JP2002237122A - Disk changer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a disk changer capable of automatically managing a manually operated rotary tray during opening of a disk change port, in the disk changer capable of loading a large number of disks on the rotary tray. SOLUTION: During opening of a disk change port 10a, a 1st sensor 104a and a 2nd sensor 104b are in an active state, and a position of a rotary tray 101 manually moved during opening of the change port 10a is detected, and when it is decided that the rotary tray 101 is not positioned in a normal stop position, the rotary tray 101 is rotated and is guided to the normal stop position. Moreover, the stop position of the rotary tray 101 moved by manual operation is detected, and the tray is rotated and is returned to the stop position before the movement.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc changer device capable of managing and operating a large number of compact discs.

[0002]

2. Description of the Related Art Recently, a disc changer device capable of managing and operating a plurality of discs such as a CD (Compact Disc) or a DVD (Digital Versatile Disc) has been realized. This disc changer device stores a plurality of discs, and is capable of designating and playing back a specific disc from the stored plurality of discs. In this case, the storage format of the disk is various. For example, a rotary tray that holds and stores a disk by standing a disk in accordance with the slot on a rotating disk on which a plurality of grooves (hereinafter, referred to as slots) extending radially in the radial direction is formed. Have been.

In a conventional optical disc changer device equipped with a rotary tray, when the exchange opening is open,
The user can freely rotate the rotary tray by manual operation. When the manual operation of rotating the rotary tray is performed, the position data of the rotary tray stored and managed by the built-in CPU does not match the actual position of the rotary tray manually moved. Therefore, when the exchange port is opened, all the loaded data of the disk stored up to that point are automatically cleared once regardless of whether the rotary tray is rotated or not, and then the exchange port is closed. And a detection process for detecting the position of the rotary tray and the presence or absence of the loaded disk.

With reference to FIG. 11, the operation of the conventional disc changer device equipped with a rotary tray after the exchange opening is closed will be described. FIG. 11 is a flowchart for explaining the operation after the exchange port is closed in the conventional disc changer device equipped with a rotary tray.

The configuration of the above-mentioned conventional disk changer device is the same as that of the optical disk changers 10 and 100 in the present embodiment described later (see FIGS. 1 to 4), and the detailed description thereof is omitted (however, the following description is omitted). , Parentheses indicate corresponding parts in the present embodiment shown in FIGS. 1 to 4). The number of disks that can be stored in the conventional disk changer device is 150, 20
You can set any number of discs, such as 0 discs.
A rotatable rotary tray (rotary tray 10 shown in FIG. 2) provided in a conventional optical disc changer device.
1)).

First, in the conventional optical disc changer device, an exchange port (see an exchange port 10a shown in FIG. 1) in which a disc is exchanged is in an open state and stored in a built-in RAM (see a storage unit 106a shown in FIG. 4). In addition to clearing all the position data of the rotary tray, the manual operation of the rotary tray is enabled.

Next, the CPU (see the microcomputer 106 shown in FIG. 4) of the conventional optical disc changer device is operated by an exchange opening / closing key (the exchange opening / closing key 1 shown in FIG. 1).
0c) is monitored (step S200), and if there is a press signal (step S200; Yes), the process of closing the open exchange port is started (step S201). .

Next, the CPU determines whether or not the processing for closing the exchange port has been completed (step S202), and if this processing has not been completed yet (step S20).
2; No), it is determined whether or not there is a pressing signal due to pressing of the exchange opening / closing key (step S203).

When the CPU does not receive a signal indicating that the exchange port opening / closing key has been pressed in step S203 (step S203; No), the CPU proceeds to step S202 to determine again whether or not the processing for closing the exchange port has been completed. judge. Further, when there is a pressing signal by pressing the exchange opening / closing key (step S203; Yes), the CPU starts the process of opening the exchange opening that has been closed.

In step S202, when the process of closing the exchange port is completed (step S202; Yes),
The CPU detects the position of the rotary tray and makes preparations for controlling the operation of the rotary tray (step S204).

Next, the CPU includes a detecting unit (the first unit shown in FIG. 1).
It is monitored whether or not the processing for detecting the position of the rotary tray has been completed by the sensors 104a to 104c) (step S205). When the detection processing has been completed (step S205; Yes), the detection is performed here. The position data of the rotary tray is stored in the built-in RAM, and the presence or absence of a loaded disk on the rotary tray is detected based on the detected position data (step S206).

[0012]

However, the above-mentioned conventional disk changer apparatus has the following problems. The conventional disk changer device could not manage the manually operated rotary tray while the replacement opening was open, so if the manually operated rotary tray was not in the normal stop position while the replacement opening was The function to fix the position does not work properly,
It was difficult to accurately load and unload the disk. Here, the normal stop position of the rotary tray 101 is the position where the slot on the rotary tray 101 comes to the center of the exchange port 10a (that is, the position where the slot comes to the detection unit), and the disk loading / unloading. This is a position where the function of fixing the rotary tray 101 works normally.

Further, when the exchange opening is opened, the position data of the rotary tray stored up to that time is temporarily cleared, and thereafter, when the exchange opening is closed, the cleared position data of the rotary tray is detected each time. I was Therefore, there is a long waiting time from the closing of the exchange opening to the shift to the next processing, and improvement in convenience has been desired.

An object of the present invention is to provide a disk changer device capable of loading a large number of disks on a rotary tray, which can automatically manage a manually operated rotary tray while the exchange opening is opened. That is.

[0015]

The present invention has the following features in order to solve such a problem. In the following description of the means, a configuration corresponding to the embodiment is shown by parentheses as an example. Reference numerals and the like are reference numerals and the like in the drawings described later.

According to the first aspect of the present invention, there is provided a rotary disk storage unit (for example, a rotary tray 101 shown in FIG. 2) for storing a plurality of disks on which information is recorded, and the disk which can be stored in the disk storage unit. The disk holders (for example, slots formed on the rotary tray 101 shown in FIG. 2) which are provided in the disk storage unit and hold the disks one by one, and the positions of the respective disk holders (For example, the first sensor 104a to the third sensor 104c shown in FIG. 2) and a detection unit (for example, the optical disk changer 10 shown in FIG. 1). When the storage unit is rotationally moved, the detection unit determines the position of each of the disk holding units of the rotating disk storage unit during the rotational movement. Characterized by sequentially detecting.

According to the first aspect of the present invention, the rotating disk storage unit for storing a plurality of disks on which information is recorded, and the disk storage unit by the number of disks that can be stored in the disk storage unit. The disc changer device includes: a disc holding unit that holds discs one by one; and a detecting unit that detects a position of each of the disc holding units. When the disk storage unit is rotationally moved, the positions of the respective disk holding units of the rotating disk storage unit during the rotational movement are sequentially detected.

Therefore, even during the manual operation, the position of the disk holding unit is sequentially detected, so that the management of the rotary disk storage unit can be controlled regardless of whether the motor is driven or the manual operation is performed, and the functionality is improved. It is planned.

According to a second aspect of the present invention, in the first aspect of the present invention, it is determined whether or not the disk holding unit is detected by the detection unit after the rotary disk storage unit is rotated and moved by manual operation. If the disk holding unit is not detected, control means (for example, the microcomputer 106 shown in FIG. 3) for rotating the rotary disk storage unit to a position where the detecting unit can detect the disk holding unit is further provided. It is characterized by having.

According to the second aspect of the present invention, the control means determines whether or not the disk holding unit has been detected by the detection unit after the rotary disk storage unit is rotationally moved by manual operation. If the disk holding unit is not detected, the rotary disk storage unit is rotated to a position where the detecting unit can detect the disk holding unit.

Therefore, if the disk holding unit is not detected by the detection unit after the manual operation, the rotary disk storage unit is rotated to a position where the disk holding unit can be detected. When loading / unloading the disk later, the function of fixing the position of the rotary disk storage unit operates normally, and the loading / unloading of the disk can be performed accurately.

According to a third aspect of the present invention, in the first or second aspect of the present invention, after the rotational movement of the rotary disk storage unit by manual operation, the control means rotates the rotary disk storage unit to a position before the manual operation. It is characterized in that the disk drive is rotated.

Therefore, the rotary disk storage part moved by the manual operation automatically returns to the position before the movement.
After the manual operation is completed, it is not necessary to detect the position data of the disk holding unit each time, and the time required for detecting the position data can be shortened, so that a disk changer with further improved convenience and functionality. The device can be realized.

[0024]

DESCRIPTION OF THE PREFERRED EMBODIMENTS [First Embodiment] FIG.
The optical disc changer 10 according to the first embodiment will be described in detail with reference to FIGS. The optical disk changer 10 can store 200 disks, but the number of disks that can be stored is two.
The number is not limited to 00, but may be 100, 150, or the like.
Also, the description will be made on the assumption that a disc is stored in the optical disc changer 10 as a CD.
D or the like.

First, the configuration will be described. FIG. 1 is a diagram illustrating a front part of an optical disc changer 10 according to the first embodiment.

