JPH04139494A - Multi image display device - Google Patents

Abstract

PURPOSE:To easily and freely vary an execution range and to improve the usability by providing a system controller with a position information memory, a specified position discriminating means, and an actuating and transfer means and also providing an enlargement device with an execution limiting means. CONSTITUTION:The information memory 14 is added to the system controller 2, a system control part 4B to which the specified position discriminating means and actuating and transfer means are added and an execution control part 9B to which the execution limiting means and an execution state informing means are added are provided, and a system monitor 6 constitutes an operation monitor. When an actuation instruction is supplied in a step of video development data while the execution start or/and execution end of an enlargement display are specified, position information on the step of execution control data corresponding to the specific step is sent to the enlargement device 7 together with the actuation instruction and the enlargement device 7 executes the execution control data only in the specific range. Consequently, the execution contents of the enlargement device 7 are displayed in an easy-to-understand state without any time delay and the enlargement display can be confirmed.

Description

Detailed Description of the Invention [Field of Industrial Application] The present invention processes a video signal from a video source device using an enlarging device, and transmits the video signal to a multi-monitor device formed by arranging a plurality of video monitors in a matrix. The present invention relates to a multi-screen display device for enlarging display of images.

[Conventional technology]

Conventionally, this type of multi-screen display device, also called a multi-vision system, has been described in the document "Sanyo Technical Review (5A
NYOTECHN I CAL REV I EW)
, VOL.

22, No. 2 (issued June 1990), ``Multi-Vision System,'' etc.
It is configured as shown in the figure.

In the figure, (1) is a video source device consisting of one or more video source devices such as LDP, VTR, etc., and (2) is a system controller as a control device, such as an Eva personal computer device, keyboard, mouse, etc. Input section (3), system control section (4A) formed by
, Deployment data memo month 5) and system monitor (month 6)
).

(7) is an enlargement device to which the video signal of the source device f11 is supplied, and an enlargement processing section (8) consisting of a frame memory, etc.
) and a microcomputer-configured expansion control unit (9,,
I have an execution control memo (January 10).

(11) represents the video signal of the source device (1) and the enlargement device (7).
), a video switching device that completely switches and outputs the video signal of (1)
2) is a multi-monitor device in which a plurality of video monitors (Ia') are arranged in a matrix.

The video development data for display control of the enlarged display is formed by creating a programger ε leg of the system controller (2) based on the operation of the input unit (3), and the formed video development data is stored in the development data memory (5). is written and retained.

At this time, the creation status is constantly checked on the system monitor (6).

Further, in order to make the video development data easy to understand and to reduce the amount of data, for example, each step of each screen is formed with designation data such as the magnification ratio 2 display position using high-level language.

Then, the formed image development data is transferred from the development data memory (5) to the enlargement control section (9A) of the enlargement device (7) via the system control section (4A) under offline transfer control of the system controller (2). Transferred (townloaded).

At this time, the enlargement control unit (9A) converts each step of the video development data into specific control contents in machine language that can be executed quickly based on the specifications of the respective enlargement ratios 9 display positions, etc., and converts the execution control data. Form and execute control memo with this data instead of video expansion data! Write and hold J, [10].

After the video development data is transferred, a startup command is sent from the system controller (2) to the enlargement device (7), and based on the reception of this command, the enlargement control unit (9A) operates automatically using an internal timer. Repeat the data in the memo (January 10) in order from the first step.

At this time, under the control of the enlargement control section (9A), the video signal supplied from the source device 111 to the enlargement device (7) is processed by the enlargement processing section (8) and then supplied to each video monitor of the monitor device 02). is converted into a video signal for enlarged display.
At the same time, the video switching device (11) switches from the signal selection state of the source device [+1 to the signal selection state of the enlargement device (7).

Then, the video signal for enlarged display from the enlargement processing section (8) is supplied to each video monitor 03), and images for demonstration are repeatedly enlarged and displayed on the monitor device (12).

[Problems to be Solved by the Invention] In the case of the conventional multi-screen display device shown in FIG. Due to (7), the execution control data is only executed in order from the first step to the last step, and for example, it is not possible to edit the enlarged display by changing the execution start, execution end, or both steps. However, there is a problem with poor usability.

The system controller (2) also monitors the monitor device (1).
2! It is often installed in a place where the actual enlarged display cannot be seen, such as on the back side of the computer, so it is often possible to directly check the enlarged display by running the data on a test basis while programming the video development data. Can not.

