JP3316383B2 - Disc recording / reproducing apparatus and disc presence / absence display method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a so-called autochanger type disk recording / reproducing apparatus for accommodating a plurality of disks as recording media and recording / reproducing a desired disk, and a method for displaying the presence / absence of a disk.

[0002]

2. Description of the Related Art Various types of auto-changer type recording / reproducing apparatuses for storing a plurality of disks upright and recording / reproducing a desired disk have been proposed. The applicant has previously proposed the apparatus shown in FIGS. 10 to 12 (see Japanese Patent Application Laid-Open No. 6-309775). In the following description, the disc insertion direction is defined as the front, and the disc ejection direction is defined as the rear. This device is a magazine (3) that can accommodate a plurality of disks D
Is rotatably provided on a chassis (2) in the apparatus main body (100), and a charging / discharging section (4) is provided outside a rotation transfer path of the magazine (3).
And the recording / reproducing unit (7) are arranged apart from each other. The magazine (3) is formed with 24 disk accommodation spaces (31) and (31) radially, and can accommodate the disks D in the respective holding grooves (31) in a state of standing upright.

The loading / unloading section (4) is provided with a roller unit (6) for pinching and transporting a disc between the outside of the apparatus main body (100) and the magazine (3). Are sensors (SE3) to (SE8) for detecting the passage of the disk.
Is provided. Each disk accommodation space (31) is assigned an identification number from No. 1 to 24, and each identification number is assigned to a processor (200) connected to the front panel (20) of the apparatus main body (100). It is remembered. Disc is a magazine
(3) When inserted into the loading / discharging section (4) from outside, the sensor
Through (SE3) to (SE8), the passage of the disk is detected,
The passed disk enters a disk storage space (31) facing the input / output unit (4). The processor (200) has a sensor (SE
3) Based on the signals from (SE8), the disk accommodation space
The fact that the disc has been inserted is stored in (31).

The front panel (20) is provided with a display (330) for displaying an operation state and the like.
At (330), as shown in FIG.
There is provided a display unit (300) in which segments (310) each enclosing the identification number of (31) with an arc-shaped disk contour are arranged. The processor (200) has a segment (310) corresponding to the identification number of the disk accommodation space (31) in which the disk is inserted.
Lights up. If the identification number of the segment (310) and the disk outline surrounding the number are lit, the disk is in the disk accommodation space (31) of that number. If the identification number of the segment (310) and the disk outline surrounding the number are turned off, the disk accommodation space of that number
There is no disc in (31) and it is empty. If the identification number of the segment (310) is turned off and the disk outline surrounding the number is lit, it means that the disk is being inserted or ejected.

[0005]

In the recording / reproducing apparatus described above, segments (310) are provided for each identification number of the disk accommodation space (31).
When the number of 1) is large, that is, when a large number of disks are accommodated in the magazine (3), the number of segments (310) increases. For this reason, the display section (300) is widened, and the size of the apparatus body (100) is increased. In addition, the segment (310) is usually formed of LEDs, but when the number of segments (310) increases, the number of LEDs also increases, resulting in an increase in the number of parts and an increase in cost. An object of the present invention is to provide a disk recording / reproducing apparatus which does not need to increase the area of a display unit even if the number of disk accommodation spaces in a magazine increases.

[0006]

Means for Solving the Problems All the disk accommodation spaces (31) of the magazine (3) are a predetermined number of continuous disk accommodation spaces (3).
1) is divided into blocks (320), which are sets of
0) comprises a display unit (300) for displaying information on the presence or absence of a disk in the magazine (3), and the display unit (300) shows information including at least one disk per block (320). The mode is switched to a partial mode indicating whether or not a disk is inserted in all of the disk accommodation spaces (31) in the block (320). An operation button (110) for switching between the entire mode and the partial mode is provided in the apparatus main body (100).