As shown in FIG. 1, an exchange opening 10a, a display device 10b, and an exchange opening / closing key 10c and a reproduction key 1 as operation keys are provided on the front surface of the optical disk changer 10.
0d, a stop key 10e, a rotary tray operation dial 10f, a numeric keypad 10g, and the like are provided. Exchange port 1
0a is opened and closed by a key operation of an exchange opening / closing key 10c or the like, and a predetermined number of disks can be exchanged with the exchange opening 10a opened. As will be described later, the display device 10b displays various display data output from the microcomputer 106 (for example, operating states such as playing or pausing, a slot number located at the center of the exchange slot 10a, and a slot of the playing disk). Number, etc.).

The reproduction key 10d outputs an instruction signal to the microcomputer 106 to reproduce data of a disk in a slot designated in advance in response to a key operation by a user. The stop key 10e is used to send an instruction signal for stopping the currently executing disc reproduction process to the microcomputer 106 in response to a key operation by the user.
Output to

The rotary tray operation dial 10f is
In response to a dial operation by the user, an instruction signal for instructing a rotation operation of the rotary tray 101 is output to the microcomputer 106. In addition, numeric keypad 10g
In response to a key operation by the user, the microcomputer 106 outputs to the microcomputer 106 the slot number in which the disc to be reproduced is loaded, the track number (song number) to be reproduced on each of those discs, and the like.

FIG. 2 shows a storage unit 1 for storing a plurality of disks.
It is a principal part top view which shows schematic structure of 00. As shown in FIG. 2, the storage unit 100 includes a rotary tray 101, a rotary tray control motor 102, and a disk arm 10.
3, sensor support plate 104, first to third sensors 104a to
104c, a disk presence / absence detection sensor 104d, and the like are provided above the substrate 105, and lines indicated by reference numerals in the figure are connected to the microcomputer 106 shown in FIG. 4 and its peripheral circuits.

The rotary tray 101 has 200 slots extending in the radial direction from the center thereof.
The disk is held and stored by standing the disk on these slots, and is mounted at the center of the substrate 105. In addition, the rotary tray 101
The rotary operation is performed by the power supplied from the rotary tray control motor 102.

The rotary tray control motor 102 drives the rotary tray 101 in accordance with a control signal output from the rotary tray control motor driver 110 via a line indicated by a reference numeral in FIG.
1 to perform an accurate rotation operation.

The disk arm 103 is connected to the disk arm control motor driver 1 via a line shown in the figure.
It operates according to a control signal output from the control signal 11. That is, in response to the control signal, one predetermined disk is pulled out from the rotary tray 101, this disk is set in a reproducing device (not shown), and after the reproduction, the disk is stored again at a predetermined position in the rotary tray 101.

Next, the first to third sensors 104a to 104c and the disk presence / absence detection sensor 104d will be described. First sensor 104a to third sensor 104
c and the disk presence / absence detection sensor 104d operate even when the exchange port 10a is open, and the exchange port 10a
Irrespective of whether it is open or closed, signals PH1 to PH3 to be described later and a disk presence / absence detection signal are constantly output to the microcomputer 106.

The first and second sensors 104 a and 104 b are provided on the substrate 105 and are provided below the rotary tray 101. These detect the respective storage locations (slots) of the disks on the rotary tray 101 and also detect the rotation direction of the rotary tray 101.

The first and second sensors 104a and 104b are
The rotary tray 101 is located on two different radial radii (not shown) extending radially from the rotation center axis of the rotary tray 101, and further, is installed so that the distance from the rotation center of the rotary tray 101 is different. Further, the installation positions of the first and second sensors 104a and 104b are such that the signal PH1 output from the first sensor 104a and the signal PH2 output from the second sensor 104b are It is set so as to occur with a quarter cycle shift (see FIG. 3).

The first sensor 104a outputs to the microcomputer 106 a signal PH1 due to the rotation operation of the rotary tray 101 via the line shown in the figure.
The second sensor 104b also receives a signal PH2 due to the rotation of the rotary tray 101 via the line indicated by the reference numeral in the figure.
Is output to the microcomputer 106.

The third sensor 104c is provided on the substrate 105 and determines the position of the rotary tray 101. The third sensor 104c generates a gate signal PH3 by the rotation operation of the rotary tray 101, and outputs the gate signal PH3 to the microcomputer 106 via a line shown in the figure.

The disk presence / absence detection sensor 104d is located on the sensor support
1, and detects the presence or absence of a disc on the rotary tray 101.

The disk presence / absence detection sensor 104d outputs a detection signal indicating the presence / absence of a disk to the microcomputer 106 via the line shown in the figure.

Next, the positions of the rotary tray 101 and each disk stored therein are determined by the first to third sensors 1.
04a to 104c and a disk presence / absence detection sensor 104
FIG. 3 shows a determination method based on the output signal from the control signal d.
This will be described in detail with reference to (a) and (b).

FIG. 3A shows first to third sensors 104a.
FIG. 3B is a timing chart of signals PH1 to PH3 output from the first to second sensors 10 to 104c.
4 is a timing chart of signals PH1 and PH2 output by the disk presence detection sensor 104d and signals PH1 and PH2 output by the disk presence detection sensor 104d.

The signal PH1 is a pulse signal output from the first sensor 104a, and the signal PH2 is a signal PH1.
This is a pulse signal output from the second sensor 104b with a delay of １ ／ cycle. The signals PH1 and PH2 are output in accordance with the rotation operation of the rotary tray 101, and are bit signals having only two levels of “High” and “Low”. The signal PH3 is a gate signal output from the third sensor 104c to the microcomputer 106.

Reference numerals C1 to C5 in the figure denote count timings at which the microcomputer 106 counts disk storage locations (slots formed in the rotary tray 101 in advance) in units of one disk. This count timing occurs only when the signals PH1 and PH2 both become “Low”. In other cases, for example, the signals PH1 and PH2 are in any of the sections indicated by reference numerals A1 to A3 in the drawing. In this case, the count timing does not occur.

That is, the signals PH1 and PH2 indicated by reference numeral C1 in the figure are generated by the microcomputer 106 described later.
Are confirmed to be "Low", the rotational movement of the rotary tray 101 confirms all the timings indicated by reference numerals A1 to A3, and further confirms the count timing indicated by reference numeral C2 in the drawing. Then, the slot number of the predetermined slot (for example, the exchange port 10a
Is updated (see the flowcharts shown in FIGS. 5 and 7).

In particular, the slot number is not updated unless the above steps are performed. For example, after shifting from the count timing indicated by reference numeral C1 to the timing indicated by reference numerals A1 to A3 in the drawing, the timing is shifted to the timing indicated by reference numerals A2 and A1 without reaching the count timing indicated by reference numeral C2, Further, when the operation returns to the count timing indicated by reference numeral C1 in the figure, the slot number is not updated.

The count timings indicated by reference numerals C1 to C5 in the figure exemplify a part of a plurality of count timings generated during an actual operation.

The signal PH3 is output from the rotary tray 1
01 is a gate signal having a gate length specific to the signal PH3. For example, the “Low” section of the signal PH3 shown in FIG.
This corresponds to a section having a gate length of three slots formed on the rotary tray 101. That is,
The rotary tray 101 is provided with a plurality of sections in advance, and the number of slots formed in each section is different from each other. The signal PH3 is a signal having a gate length corresponding to the plurality of sections. Thus, the signal PH3 at "L"
By counting the number of the count timings (the number of slots) included in the “ow” section, the position of the rotary tray 101 can be detected.

The phases of the signals PH1 and PH2 are shifted from each other by １ ／ period. If the rotation direction of the rotary tray 101 is reversed, this phase is also reversed and the phases of the signals PH1 and PH2 in FIG. The signals change places. That is,
From the phases of the signals PH1 and PH2, the rotary tray 101
Can be detected.

For example, it is assumed that the rotary tray 101 rotates and shifts to the timing indicated by A1 in the figure after the count timing indicated by C1 in the figure. At this time, the rotation direction of the rotary tray 101 is rightward, and the opposite direction is leftward. That is, the signals PH1, PH
When the rotary tray 101 rotates to the right after the count timings of both “Low”, the signal PH1 switches to “High”, and when the rotary tray 101 rotates to the left, the signal PH2 switches to “High”.

As shown in FIG. 3B, the disk presence / absence detection sensor 104d outputs a "High" signal as a standard signal for normal output. At the time of occurrence of the count timing due to the rotation of the rotary tray 101, if a disk is stored in the disk storage location on the rotary tray 101 corresponding to the count timing, the disk presence / absence detection sensor 104d outputs the standard signal. At the same time, the microcomputer 106
To store this data.

On the other hand, when the above-described count timing occurs due to the rotation of the rotary tray 101, if no disk is stored in the disk storage location on the rotary tray 101 corresponding to this count timing, the disk presence / absence detection sensor 104d outputs “ One pulse of the Low ”signal is output, and the microcomputer 1
06 causes the storage unit 106a to store this data.

Next, the internal circuit of the optical disc changer 10 will be described in detail with reference to FIG. FIG.
3 is a schematic block diagram showing an internal circuit of the optical disc changer 10. FIG.

