JP2002025164A - Recording medium player utilizing changer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To shorten the waiting time required before the playback of a desired CD is started. SOLUTION: By a control part 10A, when the CD 4R (originally housed in a holder 3S) set on a disk playback part 6 is exchanged to the next desired CD 4P housed in a holder 3Q, the distance S' to the holder 3S in the clockwise from the exchanging position on a rotary stocker 1 rotating up to the standby position and the distance T' to the vacant holder 3T closest to the counterclockwise side with respect to the holder 3Q are compared, and when T'< S' (T'>=S'), a rotation part 5 is controlled to rotate the rotary stocker 1 counterclockwise until the holder 3T(3S) comes to the exchanging position, and a loading part 7 is controlled to house the CD 4R in the holder 3T(3S) from the disk playback part 6. Next, the rotary stocker 1 is rotated until the holder 3Q comes to the exchanging position, and the CD 4P is loaded on the disk playback part 6 for the playback operation from the holder 3Q, then, the rotary stocker 1 is rotated to the prescribed standby position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a changer type recording medium reproducing apparatus, and more particularly to a changer type recording medium reproducing apparatus having a recording medium storing means in which a plurality of holders for storing a recording medium on which predetermined information is recorded are arranged. The present invention relates to a changer-type recording medium reproducing apparatus such as a changer-type CD (compact disk) player and a changer-type MD (mini-disc) player for exchange and reproduction.

[0002]

2. Description of the Related Art There is a changer type CD player in which a plurality of CDs are stored in a disk storage unit, and an arbitrary CD desired by a user is loaded from the disk storage unit to a disk reproducing unit and reproduced. In this changer-type CD player, a large amount of tens to hundreds of C
In the case where the disc can be reproduced while arbitrarily replacing D, a disc storage section called a rotor lister, which is rotatable about a rotation axis and stores a large number of CDs in a holder at predetermined intervals in a circumferential direction, is provided. Used. FIG. 16 shows a configuration of a conventional changer-type CD player having a rotor lister.

[0003] In FIG. 16, 1 is a rotary stocker is rotatably configured about the axis of rotation 2 of the center, in the circumferential direction in advance at equal intervals W pieces of the holder 3 ₁ to 3 _W is provided I have. CD4 _i of one each of the holders 3 _j is (i is an integer of 1 to W) for accommodating at out freely upright posture.
Each holder 3 _j is distinguished by a unique holder number j. Here, it is assumed that 1 to W are sequentially assigned in the clockwise direction. 5 is rotating unit for rotating the rotary stocker 1 counterclockwise (CCW direction) under the control of the control unit to be described later, 6 is a disc playback unit that outputs a music signal and plays back the CD4 _i.

[0004] 7 is a loading section provided between the rotary stocker 1 and the disc reproducing unit 6, standing in any one of the holder 3 _j is just opposite position of the rotary stocker 1 (see the broken line A in FIG. 16) in that state, under the control of the control unit, which is housed in the holder 3 _j CD4
_A clamp arm (not shown) is advanced from the predetermined standby position outside the rotor wrist
4 Take out the _i while clamping it with the clamp arm, set it in the disc reproducing unit 6, then release the clamp and retract the clamp arm to a predetermined standby position to perform loading, or conversely, set it in the disc reproducing unit 6. The clamp arm is advanced from the predetermined standby position toward the CD 4 _i thus picked up, taken out while clamping with the clamp arm, and inserted into the holder 3 _j on the rotor stocker 1, and then the clamp is released to the predetermined standby position. Unloading is performed by retracting the clamp arm.

[0005] Reference numeral 8 denotes a rotation pulse generating section, and one pulse is generated each time the rotor wrister 1 rotates and an arbitrary holder 3 comes to a position facing the loading section 7 (exchange position; see a broken line A in FIG. 16). Is output. 9 is an operation unit,
It has a numeric keypad for selecting and entering a disc number,
A desired CD playback instruction operation is performed. Reference numeral 10 denotes a control unit having a microcomputer configuration, and a CD4 to be reproduced by a user.
_{When i} is instructed, the controller 5 controls the rotating unit 5 so that the rotor lister 1 is positioned such that the holder 3 _j of the holder number j in which the desired CD 4 _i is stored faces the loading unit 7 (see the broken line A in FIG. 16). Is rotated, the loading section 7 is controlled to load the desired CD 4 _i from the holder 3 _j onto the disc reproducing section 6. After accordingly, along with controlling the disc reproducing unit 6 to start playback from the beginning of the first track of the desired CD4 _i, rotating the rotary stocker 1 controls the rotation unit 5 until a predetermined standby state.

FIG. 17 to FIG. 20 are explanatory diagrams of the disk exchange operation. Hereinafter, the operation of the changer type CD player shown in FIG. 16 will be described with reference to these drawings. In FIG. 16, for convenience of explanation, W = 24, and the rotor lister 1 has the holders 3 ₁ , 3 ₇ , 3 ₁₁ , 3 ₁₉ of the holder numbers ₁ , ₇ , ₁₁ , _19, and the CDs 4 ₁ , 4 ₇ ,
Assume that 4 ₁₁ and 4 ₁₉ (subscripts are disc numbers for distinguishing individual CDs) are already stored (see FIG. 16). In addition, in the rotor lister 1, the leading holder 31 of the holder number ₁ is set at a predetermined standby position (see a broken line B in FIG. 16).
It is in a standby state by rotating until it comes to
Just the holder 3 ₃ Horudananba 3, and what comes to the replacement position, and the disk reproducing portion 6 is unloaded is CD (see the state of FIG. 16).

