JP2000268467A - Optical disk recording and reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To record and reproduce a CD, an MD, a DVD and a DVD-RAM by reciprocating the tray store parts of a 12/8 cm disk recording/reproducing part and a 6.4 cm disk recording/reproducing part onto one of both disk recording/reproducing parts. SOLUTION: When the recording/reproducing is over with a disk that is contained in a 12 cm disk cartridge 38 put on a 12/8 cm disk-cum-tray 7, a 12/8 cm disk recording/reproducing part lift member 20 is driven to the left to revolve a 12/8 cm disk recording./reproducing part 2 to turn it down and a turntable of the part 2 is moved down and separated for the disk. Then a tray store part 6 is moved to the left side of an optical disk recording/ reproducing device by a tray store part drive motor and then stopped when a tray store part detection limit switch 41 detects the part 6, in a state that a 12/8/6.4 cm disk-cum-tray 8 is located on the part 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disk recording / reproducing apparatus for recording / reproducing information by placing a disk or disk cartridge on a tray.

[0002]

2. Description of the Related Art As recording media for recording music and video information, there are optical disks such as compact disks (CD) having a diameter of 8 cm and 12 cm and laser disks (LD) having a diameter of 20 cm and 30 cm. As a recording medium in which an optical disk is housed in a cartridge, a diameter of 6.4 c
A mini disk (MD) in which m optical disks are stored in a cartridge and a compact disk read only memory (CD-ROM) in which an optical disk having a diameter of 12 cm is stored in a cartridge are widely used.

At present, recording / reproducing apparatuses capable of recording / reproducing on / from different types of recording media are compatible players capable of reproducing CDs having a diameter of 8 cm and 12 cm and LDs having a diameter of 20 cm and 30 cm,
Play CDs of 8 cm and 12 cm in diameter and 6.4 in diameter
cm compatible optical disc player capable of recording and reproducing MDs containing an optical disc having a length of 0.1 cm in a cartridge.
No. 6489).

On the other hand, recently, a digital versatile disk (DVD) having a diameter of 12 cm in which music information and video information are recorded as digital signals has been distributed.
2. Description of the Related Art A compatible player capable of reproducing a conventional CD, LD, and DVD has appeared. As a development form of the DVD, a digital versatile disk random access memory (DV) in which a 12-cm diameter optical disk capable of rewriting music information and video information is stored in a cartridge.
D-RAM) has been proposed, and in the future, DVD-RA
It is considered that an optical disk that enables recording and reproduction of music information and video information using M will appear.

[0005]

As described above, as described above, C
In addition to D, MD, and DVD, a DVD in which an optical disk is housed in a cartridge to record and reproduce information
-With the advent of RAM, an optical disk recording / reproducing device capable of recording / reproducing these recording media is required.

However, the optical disk recording / reproducing apparatus disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 7-6489 is a DVD-R.
If an attempt is made to mount the AM on the same tray as the CD or MD, the DVD-RAM has a problem that the shutter opening / closing mechanism becomes complicated and large in size because the shutter opening / closing direction is different.

Also, CD and MD and DVD-RAM
Is because the position of the information recording surface of the optical disk is different, and the CD and DVD-RAM (holding the optical disk around the center hole) and the MD (metal plate provided near the central hole of the optical disk) are magnetized. In the case of "holding by suction", the clamping mechanism for rotatably holding the optical disk is complicated because the method of holding the optical disk is different.

Further, since the DVD-RAM can record video information for a long time, an optical disk recording / reproducing device capable of recording video information for a long time is required. In such a case, if the tray on which CDs and MDs can be placed in the optical disk recording / reproducing apparatus disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 7-6489 is a tray on which DVD-RAMs can also be placed, the optical disk recording / reproducing apparatus After taking out the tray from the tray and taking out the DVD-RAM on which the information is recorded, the new DVD-RAM is placed on the tray and stored in the optical disc recording / reproducing apparatus to record and reproduce information. Another problem is that the time required for replacing the DVD-RAM becomes longer.

SUMMARY OF THE INVENTION An object of the present invention is to solve such a conventional problem. In an optical disk recording / reproducing apparatus capable of recording or reproducing a CD, MD, DVD and DVD-RAM, a shutter opening / closing mechanism is provided. Another object of the present invention is to simplify the clamp and the head mechanism and to shorten the time required for replacing the DVD-RAM.

[0010]

SUMMARY OF THE INVENTION The present invention relates to an optical disk recording / reproducing apparatus for recording / reproducing data on / from a disk by mounting the disk or a cartridge containing the disk on a tray. 5. A recording / reproducing unit for a 12 cm / 8 cm disc for reproducing and a recording / reproducing for a 6.4 cm disc.
12 cm / 8c provided with a recording / reproducing unit for a 4 cm disk, a step for mounting a 12 cm disk, a step for mounting a 12 cm disk cartridge, and a step for mounting an 8 cm disk.
m dual-purpose tray, 12 cm disk mounting step, 12 cm disk cartridge mounting step, 8 c
12 cm / 8 cm / 6.4 c provided with an m-disc mounting step and a 6.4 cm disc cartridge mounting step
a tray for holding both the 12-cm / 8-cm disc and the 12-cm / 8-cm / 6.4-cm disc, and a recording / reproducing section for the 12-cm / 8-cm disc or a 6.4-cm disc. By providing a tray storage unit driving means for reciprocating on a disk recording / reproducing unit, a 12 cm / 8c
m disk combined tray and 12cm / 8cm / 6.4cm
A 12 cm disk and an 8 cm disk placed on both of the disk serving trays can be recorded and reproduced.

The recording / reproducing unit for a 6.4 cm disk includes a magnetic head for recording data on a disk housed in a 6.4 cm disk cartridge.
In the 2 cm / 8 cm / 6.4 cm disc tray, the 12 cm disc loading step, the 12 cm disc cartridge loading step, and the 8 cm disc loading step are arranged at the same center position of each disc. When the 6.4 cm disk cartridge is mounted, the stepped end on the shutter opening / closing side and the side end surface on the magnetic head approach side when the 6.4 cm disk cartridge is mounted are mounted on the 12 cm disk cartridge mounted. By being positioned outside the mounting step, 12
cm disc cartridge, 12 cm disc, 8 cm
A shutter opening / closing mechanism, a clamp and a head mechanism for a 6.4 cm disk cartridge mounted on a tray also serving as a disk and a 6.4 cm disk cartridge are simplified.

By doing so, CD, MD,
An exchange time of a DVD-RAM in an optical disk recording / reproducing apparatus capable of recording or reproducing a DVD and a DVD-RAM is reduced.

[0013]

FIG. 1 is a perspective view showing the internal structure of an optical disk recording / reproducing apparatus according to an embodiment of the present invention, FIG. 2 is a perspective view showing a chassis and a recording / reproducing section of the apparatus, and FIG. FIG. 4 is a perspective view showing a 12 cm / 8 cm disc dual purpose tray, and FIG. 5 is a perspective view showing 12 cm / 8 cm /
It is a perspective view which shows a 6.4-cm disk combined use tray.

As shown in FIG. 2, this optical disc recording / reproducing apparatus is located at the center of
An 8 cm disk recording / reproducing unit 2 is provided, and a 6.4 cm disk recording / reproducing unit 3 is provided on the right side thereof. 5. The recording / reproducing units 2 and 6 for the 12 cm / 8 cm disc.
A tray on which a disc and a disc cartridge are placed is provided above the recording / reproducing section 3 for a 4 cm disc.

Recording / reproducing unit 2 for 12 cm / 8 cm disc
In the upper part of FIG. 4, a 12 cm disc, a 12 cm disc cartridge and an 8 cm disc can be placed.
The 12 cm / 8 cm disc dual purpose tray 7 is provided as shown in FIG.
12cm disk, 12cm disk cartridge and 8
12 cm / 8 cm / cm, as shown in FIG. 5, capable of mounting a cm disc and a 6.4 cm disc cartridge.
A 6.4 cm disc dual purpose tray 8 is provided.

