JPH09212990A - Disk reproducing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a disk reproducing apparatus whose operabilty related to a tray opening and shutting operation and to a power supply operation is enhanced by a method wherein an operation to open a tray part is continued and a power supply is cut off after the completion of the operation to open the tray part. SOLUTION: When an operation to open a tray is performed from an operation input part 15, an operation signal is input to a system control part 12, and the operation to open the tray is performed via a tray control part 13. During the operation to open the tray, an operation to turn off a power supply is performed from the operation input means 15. When a signal to turn off the power supply is input to the system control part 12, the control part 12 instructs the tray control part 13 to continue to open the tray. After that, the operation to open the tray is completed, and a tray-opening completion signal is input to the control part 12. Then, the control part 12 instructs a power-supply control part 11 to turn off the power supply.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc reproducing apparatus having a tray portion for loading and unloading a disc.

[0002]

2. Description of the Related Art Conventionally, in a front-loading type disc reproducing apparatus in which a disc is placed on a tray and the tray is horizontally taken in and out (opened and closed) from the front surface of the device, the disc is taken out or replaced. When the tray was opened, the power of the disc player was turned on. If you try to turn off the power to prevent power consumption while this tray is open, and then turn off the power while the tray is open, do you want to stop the open operation and turn off the power? Or, the power was turned off after changing to close operation and closing.

[0003]

When the disc is fully opened, the disc is not played back, so it is not necessary to turn on the power, and power is consumed unnecessarily. For example, after the operation of opening the tray, the operation of the disk playback device is not normally performed until the disk is set and the tray is closed, but for example, it takes time to open the disk to replace the disk. However, there is a problem that power is unnecessarily consumed, such as when the battery is long. Also,
A disk reproducing device using a built-in power source such as a battery or a battery has a problem that the usable time is shortened due to power consumption. . Trying to turn off the power to prevent power consumption while opening this tray,
If the power is turned off (turned off) during the tray opening operation, the opening operation is stopped and the power is turned off during the tray opening operation. If you change to the closing operation, the instruction of the user who operated the tray for the purpose of ejecting or replacing the disc is ignored, and the tray opening operation is not performed until the end, so the disc removal intended by the user is removed. There was a problem that it became impossible to exchange or exchange. An object of the present invention is to provide a disc reproducing apparatus with improved operability related to tray opening / closing operation and power supply operation.

[0004]

DISCLOSURE OF THE INVENTION A disc reproducing apparatus according to the present invention is a disc reproducing apparatus having a tray section for loading and unloading a disc, a tray control section for opening and closing the tray section, a power control section for controlling a power source, A system control unit for controlling the tray control unit and the power supply control unit,
If you turn off the power while opening the tray,
The operation of opening the tray portion is continued, and the power is turned off after the opening operation of the tray portion is completed. The disc reproducing device according to the present invention is a disc reproducing device having a tray part for loading and unloading a disc, comprising: a tray control part for opening and closing the tray part; a power control part for controlling a power supply; and the tray control part and the power control part. A system control unit for controlling is provided, and when an operation of opening the tray unit is performed, the power is turned off after the opening operation of the tray unit is completed. In the disc reproducing apparatus according to the present invention, when the tray unit is closed after the power is turned off after the tray unit has been opened, the tray unit is turned on to close the tray unit. It will turn off the power later. In the disc reproducing device according to the present invention, when the disc reproducing operation is performed after the power is turned off after completion of the opening operation of the tray part, the disc is detected by detecting the presence or absence of the disc by turning on the power and closing the tray part. In some cases, the operation corresponding to the disk reproduction operation is performed. The disc reproducing apparatus according to the present invention detects the presence or absence of a disc and turns off the power when there is no disc. If there is an instruction input to turn off the power during the operation of opening the tray of the disc reproducing apparatus, the tray is surely opened and the power is turned off, so that the operability can be improved. After performing the operation to open the tray, the disc playback device is not normally operated until the disc is set and the tray is closed.Therefore, power consumption can be suppressed by turning off the power with the power control unit. it can. Also, when the tray is opened and the power is turned off, when the tray is simply closed, the tray is closed and the power is turned off, and when the disc is played, the playback operation corresponding to the operation is performed. , It is possible to maintain the operability without being aware of the power supply operation.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION As an embodiment of the present invention, a CD player which is a disc reproducing apparatus in which a compact disc (CD) is applied to a disc will be shown and described. FIG. 1 is a block system diagram showing an embodiment of a disc reproducing apparatus according to the present invention. FIG. 2 is an external view showing the external appearance of the device.
The disk 1 passes through the opening on the front surface 20 of the device and is horizontally oriented.
It is placed on the tray 6 that opens and closes (arrow A) and is put in and taken out from the apparatus. A compact disc (CD) 1 which is a disc housed in the apparatus is placed on a turntable 2 which is coaxially fixed to a rotation shaft of a spindle motor 3.

When the compact disc 1 is reproduced, it is placed on the turntable 2 above the tray 6 and is rotationally driven by the spindle motor 3, while the optical pickup 4 is horizontally moved by the slide motor 5 in the radial direction of the disc. The reflected light from the disc 1 of the laser light emitted from the optical pickup 4 is detected by the optical pickup 4, and is detected by the DA via the head amplifier 7 and the servo control unit 8.
It is converted into an analog signal by the converter (DAC) 9 and output to the output terminal 10.

The servo control unit 8 generates a servo signal from the reproduction signal output from the head amplifier 7, and controls the rotation drive of the spindle motor 3 (spindle servo) and the horizontal drive control of the slide motor 5 (slide servo). The system control unit 12 controls the servo control unit 8, the power supply control unit 11 controls the power supply of each control unit in the disc reproducing apparatus (CD player), and the tray control unit 13 controls the tray 1
3 is performed.

When a tray opening operation is performed from a key provided on the front surface 20 of the apparatus or an operation input unit 15 such as a remote controller (not shown), an operation input signal is input to the system control unit 12, and the tray control unit 13 is used. Operates to open the tray. During the operation of opening the tray, the operation input unit 15 is operated to turn off the power, and the system control unit 1
When the power-off signal is input to 2, the system control unit continues to instruct the tray control unit 13 to open the tray, completes the tray opening operation, and the tray open completion signal is input to the system control unit 12. At this time, the system control unit 12 instructs the power supply control unit 11 to turn off the power. The open / closed state of the tray is discriminated by the system controller 12 based on a signal from the detector 14 that outputs a signal according to the open / closed state.

The power source of the system control unit 12 is not controlled by the power source control unit 11, and is directly turned on when connected to a main power source (not shown) of the disc reproducing apparatus. The main power supply system may be provided with a main power supply switch, but the power supply control unit 11 does not control the turning on / off of the main power supply.

An embodiment of the operation of the disc reproducing apparatus according to the present invention is shown in the flowchart of FIG. Operation input unit 15
When an operation signal for opening the tray is input to the system control unit 12 from S (S2), an instruction signal is sent from the system control unit 12 to the tray control unit 13 to operate to open the tray 6.
(S3).

The system controller 12 monitors whether the tray is being opened (S4). If the tray is being opened (NO in S4), the system control unit 12 monitors whether or not a power-off instruction input has been made by a power-off operation or the like (S5). If there is no power off instruction input
(NO in S5), the process returns to S4, and the system control unit 12 repeats the monitoring of whether the tray opening operation is in progress (S4) and the monitoring of whether the power-off instruction is input (S5). If the tray is fully opened without the power off instruction input (YES in S4), the tray control unit 13 is directly operated.
Thus, the tray opening operation is stopped (S10).

When a power-off instruction signal is input to the system control unit 12 (YES in S5), the system control unit 12 makes a preliminary setting (standby) to turn off the power after the tray is completely opened. (S6), it is monitored whether the tray opening operation is in progress (S7), and when the tray opening is completed (YES in S7), a command for stopping the tray opening operation is output to the tray control unit 13 (S8). The power is turned off via the power controller 11 (S9). When the power is turned off, the system controller,
The power is supplied only to the part that is connected to the main power supply such as the power supply control unit and is the minimum necessary for waiting for the operation input.

When a signal for instructing reproduction of the disc is input from the operation input unit 15 to the system control unit 12 (S11
, YES), and the tray 6
It is detected whether or not a disc is mounted on the disc. The disc detection unit is provided in the tray 6 or the disc reproducing device, outputs a detection signal according to the presence or absence of a disc, and inputs it to the system control unit 12. When it is determined that the disc is present (YES in S18), the disc reproducing device performs the reproducing operation corresponding to the reproducing instruction signal (S19). When the disk reproducing operation is completed (YES in S20), the reproducing operation is stopped (S21), and the process returns to the monitoring of the tray opening instruction signal input (S2). If it is determined that there is no disk (N in S18
O), power is turned off (S16).

With the tray open and the power off (S9),
When an instruction signal to close the tray is input from the operation input unit 15 to the system control unit 12 (YES in S12), the tray 6
To close (S13). System control unit 12
Monitors whether the tray is being closed (S14),
When the tray is completely closed (YES in S14), the tray closing operation is stopped (S15), and the system control unit 12 turns off the power (S16).

An embodiment of the operation of the disc reproducing apparatus according to the present invention is shown in the flow chart of FIG. Operation input unit 15
When the operation signal for opening the tray is input from the system controller 12 to the system controller 12 (YES in ST2), an instruction signal is sent from the system controller 12 to the tray controller 13 to operate to open the tray 6 (ST3).

The system controller 12 monitors whether or not the tray opening operation is in progress (ST4), and when the tray is fully opened (YES in ST4), the tray controller 13 stops the tray opening operation (ST5). ), Power off (ST
6). When the power is turned off, only the minimum functions such as monitoring the presence / absence of an operation input from the operation input unit 15 by the system control unit 12 operate, and the power consumption is suppressed.

