JP2864671B2 - Automatic information recording medium exchange device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an information recording medium automatic exchange apparatus suitable for a karaoke apparatus for automatically exchanging a music information recording medium such as a CD.

More specifically, by sequentially taking out the designated information recording media from the plurality of stored information recording media, arranging the information recording media successively and reproducing the information, and returning the information recording media that have been reproduced sequentially to the next In addition, the replacement time of the information recording medium when reproducing a plurality of information recording media is shortened.

[Related Art] Conventionally, a karaoke apparatus or the like stores a large number of information recording media, so-called EPs, LPs, CDs, LDs, and the like. Then, the information recording medium is taken out in order to automatically and continuously reproduce the instructed (reserved) information recording medium, and thereafter, the information recording medium automatic exchange device for returning the reproduced information recording medium to its original position. (Auto changer) is provided.

This information recording medium automatic exchange apparatus is provided with an operation unit for instructing reproduction of well-known recorded information, an information recording medium instructed to be reproduced by the operation unit is disposed, for example, a rotating tray, and a plurality of information. And a storage unit for storing a recording medium. Further, a handle for taking out the designated information recording medium from the storage unit and returning it to the original position after the end of the reproduction, and reproducing the taken-out information recording medium to reproduce a reproduction signal such as an image and a performance related to the recording information. A playback device or the like for outputting is provided.

Then, a plurality of desired information recording media specified by the operation device are taken out of the tray, and thereafter, the operation of reproducing the recorded information by the mounted reproducing device and returning the information to the original position is repeated.

[Problem to be Solved by the Invention] However, the information recording medium automatic exchanging apparatus according to the above-described conventional technique takes out one information recording medium from a tray, reproduces the information recording medium with a reproducing apparatus, and returns the information recording medium to an original position. After the completion of the above, the operation of taking out a new information recording medium from the tray and performing the next reproduction is repeated. For this reason,
When a plurality of information recording media are continuously reproduced, there is a disadvantage that a large amount of time is required for exchanging the information recording media.

The present invention has been made in view of the above, and an object of the present invention is to provide an excellent information recording medium automatic exchange apparatus capable of shortening an information recording medium exchange time when reproducing a plurality of information recording media.

[Means for Solving the Problems] To solve the above problems, an information recording medium automatic exchange apparatus of the present invention stores a plurality of information recording media as shown in the claim correspondence diagram of FIG. (A), an input means (B) for designating an information recording medium to be reproduced from the plurality of information recording media, and information to be reproduced among the plurality of designated information recording media. A first arrangement area in which the recording medium is arranged, a second arrangement area in which the information recording medium being reproduced is arranged, and a third arrangement area in which the reproduced information recording medium is arranged, respectively. Based on the tray (C) formed at a position separated by the same angle and the order specified by the input means (B), during the reproduction of the information recording medium placed in the second arrangement area, information is recorded. Remove the medium from the storage section (A) and place it on the tray (C). First
Moving means (D) for returning the information recording medium, which has been placed in the storage area and has been reproduced, from the third storage area on the tray (C) to the storage section (A); and the second storage area When the reproduction of the information recording medium placed on the first arrangement area is completed, the control means (E) rotates the tray (C) by a predetermined angle in order to reproduce the information recording medium placed on the first arrangement area. ).

[Operation] In the information recording medium automatic exchanging apparatus of the present invention configured as described above, when an information recording medium to be reproduced from a plurality of information recording media is designated by the input means, the designated information recording medium is designated on the tray. A first arrangement area where an information recording medium to be reproduced is arranged, a second arrangement area where an information recording medium being reproduced is arranged, and an information recording medium on which reproduction has been completed. Are formed at positions separated by the same angle from each other in the third arrangement area, and the moving means is placed in the second arrangement area based on the order specified by the input means. During the reproduction of the information recording medium, the information recording medium is taken out of the storage section, placed on the first arrangement area in the tray, and the information recording medium that has been reproduced is stored in the storage section from the third arrangement area in the tray. Return to When the reproduction of the information recording medium placed in the second placement area is completed, the control means sets the tray at a predetermined angle in order to reproduce the information recording medium placed in the first placement area. Rotate. This shortens the time required to exchange information recording media when reproducing a plurality of information recording media.

