JPH11213516A - Automatic carrier reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely detect the presence or absence of a disk transported in a disk transport means during the process of bringing a disk accommodated in a disk accommodation means or a disk having been-reproduced by a disk driving means up to a disk driving device or the disk accommodation means via the disk transport means. SOLUTION: A disk carry-out part 16 composing a disk transport part 4 is provided with at least two photo-sensors 36L and 36R on the vertical part 16a, and the state in the disk transport means is monitored by measuring a transport time of the presence or absence of the disk 2 transported in a disk loading 15. Since a catch, etc., on the disk can be avoided in this manner, the recording surface is prevented from being damaged. Moreover, it is possible to speedily detect failures related to the motor and the transport mechanism by detecting the moving time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a method of selecting a carrier from carrier storage means capable of storing a carrier such as an optical disk and setting the carrier in the carrier reproducing means via the carrier transport means, or setting the carrier in the carrier reproducing means. In a carrier automatic regeneration device configured to take out a carrier and store the carrier in the carrier storage means via the carrier transport means, the presence or absence of the carrier is detected in the carrier transport means, and the carrier is generated when the carrier is transported. The present invention relates to an automatic carrier regenerating apparatus configured to prevent breakage of a carrier.

[0002]

2. Description of the Related Art Conventionally, a plurality of carriers such as a CD as a read-only optical disk or an MD or the like housed in a recordable / reproducible cartridge are arranged in a carrier housing means. By designating the carrier at an arbitrary address stored in the storage device via the operating device, the carrier reproducing or / and / or recording device for reproducing or / and recording the specified carrier from the carrier storage device via the carrier transporting device ( Hereinafter, the description will be made as a disk drive unit including a reproducing or / and recording unit.) Or a carrier mounted on the disk drive unit is picked up, and the carrier is transported through the carrier transport unit. An automatic changer-type automatic carrier regenerating apparatus configured to be accommodated in the carrier accommodating means is widely used and known.

FIG. 12 shows an automatic carrier regenerating apparatus (hereinafter, referred to as an autochanger) as previously proposed by the present applicant.
1 shows a main part configuration diagram of a side surface of a vehicle, in which a carrier (hereinafter, referred to as a disk) 2 such as a plurality of optical disks is divided into partition plates 11.
a, 11b}, a rail 12a is laid under the front of the opening of the storage means 3a for storing or removing the disk, and along the longitudinal direction of the rail 12a. The disk transport means 4 is slidably pivotally mounted.

[0004] A disk loader 15 constituting carrier guide means is rotatably mounted on the disk transport means 4 described above. This disk loader 15 has a disk 2
And a guide roller 25 for holding the disk 2 on the turntable 20 of the disk drive means 5a or 5b is provided. The disk 2 mounted on the turntable 20 is disposed on the chassis 10. The disk is clamped by disk clampers 5a 'and 5b' rotatably connected to the disk driving means 5a and 5b, and a reproducing or recording state is established.

[0005] The disk transport means 4 is moved to the position of the designated disk 2 stored in the disk storage means 3a in the above-described configuration, and is rotated so as to be parallel to the vertical portion 16a of the disk transport means 4 to be moved vertically. The designated disk 2 is taken into the disk loader 15 in the state.

Next, in order to reproduce the designated disk 2, for example, the disk transport means 4 including the disk loader 15 is moved along the rails 12a and 12b to the empty disk drive means 5a, as shown in FIG. As shown in the drawing, the disc loader 15 is brought down to the disc driving means 5a side while being brought on the predetermined turntable 20, so that the inclined portion of the turntable 20 is inserted into the center hole of the disc 2 and the guide roller 25 is moved. Is moved in the radial direction of the disk 2, and the disk 2 is placed on the turntable 20. After that, the disk loader 15 is rotated backward toward the vertical portion 16a of the disk transport means 4 to return to the original position.

Then, the disk clamper 5a 'provided in the disk drive means 5a is rotated to
Is clamped to be in a reproduction or recording state.

After the reproduction of the disk 2 is completed, the outer periphery of the disk 2 is gripped by the guide rollers 25 of the disk loader 15 by the operation reverse to that described above.
After rotating clockwise in 2 to bring the disc to the vertical state, the disc transport means 4 is moved in the longitudinal direction along the rail 12a and brought to a predetermined position of the disc storage means 3a.
The guide roller 25 is released and the disc 2 is stored at a predetermined storage position.

[0009]

As described in the above-mentioned conventional configuration, the process of loading the disk from the disk transport means via the disk loader to the disk driving means and establishing the reproduction state, and determining whether the disk is in the reproduction end state. The disk is held by the disk loader,
In the process of being stored in the disk storage means, playback specified,
Alternatively, the detection for confirming the presence / absence of a disk designated to be stored is performed by using a focus control signal by using a reproduction designation or storage designation disc set in the disc drive means, for example, using a focus control method of an astigmatism method. It has been confirmed that the disk has been set in the disk drive means or has been set. Alternatively, the presence or absence of a disk is detected by a disk detection sensor provided in the disk drive means.

