JP2001250307A - Recording and reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a recording and reproducing device which can simultaneously house a first recording medium and a second recording medium housed in a carriage, can simplify the whole device and can alternatively record and reproduce the both housed recording media. SOLUTION: The recording and reproducing device is provided with an optical pickup 223 which is used both for recording and reproducing the first recording medium 1(2) and the second recording medium 4, a first turntable 212 for the first recording medium 1(2), a second turntable 207 for the second recording medium 4, a first recording and reproducing position F where the first recording medium 1(2) can be recorded and reproduced on the first turntable 212 and a second recording and reproducing position G where the second recording medium 4 can be recorded and reproduced on the second turntable 207. The first turntable 212 is constituted above the second turntable 207 with freely attaching/detaching and the first turntable 212 is raised by being linked with moving of the second recording medium 4 to the second recording and reproducing position G.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a first disk or the like.
The present invention relates to a recording / reproducing apparatus capable of loading a second recording medium such as a recording medium and a disk stored in a cartridge and playing the disk.

[0002]

2. Description of the Related Art Conventionally, as this kind of recording / reproducing apparatus,
For example, a disk recording / reproducing apparatus disclosed in JP-A-7-226006 and an MD-CD compatible player disclosed in JP-A-9-231654 are provided.

That is, the former disc recording / reproducing apparatus is configured so that the first disc (MD) can be inserted through a lower insertion slot and the second disc can be inserted through a higher insertion slot.
(CD) can be inserted. In addition, the latter MD-CD compatible player is configured so that MDs and CDs can be inserted and removed through a common disk insertion slot.

[0004]

However, in the above two conventional configurations, even if either the MD or the CD can be stored, both the MD and the CD can be stored at the same time, or the stored both can be alternately stored. It was difficult to record and reproduce.

SUMMARY OF THE INVENTION An object of the present invention is to mount a first recording medium and a second recording medium housed in a cartridge on which the entirety can be simplified and the first recording medium can be simplified.
Providing a recording / reproducing apparatus capable of simultaneously storing both the first recording medium and the second recording medium, and capable of alternately recording / reproducing the stored first recording medium and the second recording medium. It is.

[0006]

According to another aspect of the present invention, there is provided a recording / reproducing apparatus according to the present invention, wherein a first recording medium accommodated in a tray and a cartridge accommodated in a cartridge. A recording / reproducing apparatus for recording / reproducing a second recording medium, wherein a first tray into which the tray is inserted is provided.
And a second insertion slot into which the cartridge is inserted, an optical pickup commonly used for recording and reproduction of the first and second recording media, and a first rotation by an output shaft of a recording and reproduction motor. A first turntable for a recording medium, a second turntable for a second recording medium, a first attachment / detachment position at which the tray is protruded and the first recording medium is attachable / detachable, A first recording / reproducing position at which a first recording medium can be recorded / reproduced on a turntable, a first transport means capable of moving the first recording medium with the tray,
A second attachment / detachment position where the second recording medium can be attached / detached, a second recording / reproduction position where the second recording medium can be recorded / reproduced on the second turntable, and the second recording medium. Movable second transport means, wherein the first turntable is provided on a second turntable and is detachably disposed above the second turntable, and the second recording medium When the first turntable is moved to the second recording / reproducing position, the first turntable is raised in conjunction therewith.

Therefore, according to the first aspect of the present invention, the first
And a second recording medium inserted in the cartridge can be provided separately, and both recording and reproducing can be performed by one optical pickup and one recording and reproducing motor for both turntables. And cost can be improved.

According to a second aspect of the present invention, in the recording / reproducing apparatus according to the first aspect, the first recording medium and the second recording medium can be stored at the same time, and Since the second recording medium is configured to be movable between the storage position and the second attaching / detaching position even during recording / reproduction of the recording medium, the overall configuration and depth can be reduced. .

According to a third aspect of the present invention, in the recording / reproducing apparatus according to the second aspect of the present invention,
When the second recording medium is moved to the first attachment / detachment position, the second recording medium does not operate in synchronization with the first recording medium and stops at the storage position. The first recording medium can be transported accurately at low cost without complicating the first transport means corresponding to the recording medium.

Further, according to a fourth aspect of the present invention, in the recording / reproducing apparatus according to the first aspect,
The first recording / reproducing position of the recording medium, the first attaching / detaching position of the first recording medium, and the second recording / reproducing position of the second recording medium each have a vertical height. With this configuration, the first and second recording media can be simply recorded and reproduced by one optical pickup and one recording and reproducing motor for both turntables without interference from each other. it can.

According to a fifth aspect of the present invention, there is provided the recording / reproducing apparatus according to the first aspect of the present invention.
The first recording medium is not located at the upper position of the second recording medium but is moved to the storage position during recording / reproduction of the recording medium at the recording / reproduction position. The first turntable for the recording medium can be easily attached and detached, and the configuration can be simplified.

According to a sixth aspect of the present invention, in the recording / reproducing apparatus according to the first aspect of the present invention, the storage position of the second recording medium is set to the first position of the first recording medium in the vertical direction. The recording / reproducing position is located in the downward direction, and in the attaching / detaching direction, between the second attaching / detaching position and the second recording / reproducing position. The second recording medium can be stored in the storage position, and can be detached from the storage position.

According to a seventh aspect of the present invention, in the recording / reproducing apparatus according to the first aspect, the optical pickup has a different moving range between the first recording medium and the second recording medium. By providing a switch for detecting the limit in the inner circumferential direction between the first recording medium and the second recording medium, the entire configuration can be reasonably formed.
The start time of recording / reproducing of the second recording medium can be shortened.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A recording / reproducing apparatus according to an embodiment of the present invention will be described below with reference to the drawings.

1 and 2, 1 is 12 cm in diameter.
The large-diameter disc 2 is a small-diameter disc having a diameter of 8 cm, and these discs 1 and 2 constitute an example of a first recording medium (CD) stored in a tray (described later). Reference numeral 3 denotes a cartridge, and a disk 4 stored in the cartridge 3 constitutes an example of a second recording medium (MD).

Reference numeral 5 denotes a recording / reproducing apparatus according to the present invention for recording / reproducing the discs 1, 2 and 4, wherein a front panel 6 is attached to a bottom plate 7 or the like. No. in the section. Key 8,
Open / close key 9, play key 10, stop key 11, pause key 12, first key 13 for recording / reproducing the first recording medium, second key 14 for recording / reproducing the second recording medium And so on.

Reference numeral 16 denotes an outer case of the recording / reproducing device 5;
Is an insulator provided on the bottom plate 7 side. 2
Reference numeral 2 denotes a tray base, which is capable of protruding from a first insertion opening 6 a formed in the front panel 6. Reference numeral 23 denotes a tray which is guided by a tray base 22 and is slidable in the direction of the arrow. On the tray 23, the exchanged disks 1 and 2 are supplied.

At the lower part of the front plate portion 22d of the tray base 22, a second insertion opening 22e into which the cartridge 3 is inserted is formed, and a swingable opening / closing door 22F is provided at the second insertion opening 22e. Have been. Here, the second insertion port 22e
Are formed below the slide position of the tray 23.

Referring to FIGS. 2, 4 and 23, the apparatus main body 2
Reference numeral 0 denotes a bottom plate 20A, left and right side plates 20B, a rear plate 20C, and the like. In the apparatus main body 20, a disk storage position A for the disks 1 and 2 is formed on the rear plate 20C side, and a recording / reproduction position B is formed on the front side.
Here, the distance L between the centers of the disks 1 and 2 stored in the disk storage position A and the centers of the disks 1 and 2 recorded and reproduced at the recording and reproduction position B is 10 cm (the radius of the large-diameter disk 1 + Larger than the radius of the small diameter disc 2) and 1
It is set smaller than 2 cm (diameter of the large-diameter disc 1).

According to this configuration, the disk storage position A and the recording / reproducing position B can be brought close to each other so that the stored large-diameter disk 1 and the large-diameter disk 1 being recorded / reproduced are overlapped in a plane. Thus, the size of the device can be reduced. The accommodated large-diameter disk 1 and the small-diameter disk 2 during recording / reproduction or the accommodated small-diameter disk 2 and the large-diameter disk 1 during recording / reproduction can be positioned so as not to overlap in a plane.

Next, the structure of the first transfer means capable of moving the disks 1 and 2 with the tray 23 will be described with reference to FIGS. That is, a disk transport unit (an example of a first transport unit) 21 that transports the disks 1 and 2 between the disk storage position A and the recording / reproduction position B is provided in the apparatus main body 20.

This disk transport means 21 is provided in the main body 2 of the apparatus.
The tray base 22 which is guided by the side plate 20B of the “0” and is slidable in the direction of the arrow (front and rear), the tray 23 which is guided by the tray base 22 and is slidable in the direction of the arrow, The carrier 27 is supported and guided and slidable in the arrow direction. The tray base 22 is protruded from a first insertion opening 6a formed in the front panel 6 by sliding in the direction of arrow A (forward).

This protruding position is a first mounting / dismounting position C where the tray 23 can be protruded to mount the discs 1 and 2, and the position below the protruding tray 23 is the cartridge. A second mounting / detaching position D where the disk 4 accommodated in the storage unit 3 can be attached / detached.

On the upper surface side of the tray 23, a 12 cm disk holder 24 and an 8 cm disk holder 25 are formed concentrically. At this time, the height of the spacer (discussed later) of the disc holding means is reduced to make the recording / reproducing apparatus 5 thin, so that the 12 cm disc holder 24 is slightly higher than the 8 cm disc holder 25. Is formed.

The carrier 27 is mounted on the tray base 22.
The carrier 27 has a strip shape, and a rack 28 is formed on the outer side surface.
A vertical locking hole 29 is formed at a predetermined position of the carrier 27, and a locking pin 26 from the tray 23 is locked in the locking hole 29. Above 2
An example of the disk transport means 21 is constituted by 2 to 29 and the like.

According to the disk transporting means 21, the carrier 27 is moved forward and backward through the rack 28 by forward and reverse driving of a horizontal driving means (described later), so that the carrier 27 is integrated with the carrier 27. The tray 23 is supported and guided by the tray base 22 and moves together. This allows
The discs 1 and 2 can be transferred between the disc storage position A and the recording / reproducing position B in the apparatus main body 20.

Next, the structure of the disk holding means 30 will be described with reference to FIGS. A disc holding means 30 is provided at the disc storage position A. The disc holding means 30 has an upper spindle 31 and a lower spindle 41 which are a pair of upper and lower spindles for holding a plurality of spacers 38 in a detachable manner. The disks 1 and 2 can be transferred between the disk transport means 21 by raising and lowering the lower spindle 41 and vertically driving the spacers 38.