[0007]

[Operation and Effect] By operating the operation button (110),
The display unit (300) switches between the entire mode and the partial mode.
In the whole mode, if at least one disk is contained in the disk accommodation space (31) constituting the block (320), the fact is displayed. In the partial mode, the block (320) is displayed.
If there is a disk in all of the disk accommodation spaces (31), a message to that effect is displayed. Any disk storage space
When a disc is inserted in (31), the display unit (300) is set to the whole mode. As for the block (320) containing at least one disc, a message to that effect is displayed, so that it can be seen that the disc can be inserted into a block (320) other than the block (320).

For the sake of organization, a plurality of discs on which the same or similar information is recorded may be collectively stored in a predetermined block (320). In this case, the block (320)
In order to add and store a disc in the block, after confirming that at least one disc already exists in the block (320) in the whole mode, the operation button (110) is switched to Set the mode. Since it is known whether or not a disk is inserted in all the disk accommodation spaces (31) in the block (320), it can be determined whether a disk can be further inserted. In other words, if the operation button (110) is operated to switch between the entire mode and the partial mode, information on whether or not a disc is inserted in each block (320) or whether or not a disc can be further inserted is provided. You can know. Therefore, the display unit (300) may be provided with a means for displaying the presence or absence of a disk for each block (320), and even if the number of disk storage spaces of the magazine increases, the disk storage space (31) of all the disks is reduced. Since there is no segment to display disk presence information,
It is not necessary to increase the area of the display unit (300). Also, since the number of segments and the like does not increase, it does not lead to an increase in the number of parts and an increase in cost.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION

(Overall Overview) Hereinafter, an example of the present invention will be described in detail with reference to the drawings. Although the present invention will be described by taking a disk for recording and reproducing music as an example, it is needless to say that the present invention can be applied to other disks, for example, a DVD (digital video disk) and a CD-ROM for recording and reproducing video. Figure 1 shows the main body of the device
It is a perspective view of (100). As in the conventional case, a processor (200) including a microcomputer is connected to a front panel (20) provided on the front surface of the chassis (2). At the center of the front panel (20) is a rotary shutter (4
0) is provided, and an opening (41) through which the disc D passes is opened in the center of the rotary shutter (40). On the left side of the opening (41), a display (3
30) is provided, and a transparent window (150) through which the inside of the apparatus main body (100) can be seen is provided on the right side of the opening (41).
Disk D is mounted on the front panel (20) of the main unit (100).
The load / eject button (130) operated when inserting or removing a disk, after inserting a disk into the device body (100),
Magazine feed button (1
20), an operation button (110) described later is provided.

FIG. 3 is a block diagram showing the inside of the apparatus main body (100). The operation button (110) is an A / D in the processor (200).
The A / D converter (250) is connected via a bus line (230) to a ROM (210) in which various instruction signal programs are stored and an RA temporarily storing information.
M (220) and a logical operation unit (ALU) (280). A non-volatile memory (290) is also connected to the bus line (230) to store information even when the power is turned off. The ROM (210) and the RAM (220) are connected to a changer mechanism (4) through a port (260) which is an output terminal.
00), a recording / reproducing unit (7) described later, and the recording / reproducing unit (7)
Is connected to a circuit section (270) that controls the operation of. In this example, a detailed description of the operation of the recording / reproducing section (7) and the circuit section (270) is omitted. A display (330) is connected to the bus line (230) via a display controller (240). Signals from the operation button (110), the ROM (210), and the RAM (220) are also transmitted to the display (330). In this example, the status of the changer mechanism (400) is displayed.
There is a feature in the configuration displayed in (330). First, the changer mechanism (400) will be described.

