JP2002315072A - Display with control functions - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem of the conventional display having to be operated by a remote control transmitter for external apparatus connected to the display after taking it up, for the connected external apparatus the displaying menu, etc., to operate by itself, thus resulting in troublesome operation. SOLUTION: The display 101 comprises a video display unit 102, a video signal switch 104, a system controller 105, a remote control signal distributor 106, a remote control receiver 107, a tuner 108, a plurality of video input terminals 109 and an external interface(I/F) 110. When a video signal of an external apparatus 121 is selected, the system controller 105 instructs the signal distributor 106 to transmit a specified remote control signal to the external apparatus 121 via the IF 110, so that a remote controller 131 for the display 101 is enabled to operate the menu of the external apparatus 121.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device which displays a video signal from an external device and can be controlled by the external device.

[0002]

2. Description of the Related Art In recent years, a variety of video-related devices such as a DVD (Digital Versatile Disc) have been added to conventional video recorders in addition to conventional video recorders. In this case, a plurality of video-related devices are connected to one display device, and the number of opportunities for utilizing the devices is increasing.

The operation of the system when an external device having a function of outputting an image to one display device is connected will be described below.

FIG. 4 is a block diagram showing a case where an external device having a function of outputting an image is connected to a conventional display device.

In FIG. 4, a display device 401 is shown.
Has a tuner 108 therein and a plurality of external video input terminals 109. The user is an external device 4
When the user wants to view the video of 21, the display device 40
A remote control signal for instructing video input switching is transmitted using a remote control transmitter 431 attached to the remote controller 1. When the display device 401 receives the remote control signal by the remote control receiving unit 407 and passes the remote control signal to the system control unit 405, the system control unit 405 instructs the video signal switching unit 104 to select a video from an external device. . By these operations, the video signal from the external device is displayed on the video display unit 10.
2 and the user can see the image of the external device.

On the other hand, in order for the user to operate the external device 421, the remote control transmitter 141 attached to the external device 421 is operated.
Is used. The external device 421 is connected to the video output circuit 12.
2, a menu generation unit 123, a system control unit 424, and a remote control reception unit 127, and transmits a remote control signal from the remote control transmitter 141 to the system control unit 424 via the remote control reception unit 127, and the system control unit 424 The external device 421 such as control of menu display (generation) in the menu generation unit 123 and control of the video output circuit 122 is operated according to the content of the signal.

In a very recent product, a menu for controlling an external device is displayed on a display device,
Some devices that can control external devices by operating this menu have appeared.

FIG. 5 shows a menu for controlling an external device on the display device as described above, and an external device having a function of outputting an image to a display device capable of controlling the external device. FIG. 3 is a block diagram showing a case where the connection is made.

In FIG. 5, a display device 501 is shown.
Has a tuner 108 therein and a plurality of external video input terminals 109. If the user has an external device 5
When the user wants to view the video of 21, the display device 50
A remote control signal for instructing video input switching is transmitted using the remote control transmitter 531 attached to the remote controller 1. When the display device 501 receives the remote control signal by the remote control receiving unit 507 and passes the remote control signal to the system control unit 505, the system control unit 505 instructs the video signal switching unit 104 to select the video from the external device 521. I do. With these operations, the video signal from the external device 521 reaches the video display unit 102, and the user can view the video of the external device 521.

On the other hand, when the user operates the external device 521, a remote control signal for instructing to display a menu for controlling the external device 521 is transmitted using a remote control transmitter 531 attached to the display device 501. The display device 501 transmits the remote control signal to the remote control receiving unit 1.
07, and receives the remote control signal from the system controller 50.
5, the system control unit 505 causes the menu generation unit 5
03 is instructed to display a menu for operating the external device 521.
A predetermined menu is superimposed on the video signal and displayed on the video display unit 102. The user selects the content to be operated from the menu items displayed with the arrow keys of the remote control transmitter 531 while viewing the displayed menu, and selects the content to be operated.
Press the 1 decision key. The system control unit 505 transmits a control command corresponding to the determined content to the external device 521 via the external interface 510. The external device 521 transmits the control command to the external interface 52.
6 and transmits the contents to the system control unit 524. By these operations, the operation selected by the user on the menu of the display device 501 is reflected on the external device 521.

An external interface 510 of the display device 501 is a remote control light emitting unit for transmitting a remote control signal, and an external interface 526 of the external device 521 is a remote control receiving unit for receiving a remote control of a remote control transmitter 141 attached to the external device. Remote control receiving unit 12
7 may also be used.