[0007] When it is desired to reproduce the user e.g. CD4 _11, enter the disk number 11 in the desired CD ten keys for selecting the operation unit 9. The control unit 10 stores the playback target disk number P = 11 in a work area (not shown) of the built-in memory 11, controls the rotating unit 5, and holds the holder 3 _11.
(See FIG. 17 (1)) so as to come to the exchange position (the position just opposite the loading section 7). Specifically, before the rotation, the distance from the holder at the exchange position to the holder containing the desired CD is calculated in the counterclockwise direction (CCW) as many times as the distance between the holders, and is calculated as Y times. Then, the controller 5 controls the rotating unit 5 to rotate the rotor lister 1 in the counterclockwise direction (CCW), and controls the rotating unit 5 to stop the rotation when the Y pulse is output from the rotation pulse detecting unit 8.

Next, the control unit 10 is loaded.
Controlling the part 7 to change the holder 3 ₁₁To CD4₁₁Take
And set it on the disc playback unit 6 for loading.
(See FIG. 17 (2)). After a while, the disk
Control the playback unit 6 to read the TOC information,
Stored in the TOC information storage area (not shown) of the
The disc reproducing unit 6 is controlled with reference to the TOC information, and
Search for the beginning of the first song and start playback after searching
Let it. Then, it controls the rotating unit 5 and controls the rotor lister.
-1 is rotated to a predetermined standby position for standby (see FIG. 1).
8 (1)). CD4₁₁Control section 1 during playback
0 inputs the subcode from the disc reproducing unit 6 and
Monitors the playback position and finishes playing to the end of the last song
Control the disk reproducing unit 6 to stop the reproducing operation.
You.

Here, when the user selects and inputs, for example, 7 as the disc number of the next desired CD on the operation section 9, the control section 10 first controls the rotating section 5 and the holder 3 ₁₁
Holder 3 but which is rotated until a predetermined replacement position (see FIG. 18 (2)), followed by controlling the loading unit 7, there a CD4 ₁₁ which is set in the disc reproducing unit 6 to exchange position
₁₁ for unloading (FIG. 19
(See (1)). Then, the rotating unit 5 is controlled, and the holder 3 ₇
There is rotated until a predetermined replacement position (see FIG. 19 (2)), followed by controlling the loading section 7, is set on the disc reproducing unit 6 retrieves the holder 3 ₇ CD4 ₇ of exchange position to perform loading and (See FIG. 20A). After that, the disc reproducing unit 6 is controlled and the TOC
Information is read and stored in a TOC information storage area (not shown) of the built-in memory 11, and the disc reproducing unit 6 is controlled with reference to the TOC information to search for the head position of the first music. Start playback. And the rotating part 5
Is controlled to rotate the rotor lister 1 to a predetermined standby position and put on standby (see FIG. 20 (2)). CD4 ₇
During playback of the music, the control unit 10 inputs a subcode from the disc playback unit 6 to monitor the current playback position, and when the playback is completed up to the end of the last song, the disc playback unit 6
To stop the playback operation.

[0010]

Here, CD4₁₁Play
After the end of CD4₇In order to exchange and play,
First, the CD4 set in the disc playback unit 6₁₁The rotor
Return to Wrist Stocker 1, then Holder 3₇C stored in
D4₇Must be set in the disk reproducing unit 6. B
When the data lister 1 is in a standby state (FIG. 18)
(See (1)), CD4 from the replacement position₁₁Holder for storing
3₁₁Up to 8 holders are separated from each other.
Rotate the stocker 1 counterclockwise by 8 holders
Holder 3₁₁Cannot be moved to the replacement position (FIG. 18 (2)
See also holder 3₁₁To CD4₁₁After returning
Turn the data restocker 1 counterclockwise for 20 holders.
Holder 3 if not turned₇Cannot be moved to the replacement position (Fig.
19 (2)), desired CD4 ₇Until playback starts
There was a problem of being kept waiting for a long time. The present invention has been described above.
Quickly reproduce the desired recording medium in view of the problems of the prior art
Changer type recording medium playback device
Its purpose is to provide.

[0011]