The 12-cm / 8-cm disc dual-purpose tray 7 and the 12-cm / 8-cm / 6.4-cm dual-purpose tray 8 are mounted on a tray storage section 6 provided at the upper part of the apparatus as shown in detail in FIG.

As shown in FIG. 1, two tray accommodating portion support shafts 4 are attached to the receiving portions 1a provided at two positions on the left and right sides of the upper portion of the chassis 1 in a horizontal direction of the apparatus. Receiving portions 6a provided on the left and right of the upper portion of the tray storage portion 6 are slidably fitted to the two tray storage portion support shafts 4, and the tray storage portion 6 is connected to the tray storage portion support shaft 4.
Along the right and left. Front receiving part 6a
Is formed by erecting the tray storage section 6, and the rear receiving section 6
a is provided on a rack gear portion 6b attached to the rear portion of the tray storage portion 6, as shown in FIG.

At the rear of the chassis 1, a rack gear 6b
And a tray storage section drive motor 1 for driving the tray storage section and a tray storage section drive gear 1b. In addition, a tray storage section detection limit switch 41 for detecting the movement of the tray storage section 6 to the horizontal movement limit position (predetermined position) is provided near the left and right front receiving sections 1a of the chassis 1.

As shown in FIG. 3, the tray housing section 6 has a relief section 6c for accommodating a 12 cm / 8 cm disc tray 7 in its left area, and 12 cm / 8 in its right area.
An escape portion 6d for accommodating the cm / 6.4 cm disc / purpose tray 8 is formed. The side walls of the escape portions 6c and 6d are provided with tray holding grooves 6e that open inward. Escape part 6
In the rear portion on the right side of FIG. 6d, when a 12 cm / 8 cm / 6.4 cm disc / multi-purpose tray 8 on which a 6.4 cm disc cartridge is mounted is loaded into the escape portion 6d, the 6.4 cm disc is loaded.
6.4 cm disk cartridge unlocking member 6f for unlocking the shutter of the cm disk cartridge
And a 6.4 cm disc cartridge shutter opening / closing member 6g for opening and closing the shutter of the 6.4 cm disc cartridge when the 12 cm / 8 cm / 6.4 cm disc dual purpose tray 8 is carried in and out of the escape portion 6d.

As shown in FIG. 4 and FIG. 5, the 12 cm / 8 cm disc serving tray 7 and the 12 cm / 8 cm / 6.4 cm serving tray 8 are provided on the upper surface thereof.
12 cm disc cartridge stepped portions 7 a and 8 a on which a cm disc cartridge is placed, and inside thereof,
It has step portions 7b and 8b for a 12cm disc on which a 12cm disc is placed, and further has step portions 7c and 8c for an 8cm disc on which an 8cm disc is placed. The vertical position of each of these steps is 12 cm / 8 cm
Disc tray 7 and 12cm / 8cm / 6.4
12 cm disc cartridge steps 7a, 8a, 12cm disc steps 7b, 8b, 8cm disc steps 7 with respect to the upper surface of the cm disc tray 8.
c, and 8c. Further, the horizontal position of each of these steps is 12c corresponding to each of the steps.
When the m disk cartridge, the 12 cm disk, and the 8 cm disk are placed, the center positions of the disks are made equal.

The 12 cm / 8 cm disc dual purpose tray 7 and the 12 cm / 8 cm / 6.4 cm disc dual purpose tray 8 have a width from the center to the rear end.
The recording / reproducing unit 2 for a 2 cm / 8 cm disk has openings 7 d and 8 d for moving a recording / reproducing head close to the 12 cm disk or 8 cm disk in order to perform recording / reproducing.

Further, a step portion 8i for a 6.4 cm disc cartridge on which a 6.4 cm disc cartridge is placed is provided on the rear right side of the 12 cm / 8 cm / 6.4 cm disc serving tray 8. A head for the 6.4 cm disk recording / reproducing unit 3 to perform recording / reproducing on the 6.4 cm disk is provided from the center to the right end of the step portion 8 i for the 6.4 cm disk cartridge. Opening 8 for moving close to
e. When the 6.4 cm disk cartridge is mounted, the side edge of the shutter opening / closing side and the side edge of the recording / reproducing head approach side have a step height of 12 cm. It is located outside the portion 8a.

The 12-cm / 8-cm disc dual-purpose tray 7 and the 12-cm / 8-cm / 6.4-cm dual-purpose tray 8 are provided with ridges 7f, 8f at both right and left edges thereof.
The ridges 7f, 8f are connected to the escape portions 6c, 6 of the tray storage portion 6.
By inserting the tray holding groove 6e formed in the side wall of the disk d, the trays 7 and 12 for both the 12 cm / 8 cm discs are used.
The cm / 8 cm / 6.4 cm disc / multi-purpose tray 8 is slid in the escape portions 6c and 6d of the tray storage portion 6 in the front-rear direction so as to be capable of being carried in and out.

Also, a 6.4 cm disk cartridge unlocking member 6f for opening and closing a 6.4 cm disk cartridge shutter and a 6.4 cm disk cartridge shutter are provided at the right edge of the 12 cm / 8 cm / 6.4 cm disk dual purpose tray 8. A groove 8z is provided to allow the opening / closing member 6g to enter.

FIG. 6 is a perspective view showing a state in which the 12 cm / 8 cm disc / purpose tray 7 and the 12 cm / 8 cm / 6.4 cm disc / purpose tray 8 are attached to the tray housing 6.

In the left front part of the tray storage part 6, 12 cm
12cm / 8 for driving the / 8cm disc dual purpose tray 7
cm disk combined tray drive motor 9 and gears 10, 11
And by driving a rack gear 7g provided on the left side surface of the 12 cm / 8 cm disc / purpose tray 7,
The disc and disc cartridge placed on the cm / 8 cm disc tray 7 are carried in and out of the apparatus.

In the right front part of the tray storage part 6, 1
A 12 cm / 8 cm / 6.4 cm disc / tray drive motor 12 for driving the 2 cm / 8 cm / 6.4 cm disc / multi tray 8 and gears 13 and 14 are provided.
By driving a rack gear 8g provided on the right side of the 8 cm / 6.4 cm disc / multi-purpose tray 8, the 12 cm / 6.4 cm
The disc and the disc cartridge placed on the 8 cm / 6.4 cm disc dual-purpose tray 8 are carried in and out of the apparatus.

On the upper surface of the tray storage section 6, 12 cm / 8
cm disc tray 7 and 12cm / 8cm /
A clamper for allowing a 12 cm, 8 cm disk or 12 cm disk cartridge loaded on the 6.4 cm disk dual purpose tray 8 and conveyed into the tray storage unit 6 to enter a 12 cm / 8 cm disk recording / reproducing unit 2 for entering the clamper. Holes 6h and 6i are provided in the 12cm / 8cm disc dual purpose tray 7 and 12cm / 8cm / 6.4c.
It is provided so as to correspond to the carry-in position of the m-disk combined tray 8. Then, behind the clamper entry holes 6h and 6i, 1
2cm / 8cm disc combined tray 7 and 12cm /
1 placed on 8cm / 6.4cm disc combined tray 8
There are provided 12 cm disk cartridge shutter opening / closing claws 15 and 16 for opening and closing the shutter of the 12 cm disk cartridge when the 2 cm disk cartridge is carried into and out of the tray storage section 6, and 12 cm disk cartridge shutter opening / closing arms 17 and 18. The 12 cm disk cartridge shutter opening / closing claws 15, 16 are provided with opening / closing claw moving grooves 6j, 6k provided behind the clamper entry holes 6h, 6i.
It is mounted so as to move inside and projects into the escape portions 6c and 6d.