Embodiment Next, an embodiment of the information recording medium automatic exchange apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a perspective view showing an external configuration of the embodiment, FIG. 3 is a block diagram showing an electrical configuration, and FIGS. 4 (a), (b) and (c).
(D), (e) and (f) are top views used to explain the operation, and FIG.
The figure is a flowchart according to a control operation program.

First, the configuration will be described. The example shown in FIG. 2 shows an operation unit 1 for selecting a plurality of information recording media for reproduction, in this case, a CD (compact disc) on which music information is recorded.
(Corresponding to input means), and the operation unit 1 is provided with a keyboard 1a, a liquid crystal display 1b, and the like.

In addition, five CDs are placed on each rotating plate,
There is provided a rotary storage unit 2 having a stage rotating plate and a total of 60 CDs. This rotation storage unit 2
The rotary plate of each stage has a cut-out portion up to the position of the center hole of the CD to be mounted. Further, the rotating plates of the respective stages are fixed to the rotating shaft member 2a.

Then, the keyboard of the operation unit 1 is moved from the rotation storage unit 2.
A first handle 3L having an L-shaped end m for taking out a CD designated to be reproduced in 1a, and a second handle 3R having an L-shaped end n for performing a returning operation are provided. This first
And the second handle 3L, 3R is fitted with the outer periphery of the handle shaft member 3La, 3Ra which is a tube member as easily understood from the figure, and through a slit, a screw portion is provided inside, The first and second handles 3L and 3R are moved up and down by rotation of a ball screw provided inside the handle shaft members 3La and 3Ra, and furthermore, the handle shaft members
The 3La and 3Ra are rotated simultaneously by a predetermined angle.

Further, in response to a circular rotation tray 4 on which five CDs taken out of the rotary storage unit 2 can be arranged by the first handle 3L and a CD selection signal input from the keyboard 1a of the operation unit 1, A control unit 5 for performing control relating to reproduction in the apparatus, and a reproduction device 6 such as a CD player for obtaining a reproduction signal relating to music information from a CD disposed on the rotating tray 4 are provided. The playback device 6 includes a CD rotation drive unit, a laser optical reading unit, a playback signal processing unit, and the like (not shown). Further, based on a control signal from the control unit 5, the rotating storage unit 2 and the shaft member 2a of the rotating tray 4 and the handle shaft members 3La, 3R of the first and second handles 3L, 3R.
A power unit 8 for driving the Ra up and down or rotating is provided.

Next, the electrical configuration according to the above will be described with reference to FIG.

The control unit 5 according to this example is a microprocessor (MPU)
This MPU has a ROM 5a in which a program is stored, a working RAM 5b, and a CPU 5 for performing control processing.
c, I / O for processing the input signal so that the CPU 5c can process the signal and the processing unit supplying the output signal can process the signal so that the processing can be performed.
Ports 5d and 5e are provided. And the control unit 5
A keyboard 1a, a liquid crystal display 1b, and the like are connected in the operation unit 1 for selecting and instructing a CD, and a power unit 8 is connected to the control unit 5. The power section 8 includes a 3L handle driving section 20a for driving a handle shaft member 3La on which the first handle 3L is disposed, and a 3L handle position detecting section 20b for detecting the vertical and rotational positions. Have been. Further, a 3R handle driving unit 22a for driving the handle shaft member 3RA on which the second handle 3R is provided, and a 3R handle position detecting unit 22b for detecting the vertical and rotational positions are provided. Further, a rotary storage tray drive unit 26a for driving the shaft member 2a to which the rotary tray 4 and the rotary storage unit 2 are fixedly rotated by 72 degrees, and a rotary storage tray position for detecting the rotation angle. A detection unit 26b is provided.

Further, the control unit 5 is connected to the playback device 6 and a CD rotation drive unit 28 therein.

Here, each drive unit (3L handle drive unit 20a, 3R handle drive unit 22a, rotary storage tray drive unit 26a)
For example, a PG (pulse generator) motor is used, and further, position detecting means (3L handle position detecting section 20b, 3R handle position detecting section 22b, rotary storage tray position detecting section 26b).
Constitutes the closed loop control related to the PG, and the MPU (control unit 5)
Is controlled to a predetermined position by control programmed in advance in the ROM 5a. In addition, a similar control operation can be performed by a stepping motor instead of the PG motor.

