JP2002236464A - Device and system for display adjustment control - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display adjustment control device for a large-sized video display device which can adjust the video of the large-sized video display device according to a telephone signal sent by operating a portable telephone set. SOLUTION: This display adjustment control system 20 for the large-sized video display device adjusts the display of the large-sized video display device 24 and is equipped with the portable telephone set 25 which sends a control signal for adjustment and a telephone signal receiving device 26 which is connected to the large-sized video display device 24, and receives the adjustment control signal from the portable telephone set 25 and controls a display control part 22; and an adjustment control signal reception part 40 is provided, which receives the adjustment control signal outputted from the telephone signal receiving device 26 and controls the respective parts after the telephone signal receiving device 26 is connected to the display control part 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a display adjustment control device for controlling image display adjustment in a large image display device.

[0002]

2. Description of the Related Art Conventionally, a large-sized image display device which displays a large image having a length and width of several meters or more has been used. Particularly in recent years, theme parks and various events have become popular, and since many people can be seen at those venues at the same time, their use is becoming more and more popular.

[0003] As shown in FIG.
Reference numeral 10 denotes a large image display unit 2 in which a plurality of units 1 are arranged side by side.
A signal processing unit 3 for generating a signal for a large video, and a signal distributor 4 for distributing input data for each unit or for each column of each unit. The signal is converted into a predetermined signal format and supplied to the large-sized video display unit 2 via the signal distributor 4 to display a video on the video display unit 2.

The large-sized image display section 2 is constituted by combining a plurality of units 1 each having a large number of light-emitting elements 6 vertically and horizontally. In addition, as shown in FIG. 9, it has red (R) 7, green (G) 8, and blue (B) 9 RGB pixels.

[0005] In such a large-sized image display device 10, it is necessary to ensure consistency in color tone between the unit replaced at the time of unit replacement and units around the unit. The adjustment method is such that, at a position where the control unit of the large-sized video display device and the operation device of the control unit (hereinafter, simply referred to as an operation device) can be adjusted,
Specifically, it is necessary to be away from the large-sized image display device up to several tens of meters and make adjustments while visually observing the displayed image. For example, a wireless LAN (Local Ar
ea Network) to adjust the large-sized video display device by transmitting control data from the operating device to the control unit.

However, such an adjustment method is affected by the environment of the place where the large-sized image display device is disposed,
If the radio wave environment is poor, it becomes difficult to receive the control data, and the display cannot be adjusted.

As a method for solving this problem, recently, operation data has been transmitted by using a portable terminal device such as a portable telephone, and a large-sized video display device using such a portable terminal device has been developed. As a typical adjustment system, there is one described in Japanese Patent Application Laid-Open No. H11-262035.

As shown in FIG. 10, a system 20 disclosed in the publication discloses adjustment data based on observation results from an operator 12 located at a predetermined distance from a large-sized video display unit 11 through a public line, in particular, an adjustment control signal. A transmission-side system that transmits the adjustment control signal generated in the input device 13 to the large-sized video display unit 11 via the modem 14 and the mobile phone 15 and the adjustment control signal via the mobile phone 16 and the modem 17 A control device 18 that receives and adjusts an image based on the adjustment data.The control device 18 converts the control data into a signal for a public telephone network line, and transmits and receives the adjustment data via the public telephone network line. It has become.

As described above, by adjusting the large-sized video display device, it is possible to use a public telephone network line having a relatively good radio wave environment, so that stability and reliability of the adjusting operation can be obtained. Has become.

[0010]

However, in the above-described image adjustment method for a large-sized image display device, a portable terminal device such as a mobile phone is used only as a signal transmission means, and other adjustment control signals are used. On the transmitting side, there are many components required on the system, such as an operation device that generates an adjustment control signal, and a modem that converts the generated adjustment control signal into a signal for communication. Preparations such as connection and connection with a mobile phone are troublesome and workability is poor.

SUMMARY OF THE INVENTION The present invention has been made to solve such a conventional problem. A video signal of a large-sized video display device is displayed on the basis of a telephone signal transmitted by operating a portable telephone and a combination of the telephone signals. An object of the present invention is to provide a display adjustment control device that controls display adjustment in a large-sized video display device that can perform adjustment.