The 12 cm disk cartridge shutter opening / closing arm 17 is provided with a clamper entrance hole 6 h of the tray housing 6.
Rotatably attached to the left rear of the by a post 17a,
12cm disk cartridge shutter opening / closing arm 18
Is rotatably attached to the left rear of the clamper entry hole 6i of the tray storage unit 6 by a post 18a. In addition, this 1
2 cm disk cartridge shutter opening / closing arm 17,
Reference numeral 18 includes elongated holes 17b and 18b, and engages convex portions 15a and 16a formed at the tips of the 12 cm disk cartridge shutter opening and closing claws 15 and 16, respectively. The 12 cm disk cartridge shutter opening / closing arms 17, 18 are connected at their bases to spring support portions 61, 6 m of the tray storage unit 6 by springs 17 c, 18 c to open / close the 12 cm disk cartridge shutter opening / closing claws 15, 16. 6j and 6k are urged toward the front end.

As shown in FIG. 3, a 12 cm disk cartridge guide 6n is provided on the left and right upper wall surfaces of the escape portions 6c and 6d, and a 12 cm / 8 cm disk shared tray 7 and a 12 cm / 8 cm / 6.4 cm disk shared tray. Escape part 6
Guides the upper surface of the 12 cm disc cartridge when carrying it into c and 6d.

Further, as shown in FIG. 6, a 12 cm / 8 cm / cm 2
A 6.4 cm disc cartridge guide member 19 is provided to guide the upper surface of the 6.4 cm disc cartridge when the 6.4 cm disc cartridge is loaded on the 6.4 cm disc tray 8 and loaded into the escape portion 6d. This 6.4 disc cartridge guide member 19 is
The inside of the guide groove 6o provided in the tray storage section 6 is slidably mounted in the front-rear direction, and is urged forward by a spring 6p.
The 6.4 disk cartridge guide member 19
Is 12cm / 8cm for 12cm disc cartridge
When it is placed on the /6.4 cm disc shared tray 8 and loaded into the escape portion 6d, it is pushed by the end of the 12 cm disc cartridge and moves rearward along the guide groove 6o.

As shown in FIG. 3, the tray storage section 6 is located at a position behind the escape section 6d at a position of 12 cm / 8 cm / 6.4 cm.
A 6.4 cm disc cartridge detection switch 6q is provided to determine whether a 6.4 cm disc cartridge is loaded when the disc tray 8 is carried into the escape portion 6d.

FIG. 7 is a perspective view of the recording / reproducing section 2 for a 12 cm / 8 cm disk.

The recording / reproducing section 2 for a 12 cm / 8 cm disc is a turntable 2 for a 12 cm / 8 cm disc.
a and spindle motor 2 for 12cm / 8cm disk
b and a 12 cm / 8 cm disc pickup 2 c. Pickup 2c for 12cm / 8cm disc
Is supported on a guide shaft 2e provided on a base 2d, and is 12 cm / 8 cm by a feed motor (not shown).
It moves in the radial direction of the disk turntable 2a.

Recording / reproducing unit 2 for 12 cm / 8 cm disc
The base 2d is provided with a hole 2f at its rear end, connected to a hole 1d provided in a support portion 1c standing upright on the rear of the chassis 1 with a pin (not shown), and centering on the pin fitted into the hole 1d. The recording / reproducing unit 2 for a 12 cm / 8 cm disc is rotatably supported. Base 2d is 12cm / 8cm
A pin 2g for positioning with respect to the disk recording / reproducing unit 2 is provided.

The chassis 1 has a size of 12 cm / 8 cm.
A recording / reproducing unit lifting member 20 for a disk is provided. This 12
The recording / reproducing unit lifting / lowering member 20 for a cm / 8 cm disk is mounted movably in the lateral direction of the apparatus by fitting a long hole 20a into a convex portion 1f raised on the chassis 1.
The chassis 1 is provided with a 12 cm / 8 cm disk recording / reproducing unit elevating member detection limit switch 42 for detecting the movement of the 12 cm / 8 cm disk recording / reproducing unit elevating member 20 to a limit position (predetermined position) in the apparatus lateral direction. .

At the front of the recording / reproducing unit lifting / lowering member 20 for a 12 cm / 8 cm disk, a groove 20 rising obliquely upward is provided.
b, and is engaged with the convex portion 2z provided on the front portion of the base 2d of the recording / reproducing section 2 for a 12 cm / 8 cm disc. On the left side of the 12 cm / 8 cm disk recording / reproducing unit elevating member 20 on the chassis 1, a 12 cm / 8 cm disk recording / reproducing unit elevating member driving motor 21 for driving the 12 cm / 8 cm disk recording / reproducing unit elevating member 20 and a gear are provided. 2
2 and 23, and drives a rack gear portion 20c provided on the left portion of the recording / reproducing portion lifting / lowering member 20 for a 12cm / 8cm disk. Accordingly, when the recording / reproducing unit lifting / lowering member 20 for the 12 cm / 8 cm disk is moved left and right by the drive motor 21 for the recording / reproducing unit for the 12 cm / 8 cm disk and the gears 22, 23, the recording / reproducing unit 2 for the 12 cm / 8 cm disk is moved. Rotates around the pins inserted into the holes 1d and 2f and moves up and down (undulates).

At the center rear of the chassis 1, as shown in FIG.
An L-shaped clamper arm 25 having a clamper 24 attached to the distal end for holding the / 8 cm disc turntable 2a is provided. FIG. 16 is a vertical sectional side view of this part, and FIG. 44 is a perspective view of the clamper arm 25.

As shown in FIG. 16, the clamper arm 25 has convex portions 2 provided on both sides of an end opposite to the clamper 24.
5a is a clamper arm supporting portion 1 which is erected at the center rear of the chassis 1 so as to sandwich the clamper arm 25 from both sides.
h so as to be slidably fitted in the vertical groove 1i. Between the lower portion of the clamper arm support portion 1h located on both sides of the clamper arm 25 and the convex portion 25a, a clamper arm urging spring 26 for urging the clamper arm 25 to pull down the apparatus is provided.

As shown in FIG. 7, an elevating cam 20d for raising and lowering the clamper arm 25 with respect to the 12cm / 8cm disk recording / reproducing unit 2 is provided at the rear of the 12cm / 8cm disk recording / reproducing unit elevating member 20. As shown in FIG. 44, the clamper arm 25 is provided with a cylindrical convex portion 25b at the lower end on the convex portion 25a side, and the convex portion 25b is pushed up against the clamper arm urging spring 26 by the elevating cam 20d. The 12 cm / 8 cm disc turntable 2 a provided in the 12 cm / 8 cm disc recording / reproducing unit 2 can be moved up and down.
The clamper arm 2 is moved by moving the recording / reproducing unit lifting / lowering member 20 for the 12 cm / 8 cm disk in the lateral direction of the apparatus.
5 goes up and down.

FIG. 8 is a perspective view of the recording / reproducing section 3 for a 6.4 cm disk. The recording / reproducing unit 3 for a 6.4 cm disc includes a 6.4 cm disc turntable 3 a,
A spindle motor 3b for a 6.4 cm disk, and 6.4 cm
cm disc pickup 3c. 6.4cm
The disc pickup 3c is supported by a guide shaft 3e provided on a base 3d, and is driven by a feed motor (not shown) to a 6.4 cm disc turntable 3a.
Move in the radial direction.

A hole 3f is provided at the rear of the base 3d of the recording / reproducing section 3 for a 6.4 cm disk, and the hole 3f is connected to a hole 1k provided in a support 1j standing upright on the chassis 1 by a pin (not shown). The recording / reproducing section 3 for a 6.4 cm disk is rotatably supported about a pin.

At the front of the recording / reproducing section 3 for a 6.4 cm disk, a recording / reproducing section elevating member 27 for a 6.4 cm disk is provided. The recording / reproducing unit elevating member 27 for a 6.4 cm disk is, like the recording / reproducing unit elevating member 20 for a 12 cm / 8 cm disk, fitted with a long hole 27 a in a protruding portion 11 erected on the chassis 1. Attached so that it can be moved laterally. The chassis 1 is provided with a 6.4 cm disk recording / reproducing unit lifting / lowering member detection limit switch 43 for detecting the movement of the 6.4 cm disk recording / reproducing unit lifting / lowering member 27 to the movement limit position (predetermined position) in the device lateral direction. .

