JPH10116462A - Recording and/or reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a recording and reproducing device to continue normal operation even though another recording medium is inserted anew to the housing position of a recording medium in the process of access. SOLUTION: The existence of a disk cartridge in each housing position P1 , P2 , P3 , P4 and P5 of a stoker 2 is detected by a cartridge detecting part 3. By a transportation part 4, a desired disk cartridge is taken out from the stocker 2 and loaded to the recording and/or reproducing part 20 and also the desired disk cartridge is taken out from the recording and/or reproducing part 20 and transported to the stocker 2. In the case the disk cartridge in the process of access in the recording and/or reproducing part 20 is returned to the stocker 2, when a signal detecting the existence of other disk cartridge in the originally housed position is outputted by the cartridge detecting part 3, the disk cartridge in the process of access is returned to the housing position in the stocker 2, where no medium is detected by the cartridge detecting part 3, by a system control circuit 40.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of selecting one recording medium from storage means in which a plurality of recording media on which information signals such as tone signals are recorded or recorded are stored in a plurality of storage positions. The present invention relates to a recording and / or reproducing apparatus for recording and / or reproducing an information signal on a recorded recording medium.

[0002]

2. Description of the Related Art Conventionally, a plurality of disk cartridges storing a disk on which information signals such as tone signals or the like are recorded or stored are stored in advance in a disk cartridge storage section. Disc recording function for reproducing an information signal such as a tone signal recorded on a disc housed in the disc cartridge or for recording an information signal such as a tone signal on the disc. as well as/
Alternatively, a playback device is used.

[0003]

In the disk recording and / or reproducing apparatus, once the storage position of each disk cartridge in the disk cartridge storage section is set once, it cannot be changed unless it is newly set.

Therefore, if the user erroneously inserts another new disk cartridge into the storage position of the disk cartridge being recorded and / or reproduced (accessed), the user accesses the disk cartridge being accessed after the access is completed. It is not possible to return to the storage position, and normal operations such as continuous reproduction and continuous recording are interrupted, so that recording and / or reproduction while storing a plurality of disk cartridges is advantageous. I couldn't make the most of it.

[0005] The present invention has been made in view of the above circumstances, and enables recording and / or recording to continue normal operation even when another recording medium is newly inserted into the storage position of a recording medium being accessed. It is intended to provide a playback device.

[0006]

According to the present invention, in order to solve the above-mentioned problems, a detection signal indicating that another recording medium is present at a storage position of a recording medium being accessed by recording and / or reproducing means is provided. When received from the detection means, the control means returns the accessed recording medium to the storage position where the medium detection means has detected the absence of the medium in the storage means.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a recording and / or reproducing apparatus according to the present invention will be described below with reference to the drawings.

This embodiment relates to a disk recording and / or reproducing apparatus, in which a disk cartridge containing a disk in a cartridge body is used as a recording medium, and a desired disk cartridge selected from a stocker containing a plurality of the disk cartridges is used. The recording and / or reproduction of the information signal is performed on the disc stored in the storage device.

[0009] That is, the disc recording and / or reproducing apparatus, as shown in FIG. 1, for example up to five of the disk cartridge 1 _1, 1 _2, 1 _3, 1 ₄ and 1 ₅ 5 places storage position Stockers 2 stored in P ₁ , P ₂ , P _3, P ₄ and P ₅ , respectively, and storage positions P ₁ ,
A cartridge detector 3 for detecting the presence or absence of a disk cartridge at P ₂ , P _3, P ₄ and P ₅ using detectors 3 ₁ , 3 ₂ , 3 _3, 3 ₄ and 3 _{5 ,} respectively _, and a cartridge 3 stored in the stocker 2. 5 disc cartridge ₁ 1, 1 _2, 1 _3, 1 ₄
And of 1 _5, the recording and / or reproducing an information signal on the disk cartridge by the user desired (hereinafter, especially that except access if Yosu distinction.) And the recording and / or reproducing unit 20 for performing, stocker 2, the desired disk cartridge is taken out from the recording and / or reproducing unit 20.
And the transport unit 4 for taking out the desired disk cartridge from the recording and / or reproducing unit 20 and transporting the disk cartridge to the stocker 2, and the disk cartridge being accessed by the recording and / or reproducing unit 20 to the stocker 2. When returning, when the cartridge detection unit 3 outputs a detection signal indicating that the disk cartridge is present at the original storage position, the disk cartridge being accessed to the storage position in the stocker 2 where the cartridge detection unit 3 has detected the absence of a medium. And a system control circuit 40 for returning the