[0012]

In order to achieve the above object, a display adjustment control device according to the present invention is formed by arranging a plurality of units each having a plurality of display elements having a predetermined luminous body in a matrix. A display adjustment control device that controls an adjustment unit that adjusts an image display state in a large-sized image display device that displays an image on the image display unit, the image adjustment unit being connected to a public telephone network line, A receiving unit for receiving a telephone signal transmitted based on an operation of a portable terminal device connected to a public telephone network line, and a control signal for controlling the adjusting unit based on the telephone signal received by the receiving unit And a control signal generating means.

[0013] With this configuration, it is possible to control the adjusting means for adjusting the video display state of the video display unit based on the telephone signal transmitted from the mobile terminal connected to the public telephone network line. The video display state of the video display unit can be adjusted only by using only this, and the work efficiency can be improved. In addition, since a public telephone network line with a relatively good radio wave environment can be used, it is difficult to be affected by the surrounding environment when adjusting the large image display device by remote control while watching the large image display device. Stability and reliability can be improved.

Further, the display adjustment control device of the present invention has a configuration in which the receiving means receives the telephone signal associated with the numeric keypad arrangement of the portable terminal device.

[0015] With this configuration, it is possible to correlate the display adjustment operation such as unit selection when performing display adjustment for each unit with the numeric keypad arrangement, thereby improving the operability when performing display adjustment using the portable terminal device. Can be.

Further, the display adjustment control device of the present invention, when adjusting the image display state of the image display unit, controls the display of the large image display device by the control signal so as to display a predetermined image on the image display unit. Is performed.

With this configuration, when the image state of the large-sized image display device is being adjusted, the contents of the adjustment can be displayed on the large-sized image display device, so that the adjuster can recognize his / her own adjustment. Operability at the time of adjustment can be improved.

Further, the display adjustment control system of the present invention comprises:
An image display in a large-sized image display device having an image display unit formed by arranging a plurality of display elements each having a predetermined light-emitting body and being arranged in rows and columns, and displaying an image on the image display unit In a display adjustment control system that controls adjustment means for adjusting a state, a mobile terminal device that transmits a telephone signal to a public telephone network line, and is connected to a public telephone network line and transmitted based on an operation of the mobile terminal device. And a display adjustment control device including a control signal generating means for generating a control signal for controlling the control means based on the received telephone signal. .

With this configuration, it is possible to control the adjusting means for adjusting the video display state of the video display unit based on the telephone signal transmitted from the mobile terminal connected to the public telephone network line. The video display state of the video display unit can be adjusted only by using only this, and the work efficiency can be improved. In addition, since a public telephone network line with a relatively good radio wave environment can be used, it is difficult to be affected by the surrounding environment when adjusting the large image display device by remote control while watching the large image display device. Stability and reliability can be improved.

[0020]

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

FIG. 1 to FIG. 8 are diagrams showing an embodiment of a display adjustment control device and a display adjustment control system in a large-sized video display device according to the present invention.

The display adjustment control system 50 in the large image display device shown in FIG. 1 controls the large image display unit 21 in which the plurality of units 100 are arranged in parallel and converts an input image signal into a predetermined signal. Display control unit 22 and display control unit
The video signal converted by 22 is distributed to a predetermined signal to control the adjustment of the video display state of the large video display device 24 including a signal distributor 23 input to the large video display unit 21. I have.

The display adjustment control system 50 is a mobile phone 25 for transmitting an adjustment control signal (hereinafter referred to as an adjustment control signal) for controlling display adjustment of the large-sized video display device 24.
And a telephone signal receiving device 26 connected to the large-sized video display device 24 and receiving the adjustment control signal from the mobile phone 25 and controlling the display control unit 22. An adjustment control signal receiving unit 40 that receives an adjustment control signal output from a telephone signal receiving device 26 to be described later and controls each unit in order to establish a connection with the device is provided.

The mobile phone 25 and the telephone signal receiving device 26 constitute a mobile terminal device and a display adjustment control device according to the present invention, respectively.