According to FIG. 4, the optical disc changer 1
0 is the microcomputer 106, the storage unit 106a,
Input unit 107, display unit 108, exchange opening / closing control motor driver 109, rotary tray control motor driver 1
10. Disk arm control motor driver 111, DS
P112, pickup unit 113, load / unload SW 114, and exchange opening / closing control motor 115
The input unit 107, the display unit 108, the pickup unit 113, the load / unload SW1
The components other than the motor 14 and the opening / closing control motor 115 are connected by a plurality of buses.

The microcomputer 106 is connected to the first to third sensors 104a through lines indicated by reference numerals in the drawing.
To 104c and the signals output from the disk presence / absence detection sensor 104d, calculate various position data for controlling the operation of the rotary tray 101 based on the received signals, and store the position data in the storage unit 106a. Remember.

Further, the microcomputer 106 responds to an operation signal by operating various operation keys and operation dials (see FIG. 1) provided in the input unit 107 to exchange the exchange port 1.
0a, opening and closing operation of the rotary tray 101,
It controls the operation of the disk arm 103 or the reproduction processing performed by a reproduction device (not shown) in which a disk is set.

Further, the microcomputer 106 includes the first sensor 104a to the third sensor 104, as described above.
The slot number is updated based on c and the output signal from the disk presence / absence detection sensor 104d, and the rotation direction of the rotary tray 101, the presence / absence of the disk, and the like are determined.

The storage unit 106a stores a main control program for controlling the optical disc changer 10 and various application programs related to the program, and temporarily stores executable files of the various programs and various data generated when the programs are executed. A work area to be stored is formed. In particular, the first to third sensors 10
4a to 104c, the position data of each slot and the disk presence / absence data output from the disk presence / absence detection sensor 104d are stored, and various data calculated by the microcomputer 106 based on signals from these sensors are stored. Remember.

The storage section 106a stores a "do not count" flag ("0" or "1") in the predetermined work area. That is, the first sensor 104
a, both outputs from the second sensor 104b are “Low”
At this time, if the “do not count” flag stored in the storage unit 106a is “0”, the center slot number is updated, and if “1”, this slot number is not updated.

The input unit 107 includes an exchange opening / closing key 10c for instructing opening / closing of the exchange opening 10a, a reproduction key 10d for instructing disk reproduction processing, a stop key 10e for instructing stop of reproduction processing, and a rotary tray rotation operation. Various operation keys and operation dials related to the operation of the optical disc changer 10, such as a rotary tray operation dial 10f for instructing, a ten key 10g for selecting a slot number in which a playback disc is loaded and a track number of the disc, and the like. Is provided. When these operation keys are operated, an operation signal of each key is output to the microcomputer 106.

The display unit 108 is an LCD (Liquid Crysta).
l Display). The display unit 108 displays various display data output from the microcomputer 106. For example, it displays the track number of the disc being reproduced, the TOC data of the disc being reproduced, various operation modes of the optical disc changer 10 (during rotational movement, disc search, etc.), the open / close state of the exchange opening 10a, and the like.

The exchange opening / closing control motor driver 109 includes:
On the basis of a control signal output from the microcomputer 106, an exchange opening / closing control motor 115 for opening and closing the exchange opening 10a provided on the front surface of the optical disc changer 10 is driven.

Rotary tray control motor driver 11
0 drives a rotary tray control motor 102 for rotating the rotary tray 101 based on a control signal output from the microcomputer 106.

Disk arm control motor driver 111
Drives a disk arm control motor (not shown) for operating the disk arm 103 based on a control signal output from the microcomputer 106.

DSP (Digital Signal Processor) 1
Reference numeral 12 denotes a microcomputer 1 for encoding digital data output from a pickup unit 113 described later.
06 converts the data into a data format that can be processed at a high speed and outputs it to the microcomputer 106.

The pickup unit 113 extracts and amplifies various kinds of TOC data or digital music data recorded in advance on a disc set in the above-mentioned reproducing apparatus (not shown), and outputs the amplified data to the DSP 112.

The load / unload SW 114 is used to download various TOC data or the like recorded on a disc set in the above-mentioned reproducing device (not shown), or to release the already-downloaded disc when releasing the disc from the reproducing device. A signal instructing whether to clear the TOC data or the like is output to the microcomputer 106.

The optical disk changer 10 can be connected to an external recording device. In this case, the microcomputer 106 can output the reproduction data from the disk to the connected external recording device and record the data on a predetermined recording medium provided in the external recording device.

Next, referring to FIG. 3 and FIGS.
Optical disc changer 1 according to the first embodiment
The operation of 0 will be described. FIGS. 5 to 8 are flowcharts illustrating the management process of the rotary tray 101 in the optical disc changer 10 when the exchange slot 10a is opened.

First, the exchange port 10a is open, and the position data of the rotary tray 101 and the loading information of all disks stored in the storage unit 106a are cleared.

Here, the microcomputer 106
It is determined whether or not there is a pressing signal due to pressing of the exchange opening / closing key 10c (step S1), and if there is a pressing signal by the exchange opening / closing key 10c (step S1; Yes),
A control signal for closing the exchange opening 10a is output to the exchange opening and closing control motor driver 109 (step S2).

Thereafter, the microcomputer 106
It is determined whether or not the closing process of the exchange port 10a is completed (step S3), and when the closing process of the exchange port 10a is completed (step S3; Yes), the rotary tray 101 is determined.
Is rotated 360 degrees to detect the position of the rotary tray 101 and the loaded disk (step S4).

In step S3, when the closing process of the exchange opening 10a is not completed (step S3; No), the microcomputer 106 determines whether or not there is a push signal by pushing the exchange opening / closing key 10c (step S3). Step S
5) If there is no push signal by the exchange opening / closing key 10c (Step S5; No), the process proceeds to Step S3.

In step S5, the exchange opening / closing key 1
When there is a pressing signal due to 0c (Step S5; Ye)
s), the microcomputer 106 sends a control signal for opening the exchange opening 10a to the exchange opening and closing control motor driver 1
09 to start the opening process of the exchange port 10a.

Returning to step S1, the description will be continued. First, as an example of the process of managing the rotary tray 101, there is a slot with the slot number 1 in the center of the exchange port 10a, and the user manually operates the rotary tray 1 by two slots.
The case where 01 is rotated rightward will be described.
At this time, the signals PH1 and PH2 from the first sensor 104a and the second sensor 104b are both “Low”. Also, as described above, the rotary tray 101
When the is rotated clockwise, the number of the slot at the center of the exchange port 10a is counted positively, and when rotated counterclockwise, the number is counted negatively.

The movement of the rotary tray 101 is as follows.
The number of slots is not limited to two, but may be ten, twenty, or the like. Further, the rotation direction of the rotary tray 101 is not limited to the right, but may be the left.

If the microcomputer 106 determines in step S1 that there is no press signal from the exchange opening / closing key 10c (step S1; No), the microcomputer 106 outputs the signal PH1.
Has been switched to "High", that is, whether or not the rotary tray 101 has rotated rightward (step S6). Since the signal PH1 has been switched to "High" (step S6; Yes), 5 The stop time timer set in seconds is started (step S7), and it is determined whether or not the signal PH2 has been switched to "High", that is, whether or not the rotary tray 101 has further rotated rightward (step S8). . At this time (step S6; Yes), the signal PH1 becomes "Hig".
h ", and the signal PH2 is" Low ".

The time set in the stop time timer is not limited to 5 seconds, but may be 4 seconds or 6 seconds.
Seconds or the like may be used.

At step S6, signal PH1 is set to "H".
if not switched to “high” (step S6; N
o), the microcomputer 106 proceeds to step S60, and determines whether or not the rotary tray 101 has rotated to the left.

When the microcomputer 106 determines in step S8 that the signal PH2 has been switched to "High" (step S8; Yes), the microcomputer 106 resets the stop time timer (step S13), and the signal PH1 is switched to "Low". That is, it is determined whether the rotary tray 101 has been further rotated clockwise (step S14). At this time (step S8; Ye
s), the signals PH1 and PH2 are both “High”.

When the microcomputer 106 determines in step S14 that the signal PH1 has been switched to "Low" (step S14; Yes), the microcomputer 106 resets the stop time timer (step S20) and outputs the signal PH2
Is switched to "Low", that is, whether or not the rotary tray 101 is further rotated rightward (step S21). At this time (Step S14; Y
es), the signal PH1 is “Low”, and the signal PH2 is “Hi”.
gh ".

When the microcomputer 106 determines in step S21 that the signal PH2 has been switched to "Low" (step S21; Yes), the microcomputer 106 resets the stop time timer (step S27) and sets the "do not count" flag. It is determined whether or not it has been performed (step S28). At this time (Step S21; Yes),
The slot of slot number 2 is located at the center of the switching port 10a, and the signals PH1 and PH2 are both "Low".

In step S28, storage unit 106a
Is not set (step S28; No), the microcomputer 10
6 increments the slot number at the center of the exchange port 10a by one (step S31), and determines whether or not the stop time timer has expired (step S8).
6).

If the "not count" flag is set in step S28 (step S28;
Yes), the microcomputer 106 clears the setting of this flag, and proceeds to step S86.

If the microcomputer 106 determines in step S86 that the stop time timer has not expired (step S86; No), the microcomputer 106 determines whether or not there is a pressing signal due to pressing of the exchange opening / closing key 10c (step S86). If it is determined that there is no press signal (step S87), the process returns to step S6.