Therefore, it is conceivable to display the contents being executed in sequence on the system monitor (6, ・) and check the execution in a simulated manner, but in this case, the execution control data is sent from the enlarger (7) to the system controller (8). If the contents of the step are sent and displayed, there is a problem that the display is delayed due to the transfer speed and amount of data, and furthermore, the displayed contents are not easily understood and confirmation is extremely difficult.

SUMMARY OF THE INVENTION An object of the present invention is to provide a multi-screen display device in which the execution range of the enlarging device can be easily changed from a system controller after transferring video development data.

Another object of the present invention is to enable a system controller to display the execution contents of an enlargement device without time delay and in an easy-to-understand manner so that the enlarged display can be confirmed.

[Means to solve the problem]

In order to achieve the above object, in the multi-screen display device of the present invention, the system controller includes a position information memory that holds the start position information of the step of the execution control data corresponding to each step of the video development data; designated position identification means for identifying the execution start and/or execution end position of the execution control data specified in the step of the video development data based on stored information in a position information memory; and the position identification means. and an activation transfer means for transmitting the identification result together with the activation command to the enlargement device, and the expansion device is provided with an execution restriction means for setting an execution range of the execution control data to a range based on the specification of the identification result.

Further, when the enlarged display is to be confirmed by the system controller, the enlarger is provided with an execution status notification means for transmitting step information during execution of execution control data to the system controller, and the system controller is provided with: An operation monitor is provided that displays on a screen the contents of the video development data according to the step information being executed.

[Effect]

In the case of the display device of the present invention configured as described above, the system controller is provided with a position information memory, designated position identification means, and activation transfer means, and the enlargement device is provided with an execution restriction means, so that it is possible to When a start command is given specifying execution start, end of execution, or both of the enlarged display, step position information of the execution control data corresponding to the specified step is sent to the enlargement device along with the start command, and the position information is Based on this, the enlarging device executes only the specified range of the execution control data.

Furthermore, if the enlargement device is provided with an execution status notification means and the system controller is provided with an operation monitor, the system controller can identify the step of the corresponding video development data based on the step information during execution of the execution control data, and the contents of that step. is displayed on the screen, making it easy to check the enlarged display.

〔Example〕

One embodiment will be described with reference to FIGS. 1 to 4.

In Fig. 1, the difference from Fig. 5 is that a position information memory (+41 'i) is added to the system controller (2),
This control section (4A) can be used instead of the control section (4A) in FIG.
) is provided with a system control unit (4B) that includes designated position identification means and startup transfer means, and in place of the control unit (%) in FIG. 5, this control unit (9A) has execution restriction means and execution status notification. The system is provided in the execution control section (9B) with additional means, and an operation monitor is formed by the system monitor (6).

Then, based on the programming of the system controller (2), steps (a) and () shown in FIG.
When the video development data (Dl) having the configurations b) and (c) is formed, this data CDI) is stored in the development data memory (5).
and transferred to the enlarging device (7).

Then, the enlargement control unit (9B) converts the data (Dl) into steps (5), (■), (C'l), (C'l), (C'l), (C'l) based on step (A), as shown in FIG.
Steps p), (g)), (F), and step (based on
fI
It is held at O+.

Mata, from the system controller [2] to the enlarged fa (
A location information request is sent to 7), and based on the reception of this request, the enlargement control unit (9B) executes the address request and return shown in FIG. ,
(c) Step of data (D2) corresponding to each (
N~(q.

(to) to (F), step (A) as the head position information of k).

(to) and 0 are returned to the system controller (2).

Then, the system control unit (4B) writes the start address of the received step (N, (b), ←) to the position information memo +1 (+4j), and stores %3 in this memory (14,
As shown in the figure, steps (a) and (
b), (c) Respective start addresses and data (D2)
Step (N, (b).

(F) Store each start address in correspondence with each other.

Next, when giving a startup command to the enlarging device (7) to operate it, for example, if you want to execute it from step (b) of the data (DI), the input section (3) is used to operate the system control section (4T).
3) is instructed to issue a startup command, and step (b) is designated as the execution start step.

With this designation, the designated position identification means of the system control unit (4B) uses the address of step p) corresponding to the address of step (b) of the position information memo IJ (+4) to identify the designated position in the data (D2). Identifies the starting point of execution.

