JPH04362562A - Disk player - Google Patents

Abstract

PURPOSE:To simplify an operation by enabling the recording/reproducing of both a single disk and a disk stored in a cartridge with one disk player. CONSTITUTION:The recording/reproducing of a single disk is carried out by carrying the disk on a disk tray 20 and loading it in a specified position in a player main body 2. The recording/reproducing of the disk stored in a cartridge 110 is carried out by carrying the cartridge 110 on a cartridge carrier 40 and loading it in a specified position in the player main body 2. Thus, both a single disk and the disk stored in the cartridge 110 are recorded/reproduced with one disk player. Also, since the shutter 113 of the cartridge 110 is freely opened and closed by interlocking a shutter opening and closing lever 60 with the loading/unloading operation of the cartridge carrier 40, another driving source for driving the shatter opening/closing lever 60 is unnecessitated.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] This invention comprises a single disk,
The present invention relates to a new disc player capable of playing back both discs stored in a cartridge with one player.

0002

2. Description of the Related Art For example, playback-only disc players that play single discs such as CDs (compact discs) and playback-only disc players that play discs stored in cartridges are known.

0003

[Problems to be Solved by the Invention] However, conventionally, two types of disc players have to be prepared, one for playing a single disc and the other for playing a disc stored in a cartridge. This increases the cost and requires a large installation space. Also,
In a disc player that plays discs stored in a cartridge, it is possible to use a single disc in the cartridge, but it is necessary to put all the discs in the cartridge or to take discs in and out of the cartridge each time. Operability was poor. SUMMARY OF THE INVENTION Therefore, it is an object of the present invention to provide a disc player that can easily record/play back both a single disc and a disc stored in a cartridge.

0004

[Means for Solving the Problems] A disc player that loads a single disc or a disc housed in a cartridge into a player body for recording/playback, wherein the single disc is placed at a predetermined position in the player body. a cartridge carrier for loading the cartridge into a predetermined position in the player main body; and a turntable for rotatably placing one of the discs loaded in a predetermined position in the player main body. , an optical pickup for recording/reproducing one of the discs loaded at a predetermined position in the player main body, and a shutter opening/closing lever is interlocked with the loading/unloading operation of the cartridge carrier to open the shutter of the cartridge. It can be opened and closed freely.

[0005]

[Operation] When recording/reproducing a single disc, the disc is carried by a disc tray and loaded into a predetermined position within the player body. Further, when recording/reproducing a disc housed in a cartridge, the cartridge is transported by a cartridge carrier and loaded into a predetermined position within the player body. A single disc player records/reproduces both a single disc and a disc housed in a cartridge. Since there is no need to prepare two dedicated disc players for each disc player as in the past, installation can be done at a lower cost and in a smaller space. Furthermore, since there is no need to take the disk in and out of the cartridge during playback as in the conventional case, recording and playback can be performed on both disks with simple operations.

Furthermore, since the shutter opening/closing lever is linked to the loading/unloading operation of the cartridge carrier, so that the shutter of the cartridge can be freely opened and closed, a separate drive source for driving the shutter opening/closing lever is not required. The number of parts is reduced,
The overall cost and size of the disc player can be further reduced.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings.

In FIG. 4, reference numeral 1 denotes a disc player, which plays a disc 1 such as a single CD (compact disc).
00 and the disk 10 housed in the cartridge 110.
This is a reproduction-only device that reproduces both 1 and 1. A main chassis 10 having a planar rectangular shape is fixed to a middle position in the case-shaped player main body 2 of the disc player 1, and a sub-chassis 30 is mounted above the main chassis 10 via a plurality of supports 31. It is fixed at a predetermined distance from the top surface of the. Further, between a pair of brackets 11, 11 standing up on the rear side of the lower surface of the main chassis 10, there is a proximal end of a mechanical chassis 50 whose tip (front) side is movable up and down with respect to the lower surface of the main chassis 10. The part is supported by the shaft 5
1 so as to be rotatable in the vertical direction.