After returning to step S6, the microcomputer 106 repeats a series of processing from step S6, and returns to step S31 to count up the slot number at the center of the exchange port 10a by one. At this time, the slot of the slot number 3 is located at the center of the switching port 10a, and the signals PH1 and PH2 are both "Low".
It is.

Next, the microcomputer 106
In step S86, it is determined whether or not the stop time timer has expired. If it is determined that the time has expired (step S86; Yes), this series of management processing of the rotary tray 101 ends.

In step S86, when the stop time timer has not expired (step S86; N
o), the microcomputer 106 determines whether or not there is a press signal by pressing the exchange opening / closing key 10c (step S87), and when there is this press signal (step S87; Yes), closes the exchange opening 10a. A control signal to that effect is output to the exchange opening / closing control motor driver 109 (step S88).

After that, the microcomputer 106
It is monitored whether or not the closing process of the exchange port 10a is completed (step S89). When the closing process of the exchange port 10a is completed (step S89; Yes), the rotary tray 1 is closed.
01 is detected (step S90).

In step S87, when there is no push signal by the exchange opening / closing key 10c (step S8)
7; No), the microcomputer 106 returns to step S6, and determines again whether or not the signal PH1 has been switched to "High".

Here, when the center of the exchange port 10a is located between the slots of the slot numbers 3 and 4, ie, when the rotary tray 101 is not stopped at a normal position, Will be described.

First, the signals PH1 and PH2 are both set to “Lo”.
w ", that is, when there is a slot of slot number 3 in the center of the exchange port 10a,
1 further rotates rightward, the microcomputer 106 sets the signal PH1 to "H" in step S6.
is determined to have been switched to "high" (step S6; Ye).
s), reset the stop time timer (step S)
7).

Next, in step S8, the microcomputer 106 determines whether or not the signal PH2 has been switched to "High". If the signal PH2 has not been switched to "High", that is, the clockwise rotation of the rotary tray 101 is stopped. (Step S8; N
o), it is determined whether or not the stop time timer has expired (step S9).

If the stop time timer has not expired in step S9 (step S9; No),
The microcomputer 106 determines that the signal PH1 is “Lo”
w ", that is, whether the rotary tray 101 has rotated in the opposite direction (to the left in this case) (step S11).

If the signal PH1 has not been switched to "Low" in step S11 (step S11; No), the microcomputer 106 proceeds to step S8.
When the signal PH1 is switched to "Low" (Step S11; Yes), the stop time timer is reset (Step S12), and the process proceeds to Step S84 to recognize that the rotary tray 101 is rotating counterclockwise. rear,
It is determined whether or not the stop time timer has expired (step S86).

At this time (step S11; Yes), the position of the rotary tray 101 is the position where the signals PH1 and PH2 are both "Low", that is, the position where the slot of the slot number 3 comes to the center of the exchange port 10a.

Returning to step 9, the description will be continued. Step S
In step 9, when the stop time timer has expired (step S10), the microcomputer 106
It is determined that the rotation of the rotary tray 101 has stopped, and the process of moving the slot with the slot number 4 to the center of the exchange port 10a is started (step S10). At this time (step S9; Yes), the signal PH1 is "High" and the signal PH2 is "Low".

After step S10, the microcomputer 106 sends a control signal for rotating the rotary tray 101 clockwise to the rotary tray control motor driver 11.
0, and in response to the control signal, the rotary tray control motor driver 110 drives the rotary tray control motor 102 to rotate the rotary tray 101 clockwise (step S40).

Next, the microcomputer 106
It is determined whether or not the signal PH2 has been switched to “High”, that is, whether or not the rotary tray 101 has rotated clockwise (step S41). If the signal PH2 has not been switched to “High” (step S41; No), an error occurs. The timer is set, and it is monitored whether or not the signal PH2 has been switched to "High" until the error timer expires (step S42). If the error timer has expired (step S4).
2; Yes), an error is displayed on the display device 10b.

In the step S41, when the signal PH2 is switched to "High" (step S41; Y
es), the microcomputer 106 determines whether or not the signal PH1 has been switched to “Low” (Step S).
43) If the signal PH1 has not been switched to "Low" (step S43; No), an error timer is set, and whether or not the signal PH1 has been switched to "Low" is monitored until the error timer times out. (Step S44). When the time of the error timer has expired (step S44; Yes), an error is displayed on the display device 10b. At this time (step S
41; Yes), the signals PH1 and PH2 are both "Hig"
h ".

In step S43, when signal PH1 is switched to "Low" (step S43; Ye
s), the microcomputer 106 determines whether or not the signal PH2 has been switched to “Low” (Step S).
45) If the signal PH2 has not been switched to “Low” (step S45; No), an error timer is set, and whether or not the signal PH2 has been switched to “Low” is monitored until the error timer times out. (Step S46). When the time of the error timer has expired (step S46; Yes), an error is displayed on the display device 10b. At this time (step S
43; Yes), the signal PH1 is “Low”, the signal PH2
Is “High”.

In step S45, when signal PH2 is switched to "Low" (step S45; Ye
s), the microcomputer 106 outputs a control signal to the effect that the rotation of the rotary tray 101 is stopped to the rotary tray control motor driver 110, and according to the control signal, the rotary tray control motor driver 110
Stops the drive of the rotary tray control motor 102 and stops the rotation of the rotary tray 101 (step S47). At this time, the slot of slot number 4 is located at the center of the switching port 10a, and the signals PH1 and PH2 are both "Low".

That is, the microcomputer 106
Counts up one slot number at the center of the exchange opening / closing key 10c (step S48). In this case, the slot number 3 at the center of the exchange port 10a is counted up to be the slot number 4, and the result is stored in the storage unit 106a.

Returning to step S8, the description will be continued. When the signal PH2 is switched to "High" in step S8 (step S8; Yes), the microcomputer 106 resets the stop time timer (step S8).
13) The process proceeds to step S14, where the signal PH1 is set to "L".
ow ”is determined.

In step S14, when the signal PH1 has not been switched to "Low", that is, when the right rotation of the rotary tray 101 has stopped (step S14; No), the microcomputer 106 has counted up the stop time timer. It is determined whether or not (step S15).

In step S15, when the stop time timer has not expired (step S15; N
o), the microcomputer 106 determines whether or not the signal PH2 has been switched to "Low", that is, whether or not the rotary tray 101 has rotated in the opposite direction (in this case, leftward) (step S17). Is not switched to "Low" (step S1
7; No), the process proceeds to step S14.

In step S17, when the rotary tray 101 is rotated in the opposite direction (in this case, leftward) and the signal PH2 is switched to "Low" (step S1).
7; Yes), the microcomputer 106 resets the stop time timer (step S18), sets the "do not count" flag (step S19), shifts to step S75, and checks whether the signal PH1 has been switched to "Low". No, that is, it is determined whether the rotary tray 101 has rotated left. At this time (step S17;
Yes), the signal PH1 is “High”, and the signal PH2 is “Low”.

In step S75, when signal PH1 has not been switched to "Low" (step S7).
5; No), the microcomputer 106 determines whether or not the stop time timer has expired (step S76).

In step S76, if the stop time timer has expired (step S76; Yes),
The microcomputer 106 controls the rotary tray 10
It is determined that the slot No. 1 has stopped, and the process of moving the slot of the slot number 3 to the center of the exchange port 10a (the process of rotating the rotary tray 101 counterclockwise) is started (step S7).
7). At this time (step S76; Yes), the signal PH1
Is "High" and the signal PH2 is "Low".

After step S77, the microcomputer 106 sends a control signal for rotating the rotary tray 101 counterclockwise to the rotary tray control motor driver 11.
0, and in response to the control signal, the rotary tray control motor driver 110 drives the rotary tray control motor 102 to rotate the rotary tray 101 counterclockwise (step S110).

Then, the microcomputer 106
It is determined whether or not the signal PH1 has been switched to "Low", that is, whether or not the rotary tray 101 has rotated left and the slot of the slot number 3 has come to the center of the exchange port 10a (step S105). If the signal PH1 has not been switched to "Low" (step S105; No), an error timer is set, and whether or not the signal PH1 has been switched to "Low" is monitored until the error timer expires (step S106). Also,
When the error timer expires (step S
106; Yes), the microcomputer 106 causes the display device 10b to indicate an error.

In step S105, when signal PH1 is switched to "Low" (step S105; Y
es), the microcomputer 106 outputs a control signal to the effect that the rotation of the rotary tray 101 is stopped to the rotary tray control motor driver 110, and according to the control signal, the rotary tray control motor driver 11
A value of 0 stops the driving of the rotary tray control motor 102 and stops the rotation of the rotary tray 101 (step S107). At this time, the slot of slot number 3 is located at the center of the exchange port 10a.

Here, the microcomputer 106
Since the "do not count" flag has already been set in step S19, the process of counting down the slot number at the center of the exchange port 10a (step S108) is not performed.

Returning to step S76, the description will be continued. In step S76, (the signal PH1 is "High",
If H2 is "Low", and the stop time timer has not expired (step S76; No), the microcomputer 106 determines whether or not the signal PH2 has been switched to "High", that is, the rotary tray 101 has rotated clockwise. It is determined whether or not this is the case (step S78).

