JP3325394B2 - Recording and playback device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording / reproducing apparatus in which a disc is placed on a tray and can be taken in and out of a main body cabinet, and more particularly to a recording / reproducing apparatus which can be used vertically.

[0002]

2. Description of the Related Art The loading / unloading (loading / ejection) of a disk of a recording / reproducing apparatus for reading / writing data from / to a disk such as a CD-ROM or the like is performed by a caddy type and a ball chuck type. There is a drawer method using a table or a power load (direct load) method generally used mainly for in-vehicle use. However, in terms of operability, cost, and the like, the tray load method is becoming mainstream except for in-vehicle applications. This tray-loading type recording / reproducing apparatus has a tray on which a disk such as a CD-ROM is mounted and which is provided so as to be able to be taken in and out of a main body cabinet, and a disk mounted on the tray using a head. Reading data between /
Write.

[0003]

The conventional recording / reproducing apparatus is usually used horizontally, but as the recording / reproducing apparatus is used for a variety of applications. It has been demanded that it can be used vertically. In the conventional recording / reproducing device, the drawer system using the caddy type and ball chuck type turntables,
Although it can be used both vertically and vertically, most tray-loading types currently do not support vertical installation due to structural limitations.

[0004] The first object of the present invention, in addition to the horizontal every use, can respond to drive vertically using a low-cost, de
When disc loading is completed, the disc holding means is raised.
The disc holding means does not hit the disc,
There is no adverse effect on the disk rotation drive, and data is
And to provide a recording and reproducing apparatus that can read / write.

A second object of the present invention is to provide a recording / reproducing apparatus capable of retracting the disk pressing means from above the disk when used horizontally and performing the same operation as a normal tray when used horizontally. Is to provide.

A third object of the present invention is to provide an operating body which can retreat the disk pressing means from above the disk when used horizontally and can perform the same operation as a normal tray when used horizontally. It is another object of the present invention to provide a recording / reproducing apparatus.

A fourth object of the present invention is to provide a recording / reproducing apparatus which can smoothly mount a disk on a tray when the apparatus is used vertically.

[0008]

[0009]

A first object of the present invention is to have a tray on which a disk is placed and which is provided so as to be able to be taken in and out of a main body cabinet, and wherein the tray is mounted on the tray by using a head. In a recording / reproducing apparatus for reading / writing data from / to a disc, a disc holding means for holding the disc is provided on the tray,
Place the recording head below the tray, and
The head mounting member to a cushioning material.
And the like, attached to a support member,
Forming a through hole in the tray through which the protruding portion passes.
And the projecting portion projects through the through hole of the tray.
The disc holding means at a position where it is pushed up when
And the head is placed on the tray.
Rises with the head when ascending in the disk direction
Through the through hole of the tray,
Move the disc holding means away from the disc
This is achieved by a first means adapted to be pushed up .

[0010] The second object is the first means, wherein:
The disk holding means is achieved by a second means movably attached to the tray.

[0011] The third object is that, in the second means,
This is achieved by a third means in which the disc holding means is moved in conjunction with the movement of the operating body.

[0012] The fourth object is the first to third means.
In any one of the above means, the present invention is achieved by a fourth means in which a tapered or arcuate guide portion is provided at a contact portion of the disc pressing means with the disc.

[0013]

[0014]

In the first means, since the disc is provided with a disc pressing means for holding the disc on the tray, the CD is held so that the CD does not drop from the tray 3 even when the disc is vertically set. The head is mounted on a tray, which can be used at low cost and can be used vertically for recording and playback devices .
When rising in the disk direction, the protrusion that rises with the head
The protruding part passes through the through hole of the tray and
Did you push it up away from the disc?
When loading the tray, the disc holding means
Since the disc holding means does not hit the disc,
There is no adverse effect on the rotational drive of the disk, and
Ru perform the read / write of data.

In the second means, since the disc holding means is movably attached to the tray, the disc holding means can be retracted from above the disc during horizontal use. Sometimes the same operation as a normal tray is possible.