As shown in FIG. 2, the main chassis 1
0, a disc tray 20 on which the single disc 100 is placed and loaded to a position below a rectangular opening 10a formed on the front side of the main chassis 10 in the player main body 2 is reciprocated in the front and rear direction. It is arranged so that it can be moved freely. To be more specific, the disk tray 20 is made of synthetic resin and is formed into a vertically long, substantially rectangular plate shape. A concave disk mounting surface 21 having a slightly larger diameter than the single disk 100 is formed at the front center of the upper surface of this disk tray 20, and a rectangular shape extends from the center of this disk mounting surface 21 to the rear. An opening 22 is formed therein. Further, a long protruding piece 23 is fixed to the left side of the disk tray 20 from the rear center to the rear end.
A protruding piece 2 with a concave cross section is located near the center rear of the right side.
5 is integrally protruded. The left protruding piece 23 of this disk tray 20 is a guide shaft 1 that extends between the rear upright piece 10b of the main chassis 10 and the bracket 12 fixed to the front left side of the main chassis 10.
The protruding piece 25 on the right side of the protruding piece 25 of the elongated guide plate 14, which is fixed to the right side of the main chassis 10 and has a convexly protruding opposing surface, extends through the guide plate 14 in a slidable manner.
It is slidably fitted into a.

[0010] Also, the protruding piece 2 of the disc tray 20
A rack 24 is integrally formed on the outer surface of the rack 3 in a protruding manner. The rack 24 meshes with a small diameter gear 15a integrally formed at the bottom of a large diameter gear 15 rotatably supported on the left side of the main chassis 10. This large diameter gear 15 meshes with an intermediate gear 16 rotatably supported on the left side of the main chassis 10. A pulley 16a is integrally formed at the bottom of the intermediate gear 16, and a motor 1 for driving a disk tray is fixed to the left side of the bottom surface of the main chassis 10.
An annular belt 19 is stretched between the driving pulley 18 exposed on the main chassis 10 which is rotated by the main chassis 7 . By driving this motor 17, the disk tray 20 is moved to the guide shaft 1 on the main chassis 10.
3 and the guide plate 14 in a forward and backward direction. By this forward sliding movement (loading operation) of the disk tray 20, the single disk 1
00 is loaded into the player body 2, and the single disc 100 is ejected from the player body 2 by the backward sliding movement (unloading operation) of the disc tray 20. With this unloading operation of the disc tray 20, the disc tray 2
The disk mounting surface 21 side of the player body 2 is exposed to the outside through the opening 3 of the player body 2, so that a single disk 100 can be easily taken in and taken out. In addition, in Figure 2, 27, 28
A switch is used to detect the completion of the loading and unloading operations of the disc tray 20 and to switch between driving and stopping the motor 17.

As shown in FIG. 1, the subchassis 30
Above is a cartridge 110 containing a disk 101.
The opening 1 of the main chassis 10 is
A cartridge carrier 40 serving as a cartridge transporting member for loading the cartridge 110 to a position below 0a is disposed so as to be able to reciprocate in the front and back direction. To be more specific, the cartridge carrier 40 is made of synthetic resin and has a substantially square shape when viewed from the front, with an upper part 40a, both side wall parts 40b, 40b, and both bottom parts 40c, 40c protruding opposite to the lower parts of the both side wall parts 40b, 40b. It has been formed. Figure 3
As shown in FIG.
A chucking member 41 for clamping the single disk 100 between turntables to be described later is loosely fitted into an annular flange 40d formed in the central recess 0a so as to be movable in the vertical direction. In addition, this cartridge carrier 40
The cartridge 1 is mounted on the front side of both side parts 40b, 40b.
A pair of engagement recesses 111 formed on the front sides of both sides of 10
, 111, a pair of claws 42, 42 which engage and disengage from each other are pivotably supported horizontally by pins. The pair of claws 42, 42 are inserted into the front side of the cartridge carrier 40 with their tips 42a exposed from the small holes 40e of the side walls 40b to the inner surfaces thereof by the urging force of the torsion springs 43, and inserted into the front side of the cartridge carrier 40.
Both sides of the cartridge 110 placed on 0c and 40c are held between them.

Further, on the outer surface of the right side wall portion 40b of the cartridge carrier 40, a pair of protruding pieces 44, 44 are provided.
is integrally protruded, and the left side wall portion 40
A projecting piece 45 is integrally formed in the center of the outer surface of b. The pair of protruding pieces 44, 44 of this cartridge carrier 40 slides on a guide shaft 33 extending between the rear upright piece 30b of the sub-chassis 30 and a bracket 32 fixed to the front right side of the sub-chassis 30. The projecting piece 45 is slidably inserted into a guide groove 34a formed in the center of a long guide plate 34 fixed to the left side of the sub-chassis 30. be.

Further, a rack 46 is integrally formed on the inner surface of the right side wall portion 40b of the cartridge carrier 40 to project therefrom. The rack 46 meshes with a small-diameter gear 35a that is integrally formed on the top of a large-diameter gear 35 rotatably supported on the right side of the sub-chassis 30. This large-diameter gear 35 meshes with an intermediate gear 36 rotatably supported on the right side of the sub-chassis 30. A pulley 36a integrally formed at the lower part of this intermediate gear 36 and a subchassis 3
An annular belt 39 is stretched between the sub-chassis 30 and a drive pulley 38 exposed on the sub-chassis 30, which is rotated by a cartridge carrier drive motor 37 fixed to the right side of the lower surface of the cartridge carrier. By driving this motor 37,
The cartridge carrier 40 is connected to the subchassis 30.
It is configured to slide forward and backward along the upper guide shaft 33 and guide plate 34 in the front and rear directions. The cartridge 110 containing the disc 101 is loaded into the player body 2 by the forward sliding movement (loading operation) of the cartridge carrier 40, and the cartridge 110 is ejected by the backward sliding movement (unloading movement) of the cartridge carrier 40. As shown in FIG. 1, when the unloading operation of the cartridge carrier 40 is completed, the front surface of the cartridge carrier 40 hits the bracket 32 on the sub-chassis 30 so that it is not exposed outside through the opening 3 of the player body 2. It has become. Further, as shown in FIG. 11, when the loading operation of the cartridge carrier 40 is completed, the cartridge carrier 40 transports the cartridge 110 and is positioned at the back of the sub-chassis 30.

As shown in FIG. 1, a substantially inverted U-shaped front opening 30a is formed on the front side of the sub-chassis 30 at a position facing the opening 10a of the main chassis 10. Further, in FIG. 1, 48 is a switch, and a pair of claws 42, 42 of the cartridge carrier 40 is used to mount the cartridge.
The motor 37 is driven when the pair of engagement recesses 111, 111 of 10 are clamped. Also, 49A
, 49B are each switch, and the cartridge carrier 4
The completion state of the loading operation and unloading operation of the disk tray 20 of 0 is detected and the motor 17 is driven/operated.
This is used to switch between stops.

As shown in FIG. 1, a shutter opening/closing lever 60 is located at the center of the left side of the sub-chassis 30.
The base of the holder is rotatably supported via a support shaft 61. As shown in FIGS. 1 and 5, a roller 62 as a cam follower is rotatably supported in the center of the upper surface of the shutter opening/closing lever 60, and an opening formed in the bottom of the cartridge 110 is provided at the tip of the roller 62. A pin 63 is provided in a protruding manner to engage and disengage the shutter 113 which opens and closes the shutter 112, thereby opening and closing the shutter 113. Further, this shutter opening/closing lever 60 is connected to a pin 63 at the tip thereof by a torsion spring 64 on the left side wall portion 40b of the cartridge carrier 40.
is biased to be located in the rectangular small opening 40f. Furthermore, the roller 6 of this shutter opening/closing lever 60
2 is slidably rotatable on a tapered surface 47 serving as a cam formed at the back of the bottom portion 40c of the side wall portion 40b. Thereby, the shutter opening/closing lever 60 rotates in conjunction with the loading/unloading operation of the cartridge carrier 40 to open/close the shutter 113 of the cartridge 110. Note that when the pressing force of the pin 63 of the shutter opening/closing lever 60 is released, the shutter 113 that opens and closes the opening 112 formed on the bottom surface of the cartridge 110 is activated by a spring (not shown) built into the cartridge 110. The opening 112 is closed by force.

Main chassis 1 of the mechanical chassis 50
As shown in FIG. 5, a spindle motor 72 that rotatably supports the turntable 70 is fixed at a position facing the opening 10a. Further, in the radial direction of each of the disks 100, 101 at the center of the opening 10a of the main chassis 10 of this mechanical chassis 50, an optical pickup 75 for reproducing the respective disks 100, 101 is reciprocated by a drive mechanism (not shown). They are arranged freely. A pin 52 is provided protruding from the front outer surface of the right side wall portion 50b of the mechanical chassis 50, as shown in FIG. A roller 53 as a cam follower is rotatably supported on this pin 52. The roller 53 is loosely fitted into a substantially spiral cam groove 80a of a cylindrical cam 80 rotatably supported on the right front side of the lower surface of the main chassis 10. The cam 80 is coaxially supported with a fan-shaped gear 81 that is rotatably supported on the right side of the upper surface of the main chassis 10, and is hooked to a hook portion 81a that is integrally formed on the lower part of the gear 81 to form the fan-shaped gear 81. It is designed to rotate within a range of approximately 90° in conjunction with a gear 81. This fan-shaped gear 81 is shown in FIG.
As shown in FIG. 2, it meshes with a small-diameter gear 82a that is integrally formed at the bottom of a first intermediate gear 82 that is rotatably supported on the right side of the main chassis 10. The first intermediate gear 82 meshes with a small diameter gear 83a integrally formed at the lower part of a second intermediate gear 83 rotatably supported on the right side of the main chassis 10. This second intermediate gear 83 is a third intermediate gear rotatably supported on the right side of the main chassis 10.
It meshes with the intermediate gear 84 of. This third intermediate gear 8
4 and a drive pulley 86 exposed on the main chassis 10, which is rotated by a motor 85 for driving the mechanical chassis up and down fixed to the right side of the lower surface of the main chassis 10. , circular belt 8
7 is attached. By driving this motor 85, the mechanical chassis 50 is rotated in the vertical direction about the support shaft 51, and its front side is moved up and down. When the front side of the mechanical chassis 50 is raised, the turntable 70 and the optical pickup 75 are moved to the opening 10a of the main chassis 10 and the front opening 3 of the sub-chassis 30.
The turntable 70 and the optical pickup 75 protrude above the sub-chassis 30 from the opening 10a of the main chassis 10 and the sub-chassis 3 when the front side of the mechanical chassis 50 is lowered.
The front opening 30a of the main chassis 10 is retracted below the main chassis 10 so as not to interfere with the loading/unloading operations of the disk tray 20 and cartridge carrier 40. In addition, in FIG. 2, 71 is an annular magnet fixed to the upper surface of the turntable 70.

Further, a pair of positioning pins 55, 55 are provided protruding from both sides of the front end of the mechanical chassis 50. The pair of positioning pins 55, 55 are connected to the pair of small holes 10c, 10c of the main chassis 10 and the pair of small holes 2 of the disk tray 20 when the front side of the mechanical chassis 50 is raised.
6 and 26, and is inserted into and engaged with a pair of positioning holes 115 and 115 formed on the bottom surface of the cartridge 110, so that the cartridge 110 is positioned when the loading of the cartridge 110 is completed. In addition, in Figure 2, 56
, 57 are switches which are turned on and off by the fan-shaped gear 81 to switch the rotation of the drive pulley 86 of the motor 85 between forward and reverse directions. Also, Figure 4
As shown in FIG. 2, a front surface (front) 20a of a disc tray 20 is exposed at the lower side of a rectangular opening 3 opened at the front of the player main body 2 of the disc player 1, and a cartridge carrier 40 is exposed at the upper side. Lid body 4 that covers the front side of
is installed so that it can be opened and closed freely.

According to the disc player 1 of the embodiment described above, when playing a single disc 100, first, the eject button 5 on the front of the player body 2 is pressed and the disc tray 20 is inserted from below the opening 3. Pull out. Next, place the disc 100 on the disc mounting surface 21 of this disc tray 20, and
Press 0a or press the above eject button 5 again,
The disc tray drive motor 17 is driven and the disc 100 begins to be loaded via the disc tray 20. At this time, as shown in FIG.
Since the turntable 70 and the optical pickup 75 are recessed downward from the bottom surface of the main chassis 10, the turntable 70 and the optical pickup 75 are
0 etc. does not hit the disk tray 20. As shown in FIG. 2, the disk tray 20 slides forward to the back of the main chassis 10, and the protruding piece 25 touches the switch 2.
7, the motor 17 stops, the center of the disk mounting surface 21 of the disk tray 20 is positioned on the turntable 70, and the loading of the disk 100 is completed. At this time, the chucking member 41 of the cartridge carrier 40 on the subchassis 30 is located above the turntable 70.

When the loading of the disk 100 is completed, the motor 85 for driving the mechanical chassis up and down is driven, and the front side of the mechanical chassis 50 is raised and the turntable 7 is lifted up.
0 and the optical pickup 75 rise. As the turntable 70 and the like rise, the disk 100 is placed on the upper surface of the turntable 70, passes through the opening 22 of the disk tray 20, and rises above the front opening 30a of the sub-chassis 30, as shown in FIG. As shown, the chucking member 4 of the turntable 70 and the cartridge carrier 40
The optical pickup 7 is rotatably clamped between the
It is reproduced by 5. Also, this single disk 100
The ejection is performed by a backward sliding operation (unloading operation) which is a reverse operation of the loading operation of the disk tray 20 described above.

Furthermore, when playing the disc 101 stored in the cartridge 110 in the disc player 1, as shown in FIG. Insert it into the front side of 40. Then, as shown in FIGS. 1 and 9, the tips 42a of the pair of claws 42, 42 of the cartridge carrier 40 engage with the pair of engagement recesses 111, 111 on both sides of the cartridge 110, thereby clamping the cartridge 110. . A pair of claws 4 of this cartridge carrier 40
When the pair of engagement recesses 111, 111 on both sides of the cartridge 110 are engaged between the tips 42a of the cartridges 2, 42, the switch 48 is actuated to drive the motor 37 for driving the cartridge carrier. As a result, the cartridge carrier 40 slides forward toward the back of the sub-chassis 30, and the cartridge 11 is moved through the cartridge carrier 40.
0 starts loading. At this time, as shown in FIG. 5, the turntable 70 and optical pickup 75 of the mechanical chassis 50 are retracted downward from the lower surface of the main chassis 10, so when loading the cartridge 110, the turntable 70 and the like are moved to the cartridge carrier 4.
It doesn't hit 0.

In conjunction with the loading operation of the cartridge carrier 40, during the loading of the cartridge 110, a tapered surface 47 formed on the left bottom portion 40c of the cartridge carrier 40 rotates on the support shaft 61 on the main chassis 10. The roller 62 of the freely supported shutter opening/closing lever 60 hits, and the shutter opening/closing lever 60 gradually rotates counterclockwise in the figure. As the shutter opening/closing lever 60 rotates counterclockwise, the pin 63 at the tip of the shutter lever 60 moves toward the cartridge 11 as shown in FIG.
Press the upper left edge of the shutter 113 of No. 0 to gradually open the shutter 113. When this cartridge carrier 40 slides forward to the depths of the sub-chassis 30, as shown in FIG.
It corresponds to 9A. As a result, the motor 37 stops and the disc 101 housed in the cartridge 110 is positioned above the turntable 70, causing the cartridge 1
10 loading is completed.

When the loading of the cartridge 110 is completed, the motor 85 for driving the mechanical chassis up and down rotates, the front side of the mechanical chassis 50 goes up, and the turntable 70 and the optical pickup 75 go up. As the turntable 70 and the like rise, the disk 101 in the cartridge 110 is placed on the upper surface of the turntable 70 and rises, and as shown in FIG. It is rotatably clamped between members 114 and reproduced by an optical pickup 75. This cartridge 11
The ejection of the cartridge carrier 40 is performed by a backward sliding movement (unloading movement) which is a reverse movement of the loading movement of the cartridge carrier 40 described above.

In this way, one disc player 1 can play both the single disc 100 and the disc 101 housed in the cartridge 110.
can be played individually. Therefore, unlike in the past, there is no need to prepare two disc players exclusively for playback, resulting in lower costs, and the complicated operations of putting discs in and out of cartridges for playback, etc., as in the past, are no longer required. Both discs 100 and 101 can be played back by simple operations. As a result, only frequently used discs can be placed in the cartridge and used. Further, a disc tray 20 for loading a single disc 100 into a predetermined position in the player main body 2, and a cartridge carrier 40 for loading a cartridge 110 containing a disc 101 into a predetermined position in the player main body 2 are installed in each chassis 10,
Since the discs 100 and 101 are arranged in two stages in the vertical direction via the disc player 1, the player body 2 can be made compact without having to be long. Coupled with the ability to playback, it is possible to save space in the installation location of the disc player 1.

Further, a cartridge carrier 40 for loading a cartridge 110 containing a disc 101 into a predetermined position within the player main body 2 is provided with a
In addition to the function of transporting the single disc 100, the chucking member 41 of the cartridge carrier 40 also has the function of clamping the single disc 100 when playing the single disc 100. Therefore, when loading the cartridge 110, for example, A mechanism for pushing upward a chucking member for clamping a single disc is not required, and the mechanism for loading the single disc 100 or cartridge 110 can be further simplified. Thereby, the player main body 2 can be downsized, and a low-cost disc player 1 can be provided.

Further, by linking the rotation of the shutter opening/closing lever 60 for opening and closing the shutter 113 of the cartridge 110 containing the disk 101 with the loading/unloading operation of the cartridge carrier 40, the shutter opening/closing lever 60 is driven. There is no need to use a drive source such as a motor, and the number of parts can be reduced accordingly, making it possible to further reduce the cost, weight, and size of the entire disc player 1.

[0026] According to the above embodiment, a playback-only disc player that plays both a single disc and a disc stored in a cartridge has been described. It goes without saying that the embodiment described above can be applied to a recording/playback disc player that uses a recordable/playback disc such as a disc.

[0027]

As described above, the disc player of the present invention includes a disc tray for loading a single disc into a predetermined position within the player main body, and a disc tray for loading a single disc into a predetermined position within the player main body. a turntable on which one of the discs loaded at a predetermined position in the player body is rotatably placed;
Since it is equipped with an optical pickup for recording/playing one of the above discs loaded in a predetermined position in the player main body, a single player can record both the single disc and the disc stored in the cartridge. Can be recorded/played. This eliminates the need to prepare two dedicated disc players for each disc as in the past, so both discs can be recorded/reproduced at low cost, and the installation space for the disc players can be saved. Further, since the complicated operation of loading and unloading the disk into the cartridge during playback, as in the conventional case, is not necessary, it is possible to record/play back both of the above-mentioned disks with a simple operation.

Furthermore, since the shutter opening/closing lever is interlocked with the loading/unloading operation of the cartridge carrier so that the shutter of the cartridge can be freely opened/closed, there is no need for a separate drive source for driving the shutter opening/closing lever. The number of parts can be reduced, and the overall cost and size of the disc player can be further reduced.

[Brief explanation of drawings]

FIG. 1 is a plan view of essential parts of a disc player showing one embodiment of the present invention, viewed from the cartridge carrier side.

FIG. 2 is a plan view of the main parts of the disc player as seen from the disc tray side.

FIG. 3 is a front view showing a part of the main part of the disc player in cross section.

FIG. 4 is an overall schematic perspective view of the disc player.

[Figure 5] Inserting the cartridge into the above disc player,
A cross-sectional view of the sandwiched state.

FIG. 6 is a right side view of essential parts of the disc player.

FIG. 7 is a schematic left side view showing a state in which a cartridge is loaded into the disc player.

FIG. 8 is a schematic left side view showing a state in which a disc is loaded into the disc player.

FIG. 9 is a plan view showing the operation of the shutter opening/closing lever when a cartridge is used in the disc player.

FIG. 10 is a plan view showing a state in the middle of the opening operation of the shutter of the cartridge by the shutter opening/closing lever.

FIG. 11 is a plan view showing a state in which the shutter opening operation of the cartridge is completed by the shutter opening/closing lever.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1...Disc player, 2...Player body, 20...Disc tray, 40...Cartridge carrier, 60...Shutter opening/closing lever, 70...Turntable, 75...Optical pickup, 100...Single disc, 101...Disc stored in cartridge , 110...Cartridge. 113...Shutter.

Claims (1)

[Claims] 1. A disc player that loads a single disc or a disc housed in a cartridge into a player main body for recording/playback, wherein the single disc is loaded into a predetermined position within the player main body. a tray, a cartridge carrier for loading the cartridge into a predetermined position within the player main body, a turntable on which one of the above discs loaded in a predetermined position within the player main body is rotatably placed, and the player main body. Record one of the above discs loaded in a predetermined position in the
What is claimed is: 1. A disc player comprising: a reproducing optical pickup; and a shutter opening/closing lever interlocked with loading/unloading operations of the cartridge carrier, so that the shutter of the cartridge can be freely opened and closed.