As shown in FIGS. 1 and 4, the changer mechanism (400) is provided on a chassis (2) with a double cylindrical magazine (3) capable of radially storing a plurality of disks D rotatably. And a recording / reproducing unit (7) inside the magazine (3). As in the prior art, a charging / discharging section (4) is provided outside the rotation transition path of the magazine (3) and inside the front panel (20). The rotation centers of the loading / unloading unit (4), the recording / reproducing unit (7), and the magazine (3) are located on a straight line, so that the distance from the loading / discharging unit (4) to the recording / reproducing unit (7) is reduced. It is set short. A first roller unit for pinching and transporting the disk in the transfer path of the disk in the loading / discharging section (4)
(6) is provided, the inner wall of the magazine (3) and the recording / reproducing unit (7)
Similarly, second and third roller units (60) and (61) for sandwiching the disk are provided along the disk loading direction.

A motor (M1) for rotating the magazine (3) is arranged outside the rotation transfer path of the magazine (3), and the three roller units (6) are disposed in a hollow portion of the magazine (3).
(60) A motor (M3) for applying a rotational driving force to (61) is provided. The power from the motor (M3) is transmitted to the second and third roller units (60) and (61) and then transmitted to the first roller unit (6) via the gear train (67). magazine
The lower end of (3) is an annular support column standing on the chassis (2).
A notch (28) is rotatably fitted to (21), and a part of the support column (21) is provided with a notch (28) for allowing a disk to pass therethrough. The magazine (3) has a plurality of receiving tires arranged on the chassis (2).
(22) It is placed on (22) and rotates around the support column (21).

FIG. 5 is a perspective view showing a state where the magazine (3) is turned upside down. The magazine (3) has a plurality of disk accommodating spaces which can accommodate the disks in an upright state, as in the related art.
(31) (31) is formed radially, both ends of each accommodation space (31),
Openings are formed in the outer and inner walls of the magazine (3) to form slit holes that allow the disk to pass through. The magazine (3) in this example has a total of 150 disk storage spaces (31).
Are radially provided, and in each disk accommodation space (31), the magazine (3) is attached to the chassis (2), and
To No. 150 are provided in the counterclockwise direction. Here, six adjacent disk accommodation spaces (31) and (31) are defined as one block (320), and the total disk accommodation space (31) is divided into 25 blocks (320).

An annular tooth surface (3) is provided on the periphery of the lower surface of the magazine (3).
5) is formed, and the magazine (3) is formed on the lower surface of the magazine (3).
A first rib ring (33) and a second rib ring (34) concentric with are provided in order from the outside. In the first rib ring (33), the same number of transparent windows (36) as the disk accommodation space (31) are opened at equal intervals.
The second rib ring (34) is provided with one window-shaped reset detector (37) every 60 °, and the adjacent reset detectors (3
7) In the middle part of (37), a position confirmation unit group (38) is provided which has a window hole extending along the circumferential direction of the second rib ring (34).
The number of window holes of the position confirmation unit group (38) is different from each other. The six reset detectors (37) are No. 1, No. 26, No. 51, and No. 7, respectively.
The information corresponding to the disk accommodation spaces (31) of No. 101 and No. 126 is stored in the processor (200).

FIG. 6 is a plan view showing a magazine rotating mechanism (5) provided on the chassis (2). The motor (M
1) is connected to the annular tooth surface (35) of the magazine (3) via a belt (54) and two two-step gears (50) (51), and the front panel (2
The magazine (3) is rotated according to the input from (0). A sensor means comprising a pair of photocouplers on the rotation transition path of the first rib ring (33) and the second rib ring (34) of the magazine (3).
(SE1) and (SE2) are provided respectively, and the sensor means (SE1)
Is the window of the first rib ring (33) with the rotation of the magazine (3).
(36) is detected. The sensor means (SE2) detects the reset detection section (37) and the position confirmation section group (38). Magazine (3)
The same number of transparent windows (36) are provided at equal intervals as the disk accommodation space (31), and after detecting the passage of one transparent window (36), the passage of the next transparent window (36) is performed. Upon detection, it is found that the magazine (3) has been rotated by one pitch of the disk accommodation space (31).