In recent years, bidirectional buses such as an IEEE 1394 bus have also become available.
26.

In the combination of the conventional display device and the external device shown in FIG. 4, it is necessary to use a remote control attached to the device to be operated,
When the number of external devices increases, a large number of remote controllers must be changed according to the situation, which makes the operation complicated and inconvenient.

On the other hand, in the case of the combination of the display device and the external device shown in FIG. 5, many operations can be performed with the remote controller 531 attached to the display device 501, and the user can frequently change the remote controller to operate. Therefore, the operability can be improved.

[0015]

The above-described menu items that can be displayed on the display device 501 often have a common function provided in any device.
This is because menu items must be incorporated in the display device 501 in advance, and a common function is selected and provided so as to be commonly used by many external devices. For video recorders, etc., if basic operations such as playback and stop, which are common functions for all models, can be operated from this menu, ordinary operations will not be troubled, and only common menu items will be sufficient It is practical.

However, in recent DVD reproducing devices and the like,
Although the external device itself displays the menu, the content of the DVD itself having the menu is increasing. In this way, if the video output from the external device already contains a menu, it cannot be operated using the menu on the display device or the remote control transmitter. Operability is not improved much after all.

An object of the present invention is to solve the above problems and to provide a display device which allows a user to operate a menu including a menu displayed by an external device without holding a remote control transmitter. .

[0018]

According to a first aspect of the present invention, there is provided a display apparatus for selecting and displaying one of a plurality of video signals including an external video signal. A signal switching unit, a video display unit that displays a video signal selected by the video signal switching unit, a remote control receiving unit that receives a remote control signal, a remote control signal distribution unit that distributes the received remote control signal, and the video signal A system control unit that controls a switching unit and the remote control signal delivery unit; and an external interface that sends out a remote control signal delivered from the remote control signal delivery unit to the outside. The video signal switching unit includes an external video signal. When is selected and displayed, the specific remote control signal that has been negotiated in advance is controlled by the external device that is outputting the video signal. And outputs Te.

A display device according to a second aspect of the present invention includes a video signal switching unit for selecting and displaying one from a plurality of video signals including an external video signal, and the video signal switching unit. A video display unit for displaying the selected video signal, a remote control receiving unit for receiving a remote control signal, a remote control signal distribution unit for distributing the received remote control signal, and controlling the video signal switching unit and the remote control signal distribution unit A system control unit, and an external interface for transmitting a remote control signal delivered from the remote control signal delivery unit to the outside, receiving an external device state and transmitting the status to the system control unit, Selects and displays an external video signal, and pre-determines a specific remote control from an external device that outputs video. When the operation by the tone signal is received to be valid, the for certain remote control signal, and outputs to an external device that outputs a video signal.

Further, a display device according to a third aspect of the present invention includes a video signal switching unit for selecting and displaying one of a plurality of video signals including a video signal from the outside; A menu generation unit that superimposes the menu image on the video signal selected by the video signal switching unit, a video display unit that displays the video signal that has passed through the menu generation unit, and a remote control reception unit that receives a remote control signal, A remote control signal delivery unit for delivering the received remote control signal, a system control unit for controlling the video signal switching unit and the remote control signal delivery unit, and a remote control signal delivered from the remote control signal delivery unit, and An external interface for receiving the status of an external device and transmitting the status to the system control unit; When the image signal is selected and displayed, and when it is received from the external device outputting the image that the operation by the predetermined remote control signal is valid, the menu signal is generated by the menu generating unit. When the menu is displayed, the menu is deleted, and the specific remote control signal is output to an external device that outputs a video signal.

[0021]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1 is a block diagram showing a configuration of a display device with a control function (hereinafter, simply referred to as a display device) according to Embodiment 1 of the present invention.

In FIG. 1, reference numeral 101 denotes a display device according to the first embodiment of the present invention. In order to explain the operation of the display device 101, an example of an external device capable of outputting a video signal having a configuration of 121 will be described. It is described as.

The display device 101 shown in FIG. 1 includes a video display unit 102, a video signal switching unit 104, a system control unit 1
05, remote control signal distribution unit 106, remote control reception unit 10
7, a tuner 108, a plurality of video input terminals 109, and an external interface (I / F) 110.

The external device 1 shown as an example in FIG.
21 is a video output circuit 122, a menu generation unit 123,
It comprises a system control section 124, a video output terminal 125, and an external interface (I / F) 126.