That is, reference numeral 32 denotes a spindle mounting plate, which is provided at the rear half of the side plate 20B and between the upper surfaces, and the upper spindle 31 is provided at the lower center thereof.
Reference numeral 42 denotes an elevating base (spindle base) which is opposed to the spindle mounting plate 32 from below, and is configured to be driven vertically by elevating means (described later). A spindle 41 is provided.

The upper spindle 31 has a flange 31b at the upper end of an upper spindle body 31a, and an engagement piece 31c formed on the flange 31b is
2 is engaged with the engagement hole 32a formed in the second hole. A disk holder 33 is fitted on the outer periphery of the upper spindle main body 31a, and the disk holder 33 is movable along a vertical groove 31e formed in the upper spindle main body 31a. The disc holder 33 is connected to the flange 31b.
And is urged downward by a disc pressing spring 34 provided therebetween.

A holding claw 35 is housed inside the upper spindle main body 31a. The holding claw 35 has a claw portion 35 a for holding the spacer 38 on the upper spindle 31.
And a core portion 35b against which the convex portion 44c of the lower spindle 41 abuts, and an upper stopper 35c, and are integrally formed of synthetic resin.

The holding claw 35 is attached to the spindle mounting plate 32.
Are biased downward by the claw-opening spring 36 provided therebetween, but are prevented from popping out by the pushing portion 31d. The pushing portion 31d is connected to the upper spindle body 31a.
The tip of a push-down piece 48a of the later-described detachment preventing claw 48 abuts.

Since the base of the claw 35a is made of a thin plate, it is configured to bend inward and outward. The tip portion 35d of the claw portion 35a has a hook shape, and a portion in contact with the upper spindle main body 31a is inclined inward. The core portion 35b of the holding claw 35 is the tip 3 of the claw portion 35a.
Three vertical grooves 35e are formed at positions where the distal end portions 35d hit so that 5d can be sufficiently retracted into the upper spindle main body 31a.

The lower spindle 41 is composed of a lower spindle body 45 composed of an outer cylinder 43 and an inner cylinder 44, a detachment preventing claw 48 fitted into the inner cylinder 44, and the like. The inner cylinder 44 is fitted into a lower shaft 42 a formed on the elevating base 42, and a locking piece 44 a at the lower end is fixed by engaging with the elevating base 42. The outer cylinder 43 has a flange 43a at a lower end,
A ring gear 43b is provided on the bottom surface of the flange 43a. The ring-shaped gear 43b meshes with a second intermediate gear 157 of a gear train (described later) to form the outer cylinder 4
Rotate 3

A male screw 43c is formed on the outer peripheral portion of the outer cylinder 43, and a screw portion 46 for moving the spacer 38 up and down is screwed to the male screw 43c. A rotation stopper (not shown) is attached to the screw portion 46 so as not to rotate with the rotation of the outer cylinder 43. Rotation stopper 47
Has one end pivotally supported by the screw portion 46 and the other end pivotally supported by the lifting base 42.

The detachment preventing claw 48 includes three claw portions 48b which are opened outward, three pressing pieces 48a formed between the claw portions 48b and the claw portions 48b, and a lower stopper 48d which protrudes downward. It is composed of In the upper part of the inner cylinder 44, three claw holes 4 for the tip of the claw portion 48b to protrude and retreat are provided.
4b is formed. These claw holes 44b and claw holes 44
A small hole is formed between b, so that the tip of the pressing piece 48a protrudes.

The release preventing claw 48 is pushed upward by a compression spring 49 in the lower shaft 42a, and a tip end 48e of the claw portion 48b projects from the claw hole 44b, and the pushing-down piece 48 is pressed.
a protrudes from the small hole. In the center of the upper part of the inner cylinder 44, a convex part 44c that pushes up the holding claw 35 is formed. The lower side surface of the convex portion 44c is inclined so that the claw portion 48b can easily enter and exit through the claw hole 44b.

Outer pins 50 and 51 are provided on both left and right sides of the elevating base 42. In this case, one (right) pin 50 is provided, and the other (left) pin 51 is provided. Two are provided before and after. Reference numeral 52 denotes a vertical feed detection sensor which is configured to detect a slit 43d formed on the outer periphery of the flange 43a and count the number of rotations.

An example of the disk holding means 30 is constituted by the above 31 to 52 and the like. The disk holding means 30 is operated as follows. That is, FIG. 5 shows a state where five disks 1 and 2 are stored in the lower spindle 41 and the upper spindle 31 and the lower spindle 41 are separated. When the lifting base 42 is raised (in the direction of arrow C) by lifting means (described later), the lifting base 4
The lower spindle 41 attached to 2 also rises.

By raising the lower spindle 41, 120
The three holding claws 35 arranged at an angle of ° and the separation preventing claws 48 are fitted between each other, and the projections 44c abut against the core 35b of the holding claws 35. Further, the convex portion 44
When c pushes up the holding claw 35 while resisting the force of the claw opening spring 36, the tip 35d of the holding claw 35 enters the upper spindle main body 31a. Therefore, the spacer 38
It is moved toward the upper spindle 31 without being hindered by the tip of the claw 35a.

At the same time, the depressing piece 48 of the separation preventing claw 48
a abuts against the pushing portion 31 d of the upper spindle 31.
When the pushing portion 31 d pushes the release preventing claw 48 downward while resisting the force of the compression spring 49, the claw portion 4 of the release preventing claw 48
The distal end portion 48e of 8b retreats into the inner cylinder 44. Therefore, the spacer 38 can move from the lower spindle 41 to the upper spindle 31 (see FIG. 6).

In the above state, the rotational force of the second intermediate gear 157 of the gear train is transmitted to the ring gear 43b to rotate the outer cylinder 43. By the rotation of the outer cylinder 43,
The screw portion 46 rises along the lower spindle 41 and pushes up the spacer 38. The screw portion 46 moves the disks 1 and 2 from the lower spindle 41 to the upper spindle 31, and stops when the required disks 1 and 2 are located at the lower end of the upper spindle 31.

The disks 1, 2 of the upper spindle 31
Can be moved to the lower spindle 41 by rotating the outer cylinder 43 in the reverse direction and lowering the screw portion 46. The moving amount is controlled by counting the number of rotations of the flange 43a integral with the lower spindle 41 by the up-down feed detection sensor 52 and stopping based on the counted number.

Then, the elevating base 42 is lowered (in the direction of arrow D) by the elevating means, and once the upper spindle 31 and the lower spindle 41 are separated from each other, the tray 23 is placed between the upper spindle 31 and the lower spindle 41. To move.

When the upper spindle 31 and the lower spindle 41 are separated from each other, the holding claw 35 is pushed down by the claw opening spring 36, and the tip 35d of the claw 35a jumps out of the outer peripheral wall of the upper spindle 31 and moves to the upper spindle 31. The spacer 38 and the disks 1 and 2 are held. At the same time, the separation preventing claw 48 is pushed upward by the compression spring 49, and the claw portion 35a projects from the claw hole 44b to prevent the spacer 38 fitted to the lower spindle 41 from separating from the lower spindle 41.

With the tray 23 moved between the upper spindle 31 and the lower spindle 41, the lower spindle 41 is raised again by the lifting means. In a state where the lower spindle 41 abuts against the upper spindle 31 and the holding state of the holding claw 35 is released, the spacer 38 is driven vertically to drive down one slit (one rotation of the lower spindle 41), and then again. When the upper spindle 31 and the lower spindle 41 are separated from each other, the necessary disks 1 and 2 are placed on the tray 23 and are carried out to the recording / reproducing position B or the outside.

Next, the configuration of the recording / reproducing means 200 will be described with reference to FIGS. At the recording / reproducing position B, an optical pickup 223 shared for recording / reproducing the disks 1, 2 and 4 and a first turn for the disks 1 and 2 rotated by an output shaft 206 of a recording / reproducing motor 205 are provided. Second for table 212 and disk 4
Turntable 207 is provided.

That is, an elevator 201 capable of ascending and descending in the direction of the arrow Honey is provided. Outer pins 203 and 204 are provided on both left and right sides of the lift table 201, respectively. The recording / reproducing motor 2 is
05 is provided, and the upward output shaft 206 is provided with the second
Turntable 207 is attached.

The disk storage position A and the recording / reproduction position B
Between them, an intermediate rib plate 20D is provided upright from the bottom plate 20A of the device main body 20. This intermediate rib plate 20
The base end of the lever body 208 is attached to the D side via a left-right axis 209, so that the lever body 208 is configured to be swingable up and down. The free end side of the lever body 208 is bifurcated, and a ring body 211 is rotatably provided between the two free ends via a left-right pin 210. Then, the first turntable 212 is attached to the ring body 211 in a fitting manner.
Is freely rotatable.

When the lever 208 is swung horizontally, the first turntable 212 is positioned concentrically above the second turntable 207. The magnetic material 2 provided on the first turntable 212
13 is attracted to the magnet 214 provided on the second turntable 207. A cam pin 215 protrudes in the left-right direction from near the base end of the lever body 208, and the cam body 23 a provided on the lower surface of the front end of the tray 23 is
15 from below to lift the lever 2
08 is swung upward. That is, the first turntable 212 is configured to be detachable upward from the second turntable 207.

An upper cover 217 provided between the upper surfaces of the intermediate portions of the side plates 20B has a disc clamper 218.
Are freely rotatably supported. The disc clamper 218 is configured to hold the first turntable 212 that has been lifted.
Are configured so that the disks 1 and 2 can be clamped between them. The ring body 211 is prevented from being rotated more than necessary by a stopper structure (not shown).

A support frame 220 whose center is open is provided on the lift table 201 via a plurality of buffer springs 202. The support frame 220 has two horizontal sides in the arrow direction. A guide rod 221A and a guide rail 221B in the direction of the arrow torch, which are directions, are arranged separately. A movable body 222 supported and guided by the guide rod 221A and the guide rail 221B and movable in the arrow torch direction is provided.
The optical pickup 223 is attached to the optical pickup.

The support frame 220 has a guide rod 22
A screw rod 224 is rotatably provided along 1A or the like, and a half nut body 222a on the movable body 222 side is screwed to the screw rod 224. Further, the support frame 22
0 is provided with a feed motor 225 that can be driven forward and reverse.
The feed motor 225 is linked to the screw rod 224 via a worm gear mechanism 226 or the like.

The moving range of the optical pickup 223 is different between the disks 1, 2 and 4. Therefore, the first switch 227 for detecting the limit of the disks 1, 2 in the inner peripheral direction and the optical switch 223 in the inner peripheral direction of the disk 4 are provided. Second to detect the limit
And switches 228 are provided on the lift table 201 side, respectively. An operation section 222b for operating both switches 227 and 228 is formed on the movable body 222 side.