On the left side of the recording / reproducing section 3 for the 6.4 cm disk of the chassis 1, when the 12 cm / 8 cm / 6.4 cm disk / combination tray 8 is carried into the escape section 6 d of the tray housing section 6, A disk sensor 46 for detecting whether the disk placed on the 8 cm / 6.4 cm disk dual-purpose tray 8 is a 12 cm disk cartridge, a 12 cm disk, or an 8 cm disk is provided. This disk sensor 46 is 12 cm / 8 cm /
12 placed on a 6.4 cm disc dual purpose tray 8
The disc surface of the 12 cm disc or the bare 12 cm disc and the 8 cm disc in the cm disc cartridge is irradiated with light, and based on the reflected light, 12 cm / 8 cm
The presence / absence of a 12 cm disk or an 8 cm disk on the /6.4 cm disk dual purpose tray 8 is detected. That is,
The disk sensor 46 is 12 cm / 8 cm / 6.4 cm
It detects that a disc other than the 6.4 cm disc is placed on the disc tray 8.

A groove 27b that rises obliquely upward is provided at the rear of the recording / reproducing unit lifting member 27 for a 6.4 cm disk, and a projection 31 provided at the front of the base 3d of the 6.4 cm disk recording / reproducing unit 3. To be engaged. A 6.4 cm disk recording / reproducing unit lifting / lowering member drive motor for driving the 6.4 cm disk recording / reproducing unit lifting / lowering member 27 on the chassis 1 is provided on the left side of the 6.4 cm disk recording / reproducing unit lifting / lowering member 27 on the chassis 1. 28 and gears 29 and 30, and drives a rack gear 27c provided on the left side of the 6.4 cm disk recording / reproducing unit elevating member 27. Therefore, 6.4
The recording / reproducing unit lifting / lowering member 27 for a cm disk is composed of a recording / reproducing unit lifting / lowering member driving motor 28 and a gear 2
When the recording / reproducing unit 3 for a 6.4 cm disk is moved left and right by being driven by the actuators 9 and 30, the disk recording / reproducing unit 3 rotates about the pins inserted into the holes 1k and 3f and moves up and down (undulates).

FIGS. 9 and 10 are perspective views showing the recording / reproducing section 3 for a 6.4 cm disk. The 6.4 cm disk pickup 3c is provided with a magnetic head arm support 3y.
Is provided. A magnetic head arm 3x is attached to the magnetic head arm support 3y so as to be rotatable (undulating) with respect to the magnetic head arm support 3y, and a magnetic head 3w attached to the distal end of the magnetic head arm 3x is mounted on the magnetic head arm 3x. .4
6.4c mounted on turntable 3a for cm disk
The m disk is moved up and down. A spring 3 is provided between the magnetic head arm 3x and the magnetic head arm support 3y.
j is provided.

The base 3d is provided with guide portions 3i located on both side ends of the support portion (portion of the hole 3f), and the head arm elevating drive member 3t is slidably disposed between the guide portions 3i. The head arm lifting / lowering drive member 3t fits along the base 3d by fitting the convex portions 3p provided on both sides into the grooves 3h formed in the guide portions 3i and sandwiching the guide members 3i between the step portions 3o. To slidably engage. A rack gear 3 is provided on the upper surface of the head lifting / lowering driving member 3t.
n, and a head arm elevating drive motor 3z provided on the base 3d is slid by driving through a gear 3r, and an arc-shaped contact formed on the magnetic head arm 3x by a cam surface 3s formed on the upper surface. Part 3
x 'is pushed up against the spring 3j to drive the magnetic head arm 3x up and down.

FIGS. 11 and 12 are external perspective views of the optical disk recording / reproducing apparatus. FIG. 12 shows 12 cm /
8cm disk combined tray 7 and 12cm / 8cm / 6.
This shows a state in which the 4 cm disc dual-purpose tray 8 has been carried out.

The front panel 31 is provided with a discharge port 32 for carrying in and out a 12 cm / 8 cm disc / purpose tray 7 and a 12 cm / 8 cm / 6.4 cm disc / purpose tray 8. The discharge port 32 is covered with an openable door 33. I have. Also,
The front panel 31 has an eject button 34 for carrying out / in operation of the 12 cm / 8 cm disc dual purpose tray 7.
And 12cm / 8cm / 6.4cm disc combined tray 8
An eject button 35 for performing the loading / unloading operation of the device is provided.

Next, the operation of the optical disk recording / reproducing apparatus will be described.

FIGS. 13 to 16 are a perspective view, a top view and a side view showing an internal structure of the optical disk recording / reproducing apparatus in an initial state.

As shown in FIG. 6, the tray storage section 6 is located in the right side area of the apparatus, and the 12 cm / 8 cm disc / multipurpose tray 7 stored in the tray storage section 6 is 12 cm / 8.
12 cm / cm.
8cm / 6.4cm disc combined tray 8 is 6.4cm
It is located above the disk recording / reproducing unit 3. Also, 1
The recording / reproducing unit elevating member 20 for the 2 cm / 8 cm disk and the recording / reproducing unit elevating member 27 for the 6.4 cm disk are moved to the left, and therefore, the recording / reproducing unit 2 for the 12 cm / 8 cm disk and the 6.4 cm disk. Recording / playback unit 3
Is in a low position, rotating down.

From this initial state, first, as shown in FIG. 18, a 12 cm disk cartridge 38 is mounted on the left 12 cm / 8 cm disk dual-purpose tray 7, and as shown in FIG. 6.4cm disc cartridge 3 in the tray for .4cm disc 8
The case where recording / reproduction is performed with 9 mounted thereon will be described.

When the eject button 34 is pressed, the tray drive motor 9 for 12 cm / 8 cm disc shown in FIG.
Drives the rack gear 7g via the gears 10 and 11,
Take out the 2cm / 8cm disc dual purpose tray 7 forward,
The discharge limit is detected by a tray detection limit switch (not shown) and the operation is stopped. FIG.
FIG. 4 is a perspective view showing a state in which a 2 cm / 8 cm disc / purpose tray 7 is carried out forward and a recording medium can be placed on the 12 cm / 8 cm disc / purpose tray 7.

In this state, as shown in FIG.
The 12 cm disc cartridge 38 is placed on the 12 cm / 8 cm disc dual purpose tray 7 and the eject button 34
When the button is pressed, the 12 cm / 8 cm disc / multi-purpose tray drive motor 9 rotates to carry the 12 cm / 8 cm disc / multi-purpose tray 7 into the tray storage section 6. The 12 cm disk cartridge 38 has a shutter 38a.

FIGS. 19 to 21 are top views of the tray storage portion showing a state in which the 12 cm / 8 cm disk dual-purpose tray 7 on which the 12 cm disk cartridge 38 is mounted is loaded into the tray storage portion 6. The 12 cm disk cartridge 38 is used for the 12 cm / 8 cm disk tray 7.
When it is placed in the tray storage unit 6, the upper surface thereof is guided by a 12-cm disk cartridge guide unit 6n as shown in FIG. Then, as shown in FIG. 19, the shutter 38 of the 12 cm disc cartridge 38 is used.
a is a 12 cm disk cartridge shutter opening / closing claw 15
When the shutter 38a is brought into a position where
Engage with the 2 cm disk cartridge shutter opening / closing claw 15. Thereafter, as shown in FIG. 20 and FIG.
When the 2 cm disk cartridge shutter opening / closing claw 15 is pressed according to the degree of carrying in of the 12 cm disk cartridge 38 in a state where the claw 15 is engaged with the shutter 38a, the 12c
12 cm disk cartridge shutter opening / closing arm 17 supporting m disk cartridge shutter opening / closing claw 15
At the same time, it retreats along the opening / closing claw moving groove 6j, and the 12 cm disk cartridge shutter opening / closing claw 15 moves leftward to open the shutter 38a.