Here, the display control unit of the large image display device 24
The 22 and the signal distributor 23 will be described.

The display control section 22 receives a video signal. The display control section 22 processes the input video signal, converts the input video signal into a signal for the large-size video display section 21, and supplies the signal to the signal distributor 23. Output.

This display control unit 22, as shown in FIG.
An analog / digital (hereinafter, referred to as A / D) converter 31 for converting a video signal into a digital signal, a video adjuster 32 for adjusting a video signal converted to a digital signal, and a test signal for generating a test signal A generation unit 33, a control information control unit 34 for performing control information generation and display control, and a signal multiplexing unit for adding a control signal to a video signal to perform multiplexing and outputting a video signal obtained by multiplexing the control signal. /
A data transmission unit 35, a monitoring unit 36 for monitoring screen information such as a power supply abnormality and a cooling fan abnormality attached to the unit 100, and a central processing unit (hereinafter referred to as a CPU) 37 which is connected to each unit via a bus and controls each unit. And an adjustment control signal receiving unit 40 that receives an adjustment control signal output from the telephone signal receiving device 26 and controls each unit.

The A / D conversion section 31 receives a video signal, converts the input video signal into a digital signal, and outputs the digital signal to the video adjustment section 32.

The video adjustment unit 32 receives the video signal converted into a digital signal by the A / D conversion unit 31, and converts the input video signal into a large video display unit.
Adjustment of the input video, such as changing the dot size for display on 21 and correcting the outline blur of the video signal (hereinafter referred to as
Image adjustment).

The image adjustment unit 32 is controlled when performing the image adjustment described later.

The test signal generating section 33 generates a test pattern, and outputs the generated test signal to the signal multiplexing / data transmitting section 35.
The control information control unit 34 performs display control of screen information for controlling display of screen display information such as power supply, luminance, and type of unit display.
The data is output to the data transmission unit 35.

The control information control unit 34 controls display on the large image display unit 21 based on the control of the CPU 37, for example, display and non-display of images displayed when performing display adjustment described later. It is supposed to.

The signal multiplexing / data transmitting unit 35 generates a digital image of an image to be displayed on the large image display unit 21. Also, at the time of unit adjustment described later,
The displayed cursor and other screen images are generated by the signal multiplexing / data transmission unit 35.

The signal multiplexing / data transmitting section 35 performs scan conversion of the generated digital video signal, and outputs a signal distributor.
Output to 23.

The signal multiplexing / data transmitting section 35 controls the luminance value and the adjustment value set in each unit 100. Usually, signal multiplexing / data transmission unit
The video signal output from 35 is multiplied by a brightness value for setting the brightness of the entire screen of the large-sized video display unit 21 and an adjustment value for adjusting the brightness set for each unit 100, and each pixel of each unit 100 is multiplied. The lighting state of each pixel of each unit 100 can be controlled by adjusting the luminance value and the adjustment value.

The monitoring unit 36 is configured to receive screen information from the large image display unit 21 via the signal distributor 23, and to monitor the large image display unit 21 such as a power supply abnormality or a cooling fan attached to the unit 100. Is to be monitored.

The signal distributor 23 is a signal multiplexing / data transmission unit.
The video data output from 35 is converted into data for each column of each unit 100 of each large video display unit 21 to convert the large video display unit 2
Output to 1

The adjustment control signal receiving section 40 receives an adjustment control signal, which will be described later, output from the telephone signal receiving device 26, and controls each section based on the received adjustment control signal. The adjustment control signal receiving unit 40 controls each unit based on the received adjustment control signal to adjust each unit 100 of the large image display unit 21 and adjust the image display state, which will be described later.

Next, the display adjustment control system 50 in the large-sized image display device will be described.

The mobile telephone 25 has a numeric keypad, and when an arbitrary key is operated, a telephone signal corresponding to the key is transmitted to the telephone office.
27, and the transmitted telephone signal is transmitted to a telephone signal receiving device 26 via a telephone office 27 and a telephone public network line. The type of display adjustment and the operation of the numeric keypad and the display adjustment will be described later.