The processor (200) is provided with any disk accommodation space.
Whether or not (31) faces the input / output unit (4) is stored. However, even if power is supplied to the main unit (100) after the information stored in the processor (200) is lost due to a power failure or the like, the disc storage space (31) facing the loading / unloading section (4) cannot identify which disc storage space (31). I do not know if it corresponds to the number. In this case, first, the magazine (3) is rotated, and the sensor means (SE2)
Detects the reset detector (37). Reset detector (3
When (7) is detected, it is found that the disk accommodation space (31) that has passed through the input / output unit (4) is a disk accommodation space (31) having any one of the six identification numbers described above. Further magazine (3)
When the is rotated, the sensor means (SE2)
(38), and from the number of window holes of the position confirmation unit group (38), it is known which reset detection unit (37) to be detected next corresponds to the disk accommodation space (31) of which identification number. . Next, when the sensor means (SE2) detects the reset detecting section (37), the rotation of the magazine (3) is stopped. Therefore, after power is supplied to the apparatus main body (100) irrespective of the initial state, the processor (200) determines which identification number of the disk accommodation space (31) is in the loading / unloading section (4).
The RAM (220) and the non-volatile memory (29
0).

FIG. 7 is a right side view of the charging / discharging section (4). The charging / discharging section (4) includes the first roller unit (6), and a sensor substrate is provided on both sides of the first roller unit (6).
(42) is erected. Six sensors (SE3) to (SE8) for detecting the passage of the disk are provided on the sensor board (42). The six sensors are four sensors (SE
3) to (SE6) are arranged in one vertical line, and the remaining two sensors (SE6)
7) (SE8) is disposed inside the first roller unit (6). The reason why such a large number of sensors are provided is that there are discs having a diameter of 12 cm and those having a diameter of 8 cm to be inserted, and the insertion of these two types of discs is detected. Details of this are described in the applicant's earlier Japanese Patent Application Laid-Open No.
No.

As shown in FIG. 2, the display (330) has 25 blinkable segments (310) (310) at the right end.
A display unit (300) provided concentrically with the display unit (300).
A character display column (340) indicating the presence or absence of a disk in each disk accommodation space (31) is provided on the left side of the box. Further, on the left side of the character information column (340), a number indicator (35) indicating the identification number of the disk accommodation space (31) facing the input / output unit (4).
0) is provided. As will be described later, the display unit (300) shows the disk presence / absence information in each block (320) of the magazine (3) by lighting each segment (310). The disk storage space (31) in the magazine (3) is 1 in total.
Since there are 50 segments and 25 segments (310), each segment (310) indicates disk presence / absence information in a block (320) consisting of six disk accommodation spaces (31). Outside the segment (310), No. 1, No. 25, No. 50, No.
A number indication (360) indicating to which block (320) the disk accommodation space (31) to which the identification numbers of 75, No. 100, No. 125 and No. 150 belong is attached. In addition, segment
(310) is arranged in an annular shape in accordance with the radial arrangement of the discs in the magazine (3), and another display method, for example, as shown in FIG. 310) may be arranged horizontally.

The display of the display unit (300) includes an overall mode indicating information containing at least one disk for each block (320), and a disk in all the disk accommodation spaces (31) in the block (320). It is divided into partial modes indicating whether or not it is on. The meaning content displayed by each segment (310) of the display unit (300) is as follows. Full mode segment lighting Blocks with at least one disk segment turned off Segments with no disks inserted Partial mode segment flashing Blocks with disks in all disk space Segments off Blocks with empty disk space That is, in the entire mode, if at least one disk is in the block (320), the corresponding segment (310) is turned on. In the partial mode, the segment (310) blinks if there are disks in all six disk accommodation spaces (31) of the block (320). Switching between the entire mode and the partial mode is performed by operating an operation button (110) provided on the front panel (20). The signal from the operation button (110) is
Through the D converter (250), along the bus line (230),
Input to ALU (280). The output from the ALU (280) is input to the display controller (240), and the display (330)
Is switched on the display section (300). The above operation is shown in the flowchart of FIG.