[0010] each of the storage position P ₁ of the stocker _{2, P 2, P 3,} P
₄ and P ₅ are the five disk cartridges ₁₁ ,
1 _2, 1 _3, 1 ₄ and 1 ₅ are arranged so as stacked so suited to the same direction.

The cartridge detecting section 3 detects the presence or absence of a disk cartridge stored in each of the storage positions P ₁ , P ₂ , P _3, P ₄ and P ₅ by each of the detectors 3 ₁ , 3 ₂ , 3 _3, 3 _4. and at 3 _5, detected using a mechanical switch.

The transport section 4 has a slider 4a for pulling out the desired disk cartridge from the storage position and pulling it into the storage position, and an elevator 4b which holds the desired disk cartridge together with the slider 4a and moves up and down. ing. The slider 4a is moved in the directions of arrows L and R by a slider moving motor (M ₁ ) 5 via a gear mechanism (not shown). Also, elevator 4b
Is an elevator moving motor (M) via a gear (not shown) meshing with a rack gear formed at one end of the rack plate 7.
₂ ) Move in the directions of arrows U and D according to 6.

A slider 4 is provided in the elevator 4b.
A slider retraction position detection switch (SW) for detecting the retraction of a into the stocker 2 is provided, and an ON signal is output to the system control circuit 40 to notify that the slider 4a is positioned on the stocker 2 side. Also,
The elevator 4b is also provided with a slider pull-out position detection SW9 for detecting pull-out of the slider 4a to the recording and / or reproducing section 20 side, and outputs an ON signal to the system control circuit 40 to perform recording and / or reproduction. Part 2
It informs that the slider 4a is located on the 0 side.

The position of the elevator 4b is detected by an elevator position detection SW10. The elevator position detection SW 10 detects the position of the elevator 4b by a change in light that passes through slits formed in the rack plate 7 and reaches, for example, two light receiving elements. The detection signal is supplied to the system control circuit 40.

The elevator 4b records and / or reproduces the slider 4a when a desired disk cartridge is being accessed by the recording and / or reproducing unit 20 or when the access of the apparatus is normally stopped. Part 20 side,
Alternatively, it moves to the stocker 2 side and is at the lowest position called the home position. The home position SW detects that the elevator 4b is at this home position.
11, and outputs a detection signal to the system control circuit 40.

The recording and / or reproducing unit 20 includes a slider 4
an optical head 21 for chucking when the elevator 4b is lowered to the home position in a state where the disk cartridge is pulled out and the disk rotated by the spindle motor 25 for reproducing or recording laser light; When a laser beam for recording is irradiated from the optical head 21, a magnetic field modulation head 22 that modulates a magnetic field at the irradiation position and a detection signal obtained by a photodetector of the optical head 21 are operated to calculate the detection signal on the disk. The servo circuit 26 which performs focus servo or tracking servo by moving the position of the irradiation spot in the optical axis direction or the radial direction of the disc and performs servo processing of the spindle motor 25 and the like, and the photodetector. The information signal recorded on the disc is decoded and output using the detection signal. While derived from the terminal 28, and supplies the encoded information signal input from the input terminal 29 to the magnetic field modulation head 22 encoder & decoder 27
And recording and / or
Alternatively, a recording / reproducing control circuit 30 for controlling the entire reproducing section 20
And a RAM 31 for holding user management information of the disk and for holding audio data. Here, the magnetic field modulation head 22 is held in a state of being vertically rotated from above the disk by a rotation mechanism 23 driven by a rotation motor (M ₃ ) 24 except during recording.

The reproduction process of the information signal by the recording and / or reproducing section 20 will be described. First, when the desired disk is chucked on the disk table and the objective lens of the optical head 21 is moved to a position close to the disk by a thread motor (not shown), the spindle motor 25 starts driving, and the disk is Rotate.

