 and the end of the movable carrying member 98. The part is inevitably accommodated in any of the four corner spaces. Therefore, as described above, the carriage 103 is moved to the movable carrying member 9 after the performance is completed.
If the movable carrying member is returned to the non-opposing position after being moved to the end portion of 8, the space of this corner is effectively used as a housing space of the carriage 103 when not playing, and the inside of the player housing 2 is The space utilization efficiency of the player is improved, and the player can be easily downsized.

By the series of operations described above, the performance is completed for one disc. As shown in FIG. 19, after performing the series of operations described above, the control unit confirms whether or not there are more designated discs (step S20). If the designated discs are two or more, The second loading subroutine (step S21) shown in FIGS. 19 and 21 is executed to operate each internal mechanism.

In the second loading subroutine,
The control unit first confirms whether the second disc to be played is located above or below the disc that has been played first (step S22). And 5
If the tray carrying the second designated disk is the tray A11 located at the uppermost position among the trays arranged in a sheet, the control unit causes the motor 32 to rotate normally (step S
23) further rotate the two cam members 29 and 30 forward by 60 °, and after the state shown in FIG. 24 through the state shown in FIG.
As shown in FIG. 6, the uppermost tray A11 is separated from other trays. Further, in accordance with this tray separating operation, the motor 121 is rotated in the normal direction (step S23), and the movable carrying member 98 carrying the playing means is moved from the position positioned in the above-mentioned first loading subroutine to the thickness of two trays. The tray A1 at the lowest position separated from the other trays as described above by raising the distance corresponding to
Position to the position corresponding to 1.

On the other hand, in the case where the second disk to be played is carried on, for example, the second tray from the top (fourth from the bottom) of the trays B arranged in the five trays B12. Causes the controller to reverse the motor 32 (step S2
4) reversely rotate the two cam members 29 and 30, and
The state shown in FIG. 4 is changed to the state shown in FIG. 23, and the second tray B12 from the top is separated from the other trays. Also,
With the tray separating operation, the motor 121 is rotated in the reverse direction (step S24), and the movable supporting member 98 is moved to the above-mentioned first position.
From the position determined in the loading subroutine, the position is lowered by a distance corresponding to the thickness of one tray, and the performance means is positioned at a position corresponding to the second tray B12 from the top.

When the address of the current disc matches the address of the second disc to be played as the search disc by the above operation (step S25), the motor 32 and the motor 121 are stopped (step S2).
6) Then, the same step S27 as steps S8 to S18 in the first loading subroutine described above.
Through S37, each mechanism is operated to play the second disc.

Thereafter, as shown in FIG. 19, it is checked whether or not there is an unplayed disc after the third disc (step S40), and if three or more discs have been designated, this is performed according to the second loading subroutine described above. If all the specified discs have been played, the entire mechanism is put into a standby state for playing, or the operation is stopped. Note that FIG.
26 to 26, each tray holding arm 4
Of each of 3 to 48 and 73 to 78, about half of the free end of the tray holding arm for holding a tray separated from the other tray group is arranged to be parallel to the held tray. For example, in FIG. 25, about half of the free end of the tray holding arm 44 holding the second tray B12 separated from the other trays is parallel to the held tray B12. With such a configuration, the playing means including the turntable 100 and the movable carrying member 98 mounted with the playing means can always be smoothly inserted between the trays without interfering with the tray holding arms.
The playing means can be attached to the disc reliably and smoothly.

[0071]

As described above, according to the first aspect of the invention, when reproducing a disc, not only the space for moving the reading means but also the space between the other disc and the adjacent disc is set. As a result of the securing, even if the disc to be played back has a surface deviation or the like, a space between the disc and another disc can be secured, so that stable playback is possible.

According to the invention described in claim 4,
At the time of playing a disc, by securing a space with the adjacent disc on both sides of the played disc,
Even if the disc to be played back has a surface deviation, the gap between the disc and another disc can be secured, so that stable playback is possible.

[Brief description of drawings]

FIG. 1 is an overall perspective view of a multiple disc storage player according to the present invention.

2 is a diffusion exploded perspective view including a partial cross section of a magazine provided in the multiple disc player storage player shown in FIG. 1. FIG.

3 is a plan view including a partial cross section of a magazine provided in the multiple disc player storage player shown in FIG. 1. FIG.

4 is a IV-IV arrow view including a partial cross-section with respect to FIG. 3. FIG.

FIG. 5 is a VV arrow view including a partial cross section with respect to FIG. 3;

6A is a plan view of a tray included in the magazine shown in FIGS. 2 to 5, and FIGS. 6B and 6C are VIb-VIb arrow views and VIc of FIG. 6A, respectively. It is a VIc arrow line view.