The operation of the display device according to the first embodiment configured as described above will be described. The video signal switching unit 104 switches between a video signal from the built-in tuner 108 and a video signal input from a video input terminal according to an instruction from the system control unit 105, and the video display unit 102 displays the selected video signal. On the other hand, the remote control signal from the remote control transmitter 131 attached to the display device 101 is received by the remote control receiving unit 107 of the display device 101 and then transmitted to the remote control signal distribution unit 106. The remote control signal distribution unit 106 transmits the remote control signal received from the remote control receiving unit 107 to the system control unit 105 or the external interface 110 according to the instruction of the system control unit 105.

Here, when the system control unit 105 instructs the video signal switching unit 104 to select the video signal of the external device 121, the remote control signal distribution unit 10
6 is instructed to transmit a specific remote control signal predetermined with the external device 121 to the external interface 110. The remote control signal delivery unit 106 normally transmits the remote control signal received from the remote control reception unit 107 to the system control unit 105, but when the system control unit 105 instructs the transmission to the external interface 110 as described above, Transmits a predetermined remote control signal to the external interface 110. The external interface 110 is connected to the remote control signal distribution unit 106
Is transmitted to the external device 121.

The external device 121 receives a remote control signal through the external interface 126 and transmits the signal to the system control unit 124. The system control unit 124 that has received the remote control signal interprets the content of the remote control signal and operates the external device 121 according to the content.

With the above arrangement, when the specific remote control signal determined in advance is a signal for moving the pointer of the menu up, down, left and right or a remote control signal for determining the item pointed by the pointer, ,
Remote control transmitter 131 attached to display device 101
, The menu screen output from the external device 121 can be operated.

If the specific remote control signal determined in advance is a remote control signal designating a numerical value from 0 to 9, the remote control transmitter 131 attached to the display device 101 is used to perform a menu operation as described above. The screen operation is possible, and for example, when the external device 121 is a disk reproducing device, an operation for specifying a track number of a medium to be reproduced is also possible.

If the predetermined remote control signal is a remote control signal designating media control such as reproduction, stop, pause, skip, search, etc., the remote control signal attached to the display apparatus 101 is transmitted. For example, when the external device 121 is a disk reproducing device using the device 131, a disk reproducing operation can be performed.

Since the above-mentioned operation is common to many devices, the remote controller transmitter 131 attached to the display device 101 has up / down / left / right keys for moving a menu pointer, and a menu pointer. It is preferable to provide a decision key for deciding the item designated by the user and a numeric keypad for designating a numerical value. Further, it is more preferable to have a remote control key for designating media control such as play, stop, pause, skip, search, and the like.

Note that, even when the external device 121 is being viewed, if there is a high-priority process on the display device 101 side, the system control unit 105 sends a predetermined specific Even a remote control signal may be instructed to be delivered to the system control unit 105 instead of the external interface 110.

(Embodiment 2) FIG. 2 is a block diagram showing the configuration of a display device with a control function (hereinafter simply referred to as a display device) according to Embodiment 2 of the present invention.

In FIG. 2, reference numeral 201 denotes a display device according to the second embodiment. In order to explain the operation of the display device 201, an external device having a configuration 121 and capable of outputting a video signal is described as an example. ing.

The display device 201 shown in FIG. 2 includes a video display unit 102, a video signal switching unit 104, a system control unit 2
05, remote control signal distribution unit 106, remote control reception unit 10
7, a tuner 108, a plurality of video input terminals 109, and an external interface (I / F) 210.

The external device 1 shown as an example in FIG.
21 is the same as the configuration of the external device 121 described in the first embodiment.

The operation of the display device according to the second embodiment configured as described above will be described. The video signal switching unit 104 includes a video signal from the built-in tuner 108,
The video signal input from the video input terminal 109 is switched according to an instruction from the system control unit 205, and the video display unit 102 displays the selected video signal. On the other hand, the remote control signal from the remote control transmitter 131 attached to the display device 201 is received by the remote control receiving unit 107 of the display device 201 and then transmitted to the remote control signal distribution unit 106. The remote control signal delivery unit 106 transmits the remote control signal received from the remote control reception unit 107 to the system control unit 205 or the external interface 210 according to the instruction of the system control unit 205. When receiving the information from the external device 121, the external interface 210 transmits this information to the system control unit 205.