At this time, the optical head 21 irradiates the target track of the disk with laser light via the objective lens, and obtains an output signal from the reflected light by a detector. The output signal of the optical head 21 is supplied to a servo circuit 26 and an encoder & decoder 27.

The servo circuit 26 comprises, for example, a focus servo control circuit, a tracking servo control circuit, a spindle motor control circuit, a thread servo control circuit and the like.

The encoder & decoder 27 includes the optical head 2
1 to calculate a detection signal, obtain a reproduction output signal, and perform a deinterleaving process, a decoding process for error correction, and the like.
The decoded data is stored in a RAM serving as a buffer memory controlled by the recording / reproducing unit control circuit 30.
The data is once written to 31 and then read out to be derived from the output terminal 28.

The recording process of the information signal on the disc by the recording and / or reproducing unit 20 will be described. First, the information signal input from the input terminal 29 is subjected to encoding processing such as encoding processing and error correction processing by the encoder & decoder 27, and is supplied to the magnetic field modulation head 22. The magnetic field modulation head 22 modulates a magnetic field according to the encoded output signal. At this time, the optical head 21
Since the disk is irradiated with a recording laser beam, the signal recording surface of the disk loses coercive force and the magnetic field modulation head 22 can easily change the direction of magnetization according to the information signal.

Next, when the user operates each operation switch on the operation panel 42 as shown in FIG. 2, the system control circuit 40 takes out a desired disk cartridge from the stocker 2 using the transport unit 4, and The recording and / or reproducing unit 20 is chucked, and the recording and / or reproducing unit 20 is accessed via the recording / reproducing control circuit 30.

The operation panel 42 is a release button (RELEASE).
A key 43, an EJECT key 44, a disc select key 52, a record select key 53, a play key 54, a stop key 55, and the like as shown in FIG.

The release key 43 is a key for returning the disk cartridge being accessed by the recording and / or reproducing unit 20 to a predetermined storage position in the stocker 2. In particular, when the user wants to take out the disk cartridge from a predetermined storage position of the stocker 2, the user operates the eject key 44 provided near each of the storage positions.

The operation panel 42 displays the sampling frequency of the disk cartridge being accessed at, for example, 3
Sampling frequency display (SAMPLING FREQUENCY) that displays like 2KHz, 44.1KHz, 48KHz
And a repeat key (REPEAT) for repeating access by the recording and / or reproducing unit 20, and a display unit 45 for displaying the name of the disk cartridge being accessed, the name of the track, and the like.
Display key (DISPLAY), and a skip key (DISC SKI) used when accessing a disk cartridge other than the disk cartridge currently being accessed.
P), a continuation key (CONTINUE) for continuing access, and a shuffle key (SHUFFL) for performing shuffle playback.
E), a program key (PROGRAM) for performing program recording and reproduction, and the like are provided.

At the center of the operation panel 42, there is provided a lid 51 in which a transparent window 50 for a stocker is formed so that a disc cartridge stored in the stocker 2 can be visually recognized from the outside. For this reason, the user is required to
Closed while in also visible, for example five disc cartridge 1 _1, 1 _2, 1 _3, 1 ₄ and 1 ₅ of the head label album name described surface or the like. Further, a transparent window for the display unit 45 is also formed below the transparent unit 50 for the stocker. To insert or eject a disk cartridge into the stocker 2, the lid 51 may be opened as shown in FIG.

Next, regarding the disk cartridge 1,
This will be described with reference to FIGS. Here, the disc cartridge 61 for recording and reproduction is distinguished from the disc cartridge 81 for reproduction only depending on the difference in the disc to be stored.

As shown in FIGS. 4 and 5, the disc cartridge 61 is composed of an upper half 62 and a lower half 63, which are formed in a rectangular shape by molding a synthetic resin or the like, and butted together. A recording / reproducing optical disk 65 serving as a recording medium for an information signal is accommodated in 64.

The optical disk 65 used here has a diameter of about 64 mm, and has a storage capacity capable of recording a tone signal for 74 minutes. Then, the optical disk 6
The cartridge body 64 for storing the optical disk 5 is also formed in a size sufficient to store the optical disk 65.