Therefore, after moving the disk transport means to the designated disk address to the disk position where a plurality of disks are arranged in the disk storage means and stopping it, the disk is loaded from the disk storage means into the disk loader of the disk transport means. During the loading, the disk loaded into the disk loader is driven by the disk transport means to move it to a predetermined disk driving means position, and the disk loader is further rotated to place the disk on the turntable of the disk driving means. The disk is detected even when the disk is in an abnormal state until the disk is placed and during each operation of storing the disk on the turntable in each shelf of the disk storage means, contrary to the above-described respective cases. It was not possible to grasp what kind of abnormality occurred.

Therefore, even if the disk is hooked while the disk is being transported from the disk storage means to the disk loader of the disk transport means, a disk abnormality cannot be detected, so that the transport operation is continued and the disk is damaged or damaged. Had a problem of causing damage.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to solve the problem by transferring a disk from a disk storage means to a disk drive means via a disk loader of a disk transport means. Until placing,
Providing disk detection means capable of detecting the transport state of the disk and the transport setting position, when an abnormal state occurs during disk transport, detects the abnormality, stops the transport operation, and notifies the abnormal state by display means or the like. Thus, failure of the disc and the autochanger is prevented.

[0013]

A first automatic changer according to the present invention selects a predetermined disk from a disk storage unit storing a plurality of disks, and mounts the disk on a disk drive unit via a disk transfer unit. In an autochanger configured to automatically play a disk, a disk loader is provided in the disk transport means and is provided in the disk drive means, and is provided in the disk drive means and is provided in the disk loader. Disk detection means for detecting the presence or absence of a disc, and control means for measuring a time change of the detection signal based on the detection signal from the disk detection means. Is satisfied, the control means controls to stop the operation of the disk transport means.

According to a second aspect of the present invention, there is provided an automatic changer for automatically storing a reproduced disk in a disk storage means capable of storing a plurality of disks from a disk drive means via a disk transport means. A disk loader provided in the disk transport means, for detaching the disk from the disk drive means, a disk detection means provided in the disk transport means, provided in the disk loader and detecting the presence or absence of the disk,
Based on the detection signal from the disk detection means, the control means for measuring the time change of the detection signal, the control means, when an abnormality in the disk loader is recognized,
The control means controls the operation of the disk transport means to stop.

In a third aspect of the present invention, the disc detecting means for detecting the presence or absence of a disc provided in the disc loader comprises at least two light detecting elements.

A fourth aspect of the present invention is an autochanger provided with storage means capable of recording a disk transport position and a measured time when the control means detects a disk abnormality with a disk loader.

An autochanger according to a fifth aspect of the present invention is provided with a notifying means such as a display or an alarm for notifying the abnormal state of the disk when the control means detects the abnormality of the disk with the disk loader.

According to a sixth aspect of the present invention, when the disk is moved from the disk transport means to the disk loader or from the disk loader to the disk storage means, the disk detecting means can at least detect the center hole position of the disk at a detectable position. It is characterized by being provided.

According to the autochanger of the present invention, the predetermined disk to be reproduced, which is instructed by the operating means, is taken out from the disk storage means by the disk transport means and the disk loader, the predetermined disk is gripped by the disk loader, and the disk drive means Since the disk transport state can be detected until the predetermined disk is loaded and until the optical disk is stored at a predetermined position of the disk storage position from the disk drive means, the disk can be detected while the disk is being transported. When an abnormality occurs, the abnormality can be detected, the disk transport means can be stopped, and the disk can be prevented from being damaged.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an automatic carrier regenerating apparatus (autochanger) of the present invention will be described with reference to the drawings. Prior to describing the system diagram of the present invention shown in FIG. 1, the overall configuration of the autochanger used in the present invention will be described with reference to the drawings in FIG.

In the casing 9 (see FIG. 3) of the autochanger 7 of the present invention shown in FIG. 2, at least one disk drive means 5a and a disk drive means 5a are provided on the chassis 10 in the depth direction of the casing 9 from the front panel side. 5b is provided.

Disk storage means 3 in which cartridges storing a plurality of CDs or MDs can be arranged side by side from the panel side to the left and right sides of the disk drive means 5a and 5b.
a and 3b are provided.

The disk storage means 3a and 3b are configured so that the disk 2 is stored and held in a plurality of grooves formed by a plurality of partition plates 11a and the next partition plate 11b, respectively. The front side and the top side are formed with openings.