According to a first aspect of the present invention, there is provided a changer-type recording medium reproducing apparatus in which a plurality of holders for accommodating a recording medium on which predetermined information is recorded are arranged, and a recording medium. Means for moving the recording medium storage means to move the desired holder to a predetermined exchange position, and taking out the recording medium from the holder at the predetermined exchange position in the recording medium storage means. A loading means for performing loading for setting in the reproducing means and an unloading for storing a recording medium set in the reproducing means in a holder at a predetermined exchange position in a recording medium storing means; Based on the exchange command for the desired recording medium, the moving means is controlled to move a holder containing the desired recording medium to a predetermined exchange position. In changer type recording medium reproducing apparatus having a replacement control means for setting the reproducing means retrieves the desired recording medium from the one holder is in the predetermined exchange position by controlling the ring means, the exchange control means,
When an exchange command for a next desired recording medium is given in a state where a certain recording medium is set in the reproducing means, the moving means is controlled and a certain recording medium existing near the next certain desired recording medium is controlled. After moving the empty holder to the predetermined exchange position, the loading means is controlled to unload the certain recording medium set in the reproducing means to the certain empty holder, and then to the next certain desired recording. After the holder containing the medium is moved to a predetermined exchange position, the loading means is controlled so that the next desired recording medium is loaded on the reproducing means.
According to claim 1, when a certain recording medium is set in the reproducing means, when the recording medium is exchanged for the next certain desired recording medium,
The recording medium set in the reproducing means is stored in a vacant holder near the next desired recording medium in the recording medium storing means, so that each recording medium is gradually stored in the recording medium storing means. Can be collected in the department. Therefore, the amount of movement of the recording medium storage means required for the exchange of the recording medium gradually decreases, and the exchange operation can be completed in a shorter time. As a result, the waiting time until the start of reproduction of the next certain desired recording medium is gradually reduced. According to a second aspect of the present invention, there is provided a changer-type recording medium reproducing apparatus in which a plurality of holders for storing a recording medium on which predetermined information is recorded are arranged, a reproducing means for reproducing the recording medium, and a recording means. Moving means for moving the medium storage means and moving a desired holder to a predetermined exchange position, and taking out a recording medium from a holder at a predetermined exchange position among the recording medium storage means and performing loading for setting the recording medium on the reproduction means. Or
The unloading means for storing the recording medium set in the reproducing means in a holder at a predetermined exchange position among the recording medium accommodation means, and the moving means based on an exchange command to a desired recording medium. Means for moving a holder containing a desired recording medium to a predetermined exchange position, and subsequently controlling the loading means to retrieve and reproduce a desired recording medium from the certain holder at the predetermined exchange position. Exchange control means for controlling the moving means to move the head holder of the recording medium storage means to a predetermined exchange position and to make it stand by, the exchange control means comprising: When an exchange command for the next desired recording medium is given in a state where a certain recording medium is set in the reproducing means, the predetermined exchange position is And a second distance from a predetermined replacement position to a vacant second holder located near the next holder where the desired recording medium is stored. The distances are compared, and if the first distance is shorter, the moving means is controlled, the first holder is moved to a predetermined exchange position, then the loading means is controlled, and the certain recording set in the reproducing means is performed. Unloading the medium into the first holder, subsequently controlling the moving means, moving the holder containing the next certain desired recording medium to a predetermined replacement position, controlling the loading means, The next desired recording medium is loaded on the reproducing means, and when the second distance is shorter, the moving means is controlled to move the second holder to a predetermined replacement position. control Unloading the certain recording medium set in the reproducing means to the second holder, and subsequently controlling the moving means to move the holder containing the next desired recording medium to a predetermined replacement position. After the movement, the loading means is controlled so that the next desired recording medium is loaded on the reproducing means. According to claim 2,
When a certain recording medium is set in the reproducing means, when the recording medium is replaced with a next desired recording medium, a first distance from a predetermined exchange position to the first holder in which the certain recording medium is stored is set. And a second distance from a predetermined exchange position to an empty second holder near the holder in which the next certain desired recording medium is stored. If the second distance is shorter, reproduction is performed. The certain recording medium set in the means,
By storing the recording medium in a vacant holder near the next desired recording medium in the recording medium storing means, the amount of movement of the recording medium storing means required for replacing the recording medium can be reduced, and the recording medium can be replaced in a short time. The work is completed, and the waiting time until the reproduction of the next certain desired recording medium is started is reduced. In particular, when viewed over time, each recording medium gradually gathers in a part of the recording medium storage means, so that the amount of movement of the recording medium storage means required for replacing the recording medium gradually becomes smaller. Accordingly, the replacement operation is completed in a shorter time, and the waiting time until the start of reproduction of the next certain desired recording medium is gradually reduced.

[0012]

Next, one embodiment of the present invention will be described with reference to FIG. FIG. 1 is a block diagram showing a configuration of a changer type CD player according to the present invention.
The same components as those in FIG. 16 are denoted by the same reference numerals.
1 is a rotary stocker is rotatably configured about the axis of rotation 2 of the center, a large number of W-pieces of the holder 3 ₁ to 3 _W in equal intervals kept in the circumferential direction is provided. CD4 _i of one each of the holders 3 _j is (i is an integer of 1 to W) for accommodating at out freely upright posture. Each holder 3 _j is distinguished by a unique holder number j. Here, it is assumed that 1 to W are sequentially assigned in the clockwise direction. Reference numeral 5 denotes a rotating unit for rotating the rotor lister 1 in a counterclockwise direction (CCW direction) under the control of a control unit described later.
Or it outputs the music signal by reproducing the CD4 _i, is a disk playback unit for reading the subcode.

[0013] 7 is a loading section provided between the rotary stocker 1 and the disc reproducing unit 6, any one of the holder 3 _j is just opposite position of the rotary stocker 1 (exchange position. Broken line A reference to FIG. 1 ), The clamp arm (not shown) is advanced from a predetermined standby position outside the rotor wrist stocker 1 toward the CD 4 _i stored in the holder 3 _{j under} the control of the control unit, and the CD 4 _i is taken out while being clamped by the clamp arm, and is set in the disc reproducing unit 6. Thereafter, the clamp is released and the clamp arm is retracted to a predetermined standby position to perform loading, or conversely, is set in the disc reproducing unit 6. and toward the CD4 _i is advanced the clamp arm from the predetermined waiting position, it is taken out while clamped by the clamp arm, Insert the holder 3 _j located at the exchange position of the rotary stocker 1 performs unloading by retracting the clamp arm to the released predetermined standby position clamping later that accordingly.

Reference numeral 8 denotes a rotation pulse generating unit, which is rotated one time each time the rotor wrister 1 rotates and an arbitrary holder _3j comes to a position facing the loading unit 7 (replacement position; see broken line A in FIG. 1). Output pulse. 9 is an operation unit,
It has a numeric keypad for selecting and entering a disc number,
A desired CD playback instruction operation is performed. Reference numeral 10A denotes a control unit having a microcomputer configuration, and a CD to be reproduced by a user.
4 When _i is designated, the desired rotational portion 5 controls to CD4 _i
After storage has been one holder 3 _j of rotating the rotary stocker 1 to come to the exchange position, and controls the loading unit 7 is loaded the desired CD4 _i from the holder 3 _j to the disk reproducing unit 6. Thereafter, the disc playback unit 6 is controlled to start playback from the beginning of the first song of the desired CD 4 _i , and the rotation unit 5 is controlled as standby control to rotate the rotor lister 1 until a predetermined standby state is reached. .