When the disc cartridge 61 is mounted on a disc recording and / or reproducing apparatus, as shown in FIG.
A disk table entry opening 66 into which a disk table of a disk rotation drive mechanism for rotating the disk 5 enters is provided. This disk table entry opening 66
Specifically, the inner peripheral side portion of the optical disk 65 including the metal plate 67 as a magnetic plate for disk clamp attached so as to cover the center hole of the optical disk 65 housed in the cartridge main body 64 faces outward. It is formed as follows.

On the upper and lower surfaces of the cartridge body 64, that is, on the upper and lower halves 62 and 63, at least a part of the signal recording area of the optical disk 65 housed therein is exposed to the outside in the radial direction. Reproduction opening 6
8,69 are established. The information signal recording / reproducing openings 68 and 69 are moved from a position close to the disk table entry opening 66 shown in FIG.
Is formed at a substantially central portion of the cartridge body 64 in the left-right direction over the front end surface side of the cartridge body 64 and is formed in a square shape.

The cartridge body 6 constructed as described above
As shown in FIGS. 4 and 5, a shutter member 70 for opening and closing the information signal recording / reproducing openings 68, 69 is attached to the cartridge body 4 so as to fit from the front end face side of the cartridge body 64.

The above-described disk cartridge 61 is used to write a recording / reproducing type optical disk 65 capable of recording an information signal by applying an external magnetic field from the magnetic field modulation head 22 while irradiating a light beam emitted from the optical head 21. It is what is stored. Further, in this disc recording and / or reproducing apparatus, the optical disc 85 of the disc cartridge 81 containing the read-only optical disc 85 as shown in FIGS. Reproduce. This disk cartridge 81
Has the same outer shape as the above-described disk cartridge 61 containing the recording / reproducing optical disk 65. The optical disk 85 housed in the cartridge body 84 is also formed to have the same size as the recording optical disk 65. It becomes.

However, since the disk cartridge 81 containing the read-only optical disk 85 is used exclusively for reproducing the information signal, the magnetic field modulation head 22 for applying the above-mentioned external magnetic field is mounted on the cartridge body. There is no need to provide an opening that faces the inside of 84. That is, it is not necessary to apply an external magnetic field used for recording an information signal. Therefore, as shown in FIG. 6, the disk cartridge 81 does not have an opening provided on the upper half 62 constituting the upper surface of the disk cartridge 61 in which the recording / reproducing optical disk 65 is stored. That is, the disk cartridge 8
As shown in FIG. 6, the upper half 62 that constitutes the upper surface side of 1 is closed without forming an opening. Also, the shutter member 82 does not have a shutter portion for covering the upper half 62 of the disk cartridge 61, and as shown in FIG. 7, the information signal reproducing opening 83 provided on the lower half 63 of the cartridge body 84. Is provided only with the shutter portion 82b that covers the shutter.

As described above, the configuration of the disk cartridge is different for recording / reproduction and for reproduction only. In this embodiment, only the recording / reproduction disk cartridge 61 is used for recording, and the recording / reproduction disk cartridge 61 is used for reproduction. And the disk cartridge 81 are used together. In the following, the disc cartridge 61 for recording and reproduction is not distinguished from the disc cartridge 81, and is referred to as the disc cartridge 1.

Next, the operation of the disc recording and / or reproducing apparatus according to the embodiment will be described with reference to FIGS.

[0037] Figure 8, when the stocker 2 is housed three disk cartridge 1 _1, 1 ₂ and 1 _3, the disk cartridge 1 ₁ user operates the operation panel 42
FIG. 9 is a state transition diagram showing an operation when the user desires and reproduces the content.

The stocker 2 houses the (A), the storage position P _1, P ₂ and P ₃ in the three disk cartridge ₁ 1, 1 ₂ and 1 ₃ in FIG.

Here, the user presses (DISC1) of the disc selection switch 52 on the operation panel 42, and
When the user presses 4, the elevator 4b located at the home position moves up under the control of the system control circuit 40. When the height of the elevator 4b is at the same height as the stored position P ₁ by an elevator position detection SW10 is detected, withdraw the disc cartridge 1 ₁ by the slider 4a. The disk cartridge 1 ₁ by the slider 4a has been drawn up on the recording and / or reproducing unit 20, the slider pull-out position detection SW9
Is detected by Then, the elevator 4b is lowered by the control of the system control circuit 40, and stops at the position where the home position detection SW11 is turned on.