7 (a) is a plan view of another tray included in the magazine shown in FIGS. 2 to 5, and FIGS. 7 (b) and 7 (c) are views taken along arrows VIIb-VIIb in FIG. 7 (a). Figure and VIIc-V
FIG.

FIG. 8 is an enlarged perspective view of a part of the magazine shown in FIGS. 2 to 5.

9 is a plan view of an internal mechanism of the multiple disc storage player shown in FIG. 1. FIG.

10 is a sectional view taken along line XX in FIG.

11 is a cross-sectional view taken along line XI-XI of FIG. 9.

12 is a sectional view taken along line XII-XII of FIG.

13 is an enlarged perspective view of a part of the internal mechanism shown in FIG.

14 is an enlarged view of a part of the internal mechanism shown in FIG.

FIG. 15 is an XV-XV arrow view including a partial cross section relating to FIG. 9;

FIG. 16 is an XVI-XVI including a partial cross section with respect to FIG. 9;
FIG.

17 is an enlarged view including a partial cross section of a part of the internal mechanism shown in FIG. 9. FIG.

18 is a block diagram of a control system of the multiple disc storage player shown in FIGS. 1 to 17. FIG.

FIG. 19 is a flowchart for explaining the operation of the multiple disc storage player shown in FIGS. 1 to 17.

FIG. 20 is a flowchart for explaining the operation of the multiple disc storage player shown in FIGS. 1 to 17.

FIG. 21 is a flow chart for explaining the operation of the multiple disc storage player shown in FIGS. 1 to 17.

FIG. 22 is an operation explanatory diagram of the multiple disc storage player shown in FIGS. 1 to 17;

FIG. 23 is an operation explanatory diagram of the multiple disc storage player shown in FIGS. 1 to 17;

FIG. 24 is an operation explanatory view of the multiple disc storage player shown in FIGS. 1 to 17;

FIG. 25 is an operation explanatory diagram of the multiple disc storage player shown in FIGS. 1 to 17;

FIG. 26 is an operation explanatory diagram of the multiple disc storage player shown in FIGS. 1 to 17;

FIG. 27 is an operation explanatory diagram of the multiple disc storage player shown in FIGS. 1 to 17;

[Explanation of symbols]

2 Player Housing 5 Magazine 6 Upper Half 7 Lower Half 7a, 7b, 11c, 11d, 12c, 12d Held Part 11 Tray A 12 Tray B 14, 16, 17 Cylindrical Member 19 Movable Locking Member 21 Energizing Lever 22, 27, 140 Spring member 24, 25 Guide shaft 26 Lever member 29, 30 Disk-shaped movable cam member 32, 108, 121, 122 Motor 43, 44, 45, 46, 47, 48, 73, 74, 7
5, 76, 77, 78 Tray holding arm 83, 113 Address plate 84, 112 Photo sensor 88, 89 Partition member 95 Support shaft 96 Male screw 98 Movable carrying member 100 Turntable 101 Guide shaft 102 Worm 103 Carriage 109 Power transmission mechanism 111 Detection Switch 115 Clamp arm 117 Pressing member (clamper) 130 Cylindrical member 142 Intermediate lever 150 CPU 151 ROM 153 RAM

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-2-294967 (JP, A) Actual development Sho 62-83254 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) G11B 17/22-17/30

Claims (4)

(57) [Claims] 1. A disc player for storing a plurality of discs arranged in an array, selecting a desired disc from the stored discs and reproducing the disc, and a reading unit for reading information recorded on the discs. A first moving means for moving the reading means between a facing position and a non-facing position facing the recording surface of the disc, and by moving the disc when playing the designated designated disc, Second moving means for providing a space in which the reading means can move on the recording surface side of the disc, and by advancing the disc during reproduction of the designated disc, it is adjacent to the back side of the recording face of the designated disc. The distance between the matching disc and the designated disc,
Compared to the distance between non-playback target discs next to each other,
A disc player having a third moving means for unfolding. 2. The second moving means and the third moving means are integrally formed.
The disc player described in. 3. The disc player according to claim 1, wherein the second moving means and the third moving means are driven by the same cam. 4. A disc player for arranging and storing a plurality of discs, selecting a desired disc from the stored discs and reproducing the disc, and a reading means for reading information recorded on the discs. A moving means for moving the reading means between a facing position facing the recording surface of the disc and a non-facing position, and a reproducing device for playing the designated designated disc, the discs adjacent to each other on both sides of the designated disc. A disc player comprising: a disc space securing means for widening the space.