An example of the recording / reproducing means 200 is constituted by the above described elements 201-228. The recording / reproducing means 200 is operated as follows. That is, the first
When the key 13 is pressed, the lifting table 201 of the recording / reproducing means 200 is raised in the direction of arrow C by the lifting / lowering means (described later), whereby the disks 1, 2 on the tray 23 are moved by the first turntable 212. 8, 9, and 12, as shown in FIG. 8, FIG. 9, and FIG. 12, after the tray 23 is separated from the upper surface of the tray 23, it is clamped between the disc clamper 218. Here, the reher position of the clamp by the first turntable 212 and the disc clamper 218 is determined by the first turntable 212.
This is the first recording / reproducing position F where the disks 1 and 2 can be recorded / reproduced.

Then, the second turntable 207 is rotated via the output shaft 206 by the operation of the recording / reproducing motor 205 provided on the elevator 201. Thus, the integrated first turntable 212 is rotated via the magnet body 214 and the magnetic body 213, so that the disks 1 and 2 can be rotated together with the rotation of the disk clamper 218.

In this state, the screw rod 2 is driven by the feed motor 225 via the worm gear mechanism 226 or the like.
By rotating the optical pickup 24 and moving the optical pickup 223 together with the movable body 222, desired recording and reproduction on the disks 1 and 2 can be performed. At this time, as shown by a solid line in FIG. 13, the operation unit 222b on the movable body 222 operates the first switch 227 to detect the limit in the inner circumferential direction of the disks 1 and 2, and this limit is detected. Optical pickup 2 in position
23 may be stopped. The movement of the movable body 222 is performed up to the outer limit as shown by the phantom line in FIG. 13 in the case of the large-diameter disk 1, and is performed up to the middle in the case of the small-diameter disk 2.

When the second key 14 is pressed, the tray 23 is moved to the disk storage position A by the disk transport means 21.
Acts on the cam pin 215 of the lever body 208 from below to lift it, thereby causing the lever body 208 to swing upward as shown in FIG. The magnetic body 213 is detached from the magnet body 214 by the upward swinging power. This makes the first
Of the second turntable 20
7 and both turntables 212 and 2
There is a space between 07.

Then, the cartridge 3 at the cartridge storage position E (see FIG. 8) is loaded into this space in the direction of arrow B by the second transport means (described later). In this state, the lift 2 of the recording / reproducing means 200
The first turntable 207 is raised in a direction indicated by an arrow C by an elevating means (to be described later), whereby the second turntable 207 is engaged with the disk 4 in the cartridge 3 as shown in FIG. . Here, the engagement level position by the second turntable 207 is a second recording / reproducing position G where the disk 4 can be recorded / reproduced on the second turntable 207.

That is, the first turntable 21
2 is on the second turntable 207 and this second
Above the turntable 207, and when the disk 4 is moved to the second recording / reproducing position G, the first turntable 212 is moved up in conjunction with this. .

Next, the second turntable 207 is rotated via the output shaft 206 by the operation of the recording / reproducing motor 205 provided on the lift 201, whereby the disk 4 can be rotated. In this state, by driving the screw rod 224 by driving the feed motor 225 and moving the optical pickup 223 together with the movable body 222, the desired recording / reproduction on the disk 4 can be performed. At this time, as shown by a solid line in FIG.
When the second switch 2b operates the second switch 228, the limit in the inner circumferential direction of the disk 4 is detected, and the optical pickup 223 can be stopped at this limit position. Then, the movement of the movable body 222 is performed up to the outer limit indicated by the virtual line in FIG.

As described above, the discs 1 and 2 and the insertion ports 6a and 22e of the disc 4 housed in the cartridge 3 can be separately provided, and one optical pickup 2 can be provided.
23 and one recording / reproducing motor 205 for both turntables 212 and 207, both of which can be recorded / reproduced, and cost can be improved.

Next, the structure of the cartridge receiver 229 for storing the cartridge 3 in the cartridge storage position E, and the cartridge transfer means (second transfer) for moving the cartridge 3 in the cartridge storage position E to the second recording / reproducing position G An example of the means) 230 will be described with reference to FIG. 4, FIG. 7, FIG. 15, FIG. 16, and FIG.

That is, a cartridge receiver 229 is provided in the main assembly 20 of the apparatus.
Are a receiving plate 229a, a right regulating plate 229b erected from the right edge of the receiving plate 229a, and a left regulating plate 229 erected from slightly inside the left edge of the receiving plate 229a.
c and an upper regulating plate 229d continuously provided from the upper end of the left regulating plate 229c to the right side.

The front edge of the cartridge receiver 229 is
The second insertion port 22e is located near the front edge of the apparatus main body 20, and can be opposed to each other. The trailing edge is located near both the turntables 212 and 207. The cartridge receiving position E is formed by the cartridge receiver 229.

A guide portion 229e in the direction of the arrow is formed outside the left regulating plate 229c, and guided by the guide portion 229e, the cartridge conveying means 230 is formed.
The drive rack 231 is provided so as to be movable in the arrow direction. The drive gear 232 always meshed with the drive rack 231 is connected to the left regulating plate 22 of the receiving plate 229a.
It is rotatably provided at a position outside of 9c. To drive the drive gear 232, a receiving plate 229a
A motor 233 that can be driven forward and backward is provided at a position outside the left regulating plate 229c of the
4 and the drive gear 232 are interlocked via a reduction transmission type belt transmission mechanism 235 and a reduction transmission type gear transmission mechanism 236.

On the outside of the left regulating plate 229c,
A vertical axis 237 is erected from the receiving plate 229a.
An operating lever 238 is provided so as to be swingable in the direction of the arrow with the base end pivotally supported by 37. A base cam groove 238a and a front cam groove 238b are formed on the operation lever 238, and a cam pin 239 erected from the drive rack 231 side is engaged with the base cam groove 238a.

A cartridge pushing / pulling member 240 is provided on the upper regulating plate 229d. The cartridge pushing / pulling body 240 can be moved in the arrow direction by engaging the guided portion 240a integrally formed with the guide groove 229f in the arrow direction formed on the upper regulating plate 229d. The upstanding cam pin 241 is engaged with the front cam groove 238b of the operation lever 238.

Further, the cartridge push-pull body 240 is integrally formed with a locking portion 240b located in a guide groove 229g in the arrow direction formed on the left regulating plate 229c. The cartridge push-pull body 240
An operation protruding portion 240c is formed integrally on the lower surface of the front end of the upper surface of the upper end of the upper regulating plate 229d. A cam-shaped recess 229h with which the operation protrusion 240c can be engaged is formed on the right edge of the left regulating plate 229c. Further, a receiving pin 242 is vertically provided from the cartridge pushing / pulling body 240 so as to be positioned inside the upper regulating plate 229d.

Therefore, the cartridge push-pull member 240
Is pivoted about the guided portion 240a in a state where the operation projection 240c faces the cam-shaped recess 229h, whereby the locking portion 240b is formed on the side surface of the cartridge 3. The locking concave portion 3a is configured to be freely disengageable from the direction of the arrow torch. An operation switch 243 is provided which is turned off when the locking portion 240b engages with the locked concave portion 3a and turned on when the locking portion 240b is disengaged.

An example of the cartridge conveying means 230 is constituted by the above-mentioned parts 231 to 243 and the like. Then, the cartridge conveying means 230 is operated as follows. That is, when the cartridge receiver 229 is empty,
The cartridge pushing / pulling body 240 is connected to the second insertion port 22e.
15 and swings outward with the guided portion 240a as the center, as shown by the imaginary line in FIG. As a result, the operation protrusion 240c is engaged with the cam-shaped recess 229h, the locking portion 240b is moved backward, and the operation switch 243 is turned off.

In this state, the cartridge 3 is inserted from the second attaching / detaching position D through the second insertion port 22e. Then, as shown in an imaginary line in FIG. 15 and FIG. 16A, the front surface of the cartridge 3 comes into contact with the receiving pin 242, and the cartridge pushing / pulling body 240 swings inward about the guided portion 240a. Let it. Thereby, the operation protrusion 2
40c is disengaged from the cam-shaped concave portion 229h, and the locking portion 240b is moved forward to engage with the locked concave portion 3a, and the operation switch 243 is turned on.

When the operation switch 243 is turned on, the motor 233 is driven, and the drive gear 232 is driven via the belt transmission mechanism 235 and the gear transmission mechanism 236. As a result, the drive rack 231 is moved in the direction of arrow B, and the operating lever 238 is swung about the longitudinal axis 237 in the direction of arrow B via the cam pin 239 and the base side cam groove 238a. The swing of the operating lever 238 is transmitted to the cartridge pushing / pulling body 240 via the tip cam groove 238b and the cam pin 241.
0 is moved in the direction of arrow B while the guided portion 240a is engaged and guided by the guide groove 229f.

At this time, the locking portion 240b is
Is engaged, the cartridge pushing / pulling body 24
The cartridge 3 is pulled in and moved integrally with the cartridge 3.
This retraction movement is stopped with the cartridge 3 positioned at the cartridge storage position E, as shown in FIGS. 11 and 16B. The pull-in movement of the cartridge 3 is performed at the level of the second recording / reproducing position G, and does not affect the first recording / reproducing position F which is at a level higher than the second recording / reproducing position G. (See FIG. 9).

The cartridge 3 housed in the cartridge housing position E is in a standby state, and as described above, the second key 14 is pressed to move the tray 23 to the disk housing position A, and the both turntables are moved. 21
The cartridge 3 is carried in the direction indicated by the arrow B by the cartridge carrying means 230 into the space created between the cartridges 2 and 207.

That is, by pressing the second key 14, the motor 233 is driven, and the drive gear 232 is driven via the belt transmission mechanism 235 and the gear transmission mechanism 236. Thus, the cartridge push / pull body 240 is moved in the direction of arrow B via the drive rack 231, the cam pin 239, the operation lever 238, and the cam pin 241. And the locking part 2
The cartridge 3 is retracted via the recess 40a and the locked concave portion 3a, and the retracting movement is performed as shown in FIGS. 10 and 16 (C).
, The cartridge 3 is moved to the second recording / reproducing position G.
And stopped.

In this state, the lifting table 201 of the recording / reproducing means 200 is raised in the direction of arrow C, whereby the second turntable 207 is engaged with the disk 4 in the cartridge 3, whereby the recording / reproducing of the disk 4 is performed. Becomes possible.

As described above, the disks 1 and 2 and the disk 4 can be accommodated at the same time, and the disk 4 can be stored in the disks 1 and 2 while recording and reproducing on the disks 1 and 2 as shown in FIGS.
9 and FIG. 16A.
By being configured to be movable between the second attachment / detachment position D shown in (1) and (2), the overall configuration and depth can be reduced.

As shown in FIG. 11, when the disks 1 and 2 are moved to the first mounting / removing position C, the disk 4 does not operate in synchronization with the disks 1 and 2 and returns to the cartridge storage position E. With the configuration in which the disks are stopped, the disks 1 and 2 can be accurately transferred at low cost without complicating the disk transport means 21.