Here, the system control unit 205 instructs the video signal switching unit 104 to select the video signal of the external device 121, and uses a specific remote control signal determined in advance by the external device 121. Information indicating that the operation is valid is transmitted to the external interface 21.
0, the remote control signal distribution unit 1
06 is instructed to transmit a specific remote control signal predetermined with the external device 121 to the external interface 110. The remote control signal delivery unit 106 transmits the remote control signal received from the normal remote control reception unit 107 to the system control unit 205, but when the system control unit 205 instructs the transmission to the external interface 210 as described above. Transmits a predetermined remote control signal to the external interface 210. The external interface 210 is connected to the remote control signal distribution unit 10.
6 is transmitted to the external device 121.

The external device 121 receives a remote control signal through the external interface 126 and transmits the signal to the system control unit 124. The system control unit 124 that has received the remote control signal interprets the content of the remote control signal and operates the external device 121 according to the content.

According to the above arrangement, when the predetermined remote control signal is a signal for moving the menu pointer up, down, left and right, or a remote control signal for determining the item pointed by the pointer, ,
Remote control transmitter 131 attached to display device 201
, The menu screen output from the external device 121 can be operated.

When the predetermined remote control signal is a remote control signal designating a numerical value from 0 to 9, a menu screen is displayed using the remote control transmitter 131 attached to the display device 201 as in the previous case. In addition to the operation, when the external device 121 is a disk reproducing device, for example, an operation for specifying a track number of a medium to be reproduced is also possible.

If the predetermined remote control signal is a remote control signal for designating media control such as playback, stop, pause, skip, search, etc., the remote control signal attached to the display device 201 is transmitted. For example, when the external device 121 is a disk reproducing device using the device 131, a disk reproducing operation can be performed.

Since the above-described operation is common to many devices, the remote controller transmitter 131 attached to the display device 201 has up / down / left / right keys for moving a menu pointer, and a menu pointer. It is preferable to provide a decision key for deciding the item designated by the user and a numeric keypad for designating a numerical value. Further, it is more preferable to have a remote control key for designating media control such as play, stop, pause, skip, search, and the like.

In the second embodiment, the external device 12
1 to determine whether or not to transmit a remote control signal to the external device 121.
Is performed based on the information as to whether or not the operation by the remote control signal is valid. Therefore, when the operation is disabled by the external device 121, the operation on the display device side can be enabled.
Does not occupy the external interface 126.

It should be noted that even if the user is watching the external device 121 and the operation by the specific remote control signal determined in advance by the external device 121 is valid, the display device 201 performs high-priority processing. In some cases, the system control unit 205
6 may be instructed to deliver a predetermined remote control signal to the system control unit 205 instead of the external interface 210.

(Embodiment 3) FIG. 3 is a block diagram showing a configuration of a display device with a control function (hereinafter, simply referred to as a display device) according to Embodiment 3 of the present invention.

In FIG. 3, reference numeral 301 denotes a display device according to the third embodiment. In order to explain the operation of the display device 301, an external device having a configuration 121 and capable of outputting a video signal is described as an example. ing.

The display device 301 shown in FIG. 3 includes a video display unit 102, a menu generation unit 303, and a video signal switching unit 1.
04, system control unit 305, remote control signal distribution unit 10
6. Remote control receiver 107, tuner 108, multiple video input terminals 109, external interface (I / F) 3.
It consists of ten.

The external device 1 shown as an example in FIG.
21 is the same as the configuration of the external device 121 described in the first embodiment.

The operation of the display device having the above-described configuration according to the third embodiment of the present invention will be described.
The video signal switching unit 104 switches the video signal from the built-in tuner 108 and the video signal input from the video input terminal 109 according to the instruction from the system control unit 305, and the menu generation unit 303 switches the selected video signal to the system control unit. The menu is superimposed according to the instruction of 305 and displayed on the video display unit 102. On the other hand, the remote control signal from the remote control transmitter 131 attached to the display device 301 is received by the remote control receiving unit 107 of the display device 301 and then transmitted to the remote control signal distribution unit 106. The remote control signal delivery unit 106 transmits the remote control signal received from the remote control receiving unit 107 to the system control unit 305 or the external interface 310 according to the instruction of the system control unit 305. In addition, the external interface 310
When the information is received from the external device 121, the information is transmitted to the system control unit 305.