The left and right disk storage means 3a and 3
b can be slid into the casing 9 along the chassis 10 in the depth direction from the panel side, and replacement of the disk 2 is easily performed by pulling out these left and right disk storage means 3a and 3b toward the front (panel side). It is made to be able to do.

Rails 12a and 12a are provided between the left and right disk storage means 3a and 3b and the disk drive means 5a and 5b along the upper surface of the chassis 10 in the depth direction from the panel side.
b, and the disk transport means 4 is slidably disposed along both rails 12a and 12b.
A wire 13 schematically shown in FIG.
By driving with, it is configured to move in the A direction.

The disk transport means 4 is provided with the above-mentioned rail 12a.
Parts 13a and 13b sliding along and 12b
A disk loader 15 rotatable with respect to the sliding portions 13a and 13b;
a and 3b and a disk transport section 16 for bridging the disk drive means 5a and 5b disposed at the center of the casing 9.

First, the sliding portion 13a of the disk transport means 4
And 13b will be described with reference to the front view of FIG. On the upper surfaces of the sliding parts 13a and 13b, a disk 2 is inserted from a disk storage means 3a and 3b into a disk loader 15 described later.
The guides of the inclined portions 17 are formed so as to easily take out the discs. Further, the guides are inserted into the through holes 18 formed in the bottom surfaces of the left and right disk storage means 3a and 3b to separate the partition plates 11a and 11b.
Lifters 19 and 1 for moving disk 2 held between them up
Reference numeral 9 is pivotally attached to the sliding portions 13a and 13b.

The lifters 19 and 19 are driven by a motor, as will be described later, or are operated by a plunger or the like.

The disk loader 15 of the disk transport means 4 is formed in a substantially square casing into which the disk 2 can be inserted. As will be described later, as shown in FIG. The disk drive means 5a rotates
, 5b.

At the center of the disk loader 15, a through hole 21 for mounting the clamper 24 together with the disk 2 on the turntable 20 provided on the disk drive means 5a and 5b is formed.

The left and right side walls of the disk loader 15 are configured such that the disks 2 arranged side by side in the left and right disk storage means 3a and 3b can be inserted therein. A drum-like guide roller 25, 25 # for holding the outer periphery of the disc 2 inserted in the disc loader 15 at four locations is provided with a clamper 24 for holding the magnet by a magnet provided on the turntable 20, It is disposed at an equally dividing angle position.

The four guide rollers 25, 25 °
Is elastically held when the disk 2 selected from the disk storage means 3a and 3b is inserted into the disk loader 15 from the left and right sides, as described later, and is indicated by an arrow D in FIG. In such a manner as to move radially.

Further, the disc unloading section 16 constituting the disc transport means 4 is formed of a slab member having a rectangular parallelepiped shape and provided with an opening at the lower surface, which is provided so as to bridge in the direction of the right and left side walls of the casing 9 of the autochanger 1. A guide roller 27 for moving the disk 2 moved upward by the lifter 19 into the disk loader 15 is provided. The guide roller 27 is movable along the longitudinal direction of the spar member of the disk unloading section 16 together with the disk pressing roller 30 pivotally attached to the support member 31.

The support member 31 and the guide roller 27 can be moved in the left-right direction, for example, along a slit 33 via a drive motor, which will be described later, provided in the beam member of the disk unloading section 16. To the disk loader 15
It is configured to be pressed and inserted into the inside. Of course, the disk transport section 16 is configured to move along the rails 12a and 12b in synchronization with the sliding sections 13a and 13b.

FIG. 4 is a perspective view of a main part when the disk transport device 4 and the disk loader 15 of the present invention are rotated on the disk drive device 5a. Vertical part 16a and sliding part 13a
And 13b, and the disk loader 15 is
And the disk 2 is placed on the disk drive 5a.

A magnet 35 is fixed substantially at the center of the vertical portion 16a, and optical sensors 36L and 36R are disposed at the left and right ends of the magnet 35. This light sensor 36L
And 36R are each composed of a light emitting element and a light receiving element like a photocoupler, and light emitted from a light emitting element such as a light emitting diode is held on the opposite side of the disk loader 15 through a through hole 37 formed in the disk loader 15. The light reflected by the reflecting surface of the disc 2 is received again by the light receiving elements such as the photodiodes of the optical sensors 36L and 36R through the through holes 37, and the disc 2 is conveyed to the disc loader 15 or completely. It is configured to detect whether or not the data is held.

FIGS. 5A to 5C show the structure of the disk loader 15 which is rotated in the direction C from the disk discharge section 16 according to an embodiment of the present invention. FIG. 5A is a front view of the disk loader. 5B is a side view, FIG. 5C is a rear view, and FIG. 6 is a side sectional view of a disk loader and a clamper.