The control unit 10A controls the disc
CD4 in raw part 6_RUser is set
According to the reproduction instruction operation of the next desired CD, the next desired C
D4 _iWhen replacing the watch on the Rotary Stocker 1
Looking around, a certain CD4 from a predetermined replacement position_RIncome
Holder (hereinafter also referred to as first holder) 3 _S
The first distance to and clockwise on the Rotary Stocker 1
In view of this, from the predetermined exchange position, the next certain desired CD4
_iHolder 3 of_jNear the holder 3_jYo
The empty holder on the counterclockwise side (hereinafter referred to as the second
(Also referred to as ruda)
When the distance is close, the rotating unit 5 is first controlled so that the second holder
Rotate the rotor sticker 1 so that it is in the replacement position.
After that, the loading unit 7 is controlled to
From the certain CD4_RTo the second holder
Let it. Thereafter, the rotating unit 5 is controlled so that the next
Desired CD4_iHolder 3 of_jIs the replacement position
After rotating the rotor sticker 1 to come to
By controlling the loading section 7, the holder 3_jFrom the next or
Desired CD4_iTo the disc playback unit 6
You. If the first distance is closer than the first distance and the second distance
If not, first control the rotating part 5 and replace the first holder.
I turned the rotor sticker 1 so that it came to the position
To control the loading unit 7 and from the disc reproducing unit 6
The certain CD4_RTo the first holder
You. Thereafter, the rotating unit 5 is controlled so that the next certain place is controlled.
Hope CD4_iHolder 3 of_jComes to the exchange position
After rotating rotor sticker 1
The holder 3 is controlled by controlling the_jTo CD4_iThe di
The disk is loaded into the disk reproducing unit 6.

As a result, the amount of rotational movement of the rotor wrister 1 required for exchanging a CD can be reduced.
The replacement work is completed in a short time, and the next desired CD4
The waiting time until the start of playback of _i becomes shorter. In addition, when viewed over time, since the CDs stored in the rotor wrist stocker 1 gradually gather in a part of the rotor wrist stocker 1, the amount of rotational movement of the rotor wrist stocker 1 required for the exchange of the CD gradually becomes smaller. , The replacement operation is completed in a shorter time, and the waiting time until the start of reproduction of the next desired CD is shortened. In the built-in memory 11A of the control unit 10A, information indicating which CD is stored in which holder of the rotor lister 1 and which CD has been loaded into the disc reproducing unit 6 are set. A disk management information storage area 12A for storing information is provided (see FIGS. 5 to 8).

FIGS. 2 to 4 show the control unit 10A.
The flowchart showing the control processing, and FIGS.
Of disk management information in the internal memory 11A of the control section 10A.
FIG. 9 is an explanatory diagram of the storage contents of the storage area 12A, and FIGS.
It is an explanatory view of the replacement operation of the
The operation of this embodiment will be described. The explanation here is
For the sake of clarity, let W = 24,
Each holder 3 of holder numbers 1, 7, 11, and 19₁,
3₇, 3₁₁, 3₁₉To CD4₁, 4 ₇, 4₁₁, 4₁₉(Attached
The characters are the disc numbers used to distinguish individual CDs.
The payment has been made and the rotor
First holder 3 of Danamba 1 ₁Is a predetermined standby position (FIG. 1)
(See broken line B).
At this time, the holder 3 of the holder number 3_ThreeBut just
Replacement position (see broken line A in FIG. 1)
It is assumed that no CD is loaded in the reproducing unit 6 (see the state of FIG. 1).
See). The disk management information storage area 12A has
As shown in 5 (1), holder numbers 1, 7, 11, 19
Disk numbers 1, 7, 11, and 19 are stored in association with
Is stored in association with another holder number.
The disc number is 0 indicating that the disc is not stored
Shall be stored in association with each holder number.
Loaded flag (1; loaded, 0; b
Is not 0)
I do.

[0018] (1) If you want to play the first regeneration user e.g. CD4 ₁₁ of CD disc number 11, the operation unit 9
The disc number 11 is input by the ten key for selecting a desired CD. The control unit 10A stores the playback target disk number P = 11 in a work area (not shown) of the internal memory 11A (steps S10 and S11 in FIG. 2) and refers to the disk management information storage area 12A of the internal memory 11A. It is checked whether the disk number 11 is stored in association with any one of the holder numbers, in other words, whether the CD of the disk number 11 is stored in the rotor lister 1 (step S12). Therefore, it is determined as YES, and the holder number of the holder storing the CD of the disk number 11 is set to Q (step S13). Q = 11. Next, with reference to the disk management information storage area 12A, whether there is a certain disk number R whose loading completion flag is 1 or in other words, the CD of an arbitrary certain disk number R is stored in the disk reproducing unit 6. It is checked whether it has been set (step S14). Here So NO, the process proceeds to FIG. 3, controls the rotation unit 5, the holder 3 ₁₁ rotates to move to come to exchange position (see the broken line A in position. Figure 1 just opposite to the loading portion 7) (step S30 (See FIG. 17 (1)). Specifically, from the holder at the exchange position before rotation to the holder containing the desired CD, the counterclockwise direction (CC
In W), how many times the distance between the holders is calculated is calculated as Y times. Then, the control unit controls the rotating unit 5, and controls the rotor lister 1.
Is rotated in the counterclockwise direction (CCW), and when the Y pulses are output from the rotation pulse detection unit 8, the rotation unit 5 is controlled to stop the rotation.

Next, with the control unit 10A controls the loading unit 7, thereby to set the disk reproducing unit 6 retrieves the holder 3 ₁₁ from CD4 ₁₁ exchange position to perform loading, the disc management information storage area 12A
Among them, the loaded flag associated with the holder number 11 is set to 1 (steps S31 and S32; FIG. 17).
(2), see FIG. 5 (2)). Thereafter, the control unit controls the disk reproducing unit 6 to read the TOC information, and
1A is stored in the TOC information storage area (not shown), the disc reproducing unit 6 is controlled with reference to the TOC information, and the head position of the first music is searched, and after the search, the reproduction is started (step S33). , S34). Then, the controller 5 controls the rotating unit 5 to rotate the rotor wrist stocker 1 to a predetermined standby position to stand by (step S35; see FIG. 18A). CD4 in ₁₁ playback, the control unit 10A monitors the current playback position by entering the subcode from the disk reproducing unit 6, if the finished play to the end of the last track to control disk reproducing unit 6 play Stop the operation (Fig. 2
YES in step S15, S16, S17).