Here, the system control unit 305 instructs the video signal switching unit 104 to select the video signal of the external device 121, and uses a specific remote control signal determined in advance by the external device 121. The information that the operation is valid is transmitted to the external interface
When the menu is displayed, the menu generation unit 303 is instructed to delete the displayed menu if the menu is being displayed, and the remote control signal distribution unit 106 is instructed to communicate with the external device 121. An instruction is given to transmit a predetermined remote control signal to the external interface 310. The remote control signal delivery unit 106 transmits the remote control signal received from the normal remote control reception unit 107 to the system control unit 305, but when the system control unit 305 instructs the transmission to the external interface 310 as described above. Transmits a predetermined remote control signal to the external interface 310. The external interface 310 transmits the remote control signal received from the remote control signal distribution unit 106 to the external device 121.

The external device 121 receives a remote control signal through the external interface 126 and transmits the signal to the system control unit 124. The system control unit 124 that has received the remote control signal interprets the content of the remote control signal and operates the external device 121 according to the content.

With the above arrangement, if the predetermined remote control signal is a signal for moving the pointer of the menu up, down, left and right, or a remote control signal for determining the item pointed by the pointer, ,
Remote control transmitter 131 attached to display device 301
, The menu screen output from the external device 121 can be operated.

If the specific remote control signal determined in advance is a remote control signal designating a numerical value from 0 to 9, a remote control transmitter 131 attached to the display device 301 is used to display a menu screen as in the previous case. In addition to the operation, when the external device 121 is a disk reproducing device, for example, an operation for specifying a track number of a medium to be reproduced is also possible.

If the predetermined remote control signal is a remote control signal for designating media control such as play, stop, pause, skip, search, etc., the remote control signal attached to the display device 301 is transmitted. For example, when the external device 121 is a disk reproducing device using the device 131, a disk reproducing operation can be performed.

Since the above-described operation is common to many devices, the remote controller transmitter 131 attached to the display device 301 includes up / down / left / right keys for moving a menu pointer, a menu pointer, and the like. It is preferable to provide a decision key for deciding the item designated by the user and a numeric keypad for designating a numerical value. Further, it is more preferable to have a remote control key for designating media control such as play, stop, pause, skip, search, and the like.

In the third embodiment, the external device 12
1 to determine whether or not to transmit a remote control signal to the external device 121.
Is performed based on the information as to whether or not the operation by the remote control signal is valid. Therefore, when the operation is disabled by the external device 121, the operation on the display device side can be enabled, and the external interface 310 and the external device 121 are unnecessarily used.
Does not occupy the external interface 126.

Further, even if the display device 301 itself is displaying a menu, the external device 121 erases the displayed menu based on information as to whether or not the operation by the remote control signal is valid, and operates the external device 121. For example, when the menu for operating the external device 121 is displayed on the display device 301 and the external device 121 enters the menu display state, the menu displayed on the display device 301 disappears. External device 1
The menu on the 21 side is automatically activated. Therefore, the user can operate using only the remote control transmitter 131 attached to the display device 301 without being conscious of whether the display device 301 is displaying a menu or the external device 121 is displaying the menu. Become.

Even if the user is watching the external device 121 and the operation by the specific remote control signal determined in advance by the external device 121 is valid, the processing with a high priority is performed on the display device 301 side. In some cases, for example, when the menu of the display device 301 is overlaid and displayed later, the system control unit 305 sends the remote control signal distribution unit 106 to the remote control signal delivery unit 106 instead of the external interface 310 instead of the external interface 310. You may instruct the control unit 305 to deliver.

Although the first to third embodiments are common items, the external interface of the display device may transmit the remote control signal to the external device as it is, but the external device may use a format that can be interpreted by the external device. May be converted to For example, if the external interface is IEEE13
If it is 94, the control method of the AV device is changed to 1394.
The control may be performed based on a standard established by the trade association. Specifically, AV / C Panel Subun, which is a standard that assumes transmission of remote control signals,
Use the it with Passthrough mode. If such a common standard in the industry is used, it is possible to control various types of external devices in a common procedure.

Although the external interface is assumed to be an IEEE1394 bus which is a bidirectional bus, it is needless to say that the effect is not changed even if it is realized by using another transmission path.

A specific remote control signal determined in advance includes a remote control signal for moving a menu pointer up, down, left and right, a remote control signal for determining an item pointed by the pointer, and a numerical value from 0 to 9. The remote control signal to specify media control such as play, stop, pause, skip, search, etc. has been described as a remote control signal to specify, but if there is another remote control signal that requires external equipment, this is also used as a specific remote control signal There is no problem in handling.