In the third means, the disc holding means is moved so as to retreat to a portion other than on the disc in the tray in conjunction with the movement of the operating body.
With the operating body, the disc pressing means can be retracted from above the disc when used horizontally, so that the same operation as a normal tray can be performed when used horizontally.

In the fourth means, a tapered or arcuate guide portion is provided at a contact portion of the disc holding means with the disc, so that the disc can be mounted on the tray when used vertically. Can be performed smoothly and the disc is not damaged.

[0018]

[0019]

Embodiments of the present invention will be described below with reference to the drawings.

A first embodiment will be described with reference to FIGS. FIG. 1 is a front view showing a state where a tray of the recording / reproducing apparatus is pulled in, FIG. 2 is an explanatory view showing a state where the tray of the recording / reproducing apparatus is pulled in and the pickup holder is raised, and FIG. FIG. 4 is an enlarged front view of a main part of FIG. 1, FIG. 5 is an enlarged front view of a main part of FIG. 2, and FIG. 6 is a main part of FIG. It is explanatory drawing which expands and shows a part.

In these figures, reference numeral 1 denotes a recording / reproducing apparatus, and the recording / reproducing apparatus 1 is provided with a main body cabinet 2, and a tray 3 is provided in the main body cabinet 2 so as to be freely inserted and removed. A circular concave step is formed on the upper surface of the tray 3 to receive a 12 cm CD4.
A D receiving surface 5 is provided. Further, a small circular concave step is formed substantially concentrically with the CD receiving surface 5 so that an 8 cm CD
A CD receiving surface 6 (not shown) is provided.
Reference numeral 7 denotes a pickup unit (not shown) supported inside a pickup holder 8 to be described later via a cushioning material or the like.
This is an opening through which a turntable 9 which is a disk chucking member provided in a motor mounted on the motor is passed. A clamper and a clamper supporting member (not shown) for chucking the CD 4 in cooperation with the turntable 9 are provided above the tray 3. Also, tray 3
Two CD holding members 11 for holding the CD 4 are provided on both sides behind the opening 7. As shown in FIGS. 2 and 3, the CD holding member 11 includes a base 12 provided to be vertically movable with respect to the tray 3,
A claw portion 13 extending to the D receiving surface 6 is provided. The nail piece 13 may be integral with or separate from the base 12, and the nail piece 13 may be made of resin or metal, and may be coated with a resin at least at a position where the nail piece 13 contacts the CD4. May be prevented from being damaged. An arc-shaped or tapered CD is formed on the lower edge of the tip of the claw piece 13.
A guide portion 13a is formed to make the mounting of the device smooth. The CD holding member 11 has a CD receiving surface 5,
6 is guided by the guide groove 14 in the direction of moving back and forth (the left-right direction in FIG. 1). Although not shown, the CD
CD holding member 11 in the direction of pressing (4 in FIG. 2)
There is provided a biasing means such as a spring member for biasing the spring.

A pickup holder 8 is disposed in the main body cabinet 2 so as to be located below the tray 3. When the tray 3 is taken in and out, the pickup holder 8 is located below as shown in FIG. The tray 3 starts to rise with respect to the upper tray 3 immediately before being completely pulled in. When the tray 3 is completely pulled, the tray 3 stops at the rising position, and on the contrary, when the tray 3 starts to be pulled out, it falls immediately. I have. A pickup unit is supported inside the pickup holder 8 via a buffer material or the like, and a motor (not shown) mounted on the pickup unit is provided with a turntable 9. The turntable 9 is rotated by a motor (not shown) to rotate the chucked CD. Further, the pickup unit is provided with a head (not shown) for reading / writing data from / to a CD. Also, pins 16 and 16 are provided on the upper surface of the pickup holder 8.
When the tray 3 is completely pulled into the main body cabinet 2 and the pickup holder 8 is raised, the pins 16, 16 abut against the base 12 of the CD holding member 11 to move the base 12 and the claw piece 13. It is raised against the spring force of a spring member (not shown).