[0040] In this case, the disk cartridge 1 _1,
As shown in FIG. 8B, the recording and / or reproducing unit 20
Chuck the optical disk. Then, the recording and / or reproducing unit 20 reproduces the optical disk as described above.

During this reproduction, as shown in FIG.
User to the insertion of the other disc cartridge 1 ₆ in the storage position P ₁ of the disc cartridge 1 ₁ is currently playing.

[0042] Then, the system control circuit 40, by the detector 3 ₁ of the cartridge detecting unit 3, know that other disk cartridge 1 ₆ in the storage position P ₁ is inserted. Then, the system control circuit 40 controls the disk cartridge 1
_{When 1} has finished playing, or when the release key 43 is pressed by the user, the transport section of the disc cartridge 1 ₁ in the storage position P ₄ of the detector 3 ₄ of the cartridge detecting unit 3 detects the absence of the medium 4 And stored as shown in FIG.

This series of operations can be described as follows using the flowchart shown in FIG. In this flowchart, for convenience of illustration, the description of the disk cartridge is omitted, and the disk is used. The storage position is abbreviated as position.

[0044] First, the system control circuit 40, as shown in step S1, while accessing the disk cartridge 1 ₁ has been in storage position P _1, knowing that the release key 43 is pressed by the operation panel 42, Stop access.

[0045] Then, whether the original storage position P ₁ as in step S2 is empty is determined by using a cartridge detecting unit 3. Here, as shown in (C) of FIG. 8, when the user is inserting the other of the disc cartridge 1 ₆ at the housing position P _1, the system control circuit 40 by the cartridge detecting unit 3 determines NO in step S2 And step S
Proceed to 4.

The system control circuit 40, the detection signal from the cartridge detecting unit 3 determines whether or not the stored position P ₂ in the step S4 is empty, it is determined whether the empty storage position P ₃ at step S6 , it is determined whether the step S8 storage position P ₄ in is free. If it is determined that the step S4, each storage location in S6 or S8 P _2, P ₃ or P ₄ is empty, storage position P _2, P ₃ or step S5 the disk cartridge 1 ₁ to P _4, S7 or Store as shown in S9. In the example shown in FIG. 8, if YES is determined in step S8, i.e. storage position P ₄ indicates the case is empty.

[0047] Incidentally, if storage position P ₄ is not empty, the process proceeds to step S10, storage position P ₅ is determined using the cartridge detecting unit 3 whether empty. The storage position P ₅ is as long as empty, for accommodating the disc cartridge 1 ₁ in the storage position P _5.

Next, the stocker 2, five of the disk cartridge 1 _1, 1 _2, 1 _3, 1 to ₄ and 1 ₅ are all housed state, the user desires the disc cartridge 1 ₁ Access is allowed, the user in the storage position P ₁ while accessing previously described also using FIG. 9, the operation of the case of inserting another disk cartridge 1 _6.

The stocker 2, as shown in FIG. 9 (A), the stored position P _1, P _2, P _3, P ₄ and P ₅ in the five disc cartridges ₁ 1, 1 _2, 1 _3, 1 ₄ and ₁₅ are stored.

Here, the user presses (DISC1) of the disc selection switch 52 on the operation panel 42 and
When the user presses 4, the elevator 4b located at the home position moves up under the control of the system control circuit 40. When the height of the elevator 4b is at the same height as the stored position P ₁ by an elevator position detection SW10 is detected, the slider 4a is pulled out the disk cartridge 1 _1. The disk cartridge 1 ₁ is drawn up on the recording and / or reproducing unit 20 by the slider 4a is detected by the slider pulled-out position detection SW9. Then, the elevator 4b is lowered by the control of the system control circuit 40, and stops at the position where the home position detection SW11 is turned on.