In FIG. 5A, the disk loader 15 cuts both upper corners of a substantially rectangular plate material obliquely, and mounts the clamper 24 at the center position of the substrate 40 on which the upper and left and right folded portions are formed in the back direction. It has a storage section 41 for storing, and a cam 42 (see FIG. 5C) is arranged on the outer periphery of the storage section 41 so as to be rotatable around the outer circumference of the storage section 41.

On the substrate 40 of the disk loader 15, four guide rollers 25, 25, 25, 25 that can move in the radial direction around the clamper 24 described with reference to FIGS. Four first to fourth arms 43
a, 43b, 43c, 43d are support shafts 44a, 44c, 4
It is pivotally connected by 4d.

The first and third arms 43a and 43c are formed in a substantially butterfly shape, and the first and third arms 43a and 43c are formed.
A guide roller provided with a truncated conical notch at an intermediate position as shown in FIG. 5B to abut the outer periphery of the disk 2 at a position corresponding to the butterfly wing-shaped head of FIG. The first and third arms 43a and 43c are pivotally attached to shafts erected on the first and third arms 43a and 43c, respectively.

Also, the first and third arms 43a and 43
5A, pins 45a and 45b erected in the direction of the paper surface of FIG. 5A are formed in the guide grooves 48a and 48b formed on the substrate 40 with the support shafts 44a and 44c as radii. Through.

Further, the first and third arms 43a and 43a
The pins 46a and 46b erected at the tip of the blade corresponding to the other blade of the butterfly wing shape of FIG. 3c are engaged with one ends of the second and fourth arms 43b and 43d formed in a substantially rhombic shape. , The second and fourth arms 43b and 43d
5A, a guide roller 25 is rotatably mounted on a shaft which is set up in a direction opposite to the paper surface direction in FIG. 5A.

The first and second arms 43a and 43b and the third and fourth arms 43c and 43d which are disposed vertically around the clamper 24 is engaged with the first and third arms 43a ₁ 43c The pins 45a and 45b are biased by springs 47a and 47b in opposite directions indicated by arrows a and b.
At one end. In this state, the disk 2 is held by the four guide rollers 25, 25, 25, 25.

The guide grooves 48a and 48b move the substrate 4
The pins 45a and 45b protruding to the back side of the abutment 0 come into contact with a cam 42 rotatably arranged around the accommodating portion 41 as described later, and the four rollers 25, 25, 2 are rotated by the rotation of the cam 42.
5 and 25 are rotated about the support shafts 44a, 44b, 44c and 44d in the directions indicated by arrows c and d of the guide grooves 48a and 48b, and moved to positions separated from the outer periphery of the disk 2.

As shown in the side sectional view of the disk loader 15 in FIG. 6, which shows a sectional view taken along the line AA 'in FIG.
4 'are arranged one on top of the other.

The clampers 24 and 24 'are formed in a cylindrical shape, and a flange 51 is provided on the upper surface. The flange 51 is engaged with a projection 52 provided on the clamper holding portions 49a and 49b. And the clampers 24 and 2
The bottom of 4 'is provided with a tapered recess 53 which engages with a semi-conical projection provided on the turntable 20, and a disc 54 made of a magnetic material such as iron is fixed to the bottom of this recess. ing. The disk 54 is attracted by a magnet 55 embedded in the top of the turntable 20.

Further, a ring 56 of iron or the like is provided concentrically around the disk 54 above the clampers 24 and 24 '. A concentric groove 57 is provided between the outer periphery of the clampers 24 and 24 'and the recess 53.

When the disk loader 15 is moved to the position of the magnet 35 provided on the vertical portion 16a of the disk transport section 16 as shown in FIG. Holds the two clampers 24 and 24 ', which are stored in the storage portion 41 in a stacked manner, so that the vibrations do not rattle even if the robot moves at high speed along the rails 12a and 12b.

Next, the clamper clamping portions 49a and 49b
This will be described with reference to FIGS. 5 (A), (B) and FIG. The clamper holding portions 49a and 49b hold the clampers 24 and 24 'when the clampers 24 and 24' are stored in the storage portion 41 in an overlapping manner.
Protrusions 52 are provided for engagement with the flanges 51 of the 4 and 24 '. Further, the grooves 57 of the clampers 24a and 24' are hooked and held at the tips of the arms 59 extending in an L-shape from the sliding portions 58. Claw portion 60 is provided.

By turning the cam 42 shown in FIG. 5C, the arms 5 are inserted into the concave portions 61a and 61b provided on the inner periphery of the cam 42.
9 and 59 are put in and out, and the clamper 24 is held or released by the claw portions 60 and 60 and the protrusion portions 52 and 52 of the clamper holding portions 49a and 49b so that the clamper 24 is placed on the turntable 20. I have.