Here, when a signal for instructing reproduction of the disc is input from the operation input unit 15 to the system control unit 12.
(YES in ST7), whether or not a disc is placed on the tray 6 is detected by a disc detection unit (not shown). The disc detection unit is provided in the tray 6 or the disc reproduction device, outputs a detection signal according to the presence or absence of a disc, and inputs it to the system control unit 12. If it is determined that the disc is present (YES in ST13), the disc reproducing device performs a reproducing operation corresponding to the reproducing instruction signal (ST1).
4). When the disc playback operation is completed (ST15: YE
S), the reproduction operation is stopped (ST16), and the process returns to the monitoring of the tray opening instruction signal input (ST2). If it is determined that there is no disk (NO in ST13), the power is turned off (ST
12). Here, when the power is turned off, the system controller,
The power is supplied only to the part that is connected to the main power supply such as the power supply control unit and is the minimum necessary for waiting for the operation input.

Power-off state with tray open (ST6)
Then, when the instruction signal to close the tray is input from the operation input unit 15 to the system control unit 12 (YES in ST8), the tray 6 is operated to close (ST9). System control unit 1
2 monitors whether the tray is being closed (ST1
0), when the tray is completely closed (YE in ST10)
S), the tray control unit 13 stops the tray closing operation.
(ST11), power is turned off by the system controller 12.
(ST12).

When an instruction input for turning off the power is given during the operation of opening the tray of the disc reproducing apparatus, it is possible to obtain the disc reproducing apparatus which has a good operability for surely opening the tray and turning off the power. When there is an operation to close the tray, turn on the power, close the tray, then turn off the power, and if there is a disk playback operation such as disk playback or special playback, respond to the operation after closing the tray. Since the disc reproducing operation is performed, it is not necessary to perform a power-off operation while the tray is being opened, which improves operability and suppresses unnecessary power consumption. In other words, when the power is turned on when the tray is open and the disc is to be played, the condition is that there is a disc and there is a disc playback operation. If the conditions are not met, the power is turned on. Since it is not necessary to continue, the power is turned off to suppress unnecessary power consumption.

After the operation of opening the tray, until the disc is set and the tray is closed, the disc reproducing apparatus is not normally operated. Even if you open it for a long time, you can save power and save electricity. Further, in a disc reproducing device using a built-in power source such as a battery or a battery, power consumption can be suppressed and usable time can be increased. When the tray is opened and the power is turned off, when the tray is simply closed, the tray is closed and the power is turned off, and when a disc is played, the playback operation corresponding to the operation is performed to turn the power on. It is possible to obtain a disc reproducing apparatus with good operability without being aware of the operation.

[0021]

As described above, according to the present invention, it is possible to suppress unnecessary power consumption and improve operability when the tray of the disc reproducing apparatus is opened.

[Brief description of drawings]

FIG. 1 is a system diagram showing an embodiment of a disc reproducing apparatus according to the present invention.

FIG. 2 is an external view showing an embodiment of a disc reproducing apparatus according to the present invention.

FIG. 3 is a flowchart showing an embodiment of the operation of the disc reproducing apparatus according to the present invention.

FIG. 4 is a flowchart showing an embodiment of the operation of the disc reproducing apparatus according to the present invention.

[Explanation of symbols]

 1 Compact Disc (CD) 2 Turntable 3 Spindle Motor 4 Optical Pickup 5 Slide Motor 6 Tray 7 Head Amplifier 8 Servo Control Section 9 DA Converter (DAC) 10 Output Terminal 11 Power Supply Control Section 12 System Control Section 13 Tray Control Section 14 Detection Section 15 Operation input section

Claims (5)

[Claims] 1. A disk reproducing apparatus having a tray section for loading and unloading a disk, a tray control section for opening and closing the tray section, a power control section connected to a power source for controlling power supply to each section of the apparatus, and the power control. If a power-off operation is performed during the operation of opening the tray unit, the tray control unit and the system control unit for controlling the tray control unit and the power supply control unit are connected to the power source without the intermediary of the tray unit to open the tray unit. The disc reproducing apparatus, characterized in that the power supply is cut off by the power supply control unit after the opening operation of the tray unit is completed. 2. A disk reproducing apparatus having a tray section for loading and unloading a disk, a tray control section for opening and closing the tray section, a power control section connected to a power source for controlling power supply to each section of the apparatus, and the power control. When the tray unit is opened and the tray control unit is connected to the power supply without controlling the tray unit to control the tray control unit and the power supply control unit, when the tray unit is opened, A disk reproducing device characterized by cutting off power supply. 3. When the operation of closing the tray unit is performed after the power is turned off after the opening operation of the tray unit is completed, the operation of closing the tray unit by turning on the power supply by the power supply control unit is performed. 3. The disc reproducing apparatus according to claim 1, wherein the power supply by the power supply control unit is turned off after the completion of the closing operation. 4. When the disc reproducing operation is performed after the power is turned off after the opening operation of the tray unit is completed, the tray unit is closed by turning on the power supply by the power source control unit. 3. The disc reproducing apparatus according to claim 1, wherein an operation corresponding to a reproducing operation is performed. 5. The disc reproducing apparatus according to claim 4, wherein when there is no disc, the power supply by the power control unit is turned off.