As shown in FIG. 8, the first recording / reproducing position F of the disks 1 and 2 and the disks 1 and 2
The first attachment / detachment position C and the second recording / reproducing position G of the disk 4 have vertical heights, respectively, so that one optical pickup 223 and both turntables 212, Discs 1 and 2 and disc 4 can be simply recorded and reproduced by one recording and reproducing motor 205 for 207.

Further, as shown in FIG. 10, while the disk 4 is being recorded and reproduced at the second recording / reproducing position G, the disks 1 and 2 are not located at the upper position of the disk 4 and the disk storage position A , The first turntable 212 for the disks 1 and 2 can be easily attached and detached, and the configuration can be simplified.

As shown in FIGS. 13 and 14, the optical pickup 223 has a different moving range between the disks 1, 2, and 4, and therefore detects the inner circumferential limit between the disks 1, 2, and 4. Switches 227 and 22
By providing each of the discs 8, the entire configuration can be made without difficulty, and the start time of recording and reproduction of the discs 1, 2 and 4 can be shortened.

Next, the construction of the lifting means 70 for raising and lowering the lower spindle 41 and raising and lowering the recording / reproducing means 200 will be described with reference to FIGS. 4, 7, 17, 22, 22, 24, 25 and 29. 30 (A).

That is, a pair of left and right plates 71 and 81 which are supported and guided by the side plate 20B of the apparatus main body 20 and are slidable in the direction of the arrow are provided in the apparatus main body 20. Protrusions 72 and 82 in opposing directions are integrally connected from ends of the plates 71 and 81 near the rear plate 20C, and these protruding parts 72 and 82 are elongated holes in opposing directions. 73 and 83 are formed.

The one (right) plate 71 is an example of a single component, and the cam groove 7 in which the pin 50 provided on one of the lifting bases 42 of the lower spindle 41 is engaged.
4 at the rear and at the front have inwardly directed upper and lower racks 75 and 76, respectively. The other (left) plate 81 is provided with a pair of cam grooves 8 with which a pair of pins 51 provided on the other side of the elevating base 42 are engaged.
4 and a cam groove 85 with which a pin 204 provided on the other side of the lifting platform 201 of the recording / reproducing means 200 is engaged. A pin 2 provided on one side of the lift 201 in the recording / reproducing means 200
03 is engaged with a cam groove 96 on a cam gear (to be described later) side.

Here, the cam groove 74 of one plate 71
The front upper cam portion 74 extends from the front side to the rear side.
a, a V-shaped cam portion 74b, a middle upper cam portion 74c, and a rear upper cam portion 74d are formed by continuous grooves (FIG. 1).
7, see FIG. 22). Note that the middle upper cam portion 74c and the front upper cam portion 74a are higher than the rear upper cam portion 74d.

The rear and middle cam grooves 84 of the other plate 81 extend from the front side to the rear side, and have a front upper cam portion 84a, a middle upper cam portion 84b, and a V-shaped cam portion 8 respectively.
4c, formed by a continuous groove of the rear upper cam portion 84d (see FIG. 29). The front upper cam portion 84a is lower than the middle upper cam portion 84b and the rear upper cam portion 84d.

The front cam groove 85 of the other plate 81 is formed by a continuous groove of a front lower cam portion 85a, an intermediate upper cam portion 85b, and a rear lower cam portion 85c from the front side to the rear side. (A in FIG. 29 and A in FIG. 30)
reference). The cam groove 96 on the cam gear side is formed in a spiral shape (see FIGS. 24 and 25).

At a position near the rear plate 20C in the apparatus main body 20, a shaft 86 is erected from the bottom plate 20A.
6 is provided with a connecting lever 87 rotatably supported via an intermediate portion thereof. Pins 88 and 89 are erected on both ends of the connecting lever 87, and the pins 88 and 89 are engaged with the long holes 73 and 83. Thereby, the connecting lever 87 rotatably supported by the apparatus main body 20 allows
The pair of left and right plates 71 and 81 are connected, so that the plates 71 and 81 slide in opposite directions.

An intermediate gear 90 meshing with the lower rack 76 is rotatably provided in the apparatus body 20 via a shaft 91 erected from the bottom plate 20A side, and further, a cam gear meshing with the intermediate gear 90. 92 is provided rotatably via a shaft 93. A cam cylinder 94 is integrated with the lower surface of the cam gear 92. The cam groove 96 is formed on the outer periphery of the cam cylinder 94 so that a pin 203 provided on one side of the lift table 201 of the recording / reproducing means 200 is engaged.

An example of the elevating means 70 is constituted by the above 71 to 96. And according to this lifting / lowering means 70,
By transmitting the gear rotating force of the horizontal driving means (described later) to one of the plates 71 via the upper rack 75, the one of the plates 71 is slid in the direction of the arrow and the connecting lever is moved. The other plate 81 is slid in the opposite direction via 87. At the same time, the intermediate gear 90 meshing with the lower rack 76 is rotated, and the cam cylinder 94 is rotated via the cam gear 92.

As described above, the left and right plates 71 and 81 are slid in opposite directions to each other, and the cam gear 92 is rotated in response to the movement of one of the plates 71, so that the cam grooves 74 and 84 are used. The raising / lowering base 42 of the lower spindle 41 is moved up and down in the direction indicated by the arrow Harni.
The elevator 201 in the recording / reproducing means 200 is moved up and down in the direction indicated by the arrow H through the arrows 6 and 85. The positions and the shapes of the cam grooves 74, 84, 96, 85 are set so that the timing described later is suitably performed with the movement of the plates 71, 81.

That is, FIG. 22 (A), FIG. 24, FIG.
6, when playing the discs 1 and 2 shown in FIG. 29, one pin 50 of the lifting base 42 is engaged with the middle upper cam portion 74c of the cam groove 74, and the other pin 51 of the lifting base 42 is Engage with the middle upper cam portion 84b of the groove 84,
The other pin 204 is located at the middle upper cam portion 8 of the cam groove 85.
5b, and one pin 203 of the elevating table 201 is set to engage with the cam groove 96.

When the lower spindle is lowered and the tray is at the front as shown in FIGS. 24, 25, and 30 (B), one pin 50 of the lifting base 42 is connected to the V-shaped cam portion 7 of the cam groove 74.
4b, the other pin 51 of the lifting base 42 is engaged with the V-shaped cam portion 84c of the cam groove 84, and the other pin 204 of the lifting base 201 is engaged with the rear lower cam portion 85c of the cam groove 85. The pin 203 of the elevator 201 is engaged with the cam groove 96.

When the lower spindle is lowered and the tray is in the rear position as shown in FIG.
0 engages with the V-shaped cam portion 74b of the cam groove 74, and the other pin 51 of the lifting base 42 is connected to the V-shaped cam portion 8 of the cam groove 84.
4c, the other pin 204 of the elevator 201 is engaged with the rear lower cam portion 85c of the cam groove 85, and the one pin 203 of the elevator 201 is engaged with the cam groove 96. I have.

When the disc is stocked as shown in FIGS. 22 (C) and 31 (A), one of the pins 50
Is engaged with the front upper cam portion 74a of the cam groove 74, and the other pin 51 of the lifting base 42 is connected to the rear upper cam portion 84 of the cam groove 84.
d, the other pin 204 of the elevator 201 is engaged with the rear lower cam portion 85c of the cam groove 85, and the one pin 203 of the elevator 201 is engaged with the cam groove 96. I have.

In the disc change state shown in FIGS. 22 (B) and 31 (B), one pin 5
0 engages with the middle upper cam portion 74c of the cam groove 74, the other pin 51 of the lift base 42 engages with the middle upper cam portion 84b of the cam groove 84, and the other pin 204 of the lift base 201 Engage with the middle upper cam portion 85b of the groove 85,
01 is set so as to engage with the cam groove 96.

As described above, the elevating means 70 is configured such that the movement of one plate 71, which is a single component, simultaneously acts on the elevating of the lower spindle 41 and the elevating table 201. . Therefore, the lower spindle 41 of the disk holding means 30 is moved up and down, and
Are driven by the same plate 71, so that the timings of both lifting and lowering can be easily adjusted.

The lifting and lowering of the lower spindle 41 and the lifting and lowering table 201 of the disk holding means 30 are performed by the cam grooves 74,
The drive by the plates 71 and 81 having 84 and 85 makes it possible to move the lower spindle 41 up and down and the lift table 201 up and down with a simple configuration without any timing shift.

Next, the configuration of the horizontal drive means 100 capable of driving the disk transport means 21 and the elevating means 70 will be described.
This will be described with reference to FIGS. That is,
The horizontal drive means 100 has a drive gear 101 connected to a drive source via a speed reduction mechanism (described later). The drive gear 101 is rotatably mounted on a shaft 102 erected from the bottom plate 20A side. Have been. The disk transport means 2
1 is provided with a drive rack 103 which is supported and guided by the carrier 27 side and the tray base 22 and is relatively slidable in the arrow direction.
4 is formed on the inner side surface and meshes with the drive gear 101.

At a predetermined position of the drive rack 103, a speed increasing gear 106 is rotatably provided via a shaft 105. The speed increasing gear 106 is a two-stage gear composed of two large and small gears 106A and 106B having the same number of teeth and different modules, and the small gear 106B is provided on one plate 71 provided on the lifting / lowering means 70 side. Upper rack 7
5 and the large gear 106A is mounted on the rack 28 of the carrier 27 provided on the disk transfer means 21 side.
Are engaged.

A stopper 110 for restricting sliding of the carrier 27 and the plate 71 in the direction of arrow A is provided on the front side of the tray base 22, and a carrier lock for preventing sliding of the carrier 27 in the direction of arrow B. Tool 112 is provided.

That is, the stopper 110 is in the form of an L-shaped lever, and is rotatably provided on the tray base 22 via a pin 111. One arm of the stopper 110 is provided at the front end of the carrier 27. The formed contact portion 27a is formed on the contactable receiving portion 110a. In the other arm portion, a receiving portion 110b with which a tip contact portion 71d formed at the tip of the plate 71 can contact and a locking portion 110c with which the carrier 27 can be engaged are formed. ing.

The locking portion 110c is connected to the carrier 27.
When the stopper part 110 is rotated by a predetermined amount around the pin 111 when the contact part 27a is brought into contact with the receiving part 110a, the stopper part 110 engages with the locking concave part 27b formed on the outer surface of the carrier 27. It is configured to be.

The carrier lock member 112 is also an L-shaped lever type, and is rotatably provided on the tray base 22 side via a pin 113.
A stopper portion 112a that can be engaged with a stopper concave portion 27c formed on the inner side surface of the carrier 27 is formed. The other arm portion is formed on a rotation receiving portion 112b for unlocking.

A common biasing spring 114 for biasing the stopper 110 and the carrier lock 112 is provided between the stopper 110 and the carrier lock 112. Here, the urging spring 114 is disposed so as to urge the stopper 110 in the releasing direction and urge the carrier lock 112 in the engaging direction.