If the signal PH2 has not been switched to "High" at step S78 (step S78; No), the microcomputer 106 proceeds to step S78.
75 and is switched (step S78; Y
es), and reset the stop time timer (step S7)
9) After setting the "do not count" flag (step S80), the process proceeds to step S14. At this time (Step S78; Yes), the signals PH1 and PH2 are both at "H".
"".

Returning to step S75, the description will be continued. When the signal PH1 is switched to "Low" in step S75 (step S75; Yes), the microcomputer 106 resets the stop time timer (step S81), and determines whether the "do not count" flag is set. A determination is made (step S82). At this time (Step S75; Yes), the slot of the slot number 3 is located at the center of the exchange port 10a, and the signals PH1 and PH2 are both "Low".

Since the "do not count" flag has already been set in step S19 (step S8).
2; Yes), the microcomputer 106 clears the setting of this flag (step S83), and
Go to 86.

In step S82, when the "do not count" flag is not set (step S82).
82; No), the slot number at the center of the
Only the countdown is performed (step S85).

Here, when the "do not count" flag is not set, both signals PH1 and PH2 are set to "Lo".
The position of the rotary tray 101 is rotated left from the position "w", and the signal PH2 is first set to "High" (step S60; Ye).
s), then the signal PH1 becomes “High” (step S62; Yes), and then the signal PH2 becomes “Lo”.
w "(step S68; Yes), and then the signal P
This is a case where H1 becomes “Low” (Step S75; Yes).

Returning to step S15, the description will be continued. If the stop time timer has expired in step S15 (step S15; Yes), the microcomputer 106 determines that the rotation of the rotary tray 101 has stopped, and moves the slot with the slot number 4 to the center of the exchange port 10a. The process starts (step S16).
At this time (step S16), the signals PH1 and PH2 are both "High".

After step S16, the microcomputer 106 sends a control signal for rotating the rotary tray 101 clockwise to the rotary tray control motor driver 11.
0, and according to the control signal, the rotary tray control motor driver 110 drives the rotary tray control motor 102 to rotate the rotary tray 101 clockwise (step S49). Then microcomputer 1
In step 06, the process moves to step S43.

Returning to step S14, the description will be continued. When the signal PH1 is switched to "Low" in step S14 (step S14; Yes), the microcomputer 106 resets the stop time timer (step S20), and proceeds to step S21, where the signal PH2 is set to "Low". Is determined.

In step S21, when signal PH2 has not been switched to "Low" (step S2
1; No), the microcomputer 106 determines whether the stop time timer has expired (step S22).

If the stop time timer has not expired in step S22 (step S22; N
o), the microcomputer 106 determines whether or not the signal PH1 has been switched to "High", that is, whether or not the rotary tray 101 has rotated in the opposite direction (in this case, leftward) (step S24). Is not switched to “High” (step S2
4; No), the process moves to step S21.

In step S24, when the rotary tray 101 is rotated in the opposite direction (in this case, leftward) and the signal PH1 is switched to "High" (step S24).
24; Yes), the microcomputer 106 resets the stop time timer (step S25), sets a “do not count” flag (step S26), shifts to step S68, and checks whether the signal PH2 has been switched to “Low”. No, that is, it is determined whether the rotary tray 101 has rotated left. At this time (step S2
4; Yes), the signals PH1 and PH2 are both "High"
It is.

In step S68, when signal PH2 has not been switched to "Low" (step S6)
8; No), the microcomputer 106 determines whether the stop time timer has expired (step S69).

In step S69, when the stop time timer has expired (step S69; Yes),
The microcomputer 106 controls the rotary tray 10
It is determined that the slot No. 1 has stopped, and the process of moving the slot of the slot number 3 to the center of the exchange port 10a (the process of rotating the rotary tray 101 counterclockwise) is started (step S7).
0). At this time (step S70), the signals PH1, PH2
Are both “High”.

After step S70, the microcomputer 106 sends a control signal for rotating the rotary tray 101 counterclockwise to the rotary tray control motor driver 11.
0, and according to the control signal, the rotary tray control motor driver 110 drives the rotary tray control motor 102 to rotate the rotary tray 101 counterclockwise (step S109).

Next, the microcomputer 106
It is determined whether or not the signal PH2 has been switched to "Low", that is, whether or not the rotary tray 101 has rotated left (step S103). If the signal PH2 has not been switched to "Low" (step S103; No), An error timer is set, and it is monitored whether or not the signal PH2 has been switched to "Low" until the error timer expires (step S104). Also,
When the error timer expires (step S
104; Yes), the microcomputer 106 causes the display device 10b to indicate an error.

In step S103, when signal PH2 is switched to "Low" (step S103; Y
es), the microcomputer 106 determines in step S1
Move to 05. At this time (Step S103; Ye)
s), the signal PH1 is “High”, and the signal PH2 is “Lo”.
w ".

Returning to step S69, the description will be continued. In step S69, (the signals PH1 and PH2 are both "High"
h ″), if the stop time timer has not expired (Step S69; No), the microcomputer 10
6, whether or not the signal PH1 has been switched to "Low";
That is, it is determined whether the rotary tray 101 has rotated right (step S71).

If the signal PH1 has not been switched to "Low" at step S71 (step S71; No), the microcomputer 106 proceeds to step S6.
8 and if it is switched (step S71; Ye
s) and reset the stop time timer (step S7)
2) After setting the "do not count" flag (step S73), the process proceeds to step S21. At this time (Step S71; Yes), the signal PH1 is “Low” and the signal PH2 is “High”.

Returning to step S68, the description will be continued. If the signal PH2 has been switched to "Low" in step S68 (step S68; Yes), the microcomputer 106 resets the stop time timer (step S74), and proceeds to step S75. At this time (step S68; Yes), the signal PH1 is "High" and the signal PH2 is "Low".

Returning to step S22, the description will be continued. If the stop time timer has expired in step S22 (step S22; Yes), the microcomputer 106 determines that the rotation of the rotary tray 101 has stopped, and moves the slot with the slot number 4 to the center of the exchange port 10a. The process starts (Step S23).
At this time, the signal PH1 is “Low” and the signal PH2 is “Hi”.
gh ".

After step S23, the microcomputer 106 sends a control signal for rotating the rotary tray 101 clockwise to the rotary tray control motor driver 11.
0, and in response to the control signal, the rotary tray control motor driver 110 drives the rotary tray control motor 102 to rotate the rotary tray 101 clockwise (step S50). Then microcomputer 1
In step 06, the process moves to step S45.

Returning to step S1, the description will be continued. Here, it is assumed that there is a slot of slot number 1 at the center of the exchange port 10a. If the microcomputer 106 determines in step S1 that there is no press signal from the exchange opening / closing key 10c (step S1; No), the microcomputer 106 proceeds to step S6, and determines whether the signal PH1 has been switched to “High”, that is, It is determined whether the rotary tray 101 has rotated right.

In step S6, when the user manually rotates the rotary tray 101 to the left, the microcomputer 106 sets the signal PH1 to "High".
h ”(step S6; N)
o), the process proceeds to step S60 and the signal PH2 is set to "Hi".
gh ”, that is, the rotary tray 1
01 is determined to have rotated left (Step S60; Ye)
s). At this time (Step S60; Yes), the signal PH1
Is "Low" and the signal PH2 is "High".

Thereafter, the microcomputer 106
In step S61, the stop time timer is set (or reset), and the signal PH1 is set to "High".
Or not, that is, the rotary tray 1
It is determined whether 01 has further rotated leftward (step S62).

In step S62, when the signal PH1 has not been switched to "High" (step S6).
2; No), the rotary tray 101 determines whether the stop time timer has expired (step S6).
3).

In step S63, if the stop time timer has expired (step S63; Yes),
The microcomputer 106 controls the rotary tray 10
It is determined that 1 has stopped, and the process of moving the slot with the slot number 200 to the center of the exchange port 10a (the process of rotating the rotary tray 101 to the left) is started (step S64). At this time (Step S63; Yes),
The signal PH1 is "Low" and the signal PH2 is "High".

After step S64, the microcomputer 106 sends a control signal for rotating the rotary tray 101 counterclockwise to the rotary tray control motor driver 11.
0, and in response to the control signal, the rotary tray control motor driver 110 drives the rotary tray control motor 102 to rotate the rotary tray 101 counterclockwise (step S100).

Next, the microcomputer 106
It is determined whether or not the signal PH1 has been switched to “High”, that is, whether or not the rotary tray 101 has rotated left (step S101), and the signal PH1 has been switched to “High”.
Is not switched to (step S101; N
o) The error timer is set, and the signal PH1 is set to “High” until the error timer expires.
h ”is monitored (step S10).
2). If the error timer has expired (step S102; Yes), the microcomputer 106 causes the display device 10b to indicate an error.

In step S101, when the signal PH1 has been switched to "High" (step S101;
Yes), the microcomputer 106 determines in step S
Move to 103. At this time (Step S101; Ye
s), the signals PH1 and PH2 are both “High”.