Next, the cam 42 will be described with reference to FIG. 5C.
A part of the outer periphery of the cam 42 has a rack that meshes with a gear 64, and the gear 64 is driven by a motor 65. Cam 42
The motor 65 controls rotation stop, rotation direction switching, and the like under the control of the motor 65.

The pins 45a and 45b erected on the arms 43a and 43c shown in FIG. 5A pass through the guide grooves 48a and 48b formed in the substrate 40 of the disc loader 15 as shown in FIG.
C is in contact with the cam surface of the cam 42. When the cam 42 is rotated clockwise via the motor 65, the pins 45a and 45b are moved in the outer circumferential direction of the cam 42 so that the guide rollers 25, 25 # are driven in a direction out of the state of holding the disk 2. Although not shown, an inclined surface for guiding is provided on the cam 42.

When the cam 42 is rotated clockwise about the storage portion 41, the clamper holding portions 49a and 49b are biased outward by the springs 66 and 66.
Arm portions 59 and 59 of clamper holding portions 49a and 49b
Enters the recesses 61a and 61b, and the clamper holding portions 49a and 49b are moved by the elasticity of the springs 66 and 66.

That is, in FIG. 6, the clamper clamping portions 49a and 4
9b moves in the directions shown by arrows f and g, and clamper 2
4 'grooves 57 and claws 6 of arms 59 and 59 in 57
0 and 60 are locked in the corners in the groove and
1 and the lower clamper 24 which is disposed in an overlapping manner.
The protrusions 52 and 52 of the sliding parts 58 and 58 of the clamper holding parts 49a and 49b locked to the flange 51 of the
And the lower clamper 24 is removed from the storage section 41 as shown in FIG.

The sliding portions 58 and 58 of the clamper holding portions 49a and 49b and the substrate 40 are provided with an optical sensor 36 provided on the vertical portion 16a of the disk transport portion 16 described with reference to FIG.
Through holes 37 are formed for emitting light from L and 36R to the disk side.

FIG. 1 is a system diagram of an autochanger having the above-described configuration.

FIG. 1 is a plan view showing each of the above-mentioned mechanisms. At the center, only one disk drive means 5a is shown. Disk storage means 3a and 3b are provided on the left and right of the disk drive means 5a, and a plurality of disks 2 are provided between the partition plates 11a and 11b.

The disk transport means 4 is connected to the disk loader 15
And rails 12a and 1 together with sliding portions 13a and 13b.
The motor 14 for sliding in the direction A of 2b
For example, one end of a wire 13 wound endlessly around a pulley fitted to the shaft of a motor 14 and a motor 14 is engaged with, for example, one end of a sliding portion 13a, and the disk transport means 4 is moved longitudinally of the disk storage means 3a and 3b. The motor 14 is controlled by the transport motor control 71 in order to move along the direction (A direction) and stop at a predetermined address position.

The motor or the plungers 72a and 72b for driving the lifter 19 for pushing up the selected disk 2 from below the disk storage means 3a and 3b are also controlled by the transport motor controller 71.

The discs 2 stored in the left and right disk storage means 3a and 3b are selected and moved upward by the lifter 19,
In order to insert the disk 2 into the disk loader 15 from the left and right sides of the substrate 40 of the disk loader 15 and hold the disk 2 on the guide rollers 25, a disk pressing provided at the tip of the support member 31 along the slit 33 of the disk unloading section 16. The motor 73 for moving the roller 30 and the guide roller 27 in the direction of arrow B and the disk loader 15
The motor 74 for turning the cam 42 on the disk drive means 5a or 5b in the direction of arrow C (see FIG. 2) and the motor 65 for rotating the cam 42 are both controlled by the transport motor controller 71 with the rotation axis as a rotation axis.

When the disk loader 15 is turned down,
1, the disc 2 and the clamper 24 are placed on the turntable 20, and the clamper 24 is attracted to the turntable 20 by magnetic force. The clamper 24 holds the disc 2 on the turntable 20, and the disc 2 is a guide roller 25. , 25} are opened in the direction of arrow D in FIG. 3 and released from the disk loader 15, and the disk loader 15 returns to the original position parallel to the vertical portion 16a. Turntable 2
Motor 75 and optical pickup 7 for rotating 0
The control of the seek servo, the focus servo, the tracking servo, and the like of No. 6 is performed by the servo controller 77.

Further, the first and second optical sensors 36L and 36R for detecting a disk, which are disposed on the vertical portion 16a of the disk transport section 16 of the disk transport means 4, are connected to the guide rollers 25 by the disk loader 15 as described above. , 25}, the light emitted from the light emitting element is emitted to the disk 2 held at 25 °, and the light receiving element detects the state of the disk 2 transported to the disk loader 15 by a photocoupler.
The detection signal from the light receiving element is supplied to the disk detection circuit 78.