As shown in FIG. 3, the telephone signal receiving device 26 is connected to a public telephone network and receives a telephone signal, a telephone signal receiving unit 51, and a telephone signal recognizing unit 52 for recognizing the received telephone signal. And a signal conversion unit 53 that converts the recognized signal into an adjustment control signal.

The telephone signal receiving section 51 and the signal converting section
53 constitutes the receiving means and the control signal generating means according to the present invention, respectively.

The telephone signal receiving section 51 is connected to a communication line with an arbitrary portable telephone 25 via a public telephone network line, and receives a telephone signal transmitted based on an operation of the portable telephone 25. Then, the received telephone signal is output to the telephone signal recognition unit 52. In the telephone signal receiving unit 51, the received telephone signal is, for example, a tone signal or a pulse signal, and the telephone signal receiving unit 51
It has a function of receiving this telephone signal.

The telephone signal recognition section 52 recognizes the telephone signal received by the telephone signal receiving section 51.
The recognition result is output to the signal conversion unit 53.

The signal conversion unit 53 receives the recognition result of the telephone signal output from the telephone signal recognition unit 52. The signal conversion unit 53 displays the recognition result based on the input recognition result. Generate an adjustment control signal for controlling the control unit 22,
The generated adjustment control signal is output to the adjustment control signal receiving unit 40.

Next, adjustment of the image display state in the large image display section 21 of the present embodiment (hereinafter referred to as display adjustment) will be described.

In the present embodiment, two kinds of display adjustments, namely, four kinds of numeric key patterns and display adjustment (hereinafter referred to as unit adjustment) for each unit 100 and image adjustment are performed. Is configured to control the display control device 22 based on a telephone signal transmitted by operating the numeric keypad of the mobile phone 25.

First, the operation of the numeric keypad of the mobile phone 25 and the numeric keypad associated with the display adjustment operation will be described.

4 to 6 show the numeric keypad of the portable telephone 21, FIG. 4 shows the initial setting (start state), FIG. 5 shows the unit adjustment, and FIG. It shows a ten-key pattern.

In the initial setting (start state) performed by the numeric keypad shown in FIG.
N / OFF, presence / absence of a display for displaying the adjustment work of the display adjustment operation in real time, selection of unit adjustment and video adjustment, and adjustment of luminance can be performed.

The brightness adjustment is to adjust the brightness of the entire screen of the large-size video display unit 21. By controlling the signal multiplexing / data transmission unit 35, the brightness value of the large-size video display unit 21 is adjusted. To do.

Also, the display display (Disp ON
/ OFF) displays the operation contents and the values to be adjusted such as the luminance value and the adjustment value during the display adjustment operation.

In the initial setting (start state), no operation (transition to another state) occurs even if the "#" key is operated. That is, "#"
The key is a key for returning to the start state from any setting, and the operator can return to the start state by operating this key when the current state is unknown.

In the unit adjustment performed using the numeric keypad shown in FIG. 5, the unit is selected, the brightness of the selected unit is adjusted, and the display color of the selected unit is adjusted. Unit selection operation performed by the numeric keypad in FIG. 5A (unit brightness adjustment state A)
As shown in FIG. 7, when a unit is selected, the entire screen is halftone, and a part of the screen is displayed with an all white cursor 80 corresponding to one unit. The horizontal axis (Address H) and vertical axis (addre
ss V) is a numeric keypad, and in this embodiment, up and down “2”
By operating "8" left / right "4" / "6" to move to the desired unit, the brightness adjustment or the display color changing operation of the selected unit can be performed. In the display color change operation (unit brightness adjustment state B) performed by the numeric keypad in FIG. 5B, the R, G, and B adjustment of each unit selected by the unit selection operation is performed for each pixel. It has become.
However, unless the enter key on the numeric keypad is operated, the adjusted value cannot be held.

In the image adjustment operation performed by the numeric keypad in FIG. 6, the brightness, brightness, darkness, color tone, color tone, and edge enhancement of the image on the entire screen of the large-sized image display unit 21 are performed.

Next, the display adjustment operation will be described with reference to FIG.