Tray 7 for 12 cm / 8 cm disc
When the disc in the 12 cm / 8 cm disc cartridge 38 is carried into the 12 cm / 8 cm disc recording / playback section 2 when the disc is carried into the 12 cm / 8 cm disc recording / playback section 2, the tray detection limit switch (not shown) is turned on. When this is detected, the loading of the 12 cm / 8 cm disc dual purpose tray 7 is stopped.

Next, the motor 21 for driving the recording / reproducing unit for the 12 cm / 8 cm disk shown in FIG.
The recording / reproducing unit lifting / lowering member 20 for 12 cm / 8 cm disk is driven via 23 to move the recording / reproducing unit lifting / lowering member 20 for 12 cm / 8 cm disk to the right.

FIGS. 22 to 24 are side views showing the process of clamping a 12 cm disk in the 12 cm disk cartridge 38. FIG. FIG. 25 shows the recording / reproducing unit 2 for a 12 cm / 8 cm disc in the clamping process shown in FIG.
FIG. 26 is a perspective view showing the posture of the recording / reproducing unit 2 for a 12 cm / 8 cm disc when the clamping shown in FIG. 24 is completed.

When the 12 cm / 8 cm disk recording / reproducing unit elevating member 20 moves rightward, first, the elevating cam 20
Since the lower part of d supports the projection 25b of the clamper arm 25, the clamper arm 25 is pulled by the clamper arm biasing spring 26 and descends along the vertical groove 1i of the clamper arm support 1h. When the recording / reproducing unit lifting / lowering member 20 for the 12 cm / 8 cm disk moves further rightward, as shown in FIGS. 23 and 24, the convex portion 2z engaged with the groove 20b is pushed up along the inclination of the groove 20b. The recording / reproducing unit 2 for a 12 cm / 8 cm disc has a hole 1
It rotates to a substantially horizontal state so that it rises around the pin fitted to d and 2f.

At this time, the pin 2g provided in the recording / reproducing section 2 for the 12cm / 8cm disc is inserted through the relief hole 7h provided in the tray 7
By inserting the disc cartridge 38 into the 12 cm
It is positioned with respect to the recording / reproducing section 2 for a / 8 cm disc. Further, by raising the 12 cm / 8 cm disk turntable 2 a, the disk in the 12 cm disk cartridge 38 is pushed up in the direction of the clamper 24 to clamp the disk, and the disk can be recorded and reproduced. Become.

Next, 12 cm / 8 cm /
A case in which a 6.4 cm disc cartridge 39 is placed on the 6.4 cm disc dual purpose tray 8 for recording and reproduction will be described.

In the initial state shown in FIGS. 13 to 16, when the eject button 35 is pressed, the state shown in FIG.
A cm / 8 cm / 6.4 cm disc / tray drive motor 12 drives a rack gear 8 g via gears 13 and 14 to unload the 12 cm / 8 cm / 6.4 cm disc / tray 8, and a tray detection limit switch (not shown)
Then, the discharge limit (predetermined position) is detected and the operation is stopped. FIG. 27 thus shows 12 cm / 8 cm / 6.4 cm
The disc tray 8 is carried out to the front and the 12 cm / 8
FIG. 3 is a perspective view showing an internal structure in a state where a recording medium can be placed on a cm / 6.4 cm disc / multipurpose tray 8.

In this state, as shown in FIG.
When the 6.4 cm disc cartridge 39 is placed on the 12 cm / 8 cm / 6.4 cm disc combined tray 8 and the eject button 35 is pressed, the 12 cm / 8 cm / 6.4 c
The disk drive tray drive motor 12 rotates to 12c
The m / 8 cm / 6.4 cm disc / purpose tray 8 is carried into the tray storage section 6. As shown in FIGS. 45 and 46, the 6.4 cm disc cartridge 39 includes a shutter 39a, a positioning hole 39b, a groove 39c, and a shutter opening / closing hole 39d.

FIGS. 29 to 31 show a 12 cm / 8 cm / 6.4 c with a 6.4 cm disc cartridge 39 mounted thereon.
3 shows a state in which the m-disk combined tray 8 is carried into the tray storage section 6. When the 6.4 cm disc cartridge 39 is placed on the 12 cm / 8 cm / 6.4 cm disc dual purpose tray 8 and is loaded into the tray storage section 6, the upper surface of the 6.4 cm disc recording / reproducing section 3 is closed. It moves while being guided by the 6.4 cm disc cartridge guide 19.

Then, the 6.4 cm disk cartridge shutter unlocking member 6 f enters the groove 39 c of the 6.4 cm disk cartridge 39, and the 6.4 cm disk cartridge shutter opening / closing member 6 g moves the shutter 39.
The shutter 39a is opened by engaging with the hole 39d of a. The position where the 12 cm / 8 cm / 6.4 cm disc dual-purpose tray 8 is carried over the 6.4 cm disc recording / reproducing unit 3, and the disc in the 6.4 cm disc cartridge 39 is mounted on the 6.4 cm disc recording / reproducing unit 3. Is reached, a tray detection limit switch (not shown) detects this and stops loading of the 12 cm / 8 cm / 6.4 cm disc / multi-purpose tray 8.

In this state, the 6.4 cm disc cartridge detection switch 6q provided in the tray storage section 6
The end of the 6.4 cm disc cartridge 39 is pushed and turned on (detecting that the 6.4 cm disc cartridge 39 is mounted).

FIGS. 32 and 33 are side views showing a process in which the 6.4 cm disk cartridge 39 is mounted on the 6.4 cm disk recording / reproducing unit 3. FIG. FIG.
Is a perspective view showing the attitude of the 6.4 cm disk recording / reproducing unit 3 in the state shown in FIG. 32, and FIG. 35 is a view showing the attitude of the 6.4 cm disk recording / reproducing unit 3 in the state shown in FIG. 33 (when mounting is completed). It is a perspective view.

When the 12-cm / 8-cm / 6.4-cm disc dual-purpose tray 8 on which the 6.4-cm disc cartridge 39 is placed is loaded into the tray storage section 6 to a predetermined position and a tray detection limit switch (not shown) is activated,
The 6.4 cm disk recording / reproducing unit lifting / lowering member drive motor 28 shown in FIG. 8 moves the 6.4 cm disk recording / reproducing unit lifting / lowering member 27 to the right via gears 29 and 30. When the 6.4 cm disk recording / reproducing unit elevating member 27 moves rightward, the projection 31 of the 6.4 cm disk recording / reproducing unit 3 engages with the groove 27 b of the 6.4 cm disk recording / reproducing unit elevating member 27. Is pushed up along the slope of the groove 27b, and the 6.4 cm disk recording / reproducing unit 3 rotates so as to rise up around the pins inserted into the holes 3f and 1k.

When the recording / reproducing unit 3 for a 6.4 cm disk is rotated so as to rise, the pins 3g of the recording / reproducing unit 3 for a 6.4 cm disk are moved to 12 cm / 8 cm / 6.4 cm.
The 6.4 cm disc cartridge 39 is inserted into the hole 39 b of the 6.4 cm disc cartridge 39 by passing through the clearance hole 8 h formed in the disc tray 8 and the 6.4 cm disc cartridge 39 is inserted into the hole 39 b.
The positioning is performed with respect to the recording / reproducing unit 3 for the m disk. In addition, the 6.4 cm
The turntable 3a for m disk also rises to 6.4cm
The 6.4 cm disc in the disc cartridge 39 is pushed up, and the 6.4 cm disc turntable 3 a is pushed.
The magnet (not shown) provided in the above-mentioned state attracts the plate of the 6.4 cm disc and clamps the 6.4 cm disc, so that the 6.4 cm disc can be recorded and reproduced.

Next, a case where a 12 cm disk or an 8 cm disk is placed on the 12 cm / 8 cm disk serving tray 7 on the left side of the apparatus for recording and reproducing will be described.

FIGS. 36 to 38 show the tray storage section 6 showing the process of placing the 12 cm disc 37 on the 12 cm / 8 cm disc dual purpose tray 7 and carrying it into the apparatus.
FIG. 2 is a perspective view and a top view of an 8 cm disk / shared tray 7.