Then, when the activation command and the identification result of the execution start position are transferred to the enlargement device (7), the execution restriction means of the enlargement processing unit (9B) sets the execution start address of the execution control memo ', 1 floor to step (5). ) is changed to the start address of the step (to) of the identification result, and in this changed state, the data (D2) of the memo IJ lOi
is executed.

At this time, the data (D2) is the specified step (to)
to step 0 are executed.

System, from the system controller (2) to the enlargement device (7
) to issue a stop command to stop the operation of the enlarging device (7), and then issue a start command and specify a new execution start step, the data (D2) will be executed from the new execution start step. be done.

Also, if you specify an execution end step instead of an execution start step, the data (D2) will be executed from step (~ to the specified step, and if you specify an execution start step and an execution end step, the pig (D2) will be Only the two-step range specified is executed.

Since the execution range of the data (D2) can be changed by specifying the steps of the data (Dl) in an easy-to-understand manner, editing of enlarged display etc. can be performed very easily and freely after the transfer of the data (Dl).

The data (D2) in the memory tray is read and executed based on the activation command, and while the enlarged display is being performed, the execution status notification means of the enlargement control unit (9B) controls the data (D2).
) The starting address of each step (8 to 0) is sent to the system controller (2) as step information being executed in synchronization with the execution of each step (5) to (G).

Furthermore, the system control unit (413) detects steps (a) to (c) of the video development data that includes the head address that was fully referenced and received in the location information memo (January 14), and the corresponding step (a) The contents of ~(c) are expanded memo 1
5) and is displayed on the system monitor (6) in an easy-to-understand manner as the contents being executed.

At this time, the system controller (
2] Only the step information being executed, which has a small amount of data, is sent to the system monitor (6), so there is no delay in the display on the system monitor (6) from the enlarged display, and the enlarged display can be accurately viewed in real time from the system monitor (6). can be confirmed.

〔Effect of the invention〕

Since the present invention is configured as described above, it produces the effects described below.

Since the system controller is equipped with a position information memory, specified position identification means, and activation transfer means, and the enlargement device is equipped with an execution restriction means, after transferring the video expansion data to the enlargement device,
By using the step of the video development data, the execution range can be easily and freely changed by specifying either or both of execution start and execution end of the execution control data, and usability is significantly improved.

Furthermore, since the enlargement device is equipped with an execution status notification means and the system controller is equipped with an operation monitor, the content of the video development data corresponding to the step being executed in the enlargement control data can be displayed on the operation monitor in real time. The display status can be checked on the system controller, further improving usability.

[Brief explanation of the drawing]

1 to 4 show one embodiment of the multi-screen display device of the present invention, in which FIG. 1 is a block diagram, FIG. 2 is an explanatory diagram of video development data and execution control data, and FIG. 3 is position information. FIG. 4 is a flowchart for explaining the operation of the enlarging device, and FIG. 5 is a block diagram of the conventional device. [1) Video source device, (2) System controller, (4B) System control unit, (5) Expansion data memory, (6) System monitor, (7) Enlargement device, (8) Enlargement Processing unit, (9B)・Enlargement control unit,
1lol...Execution control memory, +12!・Multi-monitor device, (13:1 video monitor, (14) ・Position information memory.

Claims (1)

[Scope of Claims] [1] A system controller serving as a control device transfers video development data for display control to an enlargement device, and the enlargement device converts the video development data into execution control data and stores it in an execution control memory. After holding the data, the enlarger starts operating in response to a startup command from the system controller, enlarges the video signal of the video source device based on the execution control data to form a video signal for enlarged display, and displays the image. In a multi-screen display device that supplies signals to each video monitor arranged in a matrix of a multi-monitor device, and enlarges and displays the video signal of the source device on the multi-monitor device, the system controller is provided with information on each step of the video development data. a positional information memory that holds the head position information of the step of the corresponding execution control data; and a positional information memory that holds the start position information of the step of the corresponding execution control data, and starts and executes the execution control data specified in the step of the video development data based on the storage information of the positional information memory. specified position identification means for identifying one or both of the end positions, and activation transfer means for transmitting the identification result of the position identification means together with the activation command to the enlargement device, and the expansion device is provided with: A multi-screen display device, comprising: an execution restriction means for setting an execution range of control data to a range based on the designation of the identification result. [2] The enlarging device is provided with an execution status notification means for transmitting step information during execution of the execution control data to the system controller, and the system controller is provided with a screen displaying the contents of the video development data according to the step information during execution. Claim [1] characterized in that an operation monitor for displaying is provided.
The multi-screen display device described.