FIG. 8 shows an operation state transition in the display adjustment operation according to the present embodiment, and the portable telephone has already been operated.
It is assumed that a communication line between the telephone signal receiving device 25 and the telephone signal receiving device 26 has been established, and the telephone signal receiving device 26 is in a telephone signal input standby state. Also, when the communication line is disconnected and the busy tone is detected by the telephone signal receiving unit 51,
This operation ends.

When the communication line is established and the telephone signal receiving apparatus 26 is in a state of waiting for input of a telephone signal (start state (state 1)), the ten keys related to the initial setting are operated by the ten keys corresponding to FIG. Then, the telephone signal receiving device 26 instructs the display control unit 22 to turn on / off the power, display or not display the screen, adjust the brightness of the entire screen, unit adjustment, and image adjustment.

When the unit adjustment is selected, the "*" key is operated, and when the "*" key is operated, the mode of the image adjustment becomes state 2. When selecting input video adjustment,
When the “0” key is operated and the “0” key is operated, the image adjustment mode is set to state 4.

When the panel adjustment is selected (state 2),
First, the entire screen becomes halftone, and an all-white cursor appears.

Next, when the cursor 80 is set on an arbitrary unit while operating the numeric keypad of the mobile phone 25 and watching the screen, the selection of the brightness adjustment and the display color adjustment is awaited. However, at this time, input of the display display key is also on standby, and ON / OFF can be controlled.

Next, when a key is operated, the telephone signal receiving device 26 determines the type of the operated key and controls the adjusting operation. When the brightness adjustment key is operated, the brightness is adjusted. When the display color change key is selected, the operation switches to the adjustment operation for changing the display color and waits for an input (state 3).

In the state 3, when each of the RGB keys is operated, each pixel of the selected unit is adjusted, and the input of another key is awaited. Here, when the enter key for determining the adjustment value is input, the value held inside the display control unit 22 is changed.

In the pixel adjustment of each key of RGB,
You may input each pixel continuously, and may input a decision key. When the unit adjustment key is operated or the start key is pressed, the state is changed to the state 2 or the state 1. However, when Disp is On, each adjustment content and adjustment value are displayed.

When the input image adjustment is selected (state 4),
When each input image adjustment key is input, the telephone signal receiving device
Numeral 26 determines the input numeric keypad and adjusts the image quality based on the key input to the display control unit 22. However, when Disp is On, the adjustment contents and adjustment values are displayed on the screen.

As described above, according to the present embodiment, the telephone signal receiving device 26 receives the telephone signal transmitted from the mobile telephone 25 connected to the public telephone network line, and displays the video display state of the large video display unit 23. Can be controlled, the image display state of the large image display unit 21 can be adjusted only by the mobile phone 25, and work efficiency can be improved.

Therefore, when remotely adjusting the large image display device 21 while watching the large image display device, it is possible to use a public telephone network line having a relatively good radio wave environment. It is less likely to be affected and can improve work stability and reliability.

Further, when performing display adjustment for each unit 100, display adjustment operation such as unit selection and the like,
Can be associated with each other, so that the operability when performing display adjustment by the mobile phone 25 can be improved.

Further, when the image state of the large image display device 25 is being adjusted, the contents of the adjustment can be displayed on the large image display section 21, so that the adjuster can recognize his / her own adjustment. Operability at the time of adjustment can be improved.

In the present embodiment, in the unit adjustment, the adjustment of each luminance value of the RGB signal for each unit is performed. However, further adjustment of other signals (for example, R Component adjustment (color adjustment) of G signal adjustment of a signal, G signal adjustment of a B signal, and the like may be performed.

When performing this component adjustment, the state change due to the unit brightness adjustment state (states 2 and 3) is increased,
Further, a numeric keypad arrangement in the increased state is set, and display control is performed.

[0072]

The telephone signal receiving device for a large-sized video display device and the display adjustment control system of the present invention can adjust the display of the large-sized video display unit only by operating the portable terminal device, so that the work efficiency can be improved. It is possible to improve the operability when performing the display adjustment by associating the operation of the mobile terminal device with the numeric keypad arrangement of the mobile terminal device.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of a display adjustment control system for adjusting display of a large-sized video display device according to the present invention.