Next, the operation of the first embodiment will be described. When used horizontally, CD holding member 1
Since 1 is not required, the user directly moves the CD holding member 11 to the left in FIG.
Therefore, it can be used in the same manner as a normal horizontal placement. On the other hand, when used vertically, the CD holding member 11 is advanced to the position shown in FIG. That is, when the user places the CD 4 on the tray 3, the user presses the CD holding member 11.
The CD 4 is inserted below the tip of the claw portion 13 of the tray 3 and set on the CD receiving surface 5 (or 6) of the tray 3 pulled out from the main body cabinet 2. In this state, the claw portion 13 of the CD holding member 11 fixes the set CD 4 by pressing the upper surface of the CD 4 against the CD receiving surface 5 (or 6). Not to be held. Then, the tray 3 is pulled into the main body cabinet 2 and is in the state shown in FIGS. During the pull-in operation of the tray 3, the pickup holder 8 is located below the main body cabinet 2 so that the pins 16, 16 of the pickup holder 8 do not hit the tray 3. When the pickup holder 8 is raised from the state of FIGS. 3 and 6 (tray load),
Pins 16, 16 attached to the upper part of the pickup holder 8
Abuts against the base 12 of the CD holding member 11 and the base 1
2 and the claw piece 13 are raised against the spring force of a spring member (not shown). Then, when the lifting of the pickup holder 8 is completed, as shown in FIGS.
3 is sufficiently separated from the upper surface of the CD 4 so that the claw portion 13 does not hit the CD 4 even if the CD 4 is chucked while being raised as shown in FIG. Therefore, even in the case of the vertical installation, the CD holding member 11 can perform data reading / writing with the CD without any trouble.

In the first embodiment constructed as described above, a CD (disc) 4 is placed, and the tray 3 is provided so as to be able to be taken in and out of the main body cabinet 2. CD4 placed on tray 3 using
In the recording / reproducing apparatus for reading / writing data between the apparatus and the apparatus, a CD holding member (disc holding means) 11 for holding the CD 4 on the tray 3 is provided. Can also be used.

In the first embodiment, the CD
Since the holding member 11 is movably attached to the tray 3, the CD holding member 11 can be moved to a CD when used horizontally.
4 can be retracted from above, so that the same operation as a normal tray can be performed at the time of horizontal use.

In the first embodiment, the CD
A guide portion 13a is provided at a contact portion of the holding member 11 with the CD4.
Is provided, the CD 4 can be smoothly mounted on the tray 3 when used vertically.

In the first embodiment, the head is disposed below the tray 3, and the head is mounted on a pickup unit (not shown). Pickup holder 8
And one or more pins 16 are provided in the pickup holder 8, a through hole is formed in the tray 3 through which the pin 16 passes, and the pin 16 is pushed up when the pin 16 projects through the through hole of the tray 3. A CD holding member 11 is provided, and when the head rises in the direction of the CD 4 placed on the tray 3, the pin 16 that rises with the head is moved to the tray 3.
The CD holding member 11 is pushed up in a direction away from the CD 4 through the through hole of the CD 4, so that the CD holding member 11 can be sufficiently raised when the tray is loaded, and the CD 4
Since the D holding member 11 does not hit, there is no adverse effect on the rotational drive of the CD 4 and data can be read / written with the CD 4.

Next, a second embodiment will be described with reference to FIGS.
This will be described with reference to FIG. 7 is a plan view showing the recording / reproducing apparatus without a main body cabinet, and FIG. 8 is an enlarged vertical sectional view of a main part showing a state where the pickup holder of the recording / reproducing apparatus is being lifted (downward).