The description will return to step S63. In step S63, when the signal PH1 is "Low" and the signal PH1 is
2 is “High”), and if the stop time timer has not expired (Step S63; No), the microcomputer 106 determines whether or not the signal PH2 has been switched to “Low”, that is, the rotary tray 101 has rotated clockwise. It is determined whether or not (step S65).

In step S65, if the signal PH2 has not been switched to "Low" (step S65; No), the microcomputer 106 proceeds to step S6.
2 and then switch (step S65; Ye
s), and reset the stop time timer (step S6).
6) The process proceeds to step S30, in which it is confirmed that the rotary tray 101 is rotating clockwise, and then the process proceeds to step S86. At this time (Step S65; Yes), the slot with the slot number 1 is located at the center of the exchange port 10a, and the signals PH1 and PH2 are both "Low".

Returning to step S62, the description will be continued. When the signal PH1 has been switched to "High" in step S62 (step S62; Yes), the microcomputer 106 resets the stop time timer (step S67), and proceeds to step S68. At this time (Step S62; Yes), the signals PH1 and PH2 are both "High".

As described above, according to the optical disc changer 10 of the first embodiment, the first sensor 104a and the second sensor 104b for detecting the position of the rotary tray 101 when the exchange opening 10a is opened. Is in the active state, the detection of the position of the rotary tray 101 manually moved during the opening of the exchange port 10a is continued without clearing the position data of the rotary tray 101 stored before the opening of the exchange port 10a. Do it. Further, during the opening of the exchange opening 10a, the optical disc changer 10 detects the position of the rotary tray 101,
If it is determined that the rotary tray 101 is not at the normal stop position, the rotary tray 101 is rotated and guided to the normal stop position.

Therefore, if the manually operated rotary tray 101 is not at the normal stop position while the exchange opening 10a is open, the optical disk changer 10 rotates the rotary tray 101 to guide the disk to the normal stop position. Of the rotary tray 101
The function of fixing the position of the disk operates normally, and it is possible to accurately load and unload the disk.

[Second Embodiment] Next, with reference to FIGS. 9 and 10, an optical disc changer 2 according to a second embodiment will be described.
0 will be explained. In the first embodiment, as the optical disc changer that automatically corrects the position of the rotary tray moved by the manual operation while the exchange opening is opened, the position of the rotary tray shifted from the normal stop position by the manual operation is Although the optical disc changer 10 automatically corrects to the normal stop position, the second embodiment provides an optical disc changer for automatically returning the rotary tray moved by a manual operation to the original position and performing correction. 20 is shown.

The configuration of the optical disc changer 20 according to the second embodiment is the same as the configuration of the optical disc changer 10 described in the first embodiment. A detailed description is omitted.

FIGS. 9 and 10 are flowcharts illustrating the management process of the rotary tray 101 in the optical disc changer 20 when the exchange slot 10a is opened.

First, the exchange port 10a is open, and the position data of the rotary tray 101 and the loading information of all disks stored in the storage unit 106a have been cleared.

Here, the microcomputer 106
It is determined whether or not there is a pressing signal due to pressing of the exchange opening / closing key 10c (step S200).
c (Step S200; Y)
es), and outputs a control signal for closing the replacement port 10a to the replacement port opening / closing control motor driver 109 (step S2).
01).

Thereafter, the microcomputer 106
It is determined whether or not the closing process of the exchange port 10a is completed (step S202). When the closing process of the exchange port 10a is completed (step S202; Yes), the rotary tray 101 is rotated 360 degrees and the rotary tray is rotated. 10
1 and the loaded disk are detected (step S2).
03).

In step S202, the exchange port 10a
Is not completed (step S202; N
o), the microcomputer 106 determines whether or not there is a pressing signal due to the pressing of the exchange opening / closing key 10c (step S204), and if there is no pressing signal by the exchange opening / closing key 10c (step S204; No), Move to step S202.

In step S204, when there is a push signal by the exchange opening / closing key 10c (step S20)
4; Yes), the microcomputer 106 outputs a control signal for opening the exchange port 10a to the exchange port opening / closing control motor driver 109, and starts the opening processing of the exchange port 10a.

Returning to step S200, the description will be continued. First, as an example of the management process of the rotary tray 101,
A case will be described in which a slot of slot number 1 is provided at the center of the exchange port 10a, and the user manually rotates the rotary tray 101 by two slots to the right. At this time, the first sensor 104a and the second sensor 10
Signals PH1 and PH2 from 4b are both "Low"
It has become. Further, as described above, when the rotary tray 101 is rotated rightward, the number of the slot at the center of the exchange slot 10a is counted positively, and when it is rotated leftward, the slot number is negatively counted.

Note that the movement of the rotary tray 101 is as follows.
The number of slots is not limited to two, but may be ten, twenty, or the like. Further, the rotation direction of the rotary tray 101 is not limited to the right, but may be the left.

When the microcomputer 106 determines in step S200 that there is no push-down signal by the exchange opening / closing key 10c (step S200; No), the microcomputer 106 determines whether or not the signal PH1 has been switched to "High", that is, the rotary tray 101 It is determined whether the rotation has been made to the right (step S205), and the signal PH1 becomes "Hig".
h ”(step S205; Ye
s) The stop time timer set in advance for 5 seconds is started (step S206), and the signal PH2 is set to "Hi".
gh ”, that is, whether the rotary tray 101 has further rotated clockwise (step S207). At this time (step S205; Y)
es), the signal PH1 is “High”, and the signal PH2 is “L”.
ow ".

The time set in the stop time timer is not limited to 5 seconds, but may be 4 seconds or 6 seconds.
Seconds or the like may be used.

If signal PH1 has not been switched to "High" in step S205 (step S2
05; No), the microcomputer 106 proceeds to step S240 to determine whether or not the rotary tray 101 has rotated to the left.

If the microcomputer 106 determines in step S207 that the signal PH2 has been switched to "High" (step S207; Yes), the microcomputer 106 resets the stop time timer (step S212), and the signal PH1 is switched to "Low". That is, it is determined whether the rotary tray 101 has been further rotated rightward (step S213). At this time (step S207; Yes), the signals PH1 and PH2 are both at "H".
"".

When the microcomputer 106 determines in step S213 that the signal PH1 has been switched to "Low" (step S213; Yes), the microcomputer 106 resets the stop time timer (step S219), and switches the signal PH2 to "Low". Or not,
It is determined whether or not the rotary tray 101 has further rotated rightward (step S220). At this time (step S
213; Yes), the signal PH1 is “Low”,
2 is “High”.

If the microcomputer 106 determines in step S220 that the signal PH2 has been switched to "Low" (step S220; Yes), the microcomputer 106 resets the stop time timer (step S226), and sets the "do not count" flag. It is determined whether or not it has been performed (step S227). At this time (step S220;
Yes), the slot of the slot number 2 is located at the center of the exchange port 10a, and the signals PH1 and PH2 are both "Low".
It is.

In step S227, storage unit 106
Since the “do not count” flag is not set for “a” (step S227; No), the microcomputer 106 counts up clockwise by 1, that is,
The slot number at the center of the exchange 10a is counted up by one (step S230), and it is determined whether or not the stop time timer has expired (step S26).
6).

If the "not count" flag is set in step S227 (step S22).
7; Yes), the microcomputer 106 clears the setting of this flag, and proceeds to step S266.

If the microcomputer 106 determines in step S266 that the stop time timer has not expired (step S266; No), the microcomputer 106 determines whether or not there is a pressing signal due to pressing of the exchange opening / closing key 10c (step S266). (Step S268) If it is determined that there is no press signal (step S268; No), the process returns to step S205.

After returning to step S205, the microcomputer 106 repeats a series of processes from step S205, and returns to step S230 again, where the exchange port 10a
The slot number at the center of is incremented by one. At this point, the slot with the slot number 3 is located at the center of the switching port 10a, and the signals PH1 and PH2 are both "Low".

Next, the microcomputer 106
In step S266, it is determined whether or not the stop time timer has expired. If it is determined that the time has expired (step S266; Yes), the slot number that has come to the center of the exchange port 10a due to the manual operation and the time before the manual operation The difference from the slot number at the center of the exchange port 10a is calculated, the rotary tray 101 is rotated by the calculated slot number, and the rotary tray 101 is returned to the position before the manual operation (step S267). The management process of the rotary tray 101 is ended. That is, the slot of the slot number 1 comes to the center position of the exchange port 10a by the process of step S267.

At step S266, when the stop time timer has not expired (step S266;
No), the microcomputer 106 determines whether or not there is a pressing signal due to the pressing of the exchange opening / closing key 10c (step S268). When the pressing signal is received (step S268; Yes), the microcomputer 106 performs manual operation of the exchange opening and closing key 10c. 10
slot number in the center of a
The difference between the slot number at the center of 0a and the slot number is calculated, the rotary tray 101 is rotated by the calculated slot number, the rotary tray 101 is returned to the position before the manual operation (step S269), and the exchange port 10a is closed. A control signal for closing is output to the exchange opening / closing control motor driver 109 (step S270).

Thereafter, the microcomputer 106
It is monitored whether or not the closing process of the exchange port 10a is completed (step S271). When the closing process of the exchange port 10a is completed (step S271; Yes), the loaded disk on the rotary tray 101 is detected (step S271). S27
2).