The transport motor controller 71, servo controller 77, and disk detection circuit 78 are connected to a system controller 79 composed of a microcomputer (CPU) via a bus. The CPU 79 has storage means such as a ROM 80 and a RAM 81 for normal work, and an operation unit 82 and the like are also connected to the CPU 79 via a bus.

Further, the CPU 79 is also connected to a video / audio controller 83 via a bus. or,
Optical pickup 76 in disk drive means 5a and 5b
Playback disc from the video and audio controller 8
3 is also given. The video or audio data is converted into data corresponding to each format by a video / audio decoder 84, the video signal is displayed on a monitor display CRT 86 or the like via an amplifier 85a, and the audio signal is transmitted to an amplifier 85b. The sound is supplied to the speaker 87 and emitted.

The operation of the present invention with the above configuration will be described with reference to FIGS. The operation unit or the commander 82 in FIG.
When an instruction to select a disk 2 at a predetermined address is given from the disk storage means 3a or 3b to the autochanger 1 via the like, the CPU 79 drives the transport motor controller 71 based on the work ROM 80 and the RAM 81 to drive the motor 14 Is rotated to move the disk transport means 4 to a predetermined designated address position and stop.

Next, the transport motor controller 71 drives the motor or the plunger 72a or 72b to drive the lifter 1
By rotating the selected disk 9, the selected disk 2 is moved upward from the solid line position in FIG. 3 to the dashed line position through the through hole 18 formed in the bottom of the disk storage means 3a or 3b. When the selected disk 2 is moved upward, the disk 2 in the state shown by the solid line in FIG. 3 is moved upward to the position shown by the dashed line, and the upper end of the outer periphery of the disk 2 is guided by guide rollers 27 provided in the disk unloading section 16.
And the disk pressing roller 30.

From this state, the data is transferred from the left and right sides of the disk loader 15 toward the clamper 24 as shown in FIG. In this manner, the disk 2 is stored in the disk storage means 3a or 3
b is transferred into the disk loader 15 and the position signals of the disks indicated by the symbols (1) to (3) in FIG.
First and second optical sensors 36 disposed in the vertical portion 16a
Detect at R and 36L.

FIG. 7 is a flow chart showing the process from unloading the disc from the disc storage means 3a or 3b to reproducing the selected disc 2 by the disc driving means 5a or 5b and reproducing the same. The timing waveform chart of FIG. It is explained together with.

In FIG. 11, when the disk 2 is in the position, the disk 2 is stored in the disk storage means 3a or 3b, and the detection outputs of the first and second sensors 36R and 36L are shown in FIG. And L as shown in FIG.
State.

Next, as described above, when the lifter 19 moves upward and the outer peripheral portion of the disk 2 blocks the light of the first optical sensor 36R and the detection output of the first sensor 36R becomes H in FIG. as is shown in the first step S ₁ in FIG. 7 CPU
The timer counting built in 79 is started, and the counting of the time t shown in FIG. 9 is started.

[0071] In the second step S ₂ first sensor 36R
CPU 79 determines whether or not the detection output of is "H" based on the detection output of the disk detection circuit 78.
13 proceeds to step S _13, the autochanger 1 and the stop state, the display CRT86 disk carrying section 4
14th step S such as not being able to set disc 2
Displays ₁₄ error messages.

[0072] The second step S ₂ is advanced to the third step S ₃ if it is "YES". In the third step S ₃ the first optical sensor 36R is whether L CPU 79 determines based on the detection output of the disc detecting circuit 78. If “NO” in the third step S ₃ , the process proceeds to the thirteenth step S ₁₃ similarly to the second step S ₂ to stop the apparatus, and the display C
Displaying a second step S ₂ and similar error message (14 step S ₁₄₎ to RT.

This third step S ₃ becomes L in FIG.
This means that the center hole drilled at the center of the disk 2 at 1 has been transported to the position. That is, the light from the first optical sensor 36R is transmitted through the center hole of the disk 2, and the signal shows the L state as shown in the position of FIG. 9A in the timing waveform.

[0074] In a fourth step S ₄ the first sensor 36R
Is H or not, and if “NO”, the third step S
₃ for displaying the stop similarly device (13 step S ₁₃₎ and error message (14 step S ₁₄₎ and. Fourth step S ₄ the first sensor 36R is "H" will indicate a state of transition from the state of the disk 2 in Figure 11.

In the next fifth step S ₅ , the first sensor 3
It is checked whether both 6R and the second sensor 36L are at "H".
The fifth step S ₅ in the first and second sensor 36R and 3
The fact that both 6Ls become “H” indicates that the disk 2 has been completely conveyed onto the disk loader 15 in FIG. Therefore, the apparatus is stopped in the same manner as the fourth step S _4, if "NO", the display error message is performed. In addition, the process proceeds to a sixth step S ₆ if it is "YES".

