JPH0831240B2 - Digital audio disk player - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital audio disc player having a pause function.

2. Description of the Related Art In recent years, digital audio disc players (hereinafter simply referred to as "players") have become more compact and demand for low power consumption has increased.

An example of the conventional player described above will be described below with reference to the drawings.

 FIG. 4 shows a conventional player operation unit.

In the figure, 1 is a display unit, 2 is a key switch for starting a performance with a play key, 3 is a pause key for temporarily stopping the performance, 4 is a key switch for stopping the performance with a stop key, and 5 is a disc It is an insertion part.

The operation of the conventional player configured as described above will be described below with reference to FIGS. 4, 5, and 6. FIG. 5 is a block diagram of a conventional player circuit, FIG.
The figure is a flow chart during performance of a conventional player.

If you want to stop the performance during the performance, press the stop key 4. If you press the Pause key 3, you will enter the pause state (pause). If you press the Stop key 4 in this state, it will stop, and if you press the Play key 2, the performance will resume from where it stopped. ing. The pause state at this time means that the controller 7 stores the minute / second frame indicating the playing position of the disk at that time in the minute / second frame storage 8 by the pause key input of the key switch 6 in FIG. The signal detection unit 10 works to prevent the signal detection unit 10 from holding its position.

Problems to be Solved by the Invention However, in the configuration described above, all circuits are still energized even in the pause state,
There was a problem that it required the same amount of power as during the performance.

In view of the above problems, the present invention reduces the power consumption in the paused state and provides a player with lower power consumption.

Means for Solving the Problems In order to solve the above problems, a digital audio disc player of the present invention includes a driving unit for rotating a disc and moving a pickup, and the pickup, and detects a digital signal in the disc. A signal detection unit that
A signal output unit that outputs the digital signal detected by the signal detection unit, a key switch for temporarily stopping the performance, a timer unit for measuring the duration of the paused state, and an operation of the key switch. A playing position storage unit for storing the playing position in the disc when the playing is paused, and a control unit for controlling each unit,
The control section stores the playing position in the playing position storage section in response to the operation of the key switch, and controls the driving section so that the signal detecting section holds the position in accordance with the stored position and pauses. When the timer section starts measuring with the state, and when the measured time of the timer section exceeds a set value in this paused state, the driving section while keeping the playing position stored in the playing position storage section, It is characterized in that control is performed so as to obtain a power-saving temporary stop state in which the power supply to the signal detection unit and the signal output unit is cut off.

The present invention has the above-mentioned configuration, and when the measured time of the timer section exceeds the set value in the temporary stop state, the drive section while the performance position is stored in the performance position storage section,
Since it is possible to obtain a power-saving temporary stop state in which the power supply to the signal detection unit and the signal output unit is cut off, even if the temporary stop state continues for a long time, the power supply to the drive unit etc. is cut off and temporarily Not only can the power consumption in the stopped state be reduced, but even if the power consumption is saved, the playing position is continued to be stored in the playing position storage unit, so that the playback is resumed from the normal paused state. When operated, the reproduction can be resumed from the position at which the reproduction was interrupted.

Embodiment A player according to an embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows the configuration of a player circuit in an embodiment of the present invention. 11 is a drive unit that moves the pickup for detecting the rotation and the signal of the disc, 12 is a signal detection unit for detecting the digital signal in the disc,
13 is a signal output unit that converts the detected digital signal into an analog signal, amplifies and outputs the signal, 14 is a power supply unit that supplies power to each unit, and 15 is a control unit that controls each unit. The minute / second frame storage unit 18 that stores the minute / second frame indicating the playing position, the timer unit 19 for measuring the duration of the pause state, and the power of the power when the measured time of the timer unit exceeds an arbitrary set time. It includes a power supply controller 20 for shutting off the supply. Further, 16 is a key switch unit for instructing each operation, and 17 is a display unit for displaying an operation state.

FIG. 2 shows an operation system of the player in one embodiment of the present invention. In FIG. 2, 21 is a display unit, 22 is a play key, 23 is a pause key, 24 is a stop key, and 25 is a disc insertion unit.

Regarding the player configured as described above, the first
The operation will be described with reference to FIGS. 2, 3 and 4.

FIG. 1 is a circuit configuration diagram, and FIG. 3 is a flow chart during a player's performance in an embodiment of the present invention.

If the stop key 24 is pressed during the performance, the stop state is entered, and when the pause state is desired, the pause key 23 is pressed. In this state, if the stop key 24 is pressed, the stop state is entered, and when the play key 22 is pressed, the performance is restarted from the position where the performance was stopped. When the pause state continues for 2 minutes or more, the power supply to the drive unit 11, the signal detection unit 12, and the signal output unit 13 is stopped. Even in this state, only the control section is operating, so if the stop key 24 is pressed, it becomes a stopped state, and if the play key 22 is pressed, the performance is started from the position where the performance was stopped. This pause state will be described with reference to FIG. 1. When the pause key is input from the key switch section, the control section 15 stores the minute / second frame signal indicating the playing position at that time, and the driving section works to hold the position. To do so. At the same time, the timer unit 19 starts measuring the duration of the paused state, and after two minutes or more, the power supply control unit 20 works on the power supply unit to supply power to the drive unit 11, the signal detection unit 12, and the signal output unit 13. stop. Even if the play key 22 is pressed in this state, since the minute / second frame is stored, the performance can be restarted from the position where the performance was stopped.

As described above, according to the present embodiment, by providing the control unit 15 with the timer unit 19 and the power supply control unit 20, it is possible to reduce the power consumption in the pause state.

In this embodiment, the time until the power supply is stopped is 2
Minutes are set, but this time may be set to any value.

EFFECTS OF THE INVENTION As described above, the digital audio disc player of the present invention includes a drive unit that rotates the disc and moves the pickup, a signal detection unit that includes the pickup and that detects a digital signal in the disc, and the signal detection unit. Signal output section that outputs the digital signal detected by the section, a key switch for temporarily stopping the performance, a timer section for measuring the duration of the paused state, and the operation of the key switch to pause the performance. It is composed of a performance position storage unit for storing the performance position in the disc when stopped and a control unit for controlling each unit, and the control unit receives the performance of the performance position storage unit in response to the operation of the key switch. The position is stored, and the drive unit is controlled so that the signal detection unit holds the position in accordance with the stored position, and the signal is temporarily stopped. At the same time, the measurement of the timer unit is started, and when the measured time of the timer unit exceeds the set value in this pause state, the performance position is stored in the performance position storage unit, and the drive unit, the signal By configuring so as to obtain a power-saving temporary stop state that cuts off power supply to the detection unit and the signal output unit, power supply to the drive unit and the like can be performed even when the temporary stop state continues for a long time. Not only can the power consumption be reduced in the paused state by shutting it off, but even if the power consumption is saved, the performance position memory section will continue to store the performance position memory, so playback will resume from the normal paused state. When the player is driven by the battery, the reproduction can be resumed from the position where the reproduction is interrupted by performing the reproduction operation in the same manner as described above. Life can be extended.

[Brief description of drawings]

FIG. 1 is a block diagram showing a circuit configuration of a digital audio disc player according to an embodiment of the present invention, FIG. 2 is a front view showing an operating system of the player, and FIG. 3 is a flow chart during the performance of the player. FIG. 4 is a front view showing an operation system of a conventional digital audio disc player, FIG. 5 is a block diagram showing an internal configuration of the player, and FIG. 6 is a flow chart during the performance of the player. 16: Key switch section, 18: Minute / second frame memory section, 19
...... Timer section, 20 ...... Power control section, 23 ...... Pause key, 24 ...... Stop key.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Susumu Kinoshita 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) Reference JP-A-54-119902 (JP, A) JP-A-57-89118 (JP, A) JP 59-116958 (JP, A) JP 59-40366 (JP, A) JP 59-107457 (JP, A) JP 59-40376 (JP, A) Kai 60-52987 (JP, A) Actual Sho 60-26673 (JP, U)

Claims (1)

[Claims] 1. A drive unit for rotating a disc and moving a pickup, a signal detection unit including the pickup for detecting a digital signal in the disc, and a signal for outputting the digital signal detected by the signal detection unit. An output section, a key switch for temporarily stopping the performance, a timer section for measuring the duration of the paused state, and a playing position in the disc when the performance is paused by operating the key switch. And a control unit for controlling the above-mentioned respective sections. The control unit stores the performance position in the performance position storage unit in response to an operation of the key switch, and stores the performance position in accordance with the storage position. The signal detection unit controls the driving unit so as to hold the position and puts it in a temporary stop state, and also starts measurement of the timer unit. When the measured time of the timer section exceeds a set value, the power supply to the drive section, the signal detection section and the signal output section is shut off while the performance position is stored in the performance position storage section. A digital audio disc player characterized by controlling so as to obtain a power-saving suspended state.