In these figures, reference numeral 21 denotes a recording / reproducing device, which is provided with a main body cabinet (not shown), and a tray 23 is provided so as to be able to be taken in and out of the main body cabinet. I have. A circular concave step is formed on the upper surface of the tray 23 to
A CD receiving surface 25 for receiving mCD4 is provided. In addition, a CD receiving surface 26 is formed substantially concentrically with the CD receiving surface 25 and further has a small circular concave step portion for receiving an 8 cm CD (not shown). Although not shown, the tray 23 has a turntable 2 provided on a motor mounted on a pickup unit (not shown) supported via a buffer or the like inside a pickup holder 28 described later.
9 is provided. A clamper and a clamper supporting member (not shown) for chucking the CD4 in cooperation with the turntable 29 are provided on the upper surface of the tray 23.

A CD holding member 31 for holding the CD 4 is provided so as to surround one end of the opening 30 of the tray 23. The CD holding member 31 is movable on the tray 23 by a guide member in the left-right direction of FIG. It is provided in. The CD holding member 31 includes a base 32 having a U-shape in the vertical direction in FIG. 7 and a pair of claw pieces 3 extending on the CD receiving surfaces 25 and 26 so as to gradually approach from both sides of the base 32.
3 and 33 are provided. A guide portion 33a is formed on the lower edge of the tip of the claw portion 33 so as to be bent upward so as to smoothly mount the CD4. Note that the claw piece portion 33 may be integrated with the base portion 32 or may be a separate body.
In addition, the nail piece 33 may be made of resin or metal, and may be coated with a resin at least at a portion in contact with the CD4 to prevent damage to the CD4. 34 is a pin 4 described later.
Reference numeral 6 denotes a through hole to be inserted.

Reference numeral 41 designates a "vertical setting" or "horizontal setting" switching knob provided in front of the tray 23 (left side in FIG. 7).
When the knob 41 is moved to the left in FIG. 7, the CD pressing member 31 is also interlocked in the same direction, and the claw portion 33 advances onto the CD receiving surface 26, and the knob 41 is moved to the left. When moved to the right in FIG. 7, the CD pressing member 31 also moves in the same direction, and the claw portion 33 retreats from the CD receiving surfaces 25 and 26. In this way, when using horizontally, the CD
When the holding member 31 is unnecessary, the CD holding member 31
4 can be evacuated from above. Note that, at the opening edge of the tray 23 from which the knob 41 is projected, a switching position of “vertical” meaning vertical installation and “horizontal” meaning horizontal installation is displayed.

In a main body cabinet (not shown), a pickup holder 28 is provided so as to be located below the tray 23. The pickup holder 28 is located below when the tray 23 is taken in and out.
Begins to rise relative to the upper tray 23 immediately before it is completely retracted, stops at the elevated position in a fully retracted state, and immediately descends when the tray 3 begins to be pulled out. . This pickup holder 2
8, a pickup unit is supported via a buffer material or the like, and a turntable 29 is provided on a motor (not shown) mounted on the pickup unit, and the turntable 29 is rotated by a motor (not shown).
Rotate the chucked CD. The pickup unit includes a head (not shown) for reading / writing data from / to a CD, a head driving member, and the like. Also, the pickup holder 28
Pins 46, 46 are protrudingly provided on the upper surface of the tray 2.
When the pickup holder 28 is lifted by completely retracting the pickup holder 28 into the main body cabinet (not shown), the pins 46,
46 is inserted into the through hole 34, protrudes from the upper surface, abuts against the lower surface of the base of the claw 33, and lifts the claw 33 against the spring force of the claw 33. Thereby, the nail piece part 3
The tip of 3 is raised even more.

Next, the operation of the second embodiment will be described. When used horizontally, the CD holding member 31 is not required, so the user moves the knob 41 attached to the front of the tray 23 to “horizontal”, and the CD holding member 31 moves rightward in FIG. The CD holding member 31 is retracted from above the CD4. Therefore, it can be used in the same manner as a normal horizontal placement. On the other hand, when using it vertically,
When placing the CD4 on the tray 23, the user inserts the CD4 under the tip of the claw portion 33 of the CD holding member 31,
It is set on the CD receiving surface 25 (or 26) of the tray 23. In this state, the claw portion 33 of the CD pressing member 31 presses and fixes the upper surface of the set CD 4 against the CD receiving surface 25 (or 26). The CD 4 is held so as not to drop from the tray 23. When the pickup holder 28 rises from the state shown in FIG.
The pins 46, 46 attached to the upper part lift the claw portion 33 so that the claw portion 33 does not hit the CD even when the CD 4 is chucked. Therefore, even in the case of a vertical installation, the CD holding member 31 can perform data reading / writing with the CD 4 without any trouble.