At the front of the apparatus main body 20, an operation tool 115 for rotating the carrier lock tool 112 in the unlocking direction is provided. The operation tool 115 is of a lever type and is rotatably provided on the apparatus main body 20 via a pin 116.

A receiving portion 115a is formed on the first arm portion of the operating tool 115 so that the front contact portion 71a formed on the one plate 71 side can contact. Further, the second arm portion is formed with a rotation operation portion 115b which can abut on the rotation receiving portion 112b for unlocking the carrier lock device 112 from the rear side. A cam pin 115c is formed on the third arm so as to be able to be disengaged from the locking cam groove 22a provided on the lower surface side of the tray base 22 from the lateral direction. The locking cam groove 22a
Is formed in a curved surface along the movement locus of the cam pin 115c.

A spring 117 for urging the operating tool 115 to rotate is provided.
15a is set to shift to the rear side. An intermediate locking member is provided at an intermediate portion of the apparatus main body 20 to prevent one of the plates 71 most moved in the direction of the arrow B from moving in the direction of the arrow B and to limit the movement limit of the tray base 22 in the direction of the arrow B. 120 are provided. The intermediate locking member 120 is of a lever type, and a central portion thereof is rotatably provided on the apparatus main body 20 side via a pin 121.

A receiving portion 120a is formed at the front end of the intermediate locking member 120 so that an intermediate abutting portion 71b provided at an intermediate portion of the plate 71 can abut. A drive cam portion 22b provided at a position near the rear of the tray base 22 is provided at a position near the rear of the intermediate lock device 120.
(See FIG. 3). At the rear end of the intermediate locking member 120, a stopper portion 120c is formed, which can be brought into contact with a stopper portion 22c (see FIG. 3) provided at a position near the rear portion of the tray base 22. The intermediate lock 120 is urged by the spring 122 so that the receiving portion 120a protrudes into the movement locus of the rear contact portion 71b.

A rear lock device is provided at the rear of the apparatus main body 20 for temporarily receiving the one plate 71 moved in the direction of arrow B and locking the carrier 27 when the one plate 71 further moves most in the direction of arrow B. 1
23 are provided. The rear lock 123 is in the form of an L-shaped lever.
It is rotatably provided on the side via a pin 124.

A receiving portion 123a is formed at the front end of the forward facing arm portion of the rear lock member 123 so that a rear end contact portion 71c provided at the rear end of the plate 71 can abut. A contact portion 123b to which a rear contact portion 27d provided at the rear end of the carrier 27 can contact is formed on a lateral arm of the rear lock device 123. Receiving part 1
In the portion 23a, a locking portion 123c that is detachable from the outside with respect to a locking recess 27e that is provided at a position near the rear of the carrier and that is open to the outside is formed. In the rear lock device 123, the receiving portion 123a has a rear end contact portion 71c.
Is urged by a spring 125 so as to protrude into the movement trajectory.

An example of the horizontal driving means 100 capable of driving the disk transport means 21 and the elevating means 70 is constituted by 101 to 125 described above. According to the horizontal driving means 100, the driving gear 101 is driven to rotate in the normal and reverse directions by the driving source via the speed reduction mechanism, so that the driving rack 10 is driven.
3 is slid in the arrow direction. And drive rack 1
By the sliding of 03, the disk transport means 21 and the elevating means 70 are driven via the speed increasing gear 106 and the like.

That is, for example, when playing the discs 1 and 2 shown in FIG. 19A, the carrier 27 is moved to the front end, and the contact portion 27a is brought into contact with the receiving portion 110a, so that the stopper is formed. The tool 110 has an urging spring 114
The locking portion 110c is engaged with the locking concave portion 27b of the carrier 27. As a result, the position at which the carrier 27 moves to the front end is maintained. The carrier lock member 112 also has a rotation receiving portion 112b.
Is brought into contact with the rotation operation portion 115b of the operation tool 115, thereby being rotated against the urging spring 114, and the stopper portion 112a is detached from the stopper concave portion 27c.

The intermediate lock 120 is rotated against the spring 122 by the drive cam 22b of the tray base 22 acting on the passive cam 120b, and the receiving portion 120a is moved to the rear contact portion. It is located outside the movement locus of 71b. Further, the rear lock device 123 includes a spring 125
, The receiving portion 123a protrudes into the movement locus of the rear end contact portion 71c. The elevating means 70 is raised by one of the plates 71 being slid toward the front end, thereby raising the lower spindle 41 and the elevating table 201.

When returning the played disks 1 and 2 to the disk storage position A from such a play, the drive gear 101 is first rotated in the direction of arrow E in FIG. As a result, the drive rack 103 is slid in the direction of arrow B. At this time, since the carrier 27 is prevented from moving by the stopper 110, the speed increasing gear 106 supported by the drive rack 103 is The large gear 106A meshes with the rack 28 of the carrier 27 and rotates.

As a result, the small gear 106 of the speed-up gear 106
By the rotation of B, one plate 71 slides in the direction of arrow B via the upper rack 75, and the sliding is performed until the rear end contact portion 71c contacts the receiving portion 123a.

By the sliding of the one plate 71 in the direction of arrow B, the elevating means 70 is moved down, whereby the lower spindle 41 and the elevating table 201 are lowered. At this time, the speed increasing gear 106 enters a deceleration transmission state, so that the lowering is performed slowly and stably. As described above, the lower spindle descends as shown in FIG.

When the sliding of one of the plates 71 is stopped by the rear end contact portion 71c abutting on the receiving portion 123a, the drive rack 103 slides in the direction of arrow B, thereby causing the drive rack 103 to pivot. Supported speed increasing gear 106
Thus, the small gear 106B meshes with the fixed upper rack 75 and rotates. As a result, as shown in (C) of FIG.
, The carrier 27 is slid in the direction of arrow B via the rack 28, and at this time, the stopper 110 is rotated by the urging spring 114, so that the locking portion 110c locks the carrier 27. It is detached from the concave portion 27b.

The sliding of the carrier 27 is performed until the rear end contact portion 27d contacts the contact portion 123b.
By this contact, the rear lock device 12 is opposed to the spring 125.
3 is rotated, and the locking portion 123c is
Are locked from the outside, so that the carrier 27 is locked in the position to move to the rear end. And carrier 27
19, the tray 23 is slid with respect to the tray base 22 in the direction indicated by the arrow B, and the lower spindle descends as shown in FIG.
Note that the locking rotation of the rear lock member 123 causes the receiving portion 123a to contact the rear end contact portion 71c of the plate 71.
Will escape inside.

As a result, the plate 71 can be slid in the direction of arrow B. Therefore, when one plate 71 is slid in the direction of arrow B, the lifting / lowering means 70 is raised. The lower spindle 41 and the elevating table 201 are raised, and the stock state is reached as shown in FIG.

In order to operate from the above-described stock operation to the change operation shown in FIG.
Is rotated in the direction opposite to the above, that is, in the direction of the arrow. As a result, the drive rack 103 is slid in the direction of arrow A. At this time, the carrier 27 is
The movement of the drive rack 10
The speed-up gear 106, which is supported by the shaft 3, rotates the large gear 106A with the fixed rack 28 of the carrier 27.

As a result, the small gear 106 of the speed-up gear 106
Due to the rotation of B, one plate 71 is slid in the direction of arrow A via the upper rack 75. As a result, the lifting / lowering means 70 is lowered, whereby the lower spindle 41 and the lifting / lowering table 201 are lowered.

As described above, in the state where one of the plates 71 is slid in the direction of arrow A and the leading end contact portion 71d of the plate 71 is stopped by contacting the receiving portion 110d of the lock member 110, the rear lock member 123 is unlocked. The rear lock 123 is rotated in the unlocking direction by the spring 125, and the locking portion 123c is detached from the locking recess 27e. And drive rack 1
By sliding in the direction of arrow a of 03, the speed increasing gear 106 pivotally supported by the drive rack 103 is rotated by meshing the small gear 106B with the fixed upper rack 75.

As a result, the large gear 106 of the speed-up gear 106
By the rotation of A, the carrier 27 is sent out through the rack 28 in the direction of the arrow A, and the carrier 27 is accelerated with the movement of the drive rack 103 and slides in the direction of the arrow A. The sliding of the carrier 27 is performed until the contact portion 27a of the carrier 27 contacts the receiving portion 110a of the lock 110. The sliding of the carrier 27 causes the tray 23 to slide in the direction of arrow A with respect to the tray base 22.

The contact portion 27a is connected to the receiving portion 110a.
, The stopper 110 is pushed by the urging spring 11.
4, the engaging portion 110c is engaged with the engaging concave portion 27b of the carrier 27. As a result, the position at which the carrier 27 moves to the front end is maintained. Note that the locking rotation of the stopper 110 causes the receiving portion 110b to move inward with respect to the leading end contact portion 71d of the plate 71.

As a result, the plate 71 can be slid in the direction of arrow A. Therefore, when one of the plates 71 is slid in the direction of arrow A, the lifting / lowering means 70 is moved upward. The spindle 41 and the lifting / lowering table 201 are raised, and the change is performed as shown in FIG.

At the time of the close shown in FIG. 20B, the one plate 71 is further slid in the direction of the arrow a with respect to the play shown in FIG.
As a result, the lifting / lowering means 70 is moved down,
Thus, the lower spindle 41 and the lift 201 are lowered.

When the drive gear 101 is rotated in the direction indicated by the arrow at the time of closing as shown in FIG. 20B, it can be at the time of opening as shown in FIG. 20C. That is, the rotation of the drive gear 101 causes the drive rack 103 to slide in the direction of arrow A, and
The upper rack 7 on the plate 71 stopped in the direction of arrow a in contact with a stopper (not shown) provided at the front of the
5, the small gear 106B meshes with and rotates, and the rotation of the large gear 106A of the speed increasing gear 106 causes the carrier 27 to slide in the direction of arrow a via the rack 28.

At this time, the carrier lock member 112 is rotated by the urging spring 114, and the carrier lock member 112 is turned to the position shown in FIG.
As shown in FIG. 1, the stopper portion 112a is engaged with the stopper concave portion 27c of the carrier 27 to lock the carrier 27. By the action of the carrier lock device 112, the tray base 22 and the tray 23 integrated with the carrier 27 are protruded and moved in the direction of arrow A.

The movement of the tray base 22 and the tray 23 in the direction of arrow B from the open state shown in FIG. 20C to the closed state shown in FIG. It can be performed by rotating in the direction of arrow E.

Next, the horizontal state maintaining means 13 for regulating the elevating posture of the elevating table 201 in the recording / reproducing means 200 is described.
0 will be described with reference to FIGS. That is, the horizontal state maintaining means 130 has a rotation axis 131 parallel to the sliding direction of the plate 81 (the direction of the arrow-y).
The rotating shaft 131 is connected to the other side plate 2 of the apparatus main body 20.
It is rotatably supported at 0B. At two locations (single or multiple locations) in the longitudinal direction of the rotating shaft 131, a V-shaped horizontal maintaining lever 132 is integrated via a base end thereof, whereby the horizontal maintaining lever 132 is connected to the rotating shaft 131.
It is configured to be rotatable together with. The horizontal maintenance lever 1
32 has an engaging pin 1 parallel to the rotation shaft 131.
33 are provided.