At this time, the disk cartridge ₁₁ is
As shown in FIG. 9B, the recording and / or reproducing unit 20
The optical disk 65 is chucked. Then, the recording and / or reproducing unit 20 reproduces the optical disk 65 as described above.

During this reproduction, as shown in FIG.
User to the insertion of the other disc cartridge 1 ₆ in the storage position P ₁ of the disc cartridge 1 ₁ is currently playing.

[0053] Then, the system control circuit 40, by the detector 3 ₁ of the cartridge detecting unit 3, know that other disk cartridge 1 ₆ in the storage position P ₁ is inserted.

Here, the system control circuit 40 knows that each of the storage positions P ₁ , P ₂ , P ₃ , P ₄ and P ₅ of the stocker 2 stores all the disk cartridges. In this state, the time of the reproducing disc cartridge 1 ₁ has been completed, or when the release key 43 is pressed by the user, since the disappeared position for accommodating the disc cartridge 1 _1, the elevator 4b is a disk cartridge 1 ₁ It remains on the home position while holding it.

Therefore, the system control circuit 40 displays one of the disk cartridges on the display unit 45 in the stocker 2.
Is displayed as if it were removed from This display may be accompanied by audio.

[0056] When the user noticed display on the display 45, as shown in (D) in FIG. 9, when withdrawn from the storage position P ₃ with the eject key 44 of the disc cartridge 1 _3, the system control circuit 40 as shown in (E) of FIG. 9, to raise the elevator 4b to the position of the storage position P _3, for accommodating the disc cartridge 1 ₁ in the storage position P ₃ pull the slider 4a into the cartridge 2.

This series of operations can be described as follows using the flowchart shown in FIG.

As shown in step S10, the storage position P ₅
When there is no empty space, the system control circuit 40 causes the elevator 4b to stand by at the home position as shown in step S12, and displays an indication on the display unit 45 to remove one of the disk cartridges.

Then, in step S13, the system control circuit 40 determines whether or not a vacancy has occurred in each of the storage positions P ₁ , P ₂ , P ₃ , P ₄ and P ₅ based on the detection result from the cartridge detection unit 3. Judge.

For example, in the example shown in FIG. 9, the storage position P ₃
The disc cartridge 1 ₃ which has been stored since the user is extracted, the system control circuit 40 Step S1
As shown in 4, for accommodating the disc cartridge 1 ₁ into vacant storage position P _3.

The operation of the disk recording and / or reproducing apparatus when the recording and / or reproducing unit 20 is performing the reproducing process has been described above. The same applies to the case where the recording process is performed. .

As described above, according to the disk recording and / or reproducing apparatus, even if another disk cartridge is newly inserted into the storage position of the currently accessed disk cartridge in the stocker, the empty storage cartridge is automatically opened. The disk cartridge being accessed can be stored at the position, and normal operation can be performed. Further, when the vacant space is exhausted, the user is notified of the vacancy, and the vacant disk cartridge can be stored after the vacant space is secured.

The system control circuit 40 has a function of recording and / or reproducing information data in accordance with a program for designating an access order based on each storage position of each disk cartridge in the stocker 2. Here, the storage position of the disk cartridge is the cartridge detection unit 3
When the system control circuit 40 determines that the access has changed according to the detection result, the access order is rearranged.

A program for instructing an access order based on each storage position of each disk cartridge in the stocker 2 is set by a program key on the panel operation unit 42. The program set by the program key is stored in the RAM in the system control circuit 40.
41.

[0065] For example, three of the disk cartridge ₁ 1 as shown in FIG. 8, 1 _2, and 1 ₃ is housed in the stocker _{2, 1 2 -5 → 1 1} -1 → 1 3 -2 → 1 1 The case where the program reproduction is set as -ALL → 1 ₂ -1 → 1 ₃ -ALL will be described. Here, the example (1 ₂ -5), representing the 5th track of the disk cartridge 1 in _2. Further, the (1 ₁ -ALL), representing the tracks of the disk cartridge 1 _1.

[0066] After the program reproduction is set, so that a user shown in (C) of FIG. 8, I and insert another disc cartridge 1 ₆ at the housing position P ₁ while accessing the disk cartridge 1 ₁ and time, the system control circuit 40 returns the disk cartridge 1 ₁ in the storage position P ₄ as shown in (D) in FIG. 8.