In the second embodiment constructed as described above, the recording / reproducing apparatus can be installed vertically at low cost, and has a simple structure. And the CD holding member 31
Is moved in conjunction with the movement of the operating body, so that the "vertical setting" and "horizontal setting" switching knobs 41 are used.
Since the trays are retracted from above, the same operation as that of a normal tray can be performed. In the second embodiment,
A tapered or arcuate guide portion 33a is provided at a contact portion of the CD holding member 31 with the CD4, so that the CD4 can be smoothly mounted on the tray 23 when the device is used vertically, and the CD4 is damaged. There is no. In the second embodiment, the head is disposed below the tray 23, and the head is mounted on a pickup unit (not shown) supported on the inside of the pickup holder 28 via a buffer material or the like. Pin 46 on holder 28
And a through hole 34 through which the pin 46 passes is formed in the tray 23, and the CD pressing member 31 is disposed at a position where the pin 46 is pushed up when the pin 46 projects through the through hole 34 of the tray 23. When rising in the direction of the CD 4 placed on the tray 23, the pins 46 rising together with the head push the CD holding member 31 in the direction away from the CD 4 through the through hole 34 of the tray 23, so that the tray loading At this time, the CD holding member 31 is sufficiently raised,
Since the CD pressing member 31 does not hit the CD4, the CD4
Data can be read / written to / from the CD 4 without any adverse effect on the rotational drive of the CD.

Next, a third embodiment will be described with reference to FIGS.
0 will be described. FIG. 9 is a plan view showing the recording / reproducing apparatus, and FIG. 10 is an enlarged vertical sectional view of a main part of the recording / reproducing apparatus.

In the third embodiment, instead of the CD holding members 11 and 31 in the first and second embodiments, an elastic body such as rubber or a ball (or a member which can be retracted) is provided. It is. As shown in these figures,
Walls 51a, 52a of CD receiving surfaces 51, 52 of tray 50
On the upper side (left side in FIG. 10), elastic bodies (or members that can be retracted) 53, 53... Such as rubber or balls are embedded at intervals of approximately 120 degrees. Since the diameter of the circle passing through the tip of the elastic body 53 is set smaller than the diameter of the CD4, the CD4 does not fall from the tray 50 even when the recording / reproducing apparatus is installed vertically, and the CD4 can be fixed and held.

Although three elastic bodies 53 are provided, four or more elastic bodies 53 may be provided.

Next, the operation of the third embodiment will be described. When the user places the CD 54 on the tray 50,
The CD 4 is lightly pushed, passed through the elastic body 53, and placed on the CD receiving surface 51 (or 52) so as to be fitted.
As shown in FIG. 10, the CD 4 is fixed to the CD receiving surface 51 (or 52) of the tray 50 by the elastic body 53. Further, as in the above embodiment, the tray 50 is loaded and the CD is loaded.
When chucking 4, the CD 4 is removed from the elastic bodies 53, 53... By the ascending force of the turntable (that is, moved to the left of the elastic bodies 53, 53.
Chucking is completed. When the tray 50 is ejected, when the turntable descends (rightward in FIG. 10) while completely chucking the CD4, the chucking is released when the CD4 passes through the elastic bodies 53, 53.
The CD 4 is held by the elastic members 53, 53,.

In the third embodiment constructed as described above, the CD 4 is loaded onto the tray 50 by the elastic body 53.
Since the recording / reproducing apparatus is fixed to the receiving surface 51 (or 52), the recording / reproducing apparatus can be used both vertically and horizontally with a simple structure. Is feasible.