Further, on the other side surface of the lift table 201 in the recording / reproducing means 200, two L-shaped lower members 134 and upper members 13 are respectively provided at two positions in the arrow direction.
5 are integrally provided side by side in the arrow direction. Here, the lower member 134 forms an upward receiving surface 134a, and the upper member 135 forms a downward pressing surface 135a.
To form The receiving surface 134a and the pressing surface 135a form an engagement groove 136 in a long hole state in the left-right direction when viewed from the front-back direction. The engagement pin 133 is slidably engaged with the engagement groove 136, and is configured to rotate around the axis of the rotating shaft 131 when the elevating table 201 moves up and down.

With the above-mentioned 131 to 136, the horizontal state maintaining means 130 for regulating the elevating posture of the elevating table 201 is provided.
Is configured. According to the horizontal state maintaining means 130, the right and left plates 7 are driven by the driving of the elevating means 70.
1 and 81 are slid in opposite directions to each other, and the cam gear 92 is rotated in response to the movement of the one plate 71, and the cam cylinder 94 integrated with the cam gear 92 is rotated. The pin 203 engaged with the cam groove 96 is moved up and down by the rotation of the cam groove 96 formed in the cam plate 96, and the cam groove 85 formed in the other plate 81 is moved by the cam groove 85. The matching pins 204 are moved up and down by the same amount in synchronization.

As a result, the lifting table 201 is moved to an arrow head.
It will be raised and lowered in two directions. 24 and 25 show a state in which the elevator 201 is lowered in the direction of arrow D. FIG. 26 shows a state in which the elevator 201 is moved upward in the direction of arrow C.

When the platform 201 is moved up and down, the engagement pins 133 are slidably engaged with the engagement grooves 136 in the horizontal state maintaining means 130, so that the platform 201 can be moved up and down. The horizontal maintaining lever 132 with the engaging pin 133 integrated therewith is rotated together with the rotating shaft 131 at the same time, so that the engaging pin 133 rotates around the axis of the rotating shaft 131. Will be moved.

As a result, the lifting table 201 is moved up and down by a pair of horizontal maintaining levers 1 that maintain the attitude in the rotation axis direction horizontally.
32 can be performed in a state in which movement other than lifting and lowering is restricted, that is, in a state where the rotation of the lifting table 201 is suppressed.

Next, the rotation of the drive source 140, which is a motor that can be driven forward and reverse, is controlled by the drive gear 10 of the horizontal drive means 100.
1 and 2, the structure of a gear train 149 provided on the side of the horizontal drive means 100, the structure of a gear train 151 provided on the vertical drive system of the spacer 38, and the like. Will be described.

That is, a drive source 140 composed of a motor that can be driven forward and reverse is fixed to the front side of the apparatus main body 20, and a transmission pulley 143 attached to the output shaft 142 and a shaft 144 is provided at the intermediate side of the apparatus main body 20. An elastic belt 146 is suspended between the pulley 145 and a passive pulley 145 that is rotatably provided through the elastic belt 146. A cylindrical gear 147 is fixed to the lower surface of the passive pulley 145. An example of the reduction mechanism 141 that connects the rotation of the drive source 140 to the drive gear 101 is configured by the above 142 to 147.

The gear train 149 provided on the side of the horizontal driving means 100 is provided with the driving gear 10 of the horizontal driving means 100.
1 and a large-diameter passive gear 108 integrated with the drive gear 101 constitute one example.

The gear train 151 provided in the vertical drive system of the spacer 38 has a passive gear 152 provided opposite to the cylindrical gear 147.
Is rotatably provided on the apparatus main body 20 side via a shaft 153. A cylindrical transmission gear 154 is fixed to the lower surface of the passive gear 152. A first intermediate gear 155 that constantly meshes with the transmission gear 154 is rotatably provided on the lifting base 42 of the disk holding means 30 via a shaft 156, and a second intermediate gear 155 that constantly meshes with the first intermediate gear 155. An intermediate gear 157 is rotatably provided via a shaft 158.

An example of the gear train 151 provided in the vertical drive system of the spacer 38 is constituted by the above 152 to 158. The second intermediate gear 157 is always meshed with the ring gear 43b of the disk holding means 30.

Next, the switching gear 161 and this switching gear 1
The configuration of the drive switching means 165 that slides 61 in the axial direction will be described with reference to FIGS. That is, the switching gear 161 includes the cylindrical gear 147 and the passive gear 10.
8. It is provided to face all of the passive gears 152.

The switching gear 161 is provided so as to be slidable (movable up and down) and rotatable in the axial direction with respect to the shaft 162 from the apparatus main body 20 side. And the switching gear 16
Reference numeral 1 denotes a large-diameter gear 161A which is always meshed with the cylindrical gear 147, and a small-diameter gear 161B provided on the lower surface of the large-diameter gear 161A. The switching gear 16
1 is configured to be urged downward by a compression spring 163, and to be raised against the compression spring 163 by the retreating movement of the drive switching means 165 composed of a plunger, a lever, and the like.

Further, the switching gear 161 is connected to the drive switching means 1.
When the non-operating gear 65 is lowered by the elastic force of the compression spring 163, the small-diameter gear portion 161B
When the drive switching means 165 is raised by operation against the elastic force of the compression spring 163, the large-diameter gear portion 161A is configured to mesh with the passive gear 152.

As a result, the switching gear 161 is connected to the drive source 140 via the speed reduction mechanism 141,
The gear train 149 provided in the horizontal drive means 100 is slid in the axial direction by the operation of the drive switching means 165.
Alternatively, it is possible to selectively mesh with any one of the gear trains 151 provided in the drive system for raising and lowering the spacer 38.

The speed reducing mechanism 141 and the gear train 14 having the above configuration
9, the gear train 151, the switching gear 161, etc., the forward / reverse drive of the drive source 140 is transmitted to the cylindrical gear 147 via the reduction mechanism 141 having the elastic belt 146, and the cylindrical gear 147 is decelerated. And rotate it forward and backward. While the switching gear 161 is being slid by the drive switching means 165, the switching gear 161 has at least a switching mode including a rotational drive, a stop, and a reverse drive. At this time, the forward / reverse switching mode described above
Is controlled so as to start from reversal with respect to the rotation direction immediately before the start of switching.

That is, in FIG.
Playing the recording and reproduction of the disc 2, changing the exchange of the discs 1 and 2 with the disc holding means 30, changing the stock of the discs 1 and 2 into the disc holding means 30, and moving the discs 1 and 2 to the first loading / unloading position C Is referred to as open, and mode switching A is ascending after play to change, or ascending after play, and changing to stock, and mode switching B is ascending, then changing from play after changing to open, or changing from after stock ascending, and open mode switching C. Is changed from stock to rise mode change D is change from stock to change mode change E is change from rise to stock mode change F is change from play to change or change d , Switch to stock mode after change H is played from rising after the change, open or change after the stock down, is open, in any case mode, the drive switching means 16
During the forward / reverse sliding of the switching gear 161 by No. 5, the driving source 140 is controlled to start from the reverse rotation for the forward rotation or to start from the forward rotation for the reverse rotation.

That is, for example, in the mode switching A, the forward rotation or reverse rotation of the drive source 140 indicates that the upper part indicates the brake on and the lower part indicates the brake off. Therefore, in the M range, the rotation is stopped because both the forward rotation and the reverse rotation are brake-on, and during the sliding of the drive switching means 165, in the N range, the reverse rotation is turned off and the reverse rotation is started, and In the O range, the normal rotation is brake-off and the reverse rotation is brake-on, and the intended normal rotation is performed.

When the switching gear 161 is raised by the operation of the drive switching means 165 against the elastic force of the compression spring 163, as shown in FIG.
The large-diameter gear portion 161 </ b> A meshing with 47 is meshed with the passive gear 152. Thus, after the switching sliding of the switching gear 161 is completed, the forward / reverse drive of the drive source 140
It is transmitted to the ring-shaped gear 43b of the disk holding means 30 via the gear train 151, and rotates this ring-shaped gear 43b in the forward and reverse directions.

When the switching gear 161 is lowered by the elastic force of the compression spring 163 while the drive switching means 165 is not operated, as shown in FIG. 28B, the passive gear 152 of the large-diameter gear portion 161A is provided. , And the small-diameter gear portion 161B meshes with the passive gear 108. Thus, after the switching sliding of the switching gear 161 is completed, the forward / reverse driving of the drive source 140 is performed by the gear train 14.
9 to the drive gear 101 of the horizontal drive means 100 to rotate the drive gear 101 in the forward and reverse directions.

Next, the structure of the disk gap securing means 170 will be described with reference to FIGS. That is, the disk gap securing means 170 is configured to be able to enter between the storage disks vertically adjacent to the recording / reproducing disk. The disk gap securing means 170 is provided between the recording / reproducing position B and the disk storage position A, and includes a shaft portion 171 rotatably supported by the elevating base 42 of the lower spindle 41; The shaft portion 171 is constituted by a lever 172 provided continuously from two places in the left-right direction.

At the end portions of both levers 172, there are provided entry portions 173 which can enter between adjacent storage disks, and these entry portions 173 have an acute angle joint portion.
It is composed of two smooth planes 173a and 173b, and the planes 173a and 173b can directly contact the end surfaces of the upper and lower disks to spread the adjacent disk up and down. Configuration may be used). At that time, the two entrance portions 173 of the disk gap securing means 170 are provided at positions substantially symmetric with respect to a common center line of the recording / reproducing disk and the storage disk.

The disk gap securing means 170 is configured to be driven by the elevating means 70.
That is, the disk gap securing means 170 is configured to raise the lever 172 thereof by the spring 174 provided between the lifting base 42 side and to retract the entry portion 173 from between the end faces of the upper and lower disks. . The end of the shaft portion 171 is provided with a lever-like cam follower 17.
5 is provided, and a cam body 176 is provided on the inner surface of the other plate 81.

An example of the disk gap securing means 170 is constituted by the above 171 to 176. Then, according to the disk gap securing means 170, the plate 81 moves to the recording / reproducing position B, and the cam follower 175 acts on the cam body 176, so that the lever 172 is stored in the disk against the spring 174. It is tilted to the position A side, and the entry portion 173 enters between the adjacent storage disks.

Next, the structure of the detecting means 180 for controlling a part of the control will be described with reference to FIGS. That is, the detection means 180 includes a detection switch group provided on the fixed substrate 181 side integrated with the apparatus main body 20 side and an operation cam group provided on one plate 71 or the tray base 22 side. Here, the detection switch group provided on the fixed substrate 181 side includes an open switch 182, a first switch 183, and a second switch 184 arranged in order from the front side to the rear side.