When the eject button 34 is pressed, the state shown in FIG.
As shown in FIG. 6, the tray drive motor 9 for 12 cm / 8 cm disc is used to drive the rack gear 7 g via the gears 10 and 11.
Is driven to unload the 12 cm / 8 cm disc dual-purpose tray 7 and stopped by the tray detection limit switch. In this state, the 12 cm / 8 cm disc tray 7
cm disk 37 and eject button 34 again
When the is pressed, the 12 cm / 8 cm disc / multi-purpose tray drive motor 9 drives the rack gear 7 g in the opposite direction to carry the 12 cm / 8 cm multi-purpose disc tray 7 into the tray storage section 6 as shown in FIGS. 37 and 38. At this time, 1
12 placed on a 2 cm / 8 cm disc dual purpose tray 7
cm disc 37 is 12 cm provided in tray storage unit 6.
Disc cartridge guides 6n (see FIG. 3) and 1
The 2 cm disk cartridge shutter opening / closing claw 15 is prevented from contacting.

A 12 cm / 8 cm disc dual-purpose tray 7 is loaded onto the 12 cm / 8 cm disc recording / reproducing unit 2, and a tray detection limit switch (shown in the drawing) at the position where the 12 cm disc 37 is mounted on the 12 cm / 8 cm disc recording / reproducing unit 2. (Omitted) and stops.

Thereafter, the 12 cm disc cartridge 3
8, similarly to when 8 is mounted, the recording / reproducing unit lifting / lowering member drive motor 21 for 8 cm disk drives the recording / reproducing unit lifting / lowering member 20 for 12 cm / 8 cm disk to lower the clamper 24 together with the clamper arm 25, Further, the 12 cm / 8 cm disc recording / reproducing unit 2 is rotated in the rising direction to raise the 12 cm / 8 cm disc turntable 2 a, thereby clamping the 12 cm disc 37 to a recordable / reproducible state.

The same applies to the case where an 8 cm disk is placed on the 12 cm / 8 cm disk dual purpose tray 7 for recording and reproduction.

Next, a 12 cm / 8 cm disc / purpose tray 7 on the left side of the apparatus and a 12 cm / 8 cm / 6.4 c on the right side of the apparatus.
A case will be described in which a 12 cm disk cartridge 38 is mounted on both the m-disk combined tray 8 and the 12 cm / 8 cm disk recording / reproducing unit 2 continuously performs recording and reproduction.

In the initial state shown in FIGS.
When the eject buttons 34 and 35 are pressed, as shown in FIGS. 12 and 39, the tray driving motor 9 for 12 cm / 8 cm disc and the tray driving motor 12 for 12 cm / 8 cm / 6.4 cm disc rotate to 12 cm / 8c.
m disk combined tray 7 and 12cm / 8cm / 6.4c
The m-disk combined tray 8 is carried out.

FIG. 39 shows a state in which 12 cm /
8cm disk combined tray 7 and 12cm / 8cm / 6.
FIG. 40 is a perspective view illustrating a state in which the 4 cm disc / multipurpose tray 8 is unloaded, and FIG.
8cm disk combined tray 7 and 12cm / 8cm / 6.
FIG. 4 is a perspective view showing a state where a 12 cm disk cartridge 38 is mounted on a 4 cm disk dual-purpose tray 8.

In this state, the 12 cm / 8 cm / 6.4 cm disc dual purpose tray 7 and the 12 cm / 8 cm / 6.4 cm disc dual purpose tray 8 hold the 12 cm disc cartridge 38.
Is pressed and the eject buttons 34 and 35 are pressed,
cm / 8cm disc combined tray drive motors 9 and 12c
The m / 8 cm / 6.4 cm disc / multi-purpose tray drive motor 12 rotates in the reverse direction to carry the 12 cm / 8 cm / multi-purpose disc tray 7 and the 12 cm / 8 cm / 6.4 cm multi-purpose disc tray 8 into the tray storage section 6.

In the loading process, the 12 cm disk cartridge shutter opening / closing claws 15 and 16
The shutter 38a of the cm disc cartridge 38 is engaged with the shutter 38a to open it. At this time, the disk sensor 46 (see FIG. 8) is 12 cm / 8 cm / 6.4.
5. The recording medium placed on the cm disk combined tray 8
It detects that the disc is other than the 4 cm disc.

Then, the 12 cm / 8 cm disc recording / reproducing unit elevating member drive motor 21 drives the 12 cm / 8 cm disc recording / reproducing unit elevating member 20 to the right to lower the clamper arm 25 and record the 12 cm / 8 cm disc. The reproducing unit 2 is rotated to get up.
When the recording / reproducing unit 2 for a 12 cm / 8 cm disk is raised, the pin 2 g is moved to the tray 7 for the 12 cm / 8 cm disk.
The 12 cm disk cartridge 38 is positioned by fitting into the 12 cm disk cartridge 38 through the escape hole 7 h of the 12 cm disk cartridge 38, and the 12 cm / 8 cm disk turntable 2 a is placed on the 12 cm / 8 cm disk shared tray 7. Clamp the disk in the box to make it recordable / reproducible. FIG.
FIG. 3 is a perspective view of the inside of the apparatus showing this state.

When the recording / reproducing of the disk in the 12 cm disk cartridge 38 placed on the 12 cm / 8 cm disk dual purpose tray 7 is completed, the 12 cm / 8 cm disk recording / reproducing unit lifting / lowering member drive motor 21 is driven by the 12 cm / cm.
The recording / reproducing unit lifting / lowering member 20 for the / 8 cm disk is driven to the left to rotate the recording / reproducing unit 2 for the 12 cm / 8 cm disk so as to face down, and the turntable 2 a for the 12 cm / 8 cm disk is lowered to separate from the disk. Next, the tray storage section 6 is moved to the left side of the apparatus by driving the rack gear section 6b by the tray storage section drive motor 5 via the tray storage section drive gear 1b. And
The tray storage unit detection limit switch 41 detects the tray storage unit 6 and the 12 cm / 8 cm / 6.4 cm disk dual-purpose tray 8 is used as the 12 cm / 8 cm disk recording / reproducing unit 2.
Stop moving when it is positioned above. FIG.
Is a perspective view of the inside of the apparatus showing this state.

In this state, the 12 cm / 8 cm disc recording / reproducing unit elevating member drive motor 21 drives the 12 cm / 8 cm disc recording / reproducing unit elevating member 20 to the right to lower the clamper arm 25 and to move the 12 cm / 8 cm disc.
The disk recording / reproducing unit 2 is rotated so as to be raised. When the recording / reproducing unit 2 for the 12 cm / 8 cm disk is raised, the pin 2 g penetrates through the relief hole 8 h of the 12 cm / 8 cm disk tray 8 and fits into the 12 cm disk cartridge 38 so that the 12 cm disk cartridge 3
Then, the 12 cm / 8 cm disc turntable 2 a clamps the disc in the 12 cm disc cartridge 38 placed on the 12 cm / 8 cm disc dual-purpose tray 8 to enable recording and reproduction.

In this way, the disc in the 12 cm disc cartridge 38 placed on both the 12 cm / 8 cm disc tray 7 and the 12 cm / 8 cm / 6.4 cm disc tray 8 is recorded and reproduced.
cm / 8cm disc combined tray 7 and 12cm / 8
12c for both cm / 6.4cm disc and tray 8
By placing an m disk or an 8 cm disk, these disks can be similarly recorded and reproduced by the 12 cm / 8 cm disk recording / reproducing unit 2.

The 12 cm disc cartridge 38 placed on the 12 cm / 8 cm disc dual purpose tray 7 and having completed recording and reproduction is replaced with the 12 cm disc cartridge 38 placed on the 12 cm / 8 cm disc dual purpose tray 8.
When the eject button 34 is pressed even during recording / reproducing of the disc inside, the tray driving motor 9 for 12 cm / 8 cm disc is rotated and the tray 7 for 12 cm / 8 cm disc is ejected and the tray 7 for 12 cm / 8 cm disc is used. The 12 cm disk cartridge 38 placed in the is exchangeable. FIG. 43 is a perspective view of the inside of the apparatus showing this state.