(Disk insertion) When a disk is initially inserted into the magazine (3), the following operation is performed. First, the load / eject button (130) (see FIG. 1) on the front panel (20) is operated. "LOAD" is displayed on the front panel (20).
DISC "is displayed so as to flow to the left. When the disc D is inserted through the opening (41) shown in FIG. 7, the sensor means (SE3) to (SE6) detect the presence of the disc. The first roller unit (6) rotates in the direction of pulling in the disc to convey the disc toward the magazine (3), and the sensor means (SE7).
When (SE8) detects the passage of the disc,
The processor (200) is informed that the disk is accommodated in the disk accommodation space (31) facing (4). Processor
(200) is a disk storage space facing the input / output unit (4).
Since it is known which identification number corresponds to (31), the fact that the disk is accommodated in the disk accommodation space (31) of the identification number indicates that the RAM (220) and the non-volatile memory (290)
Store in.

Next, in order to insert a disc into the magazine (3), the magazine feed button (1) on the front panel (20) shown in FIG.
Operate 20). The identification number of the next disk storage space (31) is displayed on the number indicator (350), and the disk storage space (31) is displayed.
If there is a disc in the display (3)
Nothing is displayed in the character display column (340) of (30). If not, a character string "NO DISC" is displayed, indicating that the disk accommodation space (31) can be loaded with a disk. Disks are inserted into the insertable disk accommodation space (31) in the same manner as described above, and disks are inserted one after another into the disk accommodation space (31). The applicant automatically inserts and ejects the disc storage space (31) where no disc is inserted.
Although a device facing (4) has also been proposed, a detailed description is omitted in the present application.

After the loading of the disc into the magazine (3) is completed, the display unit (300) is in the entire mode in a state where the power is supplied to the apparatus main body (100). Therefore, when the user inserts a disk into any one of the disk accommodation spaces (31), the block (320) in which the segment (310) is turned off may be selected. Further, the operation button (110) is operated to switch to the partial mode, and the block (320) corresponding to the unlit segment (310) is selected, and the disk in which no disk is accommodated in the block (320) is selected. The accommodation space (31) may be selected.

The disk recording / reproducing apparatus according to the present embodiment
Since it can store as many as 50 disks, it is sometimes used as a case for storing disks. At this time, a plurality of discs belonging to the same music field may be collectively stored in a predetermined block (320) for convenience of organization. At this time, if a disk is to be additionally stored in the block (320), the following operation is performed.
First, it is confirmed that at least one disk already exists in the block (320) in the whole mode. Thereafter, the operation button (110) shown in FIG. 2 is switched to set the partial mode. If the segment (310) corresponding to the block (320) flashes, it is known that the disk cannot be inserted into the block (320).

When the segment (310) is turned off, it is understood that a disk can be inserted into the block (320). The user inputs the identification number of the disk storage space (31) belonging to the block (320) from the front panel (20), and from the character display column (340) of the display (330), the disk storage space (31) Check that there is a disc in the disc. If a disc is inserted, the user operates the magazine feed button (120) to search the character display column (340) for a disc accommodation space (31) in which no disc is inserted. Free disk storage space
When finding (31), the magazine (3) is rotated so that the disk storage space (31) faces the loading / unloading section (4), and the disk is loaded.

In the disc recording / reproducing apparatus of the present embodiment, if the operation button (110) is operated to switch between the entire mode and the partial mode, it is determined whether or not a disc is inserted in each block (320). Or information on whether or not a disc can be inserted. Therefore, the display unit (300) may be provided with a means for displaying the presence or absence of a disk for each block (320), and even if the number of magazine disk accommodation spaces (31) increases, all the disk accommodation spaces (31) are provided. It is not necessary to provide a segment or the like for displaying the disk presence information in 31). That is,
There is no need to increase the area of the display unit (300). Also, since the number of segments and the like does not increase, it does not lead to an increase in the number of parts and an increase in cost.