[0064]

As is apparent from the above description,
According to the present invention, the external device being viewed by the user is automatically controlled, and various operations such as menus of the external device can be performed using only the remote control transmitter attached to the display device. External devices can be operated without having to be aware of the operation of the device itself or the operation of the external device, and without having to make a complicated decision as to which remote device to switch to and operate. Becomes

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a display device with a control function according to a first embodiment of the present invention and an external device connected thereto;

FIG. 2 is a block diagram showing the configuration of a display device with a control function according to the second embodiment and external devices connected to the display device;

FIG. 3 is a diagram showing a configuration of a display device with a control function according to the third embodiment and external devices connected to the display device.

FIG. 4 is a block diagram showing a configuration of a conventional display device and external devices connected thereto.

FIG. 5 is a block diagram showing a configuration of a conventional display device with a control function and external devices connected to the display device.

[Description of Signs] 101 Display device with control function 102 Video display unit 104 Video signal switching unit 105 System control unit 106 Remote control signal distribution unit 107 Remote control reception unit 108 Built-in tuner 109 Video input terminal 110 External interface 121 External device 131 With control function Remote control transmitter attached to display device

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Yoshifumi Inoue 1006 Kadoma, Kazuma, Osaka Prefecture F-term (reference) in Matsushita Electric Industrial Co., Ltd. 5C025 BA21 CA09 CB03 DA08 5C056 AA01 BA06 BA10 CA00 DA08 DA11 EA02 EA05 EA12 5K048 BA02 CA08 DA02 DA05 DB04 DC04 EA11 EB02 FC01 HA01 HA02 HA05 HA07 HA13 HA21

Claims (8)

[Claims] A video signal switching unit that selects and displays one of a plurality of video signals including an external video signal; a video display unit that displays a video signal selected by the video signal switching unit; A remote control receiving section for receiving a remote control signal; a remote control signal delivering section for delivering the received remote control signal; a system control section for controlling the video signal switching section and the remote control signal delivering section; An external interface for transmitting a remote control signal to the outside, and when the external video signal is selected and displayed by the video signal switching unit, a specific A display device with a control function, which outputs a signal to an external device that outputs a signal. 2. A video signal switching unit for selecting and displaying one of a plurality of video signals including an external video signal, a video display unit for displaying a video signal selected by the video signal switching unit, A remote control receiving section for receiving a remote control signal; a remote control signal delivering section for delivering the received remote control signal; a system control section for controlling the video signal switching section and the remote control signal delivering section; And an external interface for transmitting the remote control signal to the outside, receiving the state of the external device and transmitting it to the system control unit, wherein the video signal switching unit selects and displays an external video signal. , And when it is received from an external device that is outputting an image that operation by a predetermined remote control signal is valid The specific information in the remote control signal, the control function display device and outputs to an external device that outputs a video signal. 3. A video signal switching unit for selecting and displaying one from a plurality of video signals including an external video signal, generating a menu image, and applying the menu signal to the video signal selected by the video signal switching unit. A menu generation unit that superimposes a menu image, a video display unit that displays the video signal passing through the menu generation unit, a remote control reception unit that receives a remote control signal, and a remote control signal distribution unit that distributes the received remote control signal, A system control unit for controlling the video signal switching unit and the remote control signal distribution unit; transmitting a remote control signal distributed from the remote control signal distribution unit to the outside, receiving a state of an external device, and transmitting the external device state to the system control unit An external interface that selects and displays an external video signal in the video signal switching unit, and outputs video. When receiving from the external device that the operation by the specific remote control signal determined in advance is valid, if the menu generated by the menu generation unit is displayed, the menu is deleted, and the specific A display device with a control function, which outputs a remote control signal to an external device that outputs a video signal. 4. When outputting a remote control signal to an external device,
The display device with a control function according to claim 1, wherein the display device converts the data into a format that can be interpreted by the external device and outputs the converted data. 5. The external interface is an IEEE 13
The bus is a 94 bus.
A display device with a control function as described. 6. A specific remote control signal determined in advance is a remote control signal for moving a pointer up, down, left and right in a displayed menu, and a remote control signal for determining an item pointed by the pointer. The display device with a control function according to claim 1, 2, or 3. 7. The display device with a control function according to claim 1, wherein the specific remote control signal determined in advance is a remote control signal designating a numerical value from 0 to 9. 8. The remote control signal according to claim 1, wherein the predetermined remote control signal is a remote control signal for designating media control such as reproduction, stop, pause, skip, search and the like. A display device with a control function as described.