Then, the system control circuit 40
Stored in 41 the the program is rewritten as _{1 2 -5 → 1 4 -1 →} 1 3 -2 → 1 4 -ALL → 1 2 -1 → 1 3 -ALL.

[0068] Also, for example, five of the disk cartridge ₁ 1 as shown in FIG. 9 in stocker 2, 1 _2, 1 _3, 1 ₄
And 1 ₅ are _{housed, 1 4 -1 → 1 3 -1} → 1 2 -1 → 1 1 -1 → 1 5 -1 and for the case where the program playback is set will be described.

[0069] After the program reproduction is set, so that a user shown in (C) of FIG. 9, accidentally insert another disc cartridge 1 ₆ at the housing position P ₁ while accessing the disk cartridge 1 ₁ and time, the system control circuit 40 returns the disk cartridge 1 ₁ in the storage position P ₃ as shown in (E) of FIG. 9.

Then, the system control circuit 40
Stored in 41 the the program is rewritten as _{1 4 -1 → 1 2 -1 →} 1 3 -1 → 1 5 -1.

When the system control circuit 40 determines that the storage position of the disk cartridge has changed according to the detection result of the cartridge detection unit 3, it deletes the disk cartridge whose storage position has changed from the above program.

[0072] For example, three of the disk cartridge ₁ 1 as shown in FIG. 8, 1 _2, and 1 ₃ is housed in the stocker _{2, 1 2 -5 → 1 1} -1 → 1 3 -2 → 1 1 The case where the program reproduction is set as -ALL → 1 ₂ -1 → 1 ₃ -ALL will be described.

[0073] After the program reproduction is set, so that a user shown in (C) of FIG. 8, I and insert another disc cartridge 1 ₆ at the housing position P ₁ while accessing the disk cartridge 1 ₁ and time, the system control circuit 40 returns the disk cartridge 1 ₁ in the storage position P ₄ as shown in (D) in FIG. 8.

Then, the system control circuit 40
Stored in 41 the the program is rewritten as _{1 2 -5 → 1 3 -2 →} 1 2 -1 → 1 3 -ALL.

[0075] Also, for example, five of the disk cartridge ₁ 1 as shown in FIG. 9 in stocker 2, 1 _2, 1 _3, 1 ₄
And 1 ₅ are _{housed, 1 4 -1 → 1 3 -1} → 1 2 -1 → 1 1 -1 → 1 5 -1 and for the case where the program playback is set will be described.

[0076] After the program reproduction is set, so that a user shown in (C) of FIG. 9, accidentally insert another disc cartridge 1 ₆ at the housing position P ₁ while accessing the disk cartridge 1 ₁ and time, the system control circuit 40 returns the disk cartridge 1 ₁ in the storage position P ₃ as shown in (E) of FIG. 9.

Then, the system control circuit 40
Stored in 41 the the program is rewritten as _{1 4 -1 → 1 2 -1 →} 1 5 -1.

Therefore, according to the disk recording and / or reproducing apparatus, even if another disk cartridge is newly inserted into the storage position in the stocker of the disk cartridge being accessed during the reproduction of the program, it is automatically vacated. The disk cartridge being accessed can be stored in the storage position where it is, and the program can be automatically changed. Further, when the free space is exhausted, the user is notified of the fact, and after the free space is secured, the accessed disk cartridge can be stored and the program can be automatically changed.

The recording and / or reproducing apparatus according to the present invention is not limited to the above-mentioned disk recording and / or reproducing apparatus. For example, the recording and / or reproducing apparatus is applicable to a recording medium such as an optical disk not housed in a disk cartridge. The information signal may be recorded and / or reproduced. Further, the stocker may have a configuration capable of storing five or more recording media.

[0080]

According to the present invention, when a detection signal indicating that another recording medium is present at the storage position of the recording medium being accessed by the recording and / or reproducing means is received from the medium detecting means, the control means executes the above-mentioned operation. Since the recording medium being accessed is returned to the storage position where the medium detection means has detected the absence of the medium in the storage means, even if another storage medium is newly inserted into the storage position of the recording medium being accessed, Normal operation can be continued.