In step S268, if there is no push signal by the exchange opening / closing key 10c (step S2
68; No), the microcomputer 106 returns to step S205 and determines again whether or not the signal PH1 has been switched to "High".

Here, when the center of the exchange port 10a is located between the slots of the slot numbers 3 and 4, ie, when the rotary tray 101 is not stopped at a normal position, Will be described.

First, the signals PH1 and PH2 are both set to “Lo”.
w ", that is, when there is a slot of slot number 3 in the center of the exchange port 10a,
1 further rotates rightward, the microcomputer 106 determines in step S205 that the signal PH1 has been switched to "High" (step S20).
5; Yes), the stop time timer is reset (step S206).

Next, in step S207, the microcomputer 106 determines whether or not the signal PH2 has been switched to "High".
h ”, that is, when the right rotation of the rotary tray 101 is stopped (step S
207; No), it is determined whether or not the stop time timer has expired (step S208).

If the stop time timer has not expired in step S208 (step S208;
No), the microcomputer 106 determines whether or not the signal PH1 has been switched to "Low", that is, whether or not the rotary tray 101 has been rotated in the opposite direction (in this case, leftward) (step S210).

If the signal PH1 has not been switched to "Low" in step S210 (step S210; No), the microcomputer 106 proceeds to step S207, and if the signal PH1 has been switched to "Low" (step S210; Yes), resets the stop time timer (step S211), and proceeds to step S26.
After it is determined that the rotary tray 101 is rotating counterclockwise in step 4, it is determined whether the stop time timer has expired (step S 266).

At this time (step S210; Yes), the position of the rotary tray 101 is the position where the signals PH1 and PH2 are both "Low", that is, the position where the slot of the slot number 3 comes to the center of the exchange port 10a.

Returning to step 208, the description will be continued. In step S208, if the stop time timer has expired (step S208; Yes), the microcomputer 106 determines that the rotation of the rotary tray 101 has stopped, and determines the slot number that has come to the center of the exchange port 10a by manual operation. Then, the difference from the slot number at the center of the exchange port 10a before the manual operation is calculated, the rotary tray 101 is rotated by the calculated slot number, and the rotary tray 101 is returned to the position before the manual operation (step S209). ). At this time (Step S208; Ye)
s), the signal PH1 is “High”, and the signal PH2 is “Lo”.
w ".

Returning to step S207, the description will be continued. When the signal PH2 is switched to “High” in step S207 (step S207; Yes), the microcomputer 106 resets the stop time timer (step S212), and proceeds to step S213.
It is determined whether the signal PH1 has been switched to "Low".

In step S213, when the signal PH1 has not been switched to "Low", that is, when the right rotation of the rotary tray 101 has stopped (step S213; No), the microcomputer 106 has counted up the stop time timer. It is determined whether or not (step S214).

At step S214, when the stop time timer has not expired (step S214;
No), the microcomputer 106 determines whether or not the signal PH2 has been switched to "Low", that is, whether or not the rotary tray 101 has been rotated in the opposite direction (in this case, leftward) (step S216). Is not switched to “Low” (step S21)
6; No), the process moves to step S213.

In step S216, when the rotary tray 101 is rotated in the opposite direction (in this case, leftward) and the signal PH2 is switched to "Low" (step S216).
216; Yes), the microcomputer 106 resets the stop time timer (step S217), and sets a “do not count” flag (step S21).
8) The process proceeds to step S255, where the signal PH1 is set to “Lo”.
w ”, that is, whether the rotary tray 101 has rotated to the left. At this time (step S216; Yes), the signal PH1 is“ High ”,
The signal PH2 is “Low”.

In step S255, when signal PH1 has not been switched to "Low" (step S25)
5; No), the microcomputer 106 determines whether or not the stop time timer has expired (step S256).

In step S256, when the stop time timer has expired (step S256; Ye
s), the microcomputer 106 determines that the rotary tray 101 has stopped, and performs manual operation to
The difference between the slot number at the center of the slot 0a and the slot number at the center of the exchange port 10a before the manual operation is calculated, and the rotary tray 101 is calculated by the calculated slot number.
Is rotated to return the rotary tray 101 to the position before the manual operation (step S257). At this time (step S2
56; Yes), the signal PH1 is “High”,
2 is “Low”.

Returning to step S256, the description will be continued. In step S256 (the signal PH1 is "High" and the signal PH2 is "Low"), if the stop time timer has not expired (step S256; No), the microcomputer 106 determines whether the signal PH2 has been switched to "High". No, that is, the rotary tray 10
It is determined whether or not 1 has rotated right (step S25)
8).

If the signal PH2 has not been switched to "High" in step S258 (step S258; No), the microcomputer 106 proceeds to step S255, and if it has been switched (step S2).
58; Yes), reset the stop time timer (step S259), set the "do not count" flag (step S260), and proceed to step S213.
At this time (step S258; Yes), the signals PH1, P
H2 are both “High”.

Returning to step S255, the description will be continued. When the signal PH1 is switched to "Low" in step S255 (step S255; Yes), the microcomputer 106 resets the stop time timer (step S261), and determines whether the "do not count" flag is set. A determination is made (step S262).
At this time (step S255; Yes), the slot of slot number 3 is located at the center of the exchange port 10a, and the signal PH
1 and PH2 are both "Low".

Since the "do not count" flag has already been set in step S218 (step S26).
2; Yes), the microcomputer 106 clears the setting of this flag (step S263), and proceeds to step S266.

If the "do not count" flag is not set in step S262 (step S262; No), the counter is incremented counterclockwise by one, that is, the center slot number of the exchange port 10a is incremented by one.
Only the countdown is performed (step S265).

Here, when the "do not count" flag is not set, both signals PH1 and PH2 are set to "Lo".
From the position “w”, the rotary tray 101 rotates counterclockwise, and first, the signal PH2 becomes “High” (step S240; Ye
s), then the signal PH1 becomes “High” (step S242; Yes), and then the signal PH2 becomes “L”.
ow "(step S248; Yes), and then the signal PH1 becomes" Low "(step S255; Yes).

Returning to step S214, the description will be continued. In step S214, if the stop time timer has expired (step S214; Yes), the microcomputer 106 determines that the rotation of the rotary tray 101 has stopped, and determines the slot number that has come to the center of the exchange port 10a by manual operation. Calculating the difference from the slot number at the center of the exchange port 10a before the manual operation, and rotating the rotary tray 101 by the calculated slot number.
The rotary tray 101 is returned to the position before the manual operation (Step S215). At this time (step S215), the signals PH1 and PH2 are both “High”.

Returning to step S213, the description will be continued. When the signal PH1 is switched to “Low” in step S213 (step S213; Yes), the microcomputer 106 resets the stop time timer (step S219), and proceeds to step S220.
It is determined whether the signal PH2 has been switched to “Low”.

In step S220, when signal PH2 has not been switched to "Low" (step S22).
0; No), the microcomputer 106 determines whether the stop time timer has expired (step S221).

In step S221, when the stop time timer has not expired (step S221;
No), the microcomputer 106 determines whether or not the signal PH1 has been switched to "High", that is, whether or not the rotary tray 101 has rotated in the opposite direction (in this case, leftward) (step S223).
Is not switched to “High” (step S
223; No), and proceeds to step S220.

In step S223, when the rotary tray 101 is rotated in the opposite direction (in this case, leftward) and the signal PH1 is switched to "High" (step S223; Yes), the microcomputer 106
The stop time timer is reset (step S224),
After setting the "do not count" flag (step S2
25) The flow shifts to step S248 to set the signal PH2 to "L".
ow ", that is, whether or not the rotary tray 101 has rotated counterclockwise. At this time (step S223; Yes), the signals PH1 and PH2 are both" High ".

In step S248, if signal PH2 has not been switched to "Low" (step S24)
8; No), the microcomputer 106 determines whether or not the stop time timer has expired (step S249).

In step S249, when the stop time timer has expired (step S249; Ye
s), the microcomputer 106 determines that the rotary tray 101 has stopped, and performs manual operation to
The difference between the slot number at the center of the slot 0a and the slot number at the center of the exchange port 10a before the manual operation is calculated, and the rotary tray 101 is calculated by the calculated slot number.
Is rotated to return the rotary tray 101 to the position before the manual operation (step S250). At this time (step S2
50), the signals PH1 and PH2 are both “High”.

Returning to step S249, the description will be continued. In step S249, (the signals PH1 and PH2 are both "H"
If the stop time timer has not expired (step S249; No), the microcomputer 106 determines whether or not the signal PH1 has been switched to “Low”, that is, whether or not the rotary tray 101 has rotated clockwise. Is determined (step S251).

If the signal PH1 has not been switched to "Low" in step S251 (step S251; No), the microcomputer 106 proceeds to step S248, and if it has been switched (step S25).
1; Yes), the stop time timer is reset (step S252), and the “not counting” flag is set (step S253), and the process proceeds to step S220.
At this time (step S251; Yes), the signal PH1 is "Low" and the signal PH2 is "High".

Returning to step S248, the description will be continued. When the signal PH2 is switched to “Low” in step S248 (step S248; Yes), the microcomputer 106 resets the stop time timer (step S254), and proceeds to step S255.
At this time (step S248; Yes), the signal PH1 is "High" and the signal PH2 is "Low".