Next, the operation of the embodiment in the above configuration will be described with reference to FIG. 4 and FIG.

First, the program stored in the RAM 5b of the control unit 5 is started together with the entire operation, and in step (hereinafter, referred to as S) 100, a signal related to pressing (ON) of the reservation key a is fetched. 2, the reservation registration of the number corresponding to the CD desired to be reproduced is performed. Subsequently, in S101, it is determined whether the reservation key a has been pressed (ON). If yes, then S
Proceed to 102, and if No, proceed to S107.

In S102, the number of the CD desired to be reproduced, which is input from the keyboard 1a of the operation unit 1, is fetched from among the CDs stored in the rotation storage unit 2, and the registration of the number into the storage area of the RAM 5b is controlled by the CPU 5c. It is performed by

Subsequently, in S103, it is determined whether or not the registration key b for instructing the end of the reservation of the number of the CD desired to be played has been pressed (ON). In the case of Yes, the process proceeds to the next S104, and in the case of No, the process returns to S102, and the subsequent processing procedure (program) is performed. Further, in S104, all the CD numbers registered in the RAM 5b are read and registered in the work area.

Subsequently, in S105, the position numbers of the CDs in the rotation storage unit 2 corresponding to all the numbers of the registered CDs are read out and stored in the work area of the RAM 5b. In S106, all the CD numbers registered in the storage area of the RAM 5b are erased. Thereafter, the process returns to S100 and the subsequent processing procedure (program) is performed.

Here, in the case of No in S101, that is, the reservation key a
If is not pressed (ON) for a predetermined time, the subsequent keyboard
It is determined that there is no reservation from 1a, and it is determined in subsequent S107 whether the performance key c has been pressed (ON). If yes,
The process proceeds to the next S108, and if No, the process proceeds to S118. In S108, it is determined whether or not the playback device 6 is performing a playback operation. If Yes, return to S100. That is, the number corresponding to the CD desired to be reproduced next is fetched, and the above-mentioned processing procedure is repeated thereafter. In the case of No, the process proceeds to the next S109, in which it is determined whether or not the position number of the CD in the rotation storage unit 2 relating to the CD desired to be reproduced next in the RAM 5b is stored in the work area of the RAM 5b. You. If No, go to S112. If Yes, the next S11
Proceeding to 0, the position number of the CD in the rotation storage unit 2 is read.

Subsequently, in S111, the position number of the CD in the rotation storage unit 2 is read, and this position number is deleted from the work area of the RAM 5b. Thereafter, the process proceeds to S114.

Here, a random number is generated in S112, which proceeds when S109 is No. That is, in S109, the CD desired to be reproduced
Since the position number of the CD in the rotation storage unit 2 is not stored, the CD for performing the reproduction according to the demonstration other than the reproduction designation is selected. Subsequently, the position number of the CD corresponding to the determination is set in S113.

Further, in S114, the first CD (A) for which reproduction is instructed as shown in FIG. 4 (a) is taken out by the first handle 3L, and the zone a of the rotary tray 4 is divided into five zones.
Placed on In this case, the first handle 3L is moved to a position where the L-shaped end m of the first handle 3L is lower than the height of the CD (A) of the rotary storage unit 2 by the rotation drive of the 3L handle drive unit 20a based on the instruction of the controller 5. (Up and down). This position is the handle shaft member 3L
This is performed by rotation of the ball screw inside a. Further, this position is determined by the closed-loop control relating to the position of the 3L handle position detector 20b, that is, the position of the PG motor. At the same time, the rotary storage unit 2 rotates to the position where the first handle 3L takes out the CD (A). This rotation is performed by rotating the rotary storage tray drive unit 26a based on an instruction of the controller 5 by 72 degrees at a time, and the position related to this 72 degree rotation is a rotary storage tray position detection unit 26b, that is, It is determined by the closed loop control related to the PG motor. At the same time, the handle shaft member 3La is driven to rotate by the 3L handle drive unit 20a, and the L-shaped end m of the first handle 3L moves to the cutout portion of the rotary storage unit 2 on which the CD (A) is placed. Then, L
The character end m moves upward so as to pass through the center hole of the CD (A), and is attached to the first handle 3L of the CD (A). In this case as well, the driving is performed in the same manner as the above-mentioned vertical and rotational driving.

The CD (A) thus taken out is moved above the zone a of the rotary tray 4 by the rotation drive of the 3L handle drive unit 20a based on the instruction of the controller 5 as described above.
This movement is performed by the same rotation of the ball screw inside the handle shaft member 3La as described above. Further, this position is determined by the closed-loop control relating to the position of the 3L handle position detector 20b, that is, the position of the PG motor. And the rotating tray 4
The L-shaped end m of the first handle 3L rotates and moves downward in the notch relating to the zone a of
The CD (A) is placed in the zone a. The movement and the rotation drive here are performed in the same manner as described above.

Further, in S115, as shown in FIG. 4 (b), the rotating tray 4 is driven by the rotating storage tray driving unit 26a based on the instruction of the controller 5, whereby the shaft member 2a is rotated, and
Rotate degrees. At the same time, the first handle 3L moves away from the zone a of the rotating tray 4. And the CD (A) is on the rotating tray 4
Is mounted on the CD rotation drive unit 28 in the playback device 6 from the zone a. That is, it is separated from the rotating tray 4.
In this case, the position related to the 72-degree rotation and the rotational drive of the first handle 3L is performed by the rotational drive of the 3L handle drive unit 20a in the same manner as in (S114). In addition, the position is determined by the closed loop control relating to the position of the 3L handle position detection unit 20b, that is, the position of the PG motor. In S116,
The music recording information of the CD (A) is reproduced by a laser optical reading unit, a reproduction signal processing unit, and the like of the reproducing device 6.

During the reproduction of the CD (A), in S117, as shown in FIGS. 4 (b) and 4 (c), the CD (B) whose reproduction is instructed secondly is taken out by the first handle 3L, The rotary tray 4 is placed in the zone b among the five sections. The operation in this case is the same as S114 and S115 described above. That is, the first handle 3L is moved to a position where the L-shaped end m of the first handle 3L is lower than the height of the CD (B) of the rotary storage unit 2 by the rotation drive of the 3L handle drive unit 20a based on the instruction of the controller 5 ( Up and down). This position is performed by rotation of a ball screw inside the handle shaft member 3La. This position is determined by the closed-loop control relating to the position of the 3L handle position detection unit 20b, that is, the position of the PG motor. At the same time, the rotary storage unit 2 rotates to the position where the first handle 3L takes out the CD (B). This rotation is performed by the rotating storage tray drive 26 based on an instruction from the controller 5.
The rotation is performed by 72 degrees by the drive of a, and the position related to the 72 degree rotation is determined by the closed loop control of the rotary storage tray position detection unit 26b, that is, the PG motor. At the same time, the handle shaft member 3La is rotationally driven by the 3L handle drive unit 20a, and the L-shaped end m of the first handle 3L moves to the cutout portion of the rotary storage unit 2 on which the CD (B) is placed. Subsequently, the L-shaped end m moves upward so as to pass through the center hole of the CD (B), and the CD (B) is mounted on the first handle 3L. In this case as well, the driving is performed in the same manner as the above-mentioned vertical and rotational driving. Taken out in this way
CD (B) is 3L based on the instruction of the controller 5 as described above.
The rotary tray 4 is moved above the zone b by the rotation of the handle driving unit 20a. This movement is the handle shaft member 3La
The rotation is performed by the rotation of the ball screw inside. Further, this position is determined by the closed-loop control relating to the position of the 3L handle position detector 20b, that is, the position of the PG motor. And
The L-shaped end m of the first handle 3L rotates and moves downward in the notch relating to the zone b of the rotating tray 4, and moves downward,
The CD (B) is placed in the zone b of the rotating tray 4. The movement and the rotation drive here are performed in the same manner as described above. Further, as shown in FIG. 4D, the rotating tray 4 is rotated by 72 degrees by the driving of the rotating storage tray driving unit 26a based on the instruction of the controller 5. At the same time, the first handle 3L moves away from the zone b of the rotating tray 4. Then, the CD (B) is moved from the zone b of the rotary tray 4 to the CD rotation drive unit in the reproducing device 6.
Attached to 28. That is, it is separated from the rotating tray 4. In this case, the position related to the 72-degree rotation and the rotational drive of the first handle 3L is the same as in the above (S114), and the rotational drive of the 3L handle drive unit 20a is performed. The position is the 3L handle position detection unit 20b, that is, P
It is determined by closed loop control relating to the position of the G motor.
Here, in S118, it is determined whether or not the playback operation of the playback device 6 has ended. If No, go to S119. In the case of Yes, the process proceeds to the next S120.

Further, in S119, it is determined whether or not the performance stop key d has been pressed (ON). In the case of Yes, the stop of the playback operation of the playback device 6 is instructed by the control of the control unit 5 in S121, and furthermore,
Proceed to S100. That is, the number corresponding to the CD for which the next reproduction is desired is taken in, and the above-described processing procedure is repeated.

In S120, as shown in FIG. 4 (d), when the reproduction of the CD (A) is completed, the rotation storage tray drive unit 26a is instructed to rotate by 72 degrees, and the rotation storage unit 2 and the rotation are rotated. The tray 4 rotates, and the position related to the 72-degree rotation is determined by the closed loop control of the rotating storage tray position detection unit 26b, that is, the PG motor. The control and drive of this rotation are the same as those in S114 and S115 (FIG. 4A).

Further, in S122, as shown in FIG. 4 (d), the CD (B) moves upward from the zone a of the rotary tray 4 and is mounted on the CD rotation drive unit 28 in the playback device 6, and The music recording information of the CD (B) is reproduced in an optical reading unit or the like.

Subsequently, in S123, as shown in FIG.
CD following (B), ie, the reproduction instruction is the third CD
(C) is taken out with the first handle 3L and the rotating tray 4
In the zone c among the five sections. The arrangement of the CD (C) in the zone c of the rotating tray 4 is performed in the above-described steps S114 and S1.
This is the same as the arrangement of the CD (A) in the zone a according to 15 (FIG. 4 (a)), and the description is omitted here.

Then, in S124, the CD (A) whose reproduction has been completed is taken out from the zone a among the five sections of the rotary tray 4 with the second handle 3R as shown in FIG. Is returned to its original position. In this case, the rotation tray 4
The second handle 3R is moved (up and down) to a position where the L-shaped end n of the second handle 3R is lower than the height of the CD (A) by the rotation drive of the 3R handle drive unit 22a based on the instruction of the controller 5. This position is performed by rotation of a ball screw inside the handle shaft member 3Ra. Further, this position is determined by the closed loop control relating to the position of the 3R handle position detector 22b, that is, the position of the PG motor. At the same time, the rotating tray 4 has the first handle 3L and the CD
Rotate to the original position where (A) was taken out. This rotation is performed by rotating the rotary storage tray drive unit 26a based on an instruction from the controller 5 by 72 degrees each time. Further, the position related to the 72 degree rotation is determined by the rotary storage tray position detection unit 26a.
b, that is, determined by the closed loop control of the PG motor. At the same time, handle shaft member 3Ra is 3R handle drive 2
2a, the L-shaped end n of the second handle 3R is inserted into the notch of the rotary storage unit 2 on which the CD (A) is rotationally driven and on which the CD (A) is placed.
Moves. Subsequently, the L-shaped end n, that is, the second handle 3R moves downward so as to be detached from the center hole of the CD (A), and the CD (A) is returned to the original position of the rotary storage unit 2. Is stored.

After that, in S125, the C
It is determined whether or not the position number of the CD in the rotation storage unit 2 relating to D is stored in the work area of the RAM 5b. S1 for No
Proceed to 26. If Yes, go to S127. In S126, the process enters the standby state, returns to S100, and repeats the subsequent processing procedure.

Subsequently, in S127, the position number of the CD in the rotation storage unit 2 is further read.

In S128, the fourth CD read out in S127, that is, the reproduction instruction is taken out by the first handle 3L,
The rotating tray 4 is placed in the zone d among the five sections. The operation and the like in this case are the same as those in S114 (FIG. 4A). Further, in S129, the position number is deleted from the work area of the RAM 5b, and the process returns to S100, and the subsequent processing procedure is repeated.

In this way, during the reproduction of the CD, the CD for which reproduction is next instructed is sequentially taken out from the rotary storage unit 2 and is continuously arranged on the rotary tray 4.
Are successively returned to the original position of the rotary storage unit 2 during the reproduction of the CD, so that the time required for replacing the CD when continuously reproducing a plurality of CDs is shortened, and quick reproduction becomes possible. .

In the above embodiment, three CDs are arranged in the zones a, b, and c of the rotary tray 4 and described. However, CDs are arranged continuously in the zones a, b, c, d, and e as in the above. In the above description, a CD was used as an information recording medium. However, the present invention is not limited to this. A video tape is adopted as the information recording medium, and a video tape recorder (VTR) or the like is used as the reproducing device 6. Obtaining the same effects as described above by using them is also included in the present invention.

[Effects of the Invention] As described above, according to the automatic information recording medium exchange apparatus of the present invention, when an information recording medium to be reproduced from a plurality of information recording media is designated by the input means, the designated tray is displayed in the tray. A first arrangement area in which an information recording medium to be reproduced is arranged, a second arrangement area in which an information recording medium being reproduced is arranged, and information recording for which reproduction has been completed. Since the third placement area where the medium is placed is formed at a position separated by the same angle, the moving means is placed in the second placement area based on the order specified by the input means. During the reproduction of the information recording medium, the information recording medium is taken out of the storage unit and placed on the first arrangement area on the tray, and the information recording medium on which reproduction has been completed is removed from the third arrangement area on the tray. Can be returned to storage. Further, the control means, at the time when the reproduction of the information recording medium mounted on the second arrangement area is completed, to reproduce the information recording medium mounted on the first arrangement area,
Since the tray can be rotated by a predetermined angle, there is an advantage that the time for exchanging information recording media when reproducing a plurality of information recording media is reduced.

[Brief description of the drawings]

FIG. 1 is a diagram corresponding to claims relating to the information recording medium automatic exchange apparatus of the present invention, and FIG. 2 is a perspective view showing the external configuration of the embodiment according to the information recording medium automatic exchange apparatus of the present invention shown in FIG. 3 is a block diagram showing an electrical configuration according to FIG. 2, and FIGS. 4 (a), (b), (c), (d), (e), and (f) are diagrams of FIG.
FIG. 5 is a top view for explaining the operation of the configuration shown in FIG. 3, and FIG. 5 is a flowchart according to a program of the control operation of the configuration shown in FIG. 2 and FIG. DESCRIPTION OF SYMBOLS 1 ... operation part, 2 ... rotation storage part, 3L ... 1st handle, 3R ... 2nd handle, 3La, 3Ra ... handle shaft member, 6 ... reproduction | regeneration apparatus, 5 ... control part, 8 Power unit 20a 3L handle drive unit 20b 3L handle position detection unit 3Ra Handle shaft member 22a 3R handle drive unit 22b 3R handle position detection unit 26a Rotation storage unit drive unit, 26b ... rotation storage unit position detection unit.

Continuation of the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) G11B 17/22-17/30 G11B 15/68

Claims (1)

(57) [Claims] A storage unit for storing a plurality of information recording media; an input unit for designating an information recording medium to be reproduced from the plurality of information recording media; Of these, a first arrangement area where an information recording medium to be reproduced is arranged, a second arrangement area where an information recording medium being reproduced is arranged, and a third arrangement area where an information recording medium that has been reproduced are arranged. Information recording means for reproducing information recorded on the information recording medium placed in the second arrangement area, based on the order specified by the input means; Moving means for taking out the medium from the storage unit, placing the medium on the first arrangement area on the tray, and returning the information recording medium on which reproduction has been completed from the third arrangement area on the tray to the storage unit; Is placed on the second placement area Control means for rotating the tray by a predetermined angle in order to reproduce the information recording medium placed in the first arrangement area when the reproduction of the information recording medium is completed. Automatic recording medium exchange device.