(2) First Reproduction of CD with Disc Number 7 When the user selects and inputs, for example, 7 as the disc number of the next desired CD on the operation unit 9, the control unit 10A sets the disc number P = 7 is stored in a work area (not shown) of the built-in memory 11A (steps S10 and S11 in FIG. 2), and the CD of the disc number 7 is stored in the rotor lister 1 with reference to the disc management information storage area 12A of the built-in memory 11A. Is checked (step S12), it is determined to be YES because it is stored in the holder number 7, and the holder number of the holder storing the CD of the disk number 7 is set to Q (step S13). Q = 7. Next, with reference to the disk management information storage area 12A, it is checked whether a CD having an arbitrary disk number R has been set in the disk reproducing unit 6 (step S14). Here, it is YES and R = 11. Next, it is checked whether R = P (= 7) (step S).
18). If YES, it is checked whether or not the CD is currently being reproduced by the disc reproducing unit 6 (step S19). If YES here, the current CD selection operation is ignored and the process returns to step S10. NO
If so, the head position of the first music is searched, and after the search, the reproduction is restarted (step S20).

In this case, however, since the answer is NO in step S18, the control unit 10A internally generates a disk exchange command from the disk number P to R to perform the disk exchange control. First currently checked during reproduction of the disk reproducing unit 6 CD4 _R (step S21), and if YES, the
The disc reproduction unit 6 is controlled to stop the reproduction of the CD (step S22). However, since it is NO here, the disc number R = 1 with reference to the disc management information storage area 12A.
The holder number associated with 1 is set to S (step S23). S = 11. Next, the process proceeds to the flow in FIG. 4, by referring to the disc management information storage area 12A, as viewed clockwise on the rotary stocker 1, from the holder 3 ₃ at the exchange position to the holder 3 _Q-1 = 6 Holder 3 inside
Free holder of _non-S is there or not to check (step S
40). Judges YES because holder 3 _{3-3 6} corresponds, as viewed clockwise on the rotary stocker 1, free of non-holder 3 _S present in from holder 3 ₃ to the holder 3 _Q-1 = 6 Among the holders, the holder number of the holder (second holder) closest to the holder 3 _Q = 3 ₇ is set to T (step S41). T = 6. Then, as seen in the clockwise on the rotary stocker 1, and T'seeking second distance from the holder 3 ₃ to the holder 3 _T = 3 ₆ (step S42). Assuming that the holder interval is H, T ′ = 3H
Becomes Next, looking clockwise on the rotor stocker 1, the holder 3 ₃ to the holder 3 _S (first holder) = 3 ₁₁
The first distance up to is determined as S ′ (step S4
3). Assuming that the holder interval is H, S ′ = 8H.

[0022] Incidentally, if Wakashi NO in step S40, since the person who returned the CD4 _R to the holder 3 _S not applied time, controls the rotation unit 5, come rotary stocker 1 to the holder 3 _S exchange position until it rotated to control the loading unit 7, the holder of the CD4 _R from the disc reproducing unit 6 3
_S , and clears the loaded flag stored in the disk management information storage area 12A in association with the holder number S to 0 (steps S44 to S46), proceeds to step S30 of FIG. 3, and proceeds to step S30 of FIG. 3 have been the next desired CD4 _P accommodated in _Q in the disc reproducing unit 6 to start the playback (step S31 to S35).

Here, YES is determined in the step S40, T = 6 in the processing of S41, and T '= 3 in the processing of S42.
H, S ′ = 8H in the processing of S43, and subsequently T
Is checked (step S47). If NO, the disk playback unit 6 is viewed clockwise from the replacement position.
The holder 3 is CD4 _R which is currently set was originally housed _S towards the (first holder) is next desired CD4 _P level of included holder 3 _Q empty holder 3 in the vicinity of the _T (second holder ) from nearby, because the person who returned the CD4 _R to the holder 3 _S not applied time, controls the rotation unit 5 rotates the rotary stocker 1 to the holder 3 _S comes to the replacement position, controls the loading section 7 And a disk reproducing unit 6
The CD4 _R returned to the holder 3 _S, it clears the loading completion flag stored in association with Horudananba S in the disc management information storage area 12A and 0 (step S
44～S46), the process proceeds to step S30 in FIG. 3, the desired CD4 _P follows housed in the holder 3 _Q in the same manner as described above in the disc reproducing unit 6 to start the playback (step S31 to S35).

[0024] However, since this case is YES in step S47, the first controls the rotation unit 5, the holder 3 _T = 3 ₆ rotates only counterclockwise T'= 3H minute until a predetermined exchange position ( step S48. see Fig. 9 (1)), followed by controlling the loading unit 7, thereby to housed in the holder 3 ₆ located the CD4 ₁₁ which is set in the disc reproducing unit 6 to exchange position to perform unloading (step S49, see FIG. 9 (2)). Then, the disk management information storage area 1
2A, the disk number associated with the holder number S = 11 and the loaded flag are cleared, and the disk number associated with the holder number T = 6 is R = 1.
The loading completion flag is cleared (steps S50 and S51; see FIG. 6A). And FIG.
Controls the rotation unit 5 proceeds to the flow, is rotated to the next desired holder 3 _Q = 3 ₇ accommodated in the CD until a predetermined exchange position (S'-T') = 1H min a counterclockwise direction (step S30. see FIG. 10 (1)), followed by controlling the loading section 7, from the holder 3 ₇ by setting the disk reproducing unit 6 retrieves the next desired CD4 ₇ to perform the loading (step S31. FIG. 10 (See (2)). Then, in the disk management information storage area 12A, the loaded flag associated with the holder number Q = 7 is set to 1 (step S32; see FIG. 6 (2)), and the disk reproducing unit 6 is controlled to read the TOC information. And built-in memory 1
1A is stored in the TOC information storage area (not shown), the disc reproducing unit 6 is controlled with reference to the TOC information, and the head position of the first music is searched, and after the search, the reproduction is started (step S33). , S34).