Further, even if another recording medium is newly inserted into the storage position of the recording medium being accessed during the reproduction of the program, the recording medium being accessed is automatically stored in the empty storage position. At the same time as storing, the program can be changed automatically.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a disk recording and / or reproducing apparatus which is an embodiment of a recording and / or reproducing apparatus according to the present invention.

FIG. 2 is a front view of an operation panel of the disc recording and / or reproducing apparatus of the embodiment.

FIG. 3 is a diagram showing a state in which a lid on an operation panel of the disc recording and / or reproducing apparatus is opened.

FIG. 4 is a front perspective view of a disk cartridge containing an optical disk for recording and reproduction.

FIG. 5 is a perspective view of the back side of a disk cartridge storing the optical disk for recording and reproduction.

FIG. 6 is a perspective view of the front side of a disk cartridge containing a read-only optical disk.

FIG. 7 is a perspective view of the back side of a disk cartridge containing a read-only optical disk.

FIG. 8 shows an operation when a user inserts another disk cartridge while the disk recording and / or reproducing apparatus of the embodiment is reproducing one of the three disk cartridges. It is a state transition diagram shown.

FIG. 9 shows an operation when a user inserts another disk cartridge while the disk recording and / or reproducing apparatus of the embodiment is reproducing one of the five disk cartridges. It is a state transition diagram shown.

FIG. 10 is a flowchart for explaining the operation of the disk recording and / or reproducing apparatus of the embodiment.

[Explanation of symbols]

Reference Signs List 1 disk cartridge, 2 stocker, 3 cartridge detecting section, 4 transport section, 5 motor for moving slider, 6 motor for moving up and down elevator, 7 rack plate, 8
Slider retraction position detection switch, 9 Slider retraction position detection switch, 10 elevator position detection switch, 11 home position detection switch, 20
Recording and / or reproducing unit, 40 system control circuit, 41
RAM, 42 operation panel, 45 display unit

Continuation of the front page (72) Inventor Hiroyuki Yoshikoji 6-7-35 Kita Shinagawa, Shinagawa-ku, Tokyo Inside Sony Corporation

Claims (6)

[Claims] An accommodating means for accommodating a plurality of recording media at a plurality of accommodating positions; a medium detecting means for detecting presence or absence of a recording medium at each accommodating position of the accommodating means; Recording and / or reproducing means for accessing an information signal to a desired recording medium among the plurality of recording media, and taking out the desired recording medium from the storage means and providing the recording and / or reproducing means to the recording and / or reproducing means. Attachment means, transport means for taking out the recording medium from the recording and / or reproducing means and storing the recording medium in the storing means, and transferring the recording medium being accessed by the recording and / or reproducing means to the original in the storing means. When returning to the storage position, when the medium detection unit outputs a detection signal indicating that there is a recording medium in the storage position, the medium detection unit in the storage unit detects the absence of the recording medium. Recording and / or reproducing apparatus, characterized in that it comprises a control means for returning the detected storage position. 2. The storage unit according to claim 1, wherein the control unit waits for the medium detection unit to detect the absence of the recording medium, and then stores the accessed recording medium in the storage unit. Recording and / or reproducing apparatus. 3. The storage means has a function of recording and / or reproducing information data according to a program designating an access order based on each storage position of each storage medium in the storage means. 2. The access order is rearranged when it is determined that the position has changed according to the detection result of the medium detection unit.
A recording and / or reproducing apparatus as described in the above. 4. The control means has a function of recording and / or reproducing according to a program designating an access order based on each storage position of each recording medium in the storage means,
2. The storage medium according to claim 1, wherein when it is determined that the storage position of the recording medium has changed according to the detection result of the medium detection means, the storage medium whose storage position has changed is deleted from the access order. Recording and / or playback device. 5. The conveyance means includes a slider portion for pulling out the recording medium from a storage position of the storage means and drawing the recording medium into the storage position, and an elevator portion which holds the recording medium and moves up and down. 2. The recording and / or reproducing apparatus according to claim 1, wherein: 6. The recording and / or reproducing apparatus according to claim 1, wherein said recording medium is a disk cartridge containing a disk in a cartridge body.