The one plate 71 is provided with a first operation cam 185 and a second operation cam 186 for simultaneously turning on the first switch 183 and the second switch 184.
A third operation cam 187 for turning on only the first switch 183 is provided, and a fourth operation cam 188 for turning on only the second switch 184 is provided. As shown in FIG. 3, a fifth operation cam 189 for turning on only the open switch 182 is provided on the tray base 22 side.

The detecting means 18 by the above-mentioned 181 to 189
0 is configured. According to the detecting means 180, when one of the plates 71 moves to the above-described recording / reproducing position, the first operation cam 185 and the second operation cam 18
6 turns on the first switch 183 and the second switch 184 at the same time, thereby detecting and controlling the play time by moving to the recording / reproducing position B (see A in FIG. 22). Then, when one of the plates 71 moves to the above-described change position, the third operation cam 187 turns on only the first switch 183, whereby the change time due to the movement to the change position can be detected and controlled (FIG. 22B).

Further, when one of the plates 71 is moved to the above-described disk storage position A, the fourth operation cam 188 is moved.
Turns on only the second switch 184, thereby detecting and controlling the stock time due to the movement to the disk storage position A (see C in FIG. 22). Also, on the tray base 22 side, when the tray base 22 is opened and protruded,
The fifth operation cam 189 can turn on only the open switch 182 to detect and control the open state.

The operation of the recording / reproducing apparatus 5, which is an example of the embodiment of the present invention configured as described above, will be described. In the description of the operation, the timing chart of FIG. 33 is also referred to. In FIG. 33, the drive rack 103,
One plate 71 (the same applies to the other plate 81), cam gear 92, carrier 27, tray base 22, tray 23, elevating base 42, elevating platform 201, first switch 18
3. Each drive of the second switch 184, the open switch 182, and the motor 233, and corresponding to the large-diameter disk 1, open, close, play, change, lower spindle down, tray rear, stock, and The timings corresponding to the disk 4 and the standby time and the play time are shown.

FIGS. 2 and 4 show that the tray base 22 and the tray 23 are driven by the horizontal driving means 100 and come out of the front panel 6 in the direction of arrow A, and the drive source 140 is stopped by the open switch 182. It shows the state in which it is operating.

In this state, after replacing (or supplying) the large-diameter disk 1 (the same applies to the small-diameter disk 2) on the tray 23, and pressing the open / close key 9, the tray base 22 is moved to the arrow. 2
3. As shown in FIG. 30B, the large-diameter disc 1 is transported to the recording / reproducing position B.

Next, the lifting table 201 is raised by the lifting means 70, and the large-diameter disc 1 is clamped at the first recording / reproducing position F to be in a play state (FIGS. 18 and 19A, FIGS. 22A and 22A). 30A). At this time, the disk gap securing means 170 is rotated toward the disk storage position A as shown in FIG. 29B to secure the desired gap. And after play, open / close key 9
When the button is pressed again, the tray base 22 moves in the direction of arrow A and is protruded as shown in FIG. 2, so that the large-diameter disk 1 can be replaced on the tray 23 or the large-diameter disk 1 can be taken out.

After the play as described above, the large-diameter disc 1 on the tray 23 and the large-diameter disc 1 in the disc storage position A
When changing No. Press the desired key from the keys 8. Then, by the lowering operation of the lifting / lowering means 70, the lifting / lowering table 201 is lowered to release the clamp, and the lower spindle 41 is lowered to form a gap between the lower spindle 41 and the upper spindle 31. The front state is set (see FIG. 19B and FIG. 30B).

Subsequently, by operating the horizontal driving means 100, the tray 23 is moved in the direction of arrow B with respect to the tray base 22, so that the large-diameter disc 1 is positioned in the gap between the spindles 31 and 41, and The center of the large-diameter disk 1 and the center of the large-diameter disk 1 are conveyed to a position where they coincide with the centers of the spindles 31 and 41, whereby the lower spindle is lowered and the tray is in the rear state (see FIG. 19C and FIG. 30C).

Next, the lifting operation of the lifting / lowering means 70 causes
The lifting base 42 is raised, and the large-diameter disc 1 is lifted by the tray 23 to be in a stock state (D in FIG. 19).
FIG. 22C and FIG. 31A). Then, after passing through the switching mode, the disk holding means 30 is moved up by one pitch of the spacer through the gear train 151, and thus the large-diameter disk 1
Is held on the upper spindle 31 side via a spacer 38.

Next, by the lowering operation of the lifting / lowering means 70,
After the raising / lowering base 42 is lowered and a gap is formed between the spindles 31 and 41, the tray 23 moves in the direction of arrow A with respect to the tray base 22 by the operation of the horizontal driving means 100, and the tray 23 Returning to the recording / reproducing position B, the lower spindle is lowered and the tray is in the front state (B in FIG. 19,
(See FIG. 30B).

Next, the raising / lowering base 42 is raised by the raising operation of the lifting / lowering means 70, so that the two spindles 31 and 41 are connected to each other, and then a change state is established (A in FIG. 20, FIG. 22).
B, FIG. 29A, and FIG. 31B). After passing through the switching mode, the disk holding means 3
0 is rotated, whereby the spacer 38 is moved between the spindles 31 and 41 so that the desired large-diameter disc 1
Is moved to a position where it can be held at the lowermost position on the upper spindle 31 side.

Next, by the lowering operation of the lifting / lowering means 70,
After the raising / lowering base 42 is lowered to form a gap between the spindles 31 and 41, the tray 23 is moved relative to the tray base 22 in the direction of arrow B by the operation of the horizontal drive unit 100, and the spindles 31 and 41 are moved. Empty tray 2 in the gap between 41
3 is positioned (when the lower spindle is lowered and the tray is rear).

Next, by the lifting operation of the lifting / lowering means 70,
The elevating base 42 moves up, the two spindles 31 and 41 are connected to each other, and returns to the stock state (D in FIG. 19, FIG. 2).
2C, see FIG. 31A). After passing through the switching mode, the disk holding means 30 is lowered via the gear train 151, and the target large-diameter disk 1 held on the spindle 31 side is transferred onto the tray 23.

Next, by the lowering operation of the lifting / lowering means 70,
After the raising / lowering base 42 is lowered to form a gap between the spindles 31 and 41, the tray 23 moves in the direction of arrow A with respect to the tray base 22 by the operation of the horizontal drive unit 100, and After the large-diameter disc 1 is positioned at the recording / reproducing position B (when the lower spindle is lowered and the tray is in front), the above-mentioned play state is established (FIGS. 8 and 19A, FIG. 22A, FIG. 29B and FIG. 30A).

As described above, the positions of the plurality of spacers 38 and the plurality of large-diameter disks 1 loaded on the spindles 31 and 41 are driven in the vertical direction, and the arbitrary large-diameter disk 1 is moved to both spindles 31 and 41. From above, the recording / reproducing position B, the first attaching / detaching position C, and again both spindles 31, 41
The disc can be changed with the disc storage position A to 41,
In addition, an arbitrary large-diameter disc 1 can be selected for recording and reproduction.

During the above operation, a plurality of modes among the modes shown in FIG. 32 are performed. In the recording / reproducing apparatus which is an example of the embodiment of the present invention operated as described above, the order of progress of each state at the time of the exchange operation of the disks 1 and 2 is as follows. (1) Horizontal drive in direction B (= drive of lifting / lowering means + drive of disk transport means) "play state" → (change state: straight through) → (spindle open & tray front) → (spindle open & tray rear) → " Stock state. " . Here, the driving is switched from horizontal to vertical driving of the spacer. (2) Vertical drive in the stock state Ascend by one pitch. . . By this operation, the disc on the tray is moved onto the spacer. After one pitch rise, switch to horizontal drive again (3) Horizontal drive in direction a “Stock state” → (spindle open & tray rear) →
(Spindle open & tray front) → "Change state". . Here, the driving is switched from horizontal to vertical driving of the spacer again. (4) Vertical driving in a change state Ascending or descending to a predetermined position. . . Next, the disk to be recorded / reproduced is moved to a position where it can be held at the lowermost portion of the upper spindle. After moving the spacer, switch to horizontal drive again. (5) Horizontal drive in direction B "Change state" → (spindle open & tray front)
→ (Spindle open & tray rear) → “Stock state”. . Here, the driving is switched from horizontal to vertical driving of the spacer again. (6) Vertical driving in the stock state. . . By this operation, the disk on the spacer moves onto the tray. After lowering by one pitch, switch to horizontal drive again. (7) Horizontal drive in direction a “Stock state” → (spindle open & tray rear) →
(Spindle open & tray front) → (Change status:
Pass-through) → "play state". . Disc change is over! The above operation shows the procedure for automatically changing the disc being played to another disc stored in the spindle. Various operations, such as selecting a disc to play or opening, can be performed by key operation.

Apart from the recording and reproduction of the large-diameter disc 1 described above, the disc 4 stored in the cartridge 3
Is recorded and reproduced. That is, FIGS. 9 and 16A show a state in which the cartridge 3 is inserted from the second detachable position D onto the cartridge receiver 229 irrespective of the recording / reproducing of the large-diameter disk 1. At this time,
When the operation switch 243 is turned on, the cartridge transport unit 2
30 is operated to draw the cartridge 3 to the cartridge storage position E and stop. As a result, FIG.
As shown in (B) of FIG. 6, the disk 4 enters a standby state.

In such a standby state, as shown in FIG. 11, the above-mentioned tray base 22 is moved in the direction of arrow a to protrude, thereby replacing the large-diameter disc 1 on the tray 23 or replacing the large-diameter disc. The disk 1 can be taken out.

When the second key 14 is pressed in the standby state of the disk 4 as described above, the tray 23 is pressed.
Is moved to the disk storage position A side, and a space is created between the turntables 212 and 207 in conjunction with this movement as shown in FIG. Then, the cartridge 3 in the cartridge storage position E is
As shown in FIG. 10 and FIG. 16C, the cartridge 3 is loaded into the space between the two turntables 212 and 207 in the direction of arrow B, and the cartridge 3 is moved to the second recording / reproducing position G. And stopped.

In this state, the elevator 201 of the recording / reproducing means 200 is raised in the direction of arrow C, and the second turntable 207 is engaged with the disk 4 in the cartridge 3 as shown in FIG. Thus, recording and reproduction of the disk 4 becomes possible. It should be noted that the cartridge 3 after recording and reproduction of the disk 4 is returned to the cartridge storage position E and waits, or is taken out from the second detachable position D.

In the disk changer which is an example of the embodiment of the present invention operated as described above, the large-diameter disk 1 is handled, but the small-diameter disk 2 can be handled similarly. Even if the disc 1 and the small-diameter disc 2 are mixed, they can be handled similarly.