[0025] C taken out of the way, the holder 3 ₁₁
With D4 ₁₁ set in the disc playback unit 6,
When the holder 3 ₇ CD4 ₇ housed in the Horudananba 7 as the next desired CD is selected, the holder spacing with respect to the rotary stocker 1 as H, 3H + 1H = 4H
Is rotated by the amount, moved from CD4 ₁₁ can exchange into CD4 _7, (the distance moved to the replacement position first holder 3 ₁₁₎ in the conventional example of FIG. 16 8H + 20H (then the holder 3 ₇ to exchange position compared to the distance) = 28H amount corresponding as was necessary to move, since the much shorter time exchange of CD is completed, requires only a short waiting time until start of reproduction of the next desired CD4 _7. After step S34, the control unit 10A controls the rotation unit 5 to rotate the rotor wrist stocker 1 to a predetermined standby position and wait (see FIG. 11).
(See (1)). During playback of CD4 _7, the control unit 10
A monitors the current playback position by inputting a subcode from the disk playback unit 6 and controls the disk playback unit 6 to stop the playback operation when playback to the end of the last music has been completed (see FIG. 2). Steps S15 to S17).

(3) Reproduction of CD of Disc Number 19 When the user subsequently selects and inputs, for example, 19 as the disc number of the next desired CD on the operation unit 9, the control unit 10A incorporates the disc number P = 19 to be reproduced. It is stored in the work area of the memory 11A (step S1 in FIG. 2).
0, S11), referring to the disk management information storage area 12A of the built-in memory 11A, it is checked whether a CD of the disk number 19 is stored in the rotor lister 1 (step S12), and YES is stored in the holder number 19 because it is stored. Is determined, and the holder number of the holder storing the CD of the disk number 19 is set to Q (step S13). Q = 19. Next, with reference to the disk management information storage area 12A, it is checked whether a CD having an arbitrary disk number R has been set in the disk reproducing unit 6 (step S14). YES, R = 7, so P
= 7 is checked (step S18).

Since it is NO, the control unit 10A internally generates a disk exchange command from the disk number P to R to perform disk exchange control. First, it is checked whether or not the CD is currently being reproduced by the disc reproducing unit 6 (step S21), and since it is NO, the disc number is referred to the disc management information storage area 12A and the holder number associated with the disc number R = 7 is set to S.
(Step S23). S = 7. Next, the process proceeds to the flow in FIG. 4, by referring to the disc management information storage area 12A, as viewed clockwise on the rotary stocker 1, the holder 3 ₃ at the exchange position to the holder 3 _Q-1 = 3 ₁₈ free holder other than the holder 3 _S is present or not to check in (step S40). Judges YES because holder ₃ 3-3 _5, 3 _{8-3 18} corresponds, as viewed clockwise on the rotary stocker 1, the holder 3 _S present in up to the holder 3 _Q-1 = 3 ₁₈ among the free holders other than, most, the Horudananba holder (second holder) close to the holder 3 _Q = 3 ₁₉ and T (step S41). T = 18. Then, when viewed from the holder 3 ₃ clockwise and T'seeking second distance to the holder 3 _T = 3 ₁₈ (step S42).
T ′ = 15H. Then, the holder 3 _S (first holder) as viewed from the holder 3 ₃ clockwise = 3 seeking first distance to _7, S'(step S43). S ′ = 4H.

Subsequently, it is checked whether T '<S' (step S47), and since it is NO this time, when viewed clockwise from the exchange position, the CD4 currently set in the disc reproducing unit 6 is set.
_R = 4 ₇ is originally towards the holder 3 _S = 3 ₇ which is housed, next desired CD4 _P = 4 ₁₉ housed in that the holder 3 of
_Q = 3 ₁₉ There nearer than the free holder 3 _T = 3 ₁₈ in the vicinity of, the CD4 _R = 4 ₇ a holder 3 _S = Write back to 3 ₇ is not applied time, controls the rotation unit 5, rotary Stocker 1 is rotated counterclockwise until the holder 3 _S = 3 ₇ comes to the exchange position (step S44; see FIG. 11 (2)), the loading section 7 is controlled, and the CD4 _R = 4 ₇ is read from the disc reproducing section 6. returned to the holder 3 ₇ clears the loading completion flag stored in association with the disc management information storage area 12A in Horudananba S to 0 (step S45, S46. FIG. 12 (1), 6 (1) see ).

[0029] Then, by controlling the rotation unit 5 proceeds to the flow in FIG. 3, so the holder 3 _Q = 3 ₁₉ which is accommodated in the next desired CD is rotated in a counterclockwise direction until a predetermined exchange position (step S30. see FIG. 12 (2)), followed by controlling the loading section 7, from the holder 3 ₁₉ by set in the disc reproducing unit 6 retrieves the next desired CD4 ₁₉ to perform loading (step S31. FIG. 13 (1) see ). And
Holder number Q in the disk management information storage area 12A
The loaded flag associated with = 19 is set to 1 (step S32; see FIG. 7A), and reproduction is started (steps S33 and S34). After step S34, the control unit 10A controls the rotating unit 5 to rotate the rotor wrist stocker 1 to a predetermined standby position and wait (see FIG. 13 (2)).

[0030] (4) In the middle of reproduction of the second reproduction CD4 ₁₉ of CD disc number 11, when the user 11 who listened to previously as the disk number of the next desired CD was again selected input operation section 9, a control The unit 10A stores the playback target disk number P = 11 in a work area (not shown) of the internal memory 11A (steps S10 and S10 in FIG. 2).
11) Referring to the disk management information storage area 12A of the internal memory 11A, it is checked whether the CD of the disk number 11 is stored in the rotor lister 1 (step S12).
S is determined, and the holder number of the holder storing the CD of the disk number 11 is set to Q (step S13).
Q = 6. Next, the disk management information storage area 12A
, It is checked whether a CD having an arbitrary disc number R has been set in the disc reproducing unit 6 (step S1).
4). Here, YES and R = 19, so P = 1
9 is checked (step S18).