FIG. 2 is a block diagram showing a configuration of one embodiment of a large-sized video display device according to one embodiment.

FIG. 3 is a block diagram showing a configuration of one embodiment of a telephone signal receiving device according to one embodiment;

FIG. 4 is a diagram showing an example of a numeric keypad arrangement of a mobile phone in an initial setting of an adjustment operation according to the embodiment;

5A is a diagram illustrating an example of a numeric keypad array of a unit-selecting mobile phone in a unit adjustment of a display adjustment operation according to an embodiment, and FIG. 5B is a diagram illustrating an example of a unit adjustment of a display adjustment operation according to an embodiment. FIG. 4 is a diagram showing an example of a numeric keypad arrangement of a mobile phone in a display color changing operation

FIG. 6 is a diagram showing an example of a numeric keypad arrangement of a mobile phone in a video adjustment operation of a display adjustment operation according to an embodiment.

FIG. 7A is an image diagram of a cursor movement in a cursor setting operation in unit adjustment according to one embodiment; FIG. 7B is a diagram illustrating a unit set by a cursor in a cursor setting operation in unit adjustment according to one embodiment; Illustrated image diagram

FIG. 8 is a state transition diagram showing an adjustment state of a display adjustment operation according to one embodiment.

FIG. 9 is a block diagram showing a configuration of a conventional large-sized video display device and a diagram showing a configuration of a unit.

FIG. 10 is a block diagram illustrating a configuration of a display adjustment control system that controls a video display state of a conventional large-sized video display device.

[Explanation of symbols]

 6 Light-emitting element (display element) 7, 8, 9 pixels (light-emitting body) 50 Display adjustment control system 21 Large image display unit (image display unit) 22 Display control unit (adjustment means) 24 Large image display device 25 Mobile phone (mobile) Terminal device) 26 Telephone signal receiving device (display adjustment control device) 51 Telephone signal receiving unit (receiving means) 52 Telephone signal recognition unit 53 Signal conversion unit (control signal generating means) 100 units

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04M 11/00 301 H04M 11/00 301 H04N 5/00 H04N 5/00 A F-term (Reference) 5C056 AA01 BA04 CA01 CA19 DA08 EA06 EA09 EA12 5C080 AA05 BB05 CC03 CC06 DD14 DD30 EE32 JJ02 JJ07 KK02 5C082 AA13 BD00 CB05 CB08 MM02 5K027 AA11 HH26 HH29 5K101 KK11 LL12 TT06 UU03

Claims (4)

[Claims] 1. A large-sized image having an image display section formed by arranging a plurality of display elements each having a predetermined luminous body and being arranged vertically and horizontally, and displaying an image on the image display section. In a display adjustment control device for controlling an adjustment means for adjusting a video display state in a display device, a telephone connected to a public telephone network line and transmitted based on an operation of a portable terminal device connected to the public telephone network line A display for a large-sized video display device, comprising: receiving means for receiving a signal; and control signal generating means for generating a control signal for controlling the adjusting means based on the telephone signal received by the receiving means. Adjustment control device. 2. The display adjustment control device according to claim 1, wherein the receiving unit receives the telephone signal associated with a ten-key arrangement of the portable terminal device. 3. The display control of the large-sized image display device is performed by the control signal so that a predetermined image is displayed on the image display unit when adjusting the image display state of the image display unit. 3. The display adjustment control device for a large-sized video display device according to 1 or 2. 4. A large-sized image having a video display section formed by arranging a plurality of display elements each having a predetermined light-emitting body and being arranged vertically and horizontally, and displaying a video on the video display section. In a display adjustment control system for controlling an adjusting means for adjusting an image display state of a display device, a portable terminal device for transmitting a telephone signal to a public telephone network line, and a portable terminal device connected to the public telephone network line and operating the portable terminal device And a display adjustment control device having a control signal generating means for generating a control signal for controlling the control means based on the received telephone signal. A display adjustment control system for a large-sized video display device, characterized in that: