JP3065141B2 - Multi CD player - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a standard-size compact disc (hereinafter referred to as a CD) having a diameter of 12 cm and a diameter of 8 cm.
m from a CD magazine loaded with multiple single-size compact discs (hereinafter referred to as single CDs)
The present invention relates to a multi-CD player capable of loading D or a single CD and continuously performing the same.

[0002]

2. Description of the Related Art In recent years, as a car component, a multi-CD player capable of arbitrarily selecting a plurality of CDs and continuously performing the same has been spreading. In such a multi-CD player, a CD magazine loaded with a plurality of CDs in advance is used. As an example, a slit-type CD magazine a shown in FIGS. 10 and 11 is generally known.

[0003] The CD magazine a is composed of, for example, six CDs.
And a click spring d, d for holding the outer peripheral portion on the front side of the loaded CDc in the left-right direction to prevent the CDc from falling out in the pull-out direction. , This click spring d,
and an eject arm e that pushes the CDc by pressing the outer peripheral portion of the back side of the CDc against d. Also, a single CD can be loaded in the slit by being previously mounted on a single CD adapter.

[0004] Such a CD magazine a is inserted into the inside of a multi-CD player f through a magazine insertion opening g as shown in FIG.
The D magazine a is inserted in the normal direction facing the reproducing apparatus side of the multi-CD player f by aligning the guide groove h formed on the bottom surface with the guide pin (not shown) in the magazine insertion port g. It has become so. In this inserted state, a pressing member (not shown) provided on the multi-CD player f selectively pushes the eject arm e, so that an arbitrary CDc is pushed out from the CD entrance b, and this is fed to a feed rubber roller (shown in the figure). (Omitted) is loaded on the playback device side.

On the other hand, the single CD adapter is a disk having the same diameter as a CD, and has a single C
A type in which D is fitted and mounted is conventionally generally known. However, this type of single CD adapter requires that the entire single CD adapter be removed from the CD magazine a when exchanging a single CD, which has a problem in that the workability is extremely poor. Therefore, there is a demand for a single CD adapter capable of exchanging a single CD without completely removing it from the CD magazine a. In order to meet this demand, the present applicant has devised a single CD adapter i shown in FIG.

The single CD adapter i has a substantially C-shaped planar shape with a part of the outer periphery corresponding to the outer periphery of the CD being opened, and a mounting portion k on which a single CDj can be attached and detached from the radial direction is formed. On the opening side of the mounting portion k, a pair of left and right holding tongue pieces 1 for retaining the single CDj are integrally formed. The single CD adapter i is inserted into the CD magazine a while being prevented from being pulled out in the pushing direction by the click springs d, with the opening side of the mounting portion k facing the slit-shaped CD entrance b. Has become.

[0007]

By the way, the CD magazine a loaded with the single CD adapter i is multi-C
When the D player f is used by inserting it into the magazine insertion slot g, there is a concern about the following problem. That is, multi C
When the performance of the single CDj is completed in the D player f, the single CDj is pushed into the CD magazine a from the slit-shaped CD entrance / exit b by the feed rubber roller m as shown in FIG. At this time, the single CD adapter i is pushed by the single CDj and moves to the back side, and as shown in FIG. 13B, the single CDj is not mounted on the mounting section k of the single CD adapter i and is near the CD entrance / exit b. The problem of being left behind is of concern.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a multi-CD player capable of securely mounting a single CD on a mounting portion of a single CD adapter when reproduction of the single CD is completed.

[0009]

For this purpose, a multi-CD player according to the present invention is mounted on a single CD adapter having a mounting portion which is opened at a part of the outer periphery and which allows a single CD to be detachably mounted in a radial direction. Multi-C capable of playing a single CD loaded in a slit-type CD magazine equipped with an eject arm together with a single CD adapter
A D player, comprising a pressing member for selectively pressing the eject arm to press a predetermined amount of a CD or a single CD adapter in the CD magazine, and the pressing member is used for storing a single CD in the CD magazine. , The corresponding eject arm is selectively pushed, and this pushing state is held until the single CD is mounted on the mounting portion of the single CD adapter.

[0010]

In a multi-CD player employing such a means, when a single CD is reproduced and stored in a CD magazine, the pressing member selectively presses a corresponding eject arm, so that a single CD can be moved. CD adapter is CD
The movement of the magazine to the far side is prevented. Since this movement inhibition state is maintained until the single CD is mounted on the mounting portion of the single CD adapter, the single CD can be securely mounted on the mounting portion of the single CD adapter and stored in the CD magazine.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to the accompanying drawings. FIG. 1 shows a schematic configuration of a multi-CD player to which one embodiment is applied and a CD magazine used for the multi-CD player. This CD magazine 1 is of a substantially square shape having a predetermined thickness, and a CD entrance and exit 3 composed of a plurality of slits is provided on one circumferential surface thereof. For example, a total of six 12 cm standard size CDs 4 are provided through each slit. It is designed to be taken in and out in the direction of the arrow. Then, the CD door 3 is pushed out so as to push out the CD 4 loaded inside.
On the peripheral wall surface 1a adjacent to the left side of the above, six eject arms 5 corresponding to each CD 4 are protruded. In order to confirm the presence of CD4 loaded inside,
Peripheral wall 1b adjacent to the right side of doorway 3 and CD doorway 3
On the other side of the peripheral wall 1c, there are provided CD confirmation windows 6 and 7 in which a transparent plate is fitted.

As shown in FIG. 2, a first guide groove 8 and a second guide groove 9 are formed on the bottom surface 1d of the CD magazine 1, and a third guide groove is formed on the peripheral wall surface 1b. A groove 10 is formed. These guide grooves 8, 9, 1
Reference numeral 0 denotes a first guide groove having a predetermined width and depth capable of selectively engaging with respective guide pins corresponding to various types of multi-CD players in which the insertion direction of the CD magazine 1 is different. Reference numeral 8 extends in the CD insertion / removal direction with the CD entrance 3 side as an opening end. The second guide groove 9 is formed on the peripheral wall surface 1 a adjacent to the left side of the CD entrance 3.
The first guide groove 8 extends perpendicularly to the first guide groove 8 with its side as an open end. Further, the third guide groove 10 extends vertically so as to be orthogonal to both the guide grooves 8 and 9. In addition,
The first guide groove 8 and the second guide groove 9 are connected to the CD magazine 1 so that either the first guide groove 8 or the second guide groove 9 selectively engages with the guide pin of the multi CD player. Are different from each other in the width direction at the bottom surface 1d.

FIG. 3 shows the internal structure of the CD magazine 1. A pair of click springs 11 are installed on the left and right near the CD entrance 3. The CD 4 pushed in from the CD entrance 3 against the pair of left and right click springs 11, 11 has an eject arm 5
When the ejector 5 is pressed by the rotation of the eject arm 5, the click spring 11 is pressed. , 11 are pushed out to the CD entrance 3 side while bending.

FIG. 4 shows the CD magazine 1 having a diameter of 8c.
A single CD adapter 13 for loading m single CDs 12 is shown. This single CD adapter 1
Reference numeral 3 denotes a substantially C-shaped planar shape in which a part of the outer periphery corresponding to the CD entrance 3 of the CD magazine 1 is open,
Inside it is a single CD12 loading section with a CD doorway 3
It is provided offset to the side. That is, single CD12
And a pair of left and right holding tongue pieces 13b located on both sides of the circular arc portion 13a to prevent the single CD 12 from coming off are integrally formed as a mounting portion. In addition, a CD4
The same circular arc portion 13c as the outer periphery of the circular arc portion 1 is formed.
3c, the CD magazine 1
A first step portion 13d, a second step portion 13e, and an inclined portion 13f are formed on the click springs 11 and 11, respectively.

FIG. 5 shows a state in which the single CD 12 held by the single CD adapter 13 is loaded, and the CD entrance 3 is opposed to a pair of left and right click springs 11.
In the single CD adapter 13 pushed in from behind, the arc portion 13c facing the back comes into contact with the eject arm 5, and the inclined portions 13f, 13f located on the front side have the click spring 1c.
It is C with single CD12 by being sandwiched between 1,11
It is loaded in the D magazine 1. In this loaded state, a part of the outer periphery of the single CD 12 faces the CD entrance 3 similarly to the 12 cm standard size CD 4.

On the other hand, the multi CD player 2
The magazine 1 faces the CD entrance 3 to the left and the peripheral wall 1
The magazine insertion port 14 is inserted from the side a. On the bottom surface of the magazine insertion port 14, guide pins 15, 15 to be engaged with the second guide grooves 9 are protruded. A pressing member 16 for selectively pressing the eject arm 5 of the inserted CD magazine 1 is disposed at the back of the magazine insertion port 14, and a CD magazine is provided on the left side of the magazine insertion port 14. A pair of feed rubber rollers 18, which load the CD 4 or the single CD 12 extruded from the inside of the CD magazine 1 into the clamper 17 side of the reproducing apparatus, and load them into the CD magazine 1.
18 are arranged.

The pressing member 16 has a front end portion having a return spring 1.
9, a semi-lunar cam hole 16a formed at the rear end engages a drive pin 20a protruding from the gear 20.
According to the rotation angle of the gear 20 which is rotationally driven by the servomotor 26 via the group of gear trains 21, the gear moves forward and backward against the return spring 19 according to the rotation angle. By this forward movement, the pressing member 16 moves the eject arm 5.
Is selectively pressed so that the CD 4 in the CD magazine 1 or the single CD 1 held by the single CD adapter 13
2 is slightly pushed out of the CD entrance 3.

The pair of feed rubber rollers 1
The gears 18 and 18 rotate at the same speed in the same direction with each other by rotating the gears 18a and 18a fixed to the ends thereof at the same speed with the gear 22 which is driven to rotate via the gear train 21 so that the CD 4 or the single CD 12 is formed. It is designed to be loaded.

Here, the servo motor 26 is controlled by a control unit (not shown) to feed rubber rollers 18 and
When loading the single CD 12 into the CD magazine 1 for loading, the rotation of the pressing member 16 is controlled so that the pressing member 16 is held at the forward position until just before the loading operation is completed. In order to detect immediately before the completion of the loading operation on the single CD 12, a photodetector 27 for detecting the presence or absence of the single CD 12 is arranged near the feed rubber rollers 18,.

Next, the operation of the multi-CD player 2 of the embodiment configured as described above will be described together with the operation of the CD magazine 1 and the single CD adapter 13. As described above, the multi-CD player 2 has a configuration in which the feed rubber rollers 18 and 18 and the clamper 17 of the reproducing apparatus are arranged on the left side of the magazine insertion slot 14. Therefore, for this type of multi-CD player 2, FIG.
As schematically shown in FIG. 1A, the CD magazine 1 is inserted into the magazine insertion slot 14 from the peripheral wall 1a side with the CD entrance 3 facing left. By doing so, the second guide groove 9 formed on the lower surface of the CD magazine 1
The CD magazine 1 is inserted into the magazine slot 14 in a proper direction without fail. In this inserted state, FIG.
As shown in (a), the CD confirmation window 6 provided on the peripheral wall 1b of the CD magazine 1 is exposed at the opening of the magazine insertion slot 14 of the multi-CD player 2, and the CD 4 and the single CD 12 in the CD magazine 1 are exposed. Presence can be confirmed in the inserted state.

Here, temporarily, the CD entrance 3 and other peripheral wall surfaces 1
If the user tries to insert the CD magazine 1 into the magazine insertion slot 14 with the b and 1c facing forward, the guide pins 15 and 15 abut against the front end surfaces of the insertion and the insertion of the CD magazine 1 is prevented. In this way, erroneous insertion of the CD magazine 1 is prevented.

As shown schematically in FIG. 6 (b), for a multi-CD player 24 of a type in which a reproducing apparatus is arranged at the back of the magazine insertion slot 23, the CD entrance 3 is inserted in the insertion direction. The CD magazine 1 is inserted into the magazine insertion slot 23 toward the front. By doing so, the first guide groove 8 formed on the lower surface of the CD magazine 1 is engaged with and engaged with the guide pins 25, 25 in the magazine insertion slot 23, so that the CD magazine 1 is securely inserted into the magazine insertion slot 23. Is inserted into. In this inserted state, as shown in FIG. 7B, the CD confirmation window 7 provided on the peripheral wall 1c of the CD magazine 1 is exposed at the opening of the magazine insertion opening 23 of the multi-CD player 24. CD4 in 1
The presence or absence of the single CD 12 can be confirmed in the inserted state.

In this case, as shown in FIG.
a to the front and insert the CD magazine 1 into the magazine slot 23
When inserted into the second guide groove 9, the second guide groove 9
25, the peripheral wall 1a is
5 and 25, the insertion of the CD magazine 1 is prevented, and thus the erroneous insertion of the CD magazine 1 is prevented.

For a multi-CD player in which the CD magazine 1 is inserted into the magazine insertion slot with its bottom surface 1d facing forward in the insertion direction, the third guide groove 10 formed in the peripheral wall surface 1b is provided with a multi guide. The CD magazine 1 is inserted so as to match the guide pins of the CD player. By doing so, the CD magazine 1 is prevented from being erroneously inserted and is surely inserted in the proper direction.

As described above, the CD magazine 1 inserted into the magazine insertion slot 14 of the multi-CD player 2 in the proper direction has the eject arm 5
CD entrance 3 is feed rubber roller 1
Meet 8,18. Then, the servo motor 26 is rotationally driven by a control unit (not shown), and the pressing member 1 is pressed.
When the eject arm 6 is selectively pressed by moving forward, for example, the CD 4 in the CD magazine 1 is pushed out from the CD entrance 3 by a predetermined amount. The extruded CD4 is loaded by the pair of feed rubber rollers 18 into the reproducing apparatus, and the clamper 17 holds the loaded CD4, thereby starting reproduction of the CD4 by the reproducing apparatus.

When the reproduction of the CD4 is completed, the holding of the CD4 by the clamper 17 is released, and the feed rubber rollers 18 are rotated in the reverse direction to load the CD4 into the CD magazine 1. Thus, the CD4 is shown in FIG. As shown in FIG.
1 and returns to the loaded state.

Here, the single CD 12 is held and the CD
Single CD adapter 13 loaded in magazine 1
Is pushed out of the CD entrance 3 together with the single CD 12 by the rotation of the eject arm 5 due to the advancement of the pressing member 16, and at this time, the feed rubber rollers 18, 18
Is loaded in frictional contact only with the single CD12. Therefore, the single CD adapter 13 shown in FIG.
As shown in FIG.
The single CD 12 stops at a position where the single CD 12 is held by the feed rubber rollers 18 and 18 against the holding force of the holding tongue pieces 13 b and 13 b of the stopped single CD adapter 13. The reproduction of the single CD 12 held by the clamper 17 starts.

When the reproduction of the single CD 12 is completed, the holding of the single CD 12 by the clamper 17 is released, and the feed rubber rollers 18 are rotated in the reverse direction to load the single CD 12 into the CD magazine 1. The pressing member 16 moves forward by the servo motor 26 whose rotation is controlled by the control unit, and pushes the corresponding eject arm 5. Therefore, the single CD adapter 13 is held at the position shown in FIG. Therefore, the single CD 12 is pushed into the inner peripheral side of the single CD adapter 13 while pushing the tongue pieces 13b, 13b to the left and right with respect to the stopped single CD adapter 13, and is securely mounted on the single CD adapter 13. Subsequently, immediately before the loading operation for the single CD 12 is completed, the photodetector 27
, The rotation of the servomotor 26 is controlled, the pressing member 16 retreats, and the eject arm 5 becomes free.
Therefore, the single CD adapter 13 is
And return to the position shown in FIG.
f is in a loaded state sandwiched by the click springs 11, 11.

The single CD 1 held in the single CD adapter 13 and loaded in the CD magazine 1
To replace the CD magazine 1, the CD magazine 1 is taken out from the magazine insertion slot 14 of the multi-CD player 2, and the corresponding eject arm 5 is pushed by a finger or the like to move the single CD adapter 13 to the second step 13e, 13e. It is pushed out to the position where it is held by the click springs 11 (see FIG. 8). Then single CD12 is CD of CD magazine 1
The single CD 12 protrudes slightly from the entrance 3 and is pulled out against the holding tongue pieces 13b, 13b of the single CD adapter 13, so that the single CD 12 can be replaced.

[0030]

As described above, according to the present invention, when a single CD has been reproduced and stored in a CD magazine, the pressing member selectively presses the corresponding eject arm. The CD adapter is prevented from moving to the back of the CD magazine. Since this movement inhibition state is maintained until the single CD is mounted on the mounting portion of the single CD adapter, the single CD can be securely mounted on the mounting portion of the single CD adapter and stored in the CD magazine.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a multi-CD player according to the present invention.

FIG. 2 is a perspective view showing a lower surface of a CD magazine used in one embodiment.

FIG. 3 is an explanatory diagram of an internal structure showing a CD magazine used in one embodiment in a CD loaded state.

FIG. 4 is a plan view of a single CD adapter used in one embodiment.

FIG. 5 is an explanatory diagram of an internal structure showing a single magazine loaded state of a CD magazine used in one embodiment.

6 (a), (b) and (c) show C used in one embodiment.
It is operation | movement explanatory drawing of D magazine.

FIGS. 7 (a) and 7 (b) are views for explaining the operation of a CD magazine used in one embodiment.

FIG. 8 is an operation explanatory view showing an extruded state of a single CD adapter used in one embodiment.

FIG. 9 is an operation explanatory view showing an extruded state of a single CD adapter used in one embodiment.

FIG. 10 is an external perspective view of a general slit-type CD magazine.

FIG. 11 is an explanatory diagram of the internal structure of a general CD magazine.

FIG. 12 is an external perspective view of a general multi-CD player.

FIG. 13 is an operation explanatory view of a conventional example.

[Explanation of symbols]

 Reference Signs List 1 CD magazine 2 Multi CD player 3 CD entrance 4 CD 5 Eject arm 6, 7 CD confirmation window 8 First guide groove 9 Second guide groove 10 Third guide groove 11 Click spring 12 Single CD 13 Single CD adapter 14 Magazine insertion slot 15 Guide pin 16 Press member 16a Cam hole 17 Clamper 18 Feed rubber roller 18a Gear 19 Return spring 20 Gear 20a Drive pin 21 Gear train 22 Gear 23 Magazine insertion slot 24 Multi CD player 25 Guide pin 26 Servo motor 27 Photodetector

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tomomichi Kimura 25-1, Nishimachi, Yamada, Kawagoe-shi, Saitama Prefecture Inside the Pioneer Corporation Kawagoe Plant (56) References JP-A-2-49287 (JP, A) (58) Field surveyed (Int.Cl. ⁷ , DB name) G11B 17/22-17/30 G11B 23/023

Claims (1)

(57) [Claims] 1. A single CD adapter having a mounting portion which is opened at a part of the outer periphery and allows a single CD to be detachably mounted in a radial direction, and is loaded together with the single CD adapter into a slit type CD magazine having an eject arm. A multi-CD player capable of playing back a single CD, wherein the eject arm is selectively pushed to move the CD.
A pressing member for pushing out a CD or a single CD adapter in the magazine by a predetermined amount is provided.
When the D is stored in the CD magazine, the corresponding eject arm is selectively pushed and the pushing state is changed to a single CD.
Characterized in that the multi-CD player is held until it is mounted on a mounting portion of a single CD adapter.