[0040]

According to the first aspect of the present invention, since the disc is provided with the disc holding means for holding the disc on the tray, it is possible to cope with the vertical use of the recording / reproducing apparatus at low cost in addition to the horizontal use. , Tray loading
The holding means is raised and the disc is held down.
Since the means does not hit, the rotation of the disk is adversely affected.
Read / write data to / from disk
Can Ru.

According to the second aspect of the invention, in addition to the functions and effects produced by the first aspect of the invention, the disk holding means can be retracted from above the disk when the apparatus is used horizontally, so that the apparatus can be used when the apparatus is used horizontally. The same operation as a normal tray can be performed.

According to the third aspect of the present invention, in addition to the operation and effect produced by the second aspect of the present invention, the disk pressing means can be retracted from above the disk when the operating body is used horizontally. The same operation as a normal tray can be performed at the time of horizontal use.

According to the invention set forth in claim 4, claims 1 to 5
In addition to the functions and effects produced by the third aspect of the present invention, the disk can be smoothly mounted on the tray when used vertically.

According to the fifth aspect of the present invention, the first to fifth aspects are provided.
In addition to the functions and effects produced by the invention of claim 4, the disc pressing means is raised when loading the tray, and the disc pressing means does not hit the disc. Can be read / written.

[Brief description of the drawings]

FIG. 1 is a front view showing a state in which a tray of a first embodiment of a recording / reproducing apparatus according to the present invention is pulled in;

FIG. 2 is an explanatory view showing a state in which the tray of the first embodiment of the recording / reproducing apparatus according to the present invention is completely pulled in and the pickup holder is raised.

FIG. 3 is an explanatory view showing a state in which the pickup holder is lowered before the tray is completely pulled in in the first embodiment of the recording / reproducing apparatus according to the present invention.

FIG. 4 is an enlarged plan view of a main part of FIG. 1;

FIG. 5 is an explanatory view showing an enlarged main part of FIG. 2;

FIG. 6 is an explanatory diagram showing an enlarged main part of FIG. 3;

FIG. 7 is a plan view of a recording / reproducing apparatus according to a second embodiment of the present invention, excluding a main body cabinet.

FIG. 8 is an enlarged vertical sectional view of a main part showing a state in which the pickup holder of the second embodiment of the recording / reproducing apparatus according to the present invention is being lifted (downward).

FIG. 9 is a front view showing a third embodiment of the recording / reproducing apparatus according to the present invention.

FIG. 10 is an enlarged longitudinal sectional view of a main part of a third embodiment of the recording / reproducing apparatus according to the present invention.

[Explanation of symbols]

 2 Body cabinet 3, 23 Tray 4 CD 8 Pickup holder 11, 31 Disc holding member 13 Claw piece 13a, 33a Guide 16, 46 Pin 34 Through hole

Claims (4)

(57) [Claims] 1. A tray on which a disc is placed and which is provided so as to be able to be taken in and out of a main body cabinet,
In a recording / reproducing apparatus for reading / writing data from / to the disc mounted on the tray using a head, a disc holding means for holding the disc on the tray is provided , and the head is provided below the tray.
Arranging and attaching the head to a head attaching member,
Attach head mounting member to support member via cushioning material
The support member is provided with a protrusion, and the protrusion passes through the support member.
A through hole is formed in the tray, and the protrusion is formed in the tray.
At the position where it is pushed up when protruding through the through hole
The disk holding means is provided, and the head
Is raised in the direction of the disk placed on the tray.
The projecting portion that rises with the head is
Through the through hole of the disk holding means
A recording / reproducing apparatus characterized in that it is pushed up in a direction away from a disk . 2. The recording / reproducing apparatus according to claim 1, wherein said disc holding means is movably attached to said tray. 3. The recording / reproducing apparatus according to claim 2, wherein the disc holding means is moved in conjunction with the movement of an operating tool. 4. A recording / reproducing apparatus according to claim 1, wherein a tapered or arcuate guide portion is provided at a contact portion of said disc pressing means with said disc. apparatus.