As described above, the optical disk recording / reproducing apparatus according to this embodiment places the 12 cm disk, the 8 cm disk or the 12 cm disk cartridge on the 12 cm / 8 cm disk dual purpose tray 7 on the left side of the apparatus, and mounts the 12 cm / 8 cm disk cartridge on the left side of the apparatus. Recording / reproducing section 2 for recording / reproducing.
A 6.4 cm disc cartridge is placed on a 2 cm / 8 cm / 6.4 cm disc tray 8 and can be recorded / reproduced by the 6.4 cm disc recording / reproducing unit 3 on the right side of the apparatus, and further 12 cm / 8 cm on the right side of the apparatus. /
A 12 cm disk, an 8 cm disk, or a 12 cm disk cartridge is mounted on the 6.4 cm disk dual-purpose tray 8 and can be recorded and reproduced by the recording / reproducing section 2 for the 12 cm / 8 cm disk on the left side of the apparatus.

[0088]

The optical disk recording / reproducing apparatus of the present invention has the following features.
Recording / reproducing section for 2cm / 8cm disc, recording / reproducing section for 6.4cm disc, step section for placing 12cm disc, step section for placing 12cm disc cartridge, 8cm
A 12 cm / 8 cm disc dual-purpose tray having a disc mounting step, a 12 cm disc mounting step and
a 12 cm / 8 cm / 6.4 cm disc dual-purpose tray provided with a cm disc cartridge loading step, an 8 cm disc loading step, and a 6.4 cm disc cartridge loading step, and a 12 cm / 8 cm disc dual tray. A tray storage unit for holding a 12 cm / 8 cm / 6.4 cm disk dual-purpose tray, and this tray storage unit is connected to the 12 cm / 8 cm disk recording / reproducing unit or 6.4 c
The provision of the tray storage unit driving means for reciprocatingly driving the recording / reproducing unit for the m disk enables the 12c
m / 8cm disc combined tray 7 and 12cm / 8c
12c placed on an m / 6.4cm disc dual purpose tray
Recording and reproduction can be performed on an m disk, an 8 cm disk, and a disk cartridge.

In the optical disk recording / reproducing apparatus of the present invention, a recording / reproducing section for a 6.4 cm disk is provided with a head for recording / reproducing a disk in a 6.4 cm disk cartridge, and a recording head for a 12 cm / 8 cm / 6.4 cm disk is provided. A step portion for mounting a 12 cm disk, a step portion for mounting a 12 cm disk cartridge, and a step portion for mounting an 8 cm disk are formed so that each disk can be concentrically mounted thereon, and further, a step for mounting a 6.4c disk cartridge. Part 6.
When a 4 cm disc cartridge is loaded, the side end face on the shutter opening / closing side and the side end face on the recording / reproducing head approach side are 12
The 12 cm / 8 cm / cm
6.4 cm disc dual purpose tray with 12 cm disc cartridge, 12 cm disc, 8 cm disc and 6.4
When used as a cm disk cartridge, the shutter opening / closing mechanism and the support mechanism for the recording / reproducing head can be simplified.

Further, by moving the tray accommodating portion accommodating a plurality of dual-purpose trays, continuous recording of a CD or DVD or recording of a video signal such as a TV broadcast on a DVD-RAM for a long period of time can be performed on each recording medium. Exchange time can be reduced.

Also, CD, DVD or DVD-RAM
Can be edited and easily recorded on the MD.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an internal structure of an optical disk recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a chassis and a recording / reproducing unit in the optical disc recording / reproducing apparatus of one embodiment of the present invention.

FIG. 3 is a perspective view showing a tray storage unit in the optical disc recording / reproducing apparatus according to the embodiment of the present invention.

FIG. 4 is a perspective view showing a 12 cm / 8 cm disc shared tray in the optical disc recording / reproducing apparatus of one embodiment of the present invention.

FIG. 5 is a perspective view showing a 12 cm / 8 cm / 6.4 cm disc dual-purpose tray in the optical disc recording / reproducing apparatus of one embodiment of the present invention.

FIG. 6 is a perspective view showing a state in which a 12 cm / 8 cm disc dual purpose tray 7 and a 12 cm / 8 cm / 6.4 cm dual purpose disc tray 8 are attached to the tray storage part 6 in the optical disc recording / reproducing apparatus of one embodiment of the present invention. .

FIG. 7 is a perspective view of a recording / reproducing unit for a 12 cm / 8 cm disc in the optical disc recording / reproducing apparatus of one embodiment of the present invention.

FIG. 8 is a perspective view of a recording / reproducing unit for a 6.4 cm disc in the optical disc recording / reproducing apparatus of one embodiment of the present invention.

FIG. 9 is a perspective view showing a recording / reproducing unit for a 6.4 cm disc in the optical disc recording / reproducing apparatus of one embodiment of the present invention.

FIG. 10 is a side view showing a recording / reproducing unit for a 6.4 cm disk in the optical disk recording / reproducing apparatus of one embodiment of the present invention.

FIG. 11 is an external perspective view of an optical disc recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 12 is an external perspective view of an optical disc recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 13 is a perspective view showing an internal structure in an initial state of the optical disc recording / reproducing apparatus of one embodiment of the present invention.

FIG. 14 is a perspective view showing an internal structure of an optical disc recording / reproducing apparatus according to an embodiment of the present invention in an initial state.

FIG. 15 is a top view showing the internal structure of the optical disc recording / reproducing apparatus according to the embodiment of the present invention in an initial state.

FIG. 16 is a side view showing the internal structure of the optical disc recording / reproducing apparatus of one embodiment of the present invention in an initial state.

FIG. 17 is a perspective view showing an internal structure of the optical disc recording / reproducing apparatus according to the embodiment of the present invention in a state in which a 12-cm / 8-cm disc dual-purpose tray is carried out to allow a recording medium to be placed thereon.

FIG. 18 is a perspective view showing an internal structure of the optical disc recording / reproducing apparatus according to the embodiment of the present invention in a state where a 12 cm / 8 cm disc dual-purpose tray is carried forward and a 12 cm disc cartridge is placed.

FIG. 19 is a diagram showing an optical disk recording / reproducing apparatus according to an embodiment of the present invention in which a 12 cm / 8 cm disk dual-purpose tray has 12
FIG. 4 is a top view of a tray storage portion showing a state where a cm disk cartridge is placed and carried into a tray storage portion.

FIG. 20 is a diagram illustrating an optical disc recording / reproducing apparatus according to an embodiment of the present invention.
FIG. 4 is a top view of a tray storage portion showing a state where a cm disk cartridge is placed and carried into a tray storage portion.

FIG. 21 is a diagram illustrating an optical disc recording / reproducing apparatus according to an embodiment of the present invention.
FIG. 4 is a top view of a tray storage portion showing a state where a cm disk cartridge is placed and carried into a tray storage portion.

FIG. 22 shows a 12 cm disc in a 12 cm disc cartridge in an optical disc recording / reproducing apparatus according to an embodiment of the present invention.
It is a side view which shows the clamp process of a disk.

FIG. 23 shows a 12 cm disc in a 12 cm disc cartridge in an optical disc recording / reproducing apparatus according to an embodiment of the present invention.
It is a side view which shows the clamp process of a disk.

FIG. 24 shows a 12 cm disc in a 12 cm disc cartridge in an optical disc recording / reproducing apparatus according to an embodiment of the present invention.
It is a side view which shows the clamp process of a disk.

FIG. 25 shows a 12 cm disc in a 12 cm disc cartridge in an optical disc recording / reproducing apparatus according to an embodiment of the present invention.
FIG. 9 is a perspective view showing the posture of a recording / reproducing unit for a 12 cm / 8 cm disc in a process of clamping the disc.

FIG. 26 shows a 12 cm disc in a 12 cm disc cartridge in an optical disc recording / reproducing apparatus according to an embodiment of the present invention.
FIG. 4 is a perspective view showing the attitude of a recording / reproducing unit for a 12 cm / 8 cm disc when clamping of the disc is completed.