The description of the above embodiments is for the purpose of illustrating the present invention and should not be construed as limiting the invention described in the appended claims or reducing the scope thereof. Further, the configuration of each part of the present invention is not limited to the above-described embodiment, and it is needless to say that various modifications can be made within the technical scope described in the claims.

[Brief description of the drawings]

FIG. 1 is a perspective view of a disk recording / reproducing apparatus.

FIG. 2 is an enlarged view of a display.

FIG. 3 is a circuit block diagram in the disk recording / reproducing apparatus.

FIG. 4 is a plan view of the disk recording / reproducing apparatus.

FIG. 5 is a perspective view showing the magazine upside down.

FIG. 6 is a plan view showing an arrangement relationship between a magazine rotating mechanism and a magazine.

FIG. 7 is a sectional view showing the positional relationship between the magazine and the sensor means.

FIG. 8 is a diagram showing another display in which the segments are arranged in a horizontal row.

FIG. 9 is a flowchart showing a segment switching operation.

FIG. 10 is a perspective view showing a conventional disk recording / reproducing apparatus.

11 is a right side view of the disk recording / reproducing apparatus of FIG. 10 cut along line AA.

FIG. 12 is a diagram showing an arrangement of segments in a conventional disk recording / reproducing apparatus.

[Explanation of symbols]

 (2) Chassis (3) Magazine (31) Disk storage space (100) Main unit (110) Operation buttons (200) Processor (300) Display (310) Segment (320) Block

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hitoshi Ogata 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Hideharu Toda 2-5-2 Keihanhondori, Moriguchi-shi, Osaka No. 5 Sanyo Electric Co., Ltd. (56) References JP-A-8-55407 (JP, A) JP-A-6-342581 (JP, A) JP-A-2-5143 (JP, U) (58) Field (Int.Cl. ⁷ , DB name) G11B 17/24

Claims (3)

(57) [Claims] A magazine (3) movably provided on a chassis (2) in an apparatus main body (100) and having a plurality of disk storage spaces (31) for storing disks in an upright state;
An input / output unit that is provided outside the magazine (3) and allows the disk to pass from outside the main unit (100) to the magazine (3).
(4), a sensor means for detecting the insertion of the disk into the magazine (3) is provided on the side of the transfer path of the disk in the input / output section (4), and the sensor means is provided in a disk accommodation space. (31) Processor that stores disk presence / absence information for each
In the disk recording / reproducing apparatus connected to (200), the total disk accommodation space (31) is divided into blocks (320) each of which is a set of a predetermined number of adjacent disk accommodation spaces (31), (100) includes a display unit (300) for indicating information on the presence or absence of a disk in the magazine (3), and the display unit (300) is a block (300).
(320) includes an overall mode indicating information including at least one disk per disk, and a partial mode indicating whether or not a disk is included in all of the disk accommodation spaces (31) in the block (320). A disk recording / reproducing apparatus characterized in that an operation button (110) for switching between an entire mode and a partial mode is provided in the apparatus main body (100). 2. The display unit (300) can be turned on, and each block can be lit.
Multiple segments (310) corresponding to (320) are linked,
If there is at least one disk in each block (320) in the full mode, the corresponding segment (310) is turned on, and in the partial mode, the disk is inserted in all the disk accommodation spaces (31) in each block (320). 2. The disc recording / reproducing apparatus according to claim 1, wherein a corresponding segment (310) is made to blink when there is a. 3. A magazine (3) having a plurality of disk storage spaces (31) in which disks can be set up in the apparatus main body (100) is provided. Is a set of disk storage spaces (31)
(320), the main unit (100) is illuminated, and has a display unit (300) consisting of a plurality of segments (310) corresponding to each block (320). By operating the attached operation button (110), the entire mode and the partial mode of the apparatus main body (100) are switched. In the entire mode, if at least one disk exists in each block (320), the corresponding segment ( A disk presence / absence display method in which the corresponding segment (310) is turned on and off when the disk is present in all the disk accommodation spaces (31) in each block (320) in the partial mode in the partial mode.