[0178]

The recording / reproducing apparatus of the present invention comprises an optical pickup commonly used for recording / reproducing a first recording medium, a second recording medium housed in a cartridge, and an output shaft of a recording / reproducing motor. A first turntable for rotating a first recording medium and a second turntable for a second recording medium, a first transport unit capable of moving the first recording medium, and a second recording medium The first turntable is provided on the second turntable, and is configured to be detachable above the second turntable, so that the second recording medium can be moved. When moving to the second recording / reproducing position, the first turntable is raised in conjunction therewith, so that the overall structure is simple while the first and second recording media are mounted. Can be
In addition, both the first recording medium and the second recording medium can be stored at the same time, and the stored first and second recording media can be alternately recorded and reproduced.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a recording / reproducing apparatus according to an embodiment of the present invention when closed.

FIG. 2 is an external perspective view of the recording / reproducing apparatus according to the embodiment of the present invention when it is opened.

3 shows a tray base and a tray of the recording / reproducing apparatus according to the embodiment of the present invention, wherein A is a plan view, B is a longitudinal side view, and C is a longitudinal front view.

FIG. 4 is a plan view of the recording / reproducing apparatus according to the embodiment of the present invention with an outer case removed.

FIG. 5 is a vertical cross-sectional view showing a disk holding unit of the recording / reproducing apparatus according to the embodiment of the present invention when the lower spindle is lowered.

FIG. 6 is a longitudinal sectional view showing the disk holding means of the recording / reproducing apparatus according to the embodiment of the present invention, when the lower spindle is raised.

FIG. 7 is a plan view showing elevating means of the recording / reproducing apparatus according to the embodiment of the present invention;

FIG. 8 shows a recording / reproducing unit of the recording / reproducing apparatus according to the embodiment of the present invention, and is a side view of a CD playing mode and an MD standby mode.

FIG. 9 shows a recording / reproducing means of the recording / reproducing apparatus according to the embodiment of the present invention, and is a side view when the MD is inserted / removed during CD play.

FIG. 10 is a side view of the recording / reproducing means of the recording / reproducing apparatus according to the embodiment of the present invention, showing a state in which a CD is stored and an MD is played.

FIG. 11 shows a recording / reproducing unit of the recording / reproducing apparatus according to the embodiment of the present invention, and is a side view when the CD is open and the MD is on standby.

FIG. 12 shows a recording / reproducing unit of the recording / reproducing apparatus according to the embodiment of the present invention, and is a longitudinal sectional side view of a main part during CD play.

FIG. 13 is a plan view showing a recording / reproducing unit of the recording / reproducing apparatus according to the embodiment of the present invention, which is used when playing a CD.

FIG. 14 is a plan view showing the recording / reproducing means of the recording / reproducing apparatus according to the embodiment of the present invention, which is used during MD play.

FIG. 15 is a plan view of a main part of the recording / reproducing apparatus according to the embodiment of the present invention, showing a cartridge transport unit when the cartridge is received;

16A and 16B show a cartridge transport unit of the recording / reproducing apparatus according to the embodiment of the present invention, wherein A is a plan view at a cartridge attaching / detaching position, B is a plan view at a cartridge standby position,
C is a plan view at the cartridge recording / reproducing position.

FIG. 17 is an exploded perspective view of a rack and gears, showing a lifting unit and a horizontal driving unit of the recording / reproducing apparatus according to the embodiment of the present invention.

FIG. 18 is a cross-sectional plan view of a speed-increasing gear portion, showing the lifting / lowering means and the horizontal driving means of the recording / reproducing apparatus according to the embodiment of the present invention.

19A and 19B show the elevating means and the horizontal driving means of the recording / reproducing apparatus in the embodiment of the present invention, wherein A is a side view at the time of play, B is a side view at the time of lowering the lower spindle, and C is a side view at the time of the tray rear. , D is a side view at the time of stock

20A and 20B show a lifting / lowering unit and a horizontal driving unit of the recording / reproducing apparatus according to the embodiment of the present invention, wherein A is a side view at the time of change, B is a side view at the time of closing, and C is a side view at the time of opening.

FIG. 21 is a plan view of a stopper portion, showing the lifting / lowering means and the horizontal driving means of the recording / reproducing apparatus in the embodiment of the present invention.

22 shows horizontal drive means and switch arrangement of the recording / reproducing apparatus according to the embodiment of the present invention, wherein A is a side view at the time of play, B is a side view at the time of change, and C is a side view at the time of stock.

FIG. 23 is a plan view showing a disc exchange operation of the recording / reproducing apparatus according to the embodiment of the present invention, during play.

FIG. 24 is a plan view of the recording / reproducing apparatus according to the embodiment of the present invention, showing a horizontal state maintaining unit when the disk performance is lowered.

FIG. 25 is a front view of the recording / reproducing apparatus according to the embodiment of the present invention, showing a horizontal state maintaining unit when the disk performance is lowered.

FIG. 26 is a front view showing a horizontal state maintaining unit of the recording / reproducing apparatus according to the embodiment of the present invention, and showing a state in which the performance of the disk is raised.

FIG. 27 is a plan view showing horizontal driving means of the recording / reproducing apparatus in the embodiment of the present invention.

FIG. 28 shows horizontal drive means of the recording / reproducing apparatus in the embodiment of the present invention, wherein A is a developed side view when switching to the disc holding means side, and B is a developed side view when switching to the horizontal drive means side.

FIG. 29 shows a disk gap securing means of the recording / reproducing apparatus according to the embodiment of the present invention, wherein A is a side view at the time of off, and B
Is the side view when turned on

FIG. 30 shows a disc exchange operation of the recording / reproducing apparatus in the embodiment of the present invention, wherein A is a side view at the time of play, B is a side view at the time of lowering the lower spindle and at the time of tray front,
C is a side view of the lower spindle lowered and the tray rear

FIGS. 31A and 31B show a disc exchange operation of the recording / reproducing apparatus in the embodiment of the present invention, where A is a side view at the time of disc stock and B is a side view at the time of disc change

FIG. 32 is a timing chart for switching each mode of the recording / reproducing apparatus according to the embodiment of the present invention.

FIG. 33 is a timing chart of each part of the recording / reproducing apparatus according to the embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 large-diameter disk (first recording medium) 2 small-diameter disk (first recording medium) 3 cartridge 3a locked concave portion 4 disk (second recording medium) 5 recording / reproducing device 6 front panel 6a first insertion port 13 First Key 14 Second Key 16 Outer Case 20 Device Body 21 Disk Transport Means (First Transport Means) 22 Tray Base 22e Second Insertion Port 23 Tray 23a Cam Body 24 12cm Disk Holder 25 8cm Disk Holder Part 27 carrier 28 rack 30 disk holding means 31 upper spindle 33 disk holder 38 spacer 41 lower spindle 42 elevating base (spindle base) 70 elevating means 71 plate 75 upper rack 76 lower rack 81 plate 87 connecting lever 90 intermediate gear 94 cam cylinder Body 96 Cam groove 100 Horizontal Driving means 101 Drive gear 103 Drive rack 106 Speed increasing gear 108 Passive gear 130 Horizontal maintaining means 140 Drive source 147 Cylindrical gear 149 Gear train 151 Gear train 161 Switching gear 165 Drive switching means 170 Disk gap securing means 172 Lever 173 Entry portion 180 Detecting means 200 Recording / reproducing means 201 Lifting table 203 Pin 204 Pin 205 Recording / reproducing motor 206 Output shaft 207 Second turntable 208 Lever body 212 First turntable 213 Magnetic body 214 Magnet body 218 Disk clamper 222 Movable body 223 Optical pickup 225 Feeding motor 227 First switch 228 Second switch 229 Cartridge receiver 229h Cam-shaped recess 230 Cartridge transport means (second transport means) 231 Drive rack 233 Motor 235 Belt transmission mechanism 236 Gear transmission mechanism 238 Operating lever 240 Cartridge pushing / pulling body 240b Locking section 243 Operation switch A Disk storage position B Recording / reproduction position C First detachment position D Second detachment position E Cartridge storage position F First recording / reproducing position G Second recording / reproducing position

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G11B 33/12 313 G11B 33/12 313D

Claims (7)

[Claims] 1. A recording / reproducing apparatus for recording / reproducing a first recording medium stored in a tray and a second recording medium stored in a cartridge, wherein a first insertion into which the tray is inserted An opening and a second insertion opening into which the cartridge is inserted; an optical pickup shared for recording and reproduction of the first and second recording media; and a first recording medium rotated by an output shaft of a recording and reproduction motor. A first turntable and a second turntable for a second recording medium, a first attachment / detachment position at which the tray can be protruded to attach / detach the first recording medium, and the first turntable A first recording / reproducing position at which the first recording medium can be recorded / reproduced, a first transporting means capable of moving the first recording medium with the tray, and a detachable second recording medium A second attaching / detaching position and the second attaching / detaching position. A second recording / reproducing position at which a second recording medium can be recorded / reproduced on a turntable; and a second transport means capable of moving the second recording medium; Above the second turntable, and is configured to be detachable above the second turntable. When the second recording medium is moved to the second recording / reproducing position, the first recording medium is moved in conjunction with the second recording medium. A recording / reproducing apparatus characterized in that the turntable is raised. 2. The first recording medium and the second recording medium can be stored at the same time, and during recording and reproduction of the first recording medium, the second recording medium can be stored in a storage position and a second position. 2. The recording / reproducing apparatus according to claim 1, wherein the recording / reproducing apparatus is configured so as to be movable between a detachable position and a detachable position. 3. When the first recording medium is moved to a first attachment / detachment position, the second recording medium does not operate in synchronization with the first recording medium and stops at the storage position. 3. The recording / reproducing apparatus according to claim 2, wherein the apparatus is configured. 4. A first recording / reproducing position of the first recording medium, a first attaching / detaching position of the first recording medium, and a second recording / reproducing position of the second recording medium, 2. The structure according to claim 1, wherein each of said plurality of members has a height in a vertical direction.
The recording / reproducing apparatus as described in the above. 5. The recording medium according to claim 1, wherein the first recording medium is not located at an upper position of the second recording medium but is moved to a storage position while the second recording medium is recording / reproducing at a recording / reproducing position. The recording / reproducing apparatus according to claim 1, wherein the recording / reproducing apparatus is configured. 6. The storage position of the second recording medium is a downward position of a first recording / reproducing position of the first recording medium in the vertical direction, and the second mounting position is different from the second mounting position in the mounting / dismounting direction. 2. The recording / reproducing apparatus according to claim 1, wherein the recording / reproducing apparatus is arranged between the recording and reproducing positions. 7. The optical pickup according to claim 1, wherein a moving range of the first recording medium is different from a moving range of the second recording medium. Therefore, a switch for detecting an inner circumferential limit between the first recording medium and the second recording medium. 2. The recording / reproducing medium loading apparatus according to claim 1, further comprising: