JP2001238275A - Central control system for plural devices - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an AV control system that can automatically change an operation of a prescribed device whose operation is to be changed attended with a change in the operation without the need for a user to make any operation in the case that the operation of the devices connected to a controller 1 is changed in response to an operation with respect to a remote control transmitter specific to each device. SOLUTION: The AV control system of this invention is provided with a touch panel entry device 10 and a controller 1 to which a plurality of devices 31-37 are connected, the controller 1 detects a change in on/off of a power supply of AV reproduction devices 31-34 on the basis of the presence/absence of input of an AV signal outputted from the AV reproduction devices 31-34 and commands the change of operations of prescribed devices 35-37 whose operation is to be changed attended with the change when the change is caused by the operation with respect to the remote control transmitter specific to each AV reproduction device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plurality of devices such as audio-visual (AV) devices connected to a control device, and a plurality of devices being operated in accordance with an operation of an information input device provided in the control device. The present invention relates to a centralized control system for a plurality of devices whose operation is controlled.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG.
(31), VCR (32), LD player (33), digital broadcast receiver (34), lighting equipment (35), AV amplifier (36), monitor device
A plurality of devices such as (37) are connected to a controller (4) comprising a microcomputer or the like, and the controller (4)
There has been proposed an audio / video control system (hereinafter, referred to as an AV control system) that can centrally operate the plurality of devices by using a touch panel input device (40) connected to the device.

In the above AV control system, a matrix switcher (2) is connected to a controller (4), and the matrix switcher (2) includes:
An AV input port (21) and an AV output port (22) for connecting an AV input terminal and an AV output terminal of each device are provided. An AV input port (21) includes a DVD player (31), a VCR (32), and an audio / video reproduction device (hereinafter, referred to as an AV reproduction device) capable of reproducing an AV signal.
An LD player (33) and a digital broadcast receiver (34) are connected, and the matrix switcher (2) operates based on an AV input switching signal supplied from the controller (4).
The AV input is switched to any one of the DVD player (31), VCR (32), LD player (33), and digital broadcast receiver (34). An AV amplifier (36) is connected to the AV output port (22).
And the monitor device (37) are connected, and the AV amplifier (36)
, An audio signal output from any of the AV playback devices is input, while a monitor device (37) receives an image signal output from any of the AV playback devices.

In the AV control system,
When the user operates the touch panel input device (40) to cause a predetermined device to execute a predetermined operation, the controller (4)
Supplies an AV input switching signal to the matrix switcher (2), the AV input of the switcher (2) is switched to an AV playback device included in the predetermined device, and
A control command for causing the predetermined devices to perform predetermined operations is transmitted from the controller (4), and those devices start operating. In this manner, the AV signal output from any one of the AV playback devices, the DVD player (31), the VCR (32), the LD player (33), and the digital broadcast receiver (34) is transmitted to the matrix switcher (2). AV after
The data is input to the amplifier (36) and the monitor device (37). As a result, the playback video of any one of the AV playback devices is displayed on the monitor device (37), and the playback audio is
It will be output from the amplifier (36).

For example, when a user performs an operation for displaying a reproduced image of the VCR (32) on the monitor device (37), the controller (4) sends an AV signal to the matrix switcher (2).
An AV input switching signal for switching the input to the VCR (32) is supplied, and a predetermined operation (VCR power on, VCR power on,
A control command for starting normal playback of the VCR, turning on the monitor device, and outputting audio is transmitted, and the playback image of the VCR (32) is displayed on the monitor device (37), and the playback audio is output to the AV device (37). Output from the amplifier (36).

The above-mentioned AV playback devices (31) to (34) are respectively
In addition to a remote control transmitter (hereinafter referred to as a remote control transmitter), the device itself has operation buttons specific to the device, and it is possible to operate each AV playback device individually by operating the remote control transmitter and operation buttons It is. By the way, as described above, in a state where a plurality of devices are performing a predetermined operation in response to an operation on the touch panel input device (40), a call is received, and in the event that some kind of emergency occurs, the user: AV playback equipment (31)-(34)
In some cases, the remote control transmitter or the operation button of the AV playback device is operated in order to stop the operation.

[0007]

However, in a conventional AV control system, for example, a VCR (3
While the reproduced image of 2) is displayed on the monitor device (37) and the reproduced sound is being output from the AV amplifier (36), the user operates the VCR (32) to stop the reproducing operation of the VCR (32).
When the remote control transmitter of (32) is operated, the reproduction operation of the VCR (32) is stopped, but the AV amplifier (36) and the monitor device
Since the operation of (37) is continued, a noise sound is emitted from the AV amplifier (36), and a noise screen without video is displayed on the monitor device (37). Thus, in the conventional AV control system, the touch panel input device (4
0) of the plurality of devices that are performing operations in response to the operation on (A), the remote control transmitter of which is operated by the user.
The operation of the V playback devices (31) to (34) is stopped, but since the operation on the remote control transmitter does not reach other devices,
The operation of other devices is continued and noise noise is emitted.
There is the above problem.

[0008] An object of the present invention is to provide a system in which the operation of a device connected to a control device changes in response to an operation on an individual information input device such as a remote control transmitter or operation buttons unique to each device. To provide a centralized control system for a plurality of devices that can automatically change the operation to a predetermined device whose operation should be changed in accordance with the change without performing further operation, and to solve the above problem. It is.

[0009]

In a centralized control system for a plurality of devices according to the present invention, an information input device is connected to a control device and a plurality of devices are connected, and each of the plurality of devices is a respective device. Has an individual information input device unique to the device. The control device includes: a determination unit configured to determine whether an operation of the connected device has changed in response to a user operation on the individual information input device; and a control unit configured to determine whether the operation of the device corresponds to the user operation on the individual information input device. Change instruction means for instructing one or more predetermined devices whose operation is to be changed in accordance with the change in the operation when the change is determined.

In the above-described centralized control system for a plurality of devices, the operation of the plurality of devices can be intensively operated by operating the information input device, and the operation of each device can be controlled by operating the individual information input device. It can be operated individually. In the centralized control system according to the present invention, it is determined whether or not the operation of the device connected to the control device has changed according to a user operation on the individual information input device, and the operation is performed in response to the user operation on the individual information input device. When it is determined that the change has occurred, the change is instructed to one or more predetermined devices whose operation is to be changed in accordance with the change. As a result, the operation of the predetermined one or a plurality of devices is changed.

For example, a plurality of devices connected to the control device include a VCR, an AV amplifier, and a monitor device.
Is displayed on the monitor device and the reproduced audio is output from the AV amplifier, and the user operates the VC
When the remote control transmitter of the VCR is operated to stop the playback operation of R, the VCR stops the playback operation. At this time, it is determined that the operation of the VCR has changed according to the operation on the individual information input device.
A command to stop the operation is given to the amplifier, and the monitor device and the AV amplifier stop operating. Therefore, the conventional AV
No noise is emitted from the AV amplifier unlike the control system, and no noise screen is displayed on the monitor device.

More specifically, the control device is further connected to operation command means for commanding a predetermined operation to one or a plurality of predetermined devices in response to a user operation on the information input device. Operation information storage means for storing operation information representing the operation state of each device for a plurality of devices, and operation information storage means for devices that have started executing a predetermined operation in response to a user operation on the information input device. Information updating means for updating the operation information stored in the device into operation information representing the predetermined operation, wherein the determination means changes the operation of the connected device in response to a user operation on the individual information input device. When judging whether or not the operation has been changed, the operation after the change is compared with the operation represented by the operation information stored in the operation information storage means. Operation of the equipment are determines to have changed in response to user operation on the individual information input device.

In the specific configuration, when the user operates the information input device, a predetermined operation is instructed from the operation command means to the predetermined device, and the operation information on the predetermined device is transmitted to the predetermined device. The operation information is updated to the operation information indicating the operation. On the other hand, when the user operates the individual information input device of any device, the operation information on the device is not updated. Therefore, when the operation after the change matches the operation represented by the operation information stored in the operation information storage means, it is determined that the operation of the connected device has changed according to the operation on the information input device. On the other hand, when the two operations do not match, it is determined that the operation of the connected device has changed according to the operation on the individual information input device.

Further, in the first specific configuration, the change command means of the control device commands a device executing a predetermined operation in response to a user operation on the information input device to stop the operation. .

In the first specific configuration, in a state where a plurality of predetermined devices are performing a predetermined operation in response to an operation on the information input device, the operation of the connected device is changed to an individual information input operation. When it changes in response to a user operation on the device, an operation stop command is issued to one or more of the predetermined plurality of devices, and the operation of those devices is stopped.

In the second specific configuration, the control device further includes, for each connected device, change information indicating a change mode of the operation of the device and the change information in the operation of the device. An operation change table is stored that includes, when there is a change that matches the represented change mode, operation change information for instructing a predetermined device whose operation should be changed in accordance with the change, to instruct the change. A table storage unit, wherein the change command unit determines whether there is a change in the operation of the connected device that matches a change mode represented by any change information stored in the operation change table. When it is determined that there is a change that matches a change mode represented by any of the change information, the change determining means instructs a predetermined device to change the operation based on the operation change information on the change information. It is composed of a command means for.

In the second specific configuration, it is determined whether or not a change in the operation of the connected device coincides with a change mode represented by any change information stored in the operation change table. When it is determined that there is a change that matches the change mode represented by any of the change information, a change in operation is instructed to a predetermined device based on the operation change information for the change information, and the predetermined change is performed. The operation of the device is changed according to the change command. In the specific configuration, various operation change commands are issued in accordance with whether the operation of any of the connected devices has changed and in what kind of change the operation of the device has changed. Accordingly, the operation of a predetermined device is changed according to each change command.

In the second specific configuration, the change information and the operation change information can be set, and the control device further converts the change information and the operation change information input by a user into the change information and the operation change information. An information processing means for storing in the operation change table is provided.

In the specific configuration, the user performs an operation of inputting change information and operation change information in advance when using the system. The input change information and operation change information are stored in the operation change table. Thereafter, when there is a change in the operation of the device connected to the control device that corresponds to the change mode represented by the change information input by the user as described above, a predetermined value is determined based on the operation change information for the change information. A change of operation is instructed to the device, and the operation of the predetermined device is changed according to the change command.

More specifically, the apparatus further comprises an image display device, and when the change command means instructs a predetermined device to change the operation, the control device sends the image display device to the image display device. Display instruction means for instructing the display to that effect.

In the specific configuration, the control device or the information input device includes the image display device. In the specific configuration, after the user operates the individual information input device of any device to change the operation of the device, the change is performed for a predetermined device whose operation is to be changed according to the change. When instructed, an instruction to that effect is issued to the image display device. As a result, the image display device displays a message indicating that a change in operation has been instructed to the predetermined device. By looking at the display, the user can know that the operation of the predetermined device changes, and a sense of relief can be obtained.

More specifically, the plurality of connected devices include an audio / video reproducing device capable of reproducing an AV signal including an audio signal and / or a video signal,
The control device includes an AV output from the audio / video reproduction device.
It is possible to input a signal, the determination means,
First determining means for determining whether the operation of the connected device has changed; and determining that the operation of the connected device has changed, the change being caused by a user operation on the individual information input device. And a second determining means for determining whether or not the first is determined, the first determining means,
The presence or absence of a change in the operation is determined based on the presence or absence of the input of the AV signal.

When the power of the AV playback device is off, A
Since no AV signal is output from the V playback device, no AV signal is input to the control device. On the other hand, when the power of the AV playback device is on, the AV signal is output from the AV playback device, and the AV signal is input to the control device. Therefore, when the state changes from the state where the AV signal is input to the state without the input, or the state where the input of the A signal is changed from the state without the input, the operation of the AV playback device changes between the power on and the power off. It is determined that it has been done.

[0024]

According to the centralized control system for a plurality of devices according to the present invention, the operation of the devices connected to the control device is
When a change is made in response to an operation on an individual information input device such as a remote control transmitter or an operation button unique to each device, the operation should be automatically changed in accordance with the change without the user's further operation. The operation can be changed by a predetermined device.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to an AV control system shown in FIG. 1 for a plurality of AV devices will be specifically described with reference to the drawings.
In the AV control system according to the present invention, as shown in FIG. 1, similarly to the conventional AV control system, a controller including a microcomputer or the like is used.
(1) DVD player (31), VCR (32), LD player (33), digital broadcast receiver (34), lighting equipment (35), AV
A plurality of devices such as an amplifier (36) and a monitor device (37) are connected, and the plurality of devices are connected using a touch panel input device (10) as an information input device connected to the controller (1). It is possible to centrally control and operate the devices.
The touch panel input device (10) incorporates a microcomputer and executes image display control on an image display surface and communication processing with the controller (1). The DVD player (31), VCR (32), LD player (33), and digital broadcast receiver (34) each include a remote control transmitter (all not shown) as an individual information input device, and a device. The main unit is equipped with device-specific operation buttons, and each device can be individually operated by operating a remote control transmitter or operation buttons.

In the above AV control system, a matrix switcher (2) is connected to the controller (1), and the matrix switcher (2) includes:
An AV input port (21) and an AV output port (22) for connecting an AV input terminal and an AV output terminal of each device are provided.

The AV input port (21) includes a DVD player (31), a VCR (32), and an LD player as AV playback devices.
(33) and a digital broadcast receiver (34) are connected, and the matrix switcher (2) switches the AV input to D based on the AV input switching signal supplied from the controller (1).
Switch to any one of the VD player (31), VCR (32), LD player (33) and digital broadcast receiver (34).

An AV amplifier (36) is connected to the AV output port (22).
And the monitor device (37) are connected, and the AV amplifier (36)
, An audio signal output from any of the AV playback devices is input, while a monitor device (37) receives an image signal output from any of the AV playback devices.
The monitor device (37) is connected to the controller (1), and an image signal described later is supplied from the controller (1) to the monitor device (37). The AV output port (22) is connected to the controller (1).
In (1), an AV signal output from any one of the plurality of AV playback devices (31) to (34) is input.

FIG. 2 shows the configuration of the controller (1). In the controller (1) according to the present invention, the AV signal output from any of the AV playback devices (31) to (34) as described above is input to the on / off determination circuit (11).
An on / off determining circuit (11) determines on / off of the power of the AV playback device based on the presence / absence of the input of the AV signal.
An on / off code indicating on / off of the power of the V playback device is supplied to the control circuit (12). The control circuit (12) determines, based on the on / off code, whether the connection state of the AV playback device is normal or abnormal, and whether or not the power supply of the AV playback device has been switched, as described later. The touch panel input device (10) and the memory (13) described above are connected to the control circuit (12),
The memory (13) stores the on / off code output from the on / off discrimination circuit (11), a device operation state table, and an operation change table described later.

The procedure for determining the ON / OFF determination circuit (11) will be described. When the power of the AV playback device is off, no AV signal is output from the AV playback device, and thus no AV signal is input to the on / off determination circuit (11). On the other hand, when the power of the AV
An AV signal is output from the playback device, and the AV signal is input to a power ON / OFF determination circuit (11). Therefore, when there is no input of the AV signal, the on / off determining circuit (11) determines that the power is off and supplies the on / off code “0” to the control circuit (12), while the on / off determining circuit (11) outputs the AV signal. When there is a signal input, it is determined that the power is on, and an on / off code “1” is supplied to the control circuit (12).

In the above AV control system, when a user operates a touch panel input device (10) to cause a predetermined device to execute a predetermined operation, a conventional AV control system is operated.
Similarly to the control system, an AV input switching signal is supplied from the controller (1) to the matrix switcher (2), and the AV input of the switcher (2) is included in the predetermined devices. At the same time, the control command is transmitted from the controller (1) to the predetermined device to perform a predetermined operation, and the predetermined device starts operating.

For example, when the user performs an operation for displaying a reproduced image of the VCR (32) on the monitor device (37), an AV input switch for switching the AV input to the VCR (32) to the matrix switcher (2). A signal is supplied, and a predetermined operation (VCR power ON, VCR normal reproduction start, audio output, monitor device power ON, lighting) for predetermined equipment (VCR, AV amplifier, monitor device, lighting device) A control command for performing (reducing the illuminance of the device) is transmitted, the reproduced image of the VCR (32) is displayed on the monitor device (37), and the reproduced sound is output from the AV amplifier (36). The illuminance of the device (35) decreases.

When the user operates the touch panel input device (10) to check whether the connection status of the AV playback devices (31) to (34) is normal or abnormal, first, the matrix switcher is operated.
An AV input switching signal for switching the AV input to the DVD player (31) is supplied to (2),
A control command is transmitted to the player (31) to switch on the power and to perform a reproducing operation. At this time, if the ON / OFF code output from the ON / OFF determination circuit (11) of the controller (1) is "1", it is determined that the connection state is normal, while the ON / OFF code is If it is “0”, it is determined that the connection state is abnormal. Subsequently, the AV input of the matrix switcher (2) is switched in the order of the VCR (32), the LD player (33) and the digital broadcast receiver (34), and the normal / abnormal connection state of each device is determined, When the determination for all the AV playback devices is completed, an image signal representing the determination result is supplied to the monitor device (37), and the determination result is transmitted to the monitor device (37).
Will be displayed. The operation so far is well known.

The controller (1) according to the present invention operates when the power of the AV playback device is switched from on to off and off to on in response to an operation on a remote control transmitter or an operation button unique to the AV playback device. It has an automatic change command function that commands the change to a predetermined device whose operation should be changed with the switching of the power supply, and the memory (13)
3 stores a device operation state table as shown in FIG. 3A and an operation change table as shown in FIG.

The device operation status table shown in FIG. 3A includes an AV input port (21) of the matrix switcher (2).
, A device name of the AV playback device connected to each terminal, and operation information indicating an operation state of each AV playback device. As described later, the control circuit (12)
When the power of the V playback device is switched between on and off, it is determined based on the table whether or not the switching is caused by an operation on a remote control transmitter or an operation button.

On the other hand, the operation change table shown in FIG.
An item number write column, a change information field, and an operation change information field are provided. The item number write column has numbers sequentially assigned to information described later written in the change information field and the operation change information field. Is stored.

In the change information field, change information indicating the switching mode of the power supply of the AV playback device, specifically,
Stored are the name of the AV playback device, pre-change state information indicating the power state before the power of the device is switched, and post-change state information indicating the power state after the switch.
In the operation change information field, when there is a switch represented by the change information in the power supply of the AV playback device, an operation change for instructing a predetermined device whose operation is to be changed in accordance with the change is performed. Information, specifically, the device names of one or more devices to be commanded to change the operation and change command information for commanding each device to change the operation are stored. The control circuit (12) transmits a control command for causing a predetermined device to change its operation based on the table, as described later.

The user operates the controller (1) according to the present invention.
When using the automatic change command function described above, when the change information indicating the switching mode of the power supply of the AV playback device and the power supply of the AV playback device are switched in advance,
An operation for inputting operation change information for commanding the change to a predetermined device whose operation is to be changed in accordance with the switching is performed. The change information and the operation change information thus input are written in the operation change table shown in FIG. For example, when the power supply of the VCR (32) is switched from on to off, the power supply of the AV amplifier (36) and the monitor device (37) is switched from on to off, and the lighting equipment (35) is not turned on at the highest illuminance. In this case, as the change information, the device name “VCR”, the state information before the change “power on”, the state information after the change “power off”, and the operation change information as the device name “lighting device” and the change command information “highest illuminance ”, Device name“ AV
"Amplifier" and change command information "power off", device name "monitor device", and change command information "power off" are input.

In response to a user operation on the touch panel input device (10), while the predetermined device is performing a predetermined operation, the user turns off the power of the AV playback device performing the operation from on to off. When a remote control transmitter unique to the device is operated to switch, the power of the AV playback device is switched from on to off. When change information indicating a mode in which the power of the AV playback device is switched from on to off is stored in the operation change table shown in FIG. 4, the change information is written in the device name column of the operation change information for the change information. A control command corresponding to the change command information written in the change command information column is transmitted to the predetermined devices, and the devices change their operations according to the control command. Further, an image display command for causing the touch panel input device (10) to perform a display to the effect that the predetermined device has been commanded to change the operation is transmitted, and is displayed on the image display surface of the touch panel input device (10). A message to that effect is displayed.

As described above, the reproduced image of the VCR (32) is displayed on the monitor device (37), and the reproduced sound is reproduced by the AV amplifier (3).
With the output from 6), the user, for example,
To switch the power of (32) from on to off, VCR (3
When the remote control transmitter of 2) is operated, the power of the VCR (32) is switched from on to off. Here, the operation change table shown in FIG. 4 stores change information indicating a mode in which the power of the VCR (32) is switched from on to off. Therefore, based on the operation change information about the change information, the operation of a predetermined device (lighting device, AV amplifier, monitor device) is changed (the illuminance of the lighting device is maximum, the power of the AV amplifier is turned off,
A control command for causing the power of the monitor device to be turned off) is transmitted. As a result, the power of the AV amplifier (36) and the monitor device (37) is switched from on to off,
The lighting device (35) will be turned on with the highest illuminance. or,
An image display command is transmitted to the touch panel input device (10), and the AV amplifier (36), the monitor device (37), and the lighting device
(35) indicates that the operation change has been instructed.
0) will be displayed on the operation screen.

FIG. 5 shows a control circuit (12) of the controller (1).
3 shows a device control procedure executed by the device. First, in step S1, it is determined whether an ON command has been received from the touch panel input device (10). Here, if the user operates the touch panel input device (10) to cause a predetermined device to execute a predetermined operation, it is determined to be YES, and the process proceeds to step S2. On the other hand, if it is determined NO in step S1, the same determination is repeated in step S1.

In step S2, the prohibition flag is set to "1". Thereafter, in step S3, an AV input switching signal is transmitted to the matrix switcher (2), and a predetermined operation is performed toward the predetermined device. Send a control command for closing. As a result, the AV input of the matrix switcher (2) is connected to the A
Upon switching to the V playback device, the predetermined device starts a predetermined operation.

Subsequently, in step S4, the predetermined AV
For the playback device, the operation information stored in the device operation state table as shown in FIG. 3A is rewritten to the operation information indicating the predetermined operation, and the device operation state table is updated. For example, when the VCR (32) changes from the reproduction operation state to the power-off state in response to an operation on the touch panel input device (10), the operation state of the VCR (32) becomes "power supply" as shown in FIG. Rewritten to "off". Thereafter, in step S5 of FIG. 5, the prohibition flag is rewritten to "0", and the process returns to step S1.

In the AV control system according to the present invention, when the user operates the touch panel input device (10) to cause a predetermined device to execute a predetermined operation, the AV input of the matrix switcher (2) is performed according to the above procedure. Is switched to an AV playback device included in the predetermined device, and the predetermined device executes a predetermined operation.

FIG. 6 shows a device operation change procedure executed by the control circuit (12). The control circuit (1
2) has a built-in time counter. First, in step S11, it is determined whether or not the prohibition flag is “0”. Here, when the device control procedure shown in FIG. 5 is executed in response to a user operation on the touch panel input device (10), since the prohibition flag is set to “1” as described above, it is determined to be no. The same determination is repeated in step S11. On the other hand, if the device control procedure shown in FIG. 5 has not been executed, the determination is YES in step S11 in FIG. 6, and the process proceeds to step S12, where the time counter value t is initialized to zero. , The time counter value t is counted up.

Next, in step S14, it is determined whether or not the time counter value t is a predetermined value T. If the determination is no, the process returns to step S13 to repeat the count up. When T seconds have elapsed since the time counter value t was initialized, the time counter value t becomes the predetermined value T, and the determination in step S14 is YES, and the determination in step S15 is YES.
To the previous ON / OFF state stored in the memory (13).
It is determined whether the off code matches the current on / off code.

