JPH07175460A - Information display device - Google Patents

Abstract

PURPOSE:To easily judge whether information is correctly displayed or not by code converting display information to character codes, additively transmitting recognition codes at every character code, returning the recognition codes to a transmission driver section to display these codes and making comparative decision of the held recognition codes and the returned recognition codes. CONSTITUTION:The inputted information is displayed on a monitor section 13 and is converted to the character code in a character conversion section 4 after confirmation. The recognition code is added to this character code in a recognition code generating section 11 simultaneously with the conversion to the character code. The recognition codes added to the display information received while the present display information is displayed on the display section 8 are returned at the specified period in a transmission interface section 6 to the transmission driver section 5 of a controller 1. Whether the recognition codes sent at the specified period from the transmission interface section 6 coincide with the stored recognition codes or not is judged in the recognition code comparing section 12 of the controller 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information display device for providing information common to a plurality of people by displaying information such as characters and alphanumeric characters on a large display.

[0002]

2. Description of the Related Art Conventionally, an information display system has a large display for displaying information, a man-machine function for inputting information to be displayed on the large display, and a large display for displaying the input display information. It is composed of a controller with a transmission function for sending to.

However, since a large-sized display and a controller are generally installed at a distance from each other, an ITV or the like is separately installed and monitored in order to judge whether or not the displayed information is correct. There is. That is, in the controller, a man-machine interface section for inputting information such as characters and alphanumeric characters to be displayed on the large-scale display, and the display information input from the man-machine interface section are converted into a form that can be displayed on the large-scale display. It is composed of a character conversion unit and a transmission driver unit for transmitting the converted display information to a large display.

For example, when it is desired to display information such as ABC on a large-sized display, this information is input from a man-machine interface such as a keyboard and the character conversion unit converts the character code into, for example, JIS code 41, 42 or 43. Then, the display information converted into the character code is transmitted from the transmission driver to the large display. In the large-sized cover, the transmission interface section receives the transmitted display information, and the display driver section outputs the display information to the display section at a timing for displaying the display information.

In order to diagnose whether or not the information input from the man-machine interface of the controller is correctly displayed on the display of the large display, for example, ITV
A camera is installed separately to capture the display of a large display, and the information input from the man-machine interface of the controller can be displayed by monitoring the display captured by the ITV camera with a monitor placed near the controller. Diagnosing whether it is displayed correctly.

[0006]

As described above, it is necessary to separately install an ITV camera and a monitor in order to judge whether the information from the controller is correctly displayed on the large display. There are problems such as the need to constantly monitor the monitor screen.

[0007] In general, the controller and the large-sized display are installed at different places, and the IT installed separately.
There are also drawbacks such as high construction costs between the V camera and the monitor device.

According to the present invention, there is provided an information display / diagnosis device capable of determining whether or not the input information is correctly displayed by the controller and the large-sized display having the current configuration without installing an ITV camera and a monitor device. The purpose is to do.

[0009]

An information display device according to the present invention is a display device for displaying display information consisting of characters and alphanumeric characters, a man-machine interface for inputting display information to be displayed on the display device, and a man-machine interface. A character conversion unit that converts the display information input to the character code into a character code, a recognition code generation unit that adds a recognition code for each character code that is converted by the character conversion unit, and a character code that adds the recognition code. A transmission driver unit that transmits, a transmission interface that receives the character code transmitted by the transmission driver unit and returns the recognition code added to the character code to the transmission driver unit,
The display driver unit that displays the character code received by the transmission interface on the display unit, and the recognition code added to the character code are held, and the held recognition code and the recognition code returned to the transmission interface are compared to determine the difference. And a recognition code comparison unit for determining the presence / absence.

[0010]

In the information display device of the present invention, the display information consisting of characters and alphanumeric characters is displayed on the display unit, the display information to be displayed on the display unit is input by the man-machine interface, and the display input by the man-machine interface is displayed. The information is converted into a character code, the recognition code is added by the recognition code generator for each character code converted by the character conversion unit, the character code with the recognition code is transmitted, and it is transmitted by the transmission driver unit. Receives the character code, returns the recognition code added to the character code to the transmission driver unit, displays the character code received by the transmission interface on the display, holds the recognition code added to the character code, and holds it Recognition code and transmission And judging whether the difference is compared with the identification code sent back to the interface.

[0011]

EXAMPLE An example of the present invention will be described below. In FIG. 1, 2 is a display for displaying display information consisting of characters and alphanumeric characters, 3 is a man-machine interface for inputting display information to be displayed on the display 2, and 4 is display information input to the man-machine interface 3. To a character code, 11 is a character conversion unit for adding a recognition code for each character code code-converted by the character conversion unit 4, and 5 is a transmission for transmitting the character code with the recognition code added. The driver unit 6 receives the character code transmitted by the transmission driver unit 5, and at the same time transmits the recognition code added to the character code to the transmission driver unit, 7 indicates the character code received by the transmission interface 6. Display on display 2 The display driver unit 12 is a recognition code comparison unit that holds the recognition code added to the character code and compares the held recognition code with the recognition code returned to the transmission interface to determine whether there is a difference. And a large display 2 for displaying information such as alphanumeric characters,
A man-machine interface unit 3 for inputting information to be displayed in order to transmit the display information to the display unit 2,
In an information display system including a character conversion unit 4 for code conversion of input information and a controller 1 having a transmission unit for transmitting the converted character code, a series of information newly displayed on the controller 1 is displayed. The information display diagnostic system is characterized in that a recognition code generating section 11 for adding a recognition code for identifying a character code is provided.