In the sixth step S ₆ , FIG.
Both the first and second sensors 3 have the timing waveform (B).
The time t until both 6R and 36L become H is counted, and the timer count ends.

[0077] Since the minimum and maximum moving time seventh step S ₇ in the count time t from the characteristics of the motor 65 of the cam in the disk loader 15 (T _1, T ₂₎ is determined, T ₁
≦ t ≦ T ₂ or the CPU79 stops the device if it is judged "NO", an error message of the fourteenth step S ₁₄ to inform the abnormality of the motor or the like for the cam to the display CRT86.

In the next eighth step S ₈ , the disk transport means 4 is moved to the free disk drive means 5 a or 5 b, and in the ninth step S ₉ the disk 2 on the disk loader 15 is placed on the turntable 20. set.

[0079] In a tenth step S ₁₀ the first and second sensors 36R and 36L are see if L or not both. "NO"
If the thirteenth step S ₁₃ and the disk feeding motor 1 stops the device proceeds to the fourteenth step S ₁₄
CRT 8 for displaying an error message to the effect that it is abnormal
Perform 6 mag.

Further, the first and second sensors 36R and 36R
L is the detection of focus signal proceeds to the eleventh step S ₁₁ if both as shown in FIG. 10 (A) and FIG. 10 (B) "L". In this case, if the focus signal can not be detected thirteenth and fourteenth step S ₁₃ and the process proceeds to stop the apparatus S _14, an error indicating that the disc 2 in the disc drive 5a or 5b in the display CRT86 could not set message is performed, when could focus signal detection may be a disc 2 to play state in the twelfth step S _12.

In the above case, the case of reproducing the disk has been described. The case of storing the disk 2 in the disk storing means 3a or 3b at the end of the disk reproduction will be described with reference to FIG.

Now, when the reproduction of the disk 2 is completed by the disk driving means 5a or 5b and the rotation of the turntable is stopped, the disk loader 15 moves from the vertical portion 16a of the disk unloading section 16 to the disk driving means as shown in FIG. Brought on 5a or 5b.

[0083] The first and second sensors 36R and 336L to the first step ST ₁ in FIG. 11 Nonosama are both "H"
Look at it. Display could not be set in the disc unloading unit 16 as an error message to stop the apparatus proceeds to a tenth step ST ₁₀ and 11 step ST ₁₁ is "NO" state is made. If both are "H", the second step S
Proceed to T ₂ by driving the motor 14 to move the disk carrying section 4 to the designated storage position.

In the next third step ST ₃ , the timer function in the CPU 79 operates to start the timer counter.

[0085] The fourth step ST ₄ the CPU79 whether the second optical sensor 36L to see disc 2 becomes "L" in the position in FIG. 11 is determined. YES
If a fifth step ST ₅ binary is first if NO
The autochanger proceeds to step 0 ST ₁₀ is stopped,
Further displays that the error message can not be set disc 2 to the disc loader 15 of the disk conveying means 4 in a 11 step ST ₁₁ to display CRT86 like.

[0086] In a fifth step ST ₅ first sensor 36
Check if R is L or not. State of the following will be detected of the fifth step that ST ₅ is YES FIGS. 9 (A) and 9 11, the process proceeds to a sixth step ST _6.

In the sixth step ST ₆ , the first optical sensor 3
6R is seen CPU79 whether the "H" to stop the tenth and eleventh device goes to step ST ₁₀ and ST _11, if NO, the performing an error message indicating that the disc 2 can not be accommodated. If YES, the seventh step ST
Proceed to ₇ to end the timer count.

The eighth step ST determines that the timer time t of the timer counter is within the range of the predetermined time T _{1 to} T _2.
Confirm with ₈ . That is, if T ₁ ≦ t ≦ T ₂ , the process proceeds to the ninth step ST ₉ , but if NO, the process proceeds to the tenth and eleventh steps to stop the apparatus and display an error message of an abnormality such as the cam motor 65 on the display CRT 86. Do with.

[0089] Confirmation of the state of the ninth step ST ₉ in FIG. 9 and FIG. 11 is performed. That is, it is determined whether or not the first and second optical sensors 36R and 36L are at "L". If NO, the apparatus stops and an error message is displayed (display indicating that the disc cannot be stored) in the tenth and eleventh. Step ST
Place in ₁₀ and ST _11, thus leading to end if YES.