Since it is NO, the control unit 10A internally generates a disk exchange command from the disk number P to R to perform disk exchange control. First, the current disc playback unit 6
To check if the CD is being played (step S21), and
Since it is S, the disk reproduction unit 6 is controlled to stop reproduction of the CD (step S22). Next, with reference to the disk management information storage area 12A, the holder number associated with the disk number R = 19 is set to S (step S).
23). S = 19. Next, the process proceeds to the flow in FIG. 4, by referring to the disc management information storage area 12A, as viewed clockwise on the rotary stocker 1, from the holder 3 ₃ at the exchange position to the holder 3 _Q-1 = 5 free holder other than the holder 3 _S is present or not to check in (step S4
0). Judges YES because holder 3 _{3-3 5} corresponds, as viewed clockwise on the rotary stocker 1, present in from holder 3 ₃ at the exchange position to the holder 3 _Q-1 = 3 ₅ among the free holders other than the holder 3 _S, most, the Horudananba holder (second holder) close to the holder 3 _Q = 3 ₆ and T (step S41). T = 5. Then, the holder 3 _T = 3 ₅ as viewed from the holder 3 ₃ clockwise
The second distance up to is determined as T ′ (step S4
2). Assuming that the holder interval is H, T ′ = 2H. Then, the holder 3 _S (first holder) as viewed from the holder 3 ₃ clockwise = 3 seeking first distance to _6, S'(step S43). If the holder interval is H, S ′ = 3H.

[0032] Subsequently, T'<S'or checked (step S47), YES because, first controls the rotation unit 5, T'holder 3 _T = 3 ₅ until coming to a predetermined exchange position = 2H
Rotate counterclockwise by a minute (step S48; FIG. 14).
(1)), the subsequently controls the loading section 7, is housed in the holder ₃₅ located a CD4 ₁₉ which is set in the disc reproducing unit 6 to exchange position to perform unloading (step S49. FIG. 14 ( 2)). Then, in the disk management information storage area 12A, the holder number S = 1
Clear the disk number and the loaded flag associated with No. 9, set the disk number associated with the holder number T = 5 to R = 19, and clear the loaded flag (steps S50 and S51; FIG. 7).
(See (2)). Then, by controlling the rotation unit 5 proceeds to the flow in FIG. 3, to the holder 3 _Q = 3 ₆ accommodated in the next desired CD comes to a predetermined exchange position (S'-T') = 1H amount corresponding counterclockwise (Step S30, FIG. 15A).
See), then controls the loading unit 7, the holder 3 ₆
By setting the disk reproducing unit 6 retrieves the next desired CD4 ₁₁ to perform loading from (step S31.
FIG. 15 (2)). Then, in the disk management information storage area 12A, the loaded flag associated with the holder number Q = 6 is set to 1 (step S32; see FIG. 8), the disk reproducing unit 6 is controlled to read the TOC information, and It is stored in a TOC information storage area (not shown) of the memory 11A, controls the disk reproducing unit 6 by referring to the TOC information, searches for the head position of the first music, starts reproduction after the search (step S33, S34).

As described above, the holder 3₁₉C taken from
D4₁₉Is set in the disc playback unit 6,
Holder 3 of holder number 6 as the next desired CD₆Stored in
CD4₁₁When is selected, CD4₁₁Is the first
After playback, the holder 3 that was stored until then₁₁Interchange from
Holder 3 near replacement position₆Has been transferred to
And CD4₁₉To the next desired CD4₁₁Holder of
3₆3 in the vicinity of _FiveTo return to the rotor
Rotate by 2H + 1H = 3H for lister 1
If you do, CD4₁₉To CD4₁₁Can be exchanged for Figure
In the conventional example of No. 16, 16H (the holder 3₁₉To exchange position
Moving distance) + 16H (Holder 3 ₁₁To exchange position
(Moving distance) = It was necessary to move by 32H
Exchange of CD is completed in much shorter time compared to
So the next desired CD4₁₁Waiting time before starting playback
I just need to. After step S34, the control unit 10
A controls the rotating unit 5 and moves the rotor
Rotate to the standby position and wait. CD4₁₁Play
During the middle, the control unit 10A
Enter a code to monitor the current playback position, and
When playback is completed to the end, control the disc playback unit 6.
The control reproduction operation is stopped (steps S15 to S in FIG. 2).
17).

According to this embodiment, in a state where one CD4 _R to the disc reproducing unit 6 is set, when replacing the next one desired CD4 _P, viewed clockwise on the rotary stocker 1 Te, when one or a plurality of empty holders during the predetermined exchange position to the holder 3 _Q-1 of one exchange position nearer than the holder 3 _Q housed in the next one desired CD4 _P is present, Of the empty holders, the first holder 3
The one closer to _Q is the second holder, the holder number of the second holder is T, and the certain CD in the rotor lister 1 is
4 _R housed holder was first holder, the Horudananba the first holder and S, as seen in the clockwise on the rotary stocker 1, the first distance S'from a predetermined exchange position to the first holder And the second holder 3 _T from the predetermined replacement position.
Comparing the second distance T'to the case towards the second distance T'is short, the certain CD4 _R set in the disk reproducing unit 6, housed in the second holder 3 _T of the rotary stocker 1 By doing so, it becomes possible to reduce the amount of rotational movement of the rotor wrist stocker 1 required for CD exchange.
The replacement work is completed in a short time, and the next desired CD4
The waiting time until the start of playback of _P becomes shorter. In particular, when viewed over time, the respective CDs stored in the rotor stocker 1 gradually gather in a part of the rotor stocker 1, so that the rotational movement amount of the rotor stocker 1 required for the exchange of the CD gradually becomes smaller. As a result, the replacement operation is completed in a shorter time, and the waiting time until the reproduction of the next certain desired CD is started is shortened.

In the above-described embodiment, the case where the rotor lister has a storage capacity of 24 CDs has been described. However, the present invention can be similarly applied to a case where the rotor lister has less or more than 24 CDs. Further, in the above-described embodiment, a CD has been described as an example of a recording medium, but the present invention is not limited to this, and other recording media such as an MD (mini disc) and a DVD (digital versatile disc) may be used. The same applies to any type of recording medium.

[0036]

According to the present invention, when a certain recording medium is set in the reproducing means, when the recording medium is exchanged for the next desired recording medium, the certain recording medium set in the reproducing means is replaced. Is stored in a vacant holder near the next certain desired recording medium in the recording medium storage means, whereby each recording medium can be gradually collected in a part of the recording medium storage means. Therefore, the moving amount of the recording medium storage means required for the exchange of the recording medium gradually becomes small, the exchange operation is completed in a short time, and the waiting time until the start of the reproduction of the next certain recording medium is shortened. It is becoming.

[Brief description of the drawings]

FIG. 1 is a block diagram of a changer-type CD player according to one embodiment of the present invention.

FIG. 2 is a flowchart illustrating a control process of a control unit in FIG. 1;

FIG. 3 is a flowchart illustrating a control process of a control unit in FIG. 1;

FIG. 4 is a flowchart showing a control process of a control unit in FIG. 1;

5 is an explanatory diagram of storage contents of a disk management information storage area provided in a built-in memory of FIG. 1;

6 is an explanatory diagram of storage contents of a disk management information storage area provided in a built-in memory of FIG. 1;

7 is an explanatory diagram of storage contents of a disk management information storage area provided in a built-in memory of FIG. 1;

8 is an explanatory diagram of storage contents of a disk management information storage area provided in a built-in memory of FIG. 1;

FIG. 9 is an explanatory diagram of a disk exchange operation.

FIG. 10 is an explanatory diagram of a disk exchange operation.

FIG. 11 is an explanatory diagram of a disk exchange operation.

FIG. 12 is an explanatory diagram of a disk exchange operation.

FIG. 13 is an explanatory diagram of a disk exchange operation.

FIG. 14 is an explanatory diagram of a disk replacement operation.

FIG. 15 is an explanatory diagram of a disk replacement operation.

FIG. 16 is a block diagram showing a configuration of a conventional changer type CD player.

FIG. 17 is an explanatory diagram of a disk exchange operation.

FIG. 18 is an explanatory diagram of a disk exchange operation.

FIG. 19 is an explanatory diagram of a disk exchange operation.

FIG. 20 is an explanatory diagram of a disk replacement operation.

[Explanation of symbols]

REFERENCE SIGNS LIST ₁ rotor lister 3 _{1 to} 3 ₂₄ holder 4 ₁ , 4 ₇ , 4 ₁₁ , 4 ₁₉ CD 5 rotating section 6 disc playback section 7 loading section 9 operation section 10 A control section 11 A internal memory 12 A disk management information storage area

Claims (2)

[Claims] 1. A recording medium storage means in which a number of holders for storing a recording medium on which predetermined information is recorded, a reproducing means for reproducing a recording medium, and a recording medium storage means are moved, and a desired holder is moved. A moving unit that moves to a predetermined exchange position, and a recording medium that is taken out of a holder that is located at the predetermined exchange position in the recording medium storage unit and is loaded in the reproduction unit, or a recording medium that is set in the reproduction unit. Among the recording medium storage means, a loading means for performing unloading for storing the data in a holder at a predetermined exchange position, and a moving means based on an exchange command for a desired recording medium to control the movement of the desired recording medium. The stored certain holder is moved to a predetermined exchange position, and then the loading means is controlled to transfer a desired recording medium from the certain holder at the predetermined exchange position. A changer-type recording medium reproducing apparatus comprising: an exchange control means for setting the take-out / reproduction means; and wherein the exchange control means exchanges a certain desired recording medium with a certain recording medium set in the reproduction means. When a command is given, the moving means is controlled, a certain empty holder near the next desired recording medium is moved to a predetermined replacement position, and then the loading means is controlled and set in the reproducing means. After unloading the certain recording medium into the certain empty holder, and subsequently moving the holder containing the next certain desired recording medium to a predetermined replacement position,
A changer-type recording medium reproducing apparatus, wherein the loading means is controlled to load the next desired recording medium to the reproducing means. 2. A recording medium storage means in which a number of holders for storing a recording medium on which predetermined information is recorded, a reproducing means for reproducing a recording medium, and a recording medium storing means are moved, and a desired holder is moved. A moving unit that moves to a predetermined exchange position, and a recording medium that is taken out of a holder that is located at the predetermined exchange position in the recording medium storage unit and is loaded in the reproduction unit, or a recording medium that is set in the reproduction unit. Among the recording medium storage means, a loading means for performing unloading for storing the data in a holder at a predetermined exchange position, and a moving means based on an exchange command for a desired recording medium to control the movement of the desired recording medium. The stored certain holder is moved to a predetermined exchange position, and then the loading means is controlled to transfer a desired recording medium from the certain holder at the predetermined exchange position. Exchange control means for setting the take-out / reproduction means, and controlling the movement means to move the head holder of the recording medium storage means to a predetermined exchange position and wait for the exchange. The means, when a replacement command for a next desired recording medium is given in a state in which a certain recording medium is set in the reproducing means, from a predetermined replacement position on the recording medium storage means, and A first distance to the first holder that has been stored, and a predetermined replacement position on the recording medium storage means to a vacant second holder that is present near the holder that stores the next certain desired recording medium. Compare the second distance of
If the distance is shorter, the moving means is controlled, the first holder is moved to a predetermined exchange position, then the loading means is controlled, and the certain recording medium set in the reproducing means is unloaded into the first holder. After the loading, the moving means is controlled, and the holder containing the next certain desired recording medium is moved to a predetermined exchange position. After that, the loading means is controlled, and the next certain desired recording medium is controlled. When the second distance is shorter, the moving means is controlled, the second holder is moved to a predetermined replacement position, and then the loading means is controlled and set in the reproducing means. Then, the certain recording medium is unloaded into the second holder, and subsequently, the moving means is controlled to move the holder containing the next desired recording medium to a predetermined replacement position. Controls the loading means, it has to be loaded to the reproduction means the next one desired recording medium, changer type recording medium reproducing apparatus according to claim.