The man-machine interface unit 3
When the display information input by the character conversion unit 4 is converted into a character code and sent to the transmission driver unit 5, a recognition code generation unit 11 for newly adding a recognition code to the character code string is newly provided. In addition, the transmission driver unit 5 sends the character code, which is the display information added with the recognition code, to the display unit 2.
The display unit 2 displays the display information on the display unit 2 according to the sent character code, but while the display information sent with the recognition code added continues to be displayed on the display unit 2, the display unit 2 displays. 2) This recognition code is sent back to the controller 1 periodically, and in the controller section, a recognition code comparison section is newly provided to judge whether this recognition code matches the recognition code sent as display information. It is characterized by diagnosing whether or not the display is correctly performed.

Here, the controller 1 may be provided with a monitor unit 13 to output the result determined by the recognition code comparison unit 12.

In this case, for example, there is a method in which the input information is constantly displayed on the monitor unit 13 and the display unit 2 is flickered when the result judged by the recognition code comparison unit 12 is negative.

As described above, that is, the information displayed on the display 2 is input by the man-machine interface unit 3 of the controller 1, for example, a keyboard. The input information is displayed on the monitor unit 13 and, after confirmation, is converted into a character code by the character conversion unit 4. For example, if A, B, and C are input from the man-machine interface unit 3 as the information to be displayed on the display unit 2, the input information ABC is displayed on the monitor unit 13. By inputting a key after confirmation (for example, by inputting a return key), the input information is sent to the character conversion unit 4, where it is converted into a character code of JIS codes 41, 42, and 43, and at the same time, a recognition code. The generation unit 11 adds a recognition code, for example, 01 to the character code strings 41, 42, 43. The display information code 41424301 to which the recognition code is added is transmitted from the transmission driver 5 to the large-sized display 2 as shown in FIG.

The display information code 41424301 transmitted from the controller 1 is received by the transmission interface section 6 of the display 2. The display driver unit 8 outputs the display information codes 41, 42, 43 received by the transmission interface unit 6 to the display unit 8 at a timing matched with the device (for example, LED, LCD, lamp, etc.) of the display unit 8.

The transmission interface unit 6 receives the display information code from the transmission driver unit 5 of the controller 1 and sends new display information, that is, the display unit 8 displays the current display information. While the is displayed, the recognition code added to the received display information code is transmitted at a constant cycle to the transmission driver unit 5 of the controller 1.
Return to. For example, while ABC is displayed on the display unit 8, as shown in FIG.
01, which is the identification code of the above, is continuously sent from the transmission interface unit 6 to the transmission driver unit 5 at a constant cycle (for example, 1 second).

The recognition code comparison unit 12 of the controller 1 stores the recognition code for the finally sent display information, and the recognition code sent from the transmission interface unit 6 at a constant cycle is transmitted via the transmission driver unit 5. It is determined whether or not the received recognition code matches the stored recognition code.

For example, when the display information is ABC, this recognition code 01 is stored in the recognition code comparison unit 12, and if the recognition code sent from the transmission interface unit 6 in a constant cycle is also 01, it is displayed. It is determined that the display information input from the man-machine interface unit 3 is correctly displayed in the unit 8.

13 is an invention as set forth in claim 2, which is an information display section for displaying information having the same contents as the display information stored in the controller 1 and displayed on the display section 2. The determination result is displayed on the monitor section 13. Make it easy to understand. For example, the information input from the man-machine interface unit 3 is displayed on the monitor unit 13 at that time, but the menu screen 15 that is normally used is displayed so that the display continues even after the key input after confirmation is executed. Separately, a dedicated display information area is provided as the information display unit 14 of the monitor unit 13 shown in FIG. 4, for example.

The information displayed on the information display section 14 continues while the judgment result of the recognition code comparison section 12 is in agreement (the recognition code for the information requested to be displayed is correctly sent). Will be displayed. If the determination results do not match, an alarm is output on the monitor unit 13. For example, by flickering the information display unit 14, it is possible to easily understand that the correct display is not made.

If there is a transmission error between the controller 1 and the display and the recognition code is not returned even though the character code which is the display information has been sent, for example, a recovery process such as resending the character code. Shall be performed.

[0023]

As described above, according to the present invention, when the controller that processes and controls the display input and the display unit that actually displays this display information are separated from each other, the information displayed on the display unit is It is possible to easily and inexpensively provide an information display device capable of easily determining whether or not it is correctly displayed by using an existing system without separately installing a monitoring device.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an information display device showing an embodiment of the present invention.

FIG. 2 is an explanatory diagram of a recognition code added for recognizing a character code of display information.

FIG. 3 is an explanatory diagram showing how to handle a recognition code.

FIG. 4 is a front view showing an embodiment of a monitor unit.

[Explanation of symbols]

 4 ... Character conversion unit 5 ... Transmission driver unit 6 ... Transmission interface unit 7 ... Display driver unit 11 ... Recognition code generation unit 12 ... Recognition code comparison unit 13 ... Monitor unit

Claims (1)

[Claims] 1. A display device for displaying display information consisting of characters and alphanumeric characters, a man-machine interface for inputting the display information displayed on the display device, and a character for displaying the display information input to the man-machine interface. A character conversion unit for converting a code into a code, a recognition code generation unit for adding a recognition code for each of the character codes converted by the character conversion unit, and a transmission driver unit for transmitting the character code added with the recognition code. And a transmission interface that receives the character code transmitted by the transmission driver unit and returns the recognition code added to the character code to the transmission driver unit, and the character code received by the transmission interface. Previous A display driver unit to be displayed on the display and a recognition code added to the character code are held, and the held recognition code is compared with the recognition code returned to the transmission interface to determine whether there is a difference. An information display device, comprising: an identification code comparison unit.