When the power of the AV playback device whose AV input of the matrix switcher (2) is switched from on to off or from off to on, the previous on / off code and the current on / off code are output. The / off codes do not match, and the determination in step S15 is NO, and the process proceeds to step S16. On the other hand, step S15
If it is determined that the answer is yes, the process returns to step S11.

In step S16, it is determined whether the operation state (power ON / OFF state) of the AV playback device matches the operation state represented by the operation information stored in the device operation state table shown in FIG. Determine whether or not. Here, when the power supply of the AV playback device is switched in response to the operation on the touch panel input device (10), as described above, step S of FIG.
Since the operation information is rewritten in step 4, the two operation states match, and the determination is yes, and the process returns to step S11.

On the other hand, when the power of the AV
If the switching has been performed in response to an operation on the remote control transmitter or the operation button specific to the playback device, step S16
Is determined to be NO, the process proceeds to step S17, and FIG.
It is determined whether or not change information indicating the switching mode of the power supply of the AV playback device is stored in the operation change table shown in FIG.
Return to 11.

On the other hand, if the operation change table shown in FIG. 4 stores change information indicating the switching mode of the power supply of the AV playback device, it is determined as YES in step S17 and the process proceeds to step S18. Then, a control command corresponding to the change command information written in the change command information column is transmitted to a predetermined device written in the device name column of the operation change information for the change information. As a result, the operation of those predetermined devices is changed.
Subsequently, in step S19, an image display command is transmitted to the touch panel input device (10). As a result, on the image display surface of the touch panel input device (10), it is displayed that the predetermined device has been instructed to change the operation. Thereafter, in step S20, in the device operation state table shown in FIG. 3A, the operation information on the AV playback device is rewritten with operation information indicating the operation state after the power is switched, and the table is updated. , Step S11
Return to For example, when the power of the VCR (32) is switched from on to off, the operation state of the VCR (32) is rewritten to "power off" as shown in FIG.

In the AV control system according to the present invention, when a user operates a remote control transmitter specific to an AV playback device and the power of the AV playback device is switched between on and off, the above procedure is performed. A change is instructed to a predetermined device whose operation is to be changed with the turning on / off of the power supply, and the operation of the predetermined device is changed.

In the AV control system according to the present invention, for example, when the power supply of the VCR (23) is switched from on to off, the AV amplifier (36) and the monitor device (37)
If the change information and the operation change information for turning off the power of the VCR (32) are input, even if the user operates the remote control transmitter of the VCR (32) so as to turn off the power of the VCR (32), the VCR ( 32) Not only does the power switch off, but also the AV amplifier (36) and monitor (37) automatically
Since the power supply is turned off, no noise sound is emitted from the AV amplifier (36) unlike the conventional AV control system, and no noise screen is displayed on the monitor device (37).

Further, in the AV control system according to the present invention, after the user operates the remote control transmitter or the operation button of the AV reproducing device to switch the power supply of the AV reproducing device, the operation is performed in accordance with the switching. When a change is instructed to a predetermined device to be changed, the fact is displayed on the image display surface of the touch panel input device (10) as described above. By looking at the display, the user can know that the operation of the predetermined device changes, and can get a sense of relief.

The configuration of each part of the present invention is not limited to the above-described embodiment, and various modifications can be made within the technical scope described in the claims. For example, in the above embodiment, whether the power of the AV playback device is ON or OFF is determined based on the presence or absence of the input of the AV signal output from the AV playback device, and the operation of the AV playback device is determined. Although the configuration for detecting the change is employed, the present invention is not limited to this, and the change in the operation is detected by determining whether the AV playback device is in the playback state or the stop state based on the presence or absence of the input of the AV signal. AV based on the configuration and the fluctuation state of the signal level of the video signal
It is also possible to adopt a configuration in which it is determined whether the playback device is in a playback state, a fast-forward state, a rewind state, or a stop state to detect a change in operation.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of an AV control system embodying the present invention.

FIG. 2 is a block diagram illustrating a configuration of a controller according to the present invention.

FIG. 3 is a diagram illustrating an example in which the contents of a device operation state table have changed.

FIG. 4 is a diagram showing an operation change table according to the present invention.

FIG. 5 is a flowchart showing a device control procedure executed by the control circuit of the controller according to the present invention.

FIG. 6 is a flowchart showing a device operation change procedure executed by the control circuit of the above.

FIG. 7 is a block diagram illustrating a configuration of a conventional AV control system.

[Explanation of symbols]

 (1) Controller (10) Touch panel input device (2) Matrix switcher (31) DVD player (32) VCR (33) LD player (34) Digital broadcast receiver (35) Lighting equipment (36) AV amplifier (37) Monitor apparatus

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04Q 9/02 H04N 5/91 LF term (Reference) 5C025 AA23 AA30 DA08 5C053 FA21 KA24 LA06 LA07 LA14 5C056 AA05 AA07 BA01 BA08 BA10 CA06 CA08 CA11 CA13 CA20 DA06 DA11 EA05 EA06 5K048 AA06 BA02 DA02 EB02 EB12 EB15 HA04 HA06 HA21

Claims (7)

[Claims] An information input device is connected to a control device, and a plurality of devices are connected to control the operation of the plurality of devices in accordance with the operation of the information input device. In a centralized control system of multiple devices, each of which has an individual information input device unique to each device, and the operation of each device is individually controlled according to the operation of the individual information input device,
The control device includes: a determination unit configured to determine whether an operation of the connected device has changed in response to a user operation on the individual information input device; and a control device configured to change the operation of the device in response to the user operation on the individual information input device. When it is determined that the change has been made, the change command means for commanding the change to one or more predetermined devices whose operation is to be changed in accordance with the change of the operation is provided. Centralized control system for equipment. 2. The control device further comprises: operation command means for commanding a predetermined operation to one or a plurality of predetermined devices in accordance with a user operation on the information input device; An operation information storage unit that stores operation information indicating an operation state of each device, and an operation information storage unit that starts execution of a predetermined operation in response to a user operation on the information input device. Information updating means for updating the operation information being connected to operation information representing the predetermined operation, wherein the determination means determines whether or not the operation of the connected device has changed in response to a user operation on the individual information input device. When determining whether or not the operation after the change and the operation represented by the operation information stored in the operation information storage means are different from each other, The centralized control system for a plurality of devices according to claim 1, wherein it is determined that the operation has changed in response to a user operation on the individual information input device. 3. The apparatus according to claim 2, wherein the change command means of the control device instructs the device executing a predetermined operation in response to a user operation on the information input device to stop the operation. Central control system. 4. The control device further includes, for each connected device, change information indicating a change mode of the operation of the device, and change corresponding to a change mode of the operation of the device corresponding to the change mode indicated by the change information. And a table storing means for storing an operation change table including operation change information for instructing a predetermined device whose operation is to be changed in accordance with the change when the change is performed. Means for determining whether or not there is a change in the operation of the connected device that matches a change mode represented by any of the change information stored in the operation change table; Command means for instructing a predetermined device to change the operation based on the operation change information on the change information when it is determined that there is a change corresponding to the change mode represented by the information. Claim 1 or Claim 2
2. A centralized control system for a plurality of devices according to [1]. 5. The information processing apparatus according to claim 1, wherein the change information and the operation change information can be set, and the control device further stores the change information and the operation change information input by a user in the operation change table. 5. A centralized control system for a plurality of devices according to claim 4, comprising means. 6. An image display device, wherein the control device instructs the image display device to display a change to a predetermined device when the change command means instructs a predetermined device to change the operation. The centralized control system for a plurality of devices according to any one of claims 1 to 5, further comprising a display instruction means for performing the operation. 7. A plurality of connected devices include an audio / video reproduction device capable of reproducing an AV signal including an audio signal and / or a video signal, and the control device includes:
An AV signal output from an audio / video reproducing device can be input, and the determining unit is connected to a first determining unit that determines whether an operation of the connected device has changed. When it is determined that the operation of the device has changed, the second determining means determines whether or not the change has been caused by a user operation on the individual information input device. The centralized control system for a plurality of devices according to any one of claims 1 to 6, wherein the controller determines whether there is a change in operation based on whether an AV signal is input.