FIG. 27 is a perspective view of an internal structure showing a state in which a 12 cm / 8 cm / 6.4 cm disc dual-purpose tray is carried out forward so that a recording medium can be placed thereon in the optical disc recording / reproducing apparatus of one embodiment of the present invention. .

FIG. 28 is a perspective view of an internal structure showing a state in which a 12 cm / 8 cm / 6.4 cm disc dual-purpose tray is carried forward and a 6.4 cm disc cartridge is placed in the optical disc recording / reproducing apparatus of one embodiment of the present invention. It is.

FIG. 29 is a diagram showing an internal structure of the optical disc recording / reproducing apparatus according to the embodiment of the present invention, in which a 12 cm / 8 cm / 6.4 cm disc dual-purpose tray is loaded with a 6.4 cm disc cartridge and carried into a tray storage unit. It is a top view.

FIG. 30 is an internal structure showing a state in which a 12 cm / 8 cm / 6.4 cm disc dual-purpose tray is loaded with a 6.4 cm disc cartridge and carried into the tray storage section in the optical disc recording / reproducing apparatus of one embodiment of the present invention. It is a top view.

FIG. 31 is an internal structure showing a state in which a 12 cm / 8 cm / 6.4 cm disc dual-purpose tray in the optical disc recording / reproducing apparatus of one embodiment of the present invention is loaded with a 6.4 cm disc cartridge and carried into the tray storage section. It is a top view.

FIG. 32 shows an optical disc recording / reproducing apparatus according to an embodiment of the present invention, in which a 6.4 cm disc cartridge is 6.4c.
FIG. 4 is a side view of the internal structure showing a process of mounting the recording / reproducing unit for the m disk.

FIG. 33 shows a 6.4 cm disk cartridge in an optical disk recording / reproducing apparatus according to an embodiment of the present invention.
FIG. 4 is a side view of the internal structure showing a process of mounting the recording / reproducing unit for the m disk.

FIG. 34 is a perspective view showing a posture of a recording / reproducing unit for a 6.4 cm disk in a process of mounting a 6.4 cm disk cartridge in the optical disk recording / reproducing apparatus of one embodiment of the present invention.

FIG. 35 is a perspective view showing a posture of a recording / reproducing unit for a 6.4 cm disk in which a 6.4 cm disk cartridge is mounted in the optical disk recording / reproducing apparatus of one embodiment of the present invention.

FIG. 36 shows an optical disk recording / reproducing apparatus according to an embodiment of the present invention.
FIG. 9 is a perspective view of a tray storage unit and a tray for 12 cm / 8 cm discs, showing a process of placing a cm disc and carrying it into the apparatus.

FIG. 37 shows an example of a 12 cm / 8 cm disc dual-purpose tray in the optical disc recording / reproducing apparatus of one embodiment of the present invention.
FIG. 5 is a top view of a tray storage unit and a 12 cm / 8 cm disc dual-purpose tray showing a process of placing a cm disc and carrying it into the apparatus.

FIG. 38 shows an example of a 12 cm / 8 cm disc dual-purpose tray in the optical disc recording / reproducing apparatus of one embodiment of the present invention.
FIG. 4 is a top view of a tray storage unit and a 12 cm / 8 cm disc dual-purpose tray showing a state where a cm disk is placed and carried into the apparatus.

FIG. 39 is a perspective view of the internal structure showing a state in which the 12 cm / 8 cm disc / multipurpose tray and the 12 cm / 8 cm / 6.4 cm disc / multipurpose tray are carried out of the tray storage section in the optical disc recording / reproducing apparatus of one embodiment of the present invention. .

FIG. 40 shows 12 cm / 8 cm unloaded from the tray storage section in the optical disc recording / reproducing apparatus according to one embodiment of the present invention.
It is a perspective view of the internal structure which shows the state which mounted the 12 cm disk cartridge on the disk dual purpose tray and the 12 cm / 8 cm / 6.4 cm disk dual purpose tray.

FIG. 41 is a perspective view of the inside of the optical disk recording / reproducing apparatus according to one embodiment of the present invention, showing a state in which recording and reproduction can be performed by clamping a disk in a 12 cm disk cartridge placed on a 12 cm / 8 cm disk dual-purpose tray; is there.

FIG. 42 is a perspective view of the inside of the optical disc recording / reproducing apparatus according to one embodiment of the present invention, showing a state in which a 12 cm / 8 cm / 6.4 cm disc dual-purpose tray is positioned above a 12 cm / 8 cm disc recording / reproducing section. is there.

FIG. 43 is a perspective view of the inside of the optical disk recording / reproducing apparatus according to one embodiment of the present invention, showing a state in which a 12-cm disk cartridge placed on a dual-purpose tray of 12 cm / 8 cm and having completed recording / reproduction is replaceable. .

FIG. 44 is a perspective view of a clamper arm in the optical disc recording / reproducing apparatus of one embodiment of the present invention.

FIG. 45 is a perspective view of the upper surface side of the 6.4 cm disk cartridge.

FIG. 46 is a perspective view of the lower surface of the 6.4 cm disk cartridge.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Chassis, 2 ... Recording / reproducing part for 12cm / 8cm disk 2, 2a ... Turntable for 12cm / 8cm disk, 3 ... Recording / reproducing part for 6.4cm disk, 3a ...
6.4 cm disk turntable, 5: tray storage section drive motor, 6: tray storage section 6, 6b: rack gear section, 7: 12 cm / 8 cm disk dual purpose tray, 8: 1
2cm / 8cm / 6.4cm disc combined tray, 9 ...
12cm / 8cm disc combined tray drive motor, 12
... Tray drive motor for 12cm / 8cm / 6.4cm disc, 15, 16 ... 12cm disc cartridge shutter opening / closing claw, 20 ... 12cm / 8cm disc recording / reproducing section elevating member, 21 ... 12cm / 8cm disc recording / reproducing section elevating member Drive motor, 27 ... 6.4 cm disc recording / reproducing unit elevating member, 28 ... 6.4 cm disc recording / reproducing unit elevating member drive motor.

Claims (2)

[Claims] 1. An optical disk recording / reproducing apparatus for recording / reproducing a disk or a cartridge containing a disk on a tray and performing recording / reproduction on the disk, for a 12cm / 8cm disk for recording / reproducing on a 12cm disk and an 8cm disk. Recording / reproducing unit, 6.4
recording / reproducing unit for recording / reproducing a 6.4 cm disk, a step for mounting a 12 cm disk, and 1
A 12 cm / 8 cm disc combined tray with a 2 cm disc cartridge mounting step and an 8 cm disc mounting step, a 12 cm disc mounting step and 12 cm
A 12 cm / 8 cm / 6.4 cm disc and tray with a disc cartridge mounting step, an 8 cm disc mounting step, and a 6.4 cm disc cartridge mounting step, and the 12 cm / 8 cm disc dual tray and 12 cm Tray storage section for holding a / 8 cm / 6.4 cm disk dual-purpose tray, and 12
An optical disc recording / reproducing apparatus, comprising: a tray storage section driving means for reciprocating on a recording / reproducing section for a cm / 8 cm disc or a recording / reproducing section for a 6.4 cm disc. 2. The 6.4 cm disk recording / reproducing section according to claim 1, further comprising: a magnetic head for recording data on a disk housed in a 6.4 cm disk cartridge, wherein said 12 cm / 8 cm / 6. The 12 cm disc loading step of the 4 cm disc dual purpose tray and 12 cm
The arrangement of the disc cartridge mounting step and the 8 cm disc mounting step is set so that the center position of each disc is the same, and the 6.4 cm disc cartridge mounting step is 6.4 cm. An optical disk recording / reproducing apparatus, wherein when a disk cartridge is mounted, a side end surface on a shutter opening / closing side and a side end surface on a side closer to the magnetic head are located outside the step portion for mounting a 12 cm disk cartridge. .