Returning to step S221, the description will be continued. If the stop time timer has expired in step S221 (step S221; Yes), the microcomputer 106 determines that the rotation of the rotary tray 101 has stopped, and determines the slot number that has come to the center of the exchange port 10a by manual operation. Calculating the difference from the slot number at the center of the exchange port 10a before the manual operation, and rotating the rotary tray 101 by the calculated slot number.
The rotary tray 101 is returned to the position before the manual operation (Step S222). At this time, the signal PH1 is “Low”,
The signal PH2 is "High".

Returning to step S200, the description will be continued. Here, the slot number 1 is located at the center of the exchange port 10a.
Suppose there is a slot of Microcomputer 106
Is the exchange opening / closing key 10c in step S200.
(Step S20)
0; No), the process moves to step S205, and the signal PH1
Is switched to “High”, that is, whether the rotary tray 101 has rotated clockwise.

In step S205, when the user manually rotates the rotary tray 101 leftward, the microcomputer 106 sets the signal PH1 to "H".
is determined to have not been switched to "high" (step S2).
05; No), the flow shifts to step S240, and outputs the signal PH.
2 has been switched to "High", that is, it is determined that the rotary tray 101 has rotated left (step S2).
40; Yes). At this time (Step S240; Ye
s), the signal PH1 is “Low”, and the signal PH2 is “High”.
h ".

Thereafter, the microcomputer 106
In step S241, the stop time timer is set (or reset), and the signal PH1 is set to "High".
Or not, that is, the rotary tray 1
It is determined whether 01 has further rotated leftward (step S242).

In step S242, when signal PH1 has not been switched to "High" (step S2
42; No), the rotary tray 101 determines whether the stop time timer has expired (step S).
243).

In step S243, when the stop time timer has expired (step S243; Ye
s), the microcomputer 106 determines that the rotary tray 101 has stopped, and performs manual operation to
The difference between the slot number at the center of the slot 0a and the slot number at the center of the exchange port 10a before the manual operation is calculated, and the rotary tray 101 is calculated by the calculated slot number.
Is rotated to return the rotary tray 101 to the position before the manual operation (step S244). At this time (step S2
43; Yes), the signal PH1 is “Low”, the signal PH2
Is “High”.

Returning to step S243, the description will be continued. In step S243 (the signal PH1 is "Low" and the signal PH2 is "High"), if the stop time timer has not expired (step S243; No), the microcomputer 106 determines whether the signal PH2 has been switched to "Low". No, that is, the rotary tray 101
It is determined whether or not has rotated right (step S245).

In step S245, the microcomputer 106 proceeds to step S242 if the signal PH2 has not been switched to "Low" (step S245; No), and if it has been switched (step S24).
5; Yes), the stop time timer is reset (step S246), and the process shifts to step S229. After confirming that the rotary tray 101 is rotating clockwise, the process shifts to step S266. At this time (step S245; Y
es) The slot of slot number 1 is located at the center of the exchange 10a, and the signals PH1 and PH2 are both "Low".
It is.

Returning to step S242, the description will be continued. When the signal PH1 is switched to “High” in step S242 (step S242; Yes), the microcomputer 106 resets the stop time timer (step S247), and proceeds to step S248.
At this time (step S242; Yes), the signals PH1, P
H2 are both “High”.

As described above, according to the optical disc changer 20 of the second embodiment, the first sensor 104a and the second sensor 104b for detecting the position of the rotary tray 101 when the exchange opening 10a is opened. Is in the active state, the detection of the position of the rotary tray 101 manually moved during the opening of the exchange port 10a is continued without clearing the position data of the rotary tray 101 stored before the opening of the exchange port 10a. Do it. Further, when the rotary tray 101 is moved by a manual operation while the exchange opening 10a is opened, the optical disc changer 20 detects the stop position of the rotary tray 101, and rotates to the stop position before the movement to return to the original position. .

Therefore, while the exchange opening 10a is open, the manually moved rotary tray 101 automatically returns to the stop position before the movement, so that when the exchange opening 10a is closed and manual operation cannot be performed, the rotary tray 101 cannot be operated. 101
It is not necessary to detect the position data every time, and the time required until the position data is detected can be reduced, so that the convenience and the functionality are improved.

The present invention is not limited to the contents of the first and second embodiments, and can be appropriately changed without departing from the gist of the present invention. For example, in the first and second embodiments, a CD is assumed as a disk to be loaded in the optical disk changers 10 and 20, but the present invention is not limited to this, and DVDs and CD-Rs are not limited thereto.
(CD-Recordable) or CD-RW (CD-ReWritabl)
e) etc.

Also, the optical disk changers 10 and 20
The number of disks that can be stored in the disk is not limited to 200, but can be variously set according to the arrangement interval of the rotary tray 101 and the slot, such as 300 or 400.

[0214]

According to the first aspect of the present invention, even during manual operation, the position of the disk holding unit is sequentially detected, so that the rotation type disk storage unit can be managed regardless of whether it is driven by a motor or manually operated. Control becomes possible and functionality is improved.

According to the second aspect of the present invention, after the manual operation, if the disk holding unit is not detected by the detection unit, the rotary disk storage unit rotates to a position where the disk holding unit can be detected. Since the disk is moved, when the disk is loaded or unloaded after the manual operation, the function of fixing the position of the rotary disk storage unit operates normally, and the disk can be loaded or unloaded accurately.

According to the third aspect of the present invention, since the rotary disk storage unit moved by the manual operation automatically returns to the position before the movement, the position data of the disk holding unit is returned to the position data after the manual operation. No need to detect each time,
Since the time required for detecting the position data can be reduced, a disk changer device with further improved convenience and functionality can be realized.

[Brief description of the drawings]

FIG. 1 is a diagram showing a front part of an optical disc changer 10 according to a first embodiment.

FIG. 2 shows a storage unit 100 for storing a plurality of disks included in the optical disk changer 10 according to the first embodiment.
It is a principal part top view which shows schematic structure of.

FIG. 3A illustrates first to third sensors 104 illustrated in FIG. 2;
FIG. 4 is a timing chart of signals PH1 to PH3 output from a to 104c, and FIG. 4B shows signals PH1 and PH2 output from the first and second sensors 104a and 104b shown in FIG.
6 is a timing chart of a disk presence / absence detection signal output by a disk presence / absence detection sensor 104d.

FIG. 4 is a schematic block diagram illustrating an internal circuit of the optical disc changer 10 according to the first embodiment.

FIG. 5 is a flowchart illustrating a management process of the rotary tray 101 when the exchange slot 10a is opened in the optical disc changer 10 according to the first embodiment.

FIG. 6 is a flowchart illustrating a management process of the rotary tray 101 when the exchange slot 10a is opened in the optical disc changer 10 according to the first embodiment.

FIG. 7 is a flowchart illustrating a management process of the rotary tray 101 when the exchange slot 10a is opened in the optical disc changer 10 according to the first embodiment.

FIG. 8 is a flowchart illustrating a management process of the rotary tray 101 when the exchange slot 10a is opened in the optical disc changer 10 according to the first embodiment.

FIG. 9 is a flowchart illustrating a management process of the rotary tray 101 when the exchange slot 10a is opened in the optical disc changer 20 according to the second embodiment.

FIG. 10 is a flowchart illustrating a management process of the rotary tray 101 when the exchange slot 10a is opened in the optical disc changer 20 according to the second embodiment.

FIG. 11 is a flowchart illustrating an operation after a replacement port is closed in a conventional disc changer device having a rotary tray.

[Explanation of symbols]

 10, 20 Optical disk changer 10a Replacement opening 10b Display device 10c Replacement opening opening / closing key 10d Play key 10e Stop key 10f Rotary tray operation dial 10g Numeric keypad 100 Disk storage unit 101 Rotary tray 102 Rotary tray control motor 103 Disk arm 104 Sensor support plate 104a 1 sensor 104b second sensor 104c third sensor 104d disk presence / absence detection sensor 105 substrate 106 microcomputer 107 input unit 108 display unit 109 exchange opening / closing control motor driver 110 rotary tray control motor driver 111 disk arm control motor driver 112 DSP 113 pickup unit 114 Load / unload SW 115 Exchange opening / closing control motor

Claims (3)

[Claims] 1. A rotatable disk storage unit for storing a plurality of disks on which information is recorded, and one disk provided in the disk storage unit by the number of disks that can be stored in the disk storage unit. A disk changer device comprising: a disk holding unit that holds the disk for each time; and a detecting unit that detects the position of each of the disk holding units. A disc changer device for sequentially detecting a position of each of the disc holding units of the rotating disc storage unit during the rotational movement. 2. After the rotation of the rotary disk storage unit by manual operation, it is determined whether the disk holding unit is detected by the detection unit. If the disk holding unit is not detected, the detection is performed. 2. The disk changer device according to claim 1, further comprising control means for rotating the rotary disk storage unit to a position where the unit can detect the disk holding unit. 3. The method according to claim 1, wherein the control means rotates the rotary disk storage unit to a position before the manual operation after the rotary disk storage unit is manually rotated. Alternatively, the disc changer device according to 2.