FIG. 4 shows the timing states of and in FIGS. 10A and 10B. In the autochanger according to the present invention, the time required for transferring the disk transferred to the disk loader of the disk transfer means from the disk storage means to the disk loader as shown in FIG. 11 and FIG. In the process of storing the disk 2 from the disk drive means 5a or 5b in the disk storage means 3a or 3b as shown by the reverse →→→, the time t is detected and the elapsed time is within a predetermined time. Since it is detected whether or not the disk 2 is caught on something, the movement time is long, or the movement time is long due to a failure of the motor 65 or the like, it is possible to detect.

Further, in the present invention, the detection results of the position and time of the optical disk detected by the first and second optical sensors are stored in a RAM or an electrically writable non-volatile memory. The detection / recording may be taken out via a memory circuit.

[0092]

According to the carrier reproducing apparatus of the present invention, the disc position can be detected in the transport state, so that if the disc is not at a normal position, it can be detected immediately, and the operation at that time can be performed. Can be stopped. Thus, the disc can be prevented from being caught on the disc, so that the recording surface can be prevented from being damaged. Further, by detecting the moving time, it is possible to quickly detect a defect related to the motor or the transport mechanism.

[Brief description of the drawings]

FIG. 1 is a system diagram of an automatic carrier reproducing apparatus of the present invention.

FIG. 2 is a perspective view of an automatic carrier reproducing apparatus of the present invention.

FIG. 3 is a front view of the automatic carrier reproducing apparatus of the present invention.

FIG. 4 is a perspective view showing a disk loader rotating state of the present invention.

FIG. 5 is an explanatory diagram of a disk loader of the present invention.

FIG. 6 is a sectional view taken along the line AA ′ of FIG. 4;

FIG. 7 is a flowchart at the time of carrier regeneration according to the present invention.

FIG. 8 is a flowchart when the carrier is stored according to the present invention.

FIG. 9 is a timing waveform chart of detection signals at the time of unloading of the first and second sensors used in the present invention.

FIG. 10 is a timing waveform chart of loading detection signals of the first and second sensors used in the present invention.

FIG. 11 is an explanatory view of a disk transport state of the present invention.

FIG. 12 is a configuration diagram of a main part of a conventional automatic carrier reproducing apparatus.

[Explanation of symbols]

1 ‥‥ Automatic carrier regeneration device (auto changer), 2 ‥‥
Disk, 3a, 3b {disk storage means, 4} disk transport means, 5a, 5b {disk drive means, 1
5 ‥‥ disk loader, 24 ‥‥ clamper, 36L,
36R optical sensor, 78 disk detection circuit, 79
‥‥ System controller

Claims (6)

[Claims] 1. A method according to claim 1, wherein a predetermined carrier is selected from a carrier storing means storing a plurality of carriers, and the selected carrier is mounted on a carrier driving means via a carrier transporting means to automatically regenerate the carrier. In the carrier automatic regenerating apparatus, provided in the carrier transporting means, carrier guide means for mounting the carrier on the carrier driving means, and provided on the carrier transporting means, provided on the carrier guiding means. A carrier detecting means for detecting the presence or absence of the carrier; and a control means for measuring a time change of the detection signal based on a detection signal from the carrier detecting means. When an abnormality is found in the carrier, the control means controls so as to stop the operation of the carrier transport means. 2. An automatic carrier regenerating apparatus in which a carrier after regeneration is automatically stored in a carrier storage means capable of storing a plurality of carriers from a carrier driving means via a carrier transport means. A carrier guiding means provided on the carrier transporting means for detaching the carrier from the carrier driving means; and a carrier detection provided on the carrier transporting means and detecting the presence or absence of the carrier provided on the carrier guiding means. Means, and control means for measuring a time change of the detection signal based on a detection signal from the carrier detection means, wherein an abnormality is recognized in the carrier in the carrier guide means by the control means. Wherein the control means controls the operation of the carrier transport means to stop at the time. 3. The carrier detecting means for detecting presence / absence of a carrier provided in the carrier guiding means comprises at least two light detecting elements.
An automatic carrier regeneration apparatus according to the above. 4. The storage device according to claim 1, wherein said control means includes storage means capable of storing a carrier position and a measurement time of said carrier when said carrier guide means detects an abnormality of said carrier. Item 4. The automatic carrier regeneration device according to any one of Items 3 to 3. 5. The information processing apparatus according to claim 1, further comprising a display unit for notifying an abnormal state of the carrier when the control unit detects an abnormality of the carrier by the carrier guiding unit. An automatic carrier regeneration apparatus according to any one of the preceding claims. 6. The carrier detecting means can detect at least the center hole position of the carrier when moving the carrier from the carrier conveying means to the carrier guiding means or from the carrier guiding means to the carrier accommodating means. The carrier automatic regenerating apparatus according to any one of claims 1 to 5, wherein the carrier automatic regenerating apparatus is disposed at a position.