JPH0934417A - Image display control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simply and intuitively describe a procedure for controlling image display in a system which controls the image display according to the action of a car in relation to an image display device installed in the cage of an elevator. SOLUTION: An image display control system is provided with a digital image/sound recorder 4 for storing multiple kinds of image information, a scenario data memory 33 for storing a scenario of image display, and a control circuit 31 for controlling the image display based on the scenario. The scenario data memory 33 stores a material table for recording names of image regeneration files, etc., a condition table for designating a regeneration file name, and a transition condition table for recording transition conditions of respective states in the case of making an image display state transient according to action of a cage 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video display device installed on a moving body having a plurality of operating functions, such as a car of an elevator, for switching and displaying the image according to the movement of the moving body. The present invention relates to a display control system.

[0002]

2. Description of the Related Art In recent years, in order to relieve tension between passengers who have boarded an elevator car and to provide passengers with various information, an image display device is installed in the car to display environmental images. It has been proposed to display or character information (Japanese Patent Laid-Open No. 3-182489).

In an elevator system equipped with such a video display device, it is an appropriate video to switch the display video according to operations such as raising and lowering movement of a car, opening and closing of doors, control operation status, etc. It is effective in providing information and gathering the eyes of many passengers. Therefore, multiple types of video data are stored in the hard disk device in advance,
An elevator system in which these images are switched and displayed according to the operation of the car can be considered. The image display control in the elevator system is performed by a control procedure for obtaining the control information of the car from the control device controlling the operation of the elevator and switching the images in time series in synchronization with the control information. Can be done.

[0004]

However, in the conventional image display control, when the control procedure synchronized with the control information of the car is described in the computer program, the control procedure is complicated depending on the driving state. Since such branch processing is included, the description of the control procedure becomes extremely difficult. In addition, even if a part of the control procedure is changed due to the change in specifications, it is necessary to significantly modify the program.
It takes a lot of time and effort. Furthermore, when describing the control procedure, there is a problem that it is difficult to intuitively grasp and describe the switching situation of the display image according to the actual operation of the car.

The object of the present invention is to easily and intuitively describe the processing for controlling the image display according to the operation of a moving body such as a car, and to flexibly deal with the specification change. It is to provide a video display control system.

[0006]

An image display control system according to the present invention has the following configuration. (a) Material data storage means in which a plurality of types of video information is stored as material data, (b) Material data storage means for storing a plurality of types of video display for each video display device Table storage means for storing table information to be read from the means, (c)
A transition condition including a transition source state, a transition destination state, and a transition condition that should cause the state transition when the video display is transitioned from one state to another one state according to the operation of the mobile body. A word, a transition condition storage means stored for each state transition, (d) acquiring control information for the mobile unit, searching the transition condition storage means based on the control information, and using the control information as a transition condition. Retrieval means for reading out the transition condition word that includes and extracting the transition destination state when the transition source state specified by the transition condition word is the current state, and (e) extracted by the retrieval means from the table storage means A control unit that extracts table information corresponding to the selected transition destination state, reads specific material data from the material data storage unit based on the table information, and supplies the specific material data to the video display device.

In the above video display control system, the control information is used for controlling the operation of the moving body and at the same time acquired by the search means. The search means searches the transition condition storage means based on the acquired control information. Here, the transition condition storage means stores a transition condition word for each transition from one state to another one for the display states of all the images to be displayed on the image display device. Among these, a transition condition word containing the control information as a transition condition is 1
Alternatively, a plurality of items will be included. Further, one of the plurality of transition condition words includes one transition condition word whose transition source state is the same as the current state. The transition condition word specified by this includes the display state of the next image to be displayed on the image display device when the mobile body performs the next operation according to the control information. Therefore, as a result of the search by the search means, the transition destination video display state is extracted.

Next, the control means inputs the image display state of the transition destination to the table storage means. Here, the table storage means stores table information for each video display state, and the table information stores a storage address or a file for reading material data to be displayed on the video display device from the material data storage means. The first name is included. Therefore, the table information including the storage address or file name of the material data to be displayed in the video display state of the transition destination is extracted from the table storage means. Then, based on the table information, the specific material data is read from the material data storage means and supplied to the video display device.

As a result, the image displayed on the image display means is automatically switched according to the operation of the moving body.

In a specific configuration, a speaker device is set in the moving body, acoustic information is further stored as material data in the material data storage means, and is read from the material data storage means by the control means. The acoustic information is supplied to the speaker device. As a result, the sound emitted from the speaker device is automatically switched according to the operation of the moving body.

Further, in a specific configuration, the table storage means further stores character information to be displayed on the video display device as table information. In this case, the character information read from the table storage means is supplied to the video display device. As a result, characters corresponding to the state of the moving body are displayed on the video display device.

In another specific configuration, the table storage means further stores, as table information, special effect information for specifying a special effect to be given to the display image on the image display device. In this case, the special effect information read from the table storage means is supplied to the video display device, and as a result, the display video of the video display device has a special effect such as a wipe process according to the operation of the moving body. Will be given.

In still another specific configuration, the moving body is an elevator car, and a video / image display device is installed in the car. In this case, the display image of the image display device is automatically switched according to the operation of the car, that is, the elevator car up / down, door opening / closing, control operation status, and the like.

[0014]

In the video display control system according to the present invention, data is stored in a predetermined format in the table storage means and the transition condition storage means, so that one video display state is obtained according to the control information. Since the video switching process for transitioning from one to another video display state is described, it is not necessary to describe a complicated computer program as in the conventional case, and the video display control according to the operation of the moving body can be performed. The processing for can be described easily and intuitively. Further, when changing the specifications, it is possible to simply rewrite the data stored in the table storage means and the transition condition storage means, and it is not necessary to rewrite the computer program significantly as in the conventional case. It is possible to respond flexibly.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention applied to an elevator system will be specifically described below with reference to the drawings. FIG. 1 shows the overall configuration of the elevator system, in which a speaker (11) and a video display device (12) are installed inside a car (1) whose operation is controlled by an elevator control device (2). is set up. The speaker (11) and the video display device (12) are connected via the video / audio control device (3) to
Digital video / audio recording device (4) and scenario editing device
(5) is connected.

The video / audio control device (3) includes a speaker (11).
And controlling the supply of audio signals and video signals to the video display device (12). The digital video / audio recording device (4) is composed of, for example, a hard disk device,
A large number of video signals and audio signals corresponding to the operation of the car (1) are recorded as material data.

The scenario editing device (5) is composed of a computer system having an input / output device such as a mouse type input device and a display, and a speaker is described by a scenario description system using a GUI as described later.
The sound to be emitted from (11) and the scenario of the video to be displayed on the video display device (12) are edited.

The video / audio control device (3) comprises a control circuit (31) consisting of a microcomputer, a video memory (32), a scenario data memory (33) and a D / A converter (34). A scenario editing device (5) is connected to the control circuit (31), and a digital video / sound recording device (4) is connected to the video memory (32). The control circuit (31) of the video / audio control device (3) receives the scenario data supplied from the scenario editing device (5), temporarily stores it in the scenario data memory (33), and then the scenario data memory ( By accessing 33), video display control and sound reproduction control based on scenario data are executed.

The video signal recorded in the digital video / audio recording device (4) is read out to the video memory (32), and the video display control by the control circuit (31) is performed on the video memory (32). After receiving the car, go through the D / A converter (34) and then the car
It is supplied to the video display device (12) of (1). Further, the audio signal recorded in the digital video / audio recording device (4) is subjected to the audio reproduction control by the control circuit (31), and then D / A.
It is supplied to the speaker (11) of the car (1) via the converter (34).

By the editing operation using the scenario editing device (5), the scenario data memory (33) stores the transition condition table (6), the state table (7), and the material table (in the format shown in FIG. 2). 8) is created. The editing operation and the editing screen using the scenario editing device (5) will be described later.

The material table (8) includes types of images (still images, moving images, characters, etc.) to be displayed on the image display device (12), types of sounds to be emitted from the speaker (11) (voices, etc.), Further, one or a plurality of material specifying words W are stored for each type number for specifying the type of image processing (special effect or the like) to be given to the display image.

The material specific word W for a still image, a moving image and a sound is composed of "content number", "playback file name", "playback attribute" and "other attributes". here,
The "content number" is an identification number given to all materials, and the "playback file name" is a file of still image data, moving image data or audio data recorded in the digital video / audio recording device (4). Name, "playback attribute"
Represents an attribute that should be considered during reproduction.

The material specific word W for characters is composed of "content number", "character data", "reproduction attribute" and "other attributes". Here, the "character data" is composed of code data of a character string to be displayed on the video display device (12). The material specific word W for special effects is
It is composed of "content number", "effect type", "playback attribute" and "other attributes". Where “type of effect”
Specifies the type of special effect to be given to the display image, for example, the wiping process for opening the door, the wiping process for closing the door, and the like.

The status table (7) includes a video display device (12).
The state-specific word V is stored for all the images to be displayed in. The state specific word V is composed of "status number", "type number", "content number" and "other attribute information". Here, the "status number" is an identification number given to all video display states (hereinafter referred to as "status"). "Type number" and "content number" are
The type number and the content number of the material table (8) are specified. The "other attribute information" includes, for example, a delay time of video display.

The transition condition table (6) includes a video display device.
A transition condition word U for specifying a transition condition when the video to be displayed in (12) is transited from one status to another status according to the operation of the car is stored for each status transition. There is. The transition condition word U is composed of “transition condition number”, “status”, “transition destination status”, “transition condition” and “other attribute information”. Here, the "transition condition number" is an identification number given to all status transitions. “Status” represents the current or transition source status number, and “transition destination status” represents the transition destination status number. The "transition condition" includes elevator control information such as a car acceleration / deceleration command, a door opening / closing command, and a control operation command as a transition condition that should cause a status transition. The "other attribute information" includes necessary exclusive processing and the like.

Therefore, when one transition condition word U stored in the transition condition table (6) is selected as will be described later in a certain operating state of the car (1), as shown by an arrow in the figure. , One of the state specific words V stored in the state table (7) is designated by the "transition destination status" included in the transition condition word U, and the "type number" included in the state specific word V and The "content number" is specified. As a result, a plurality of material specifying words W registered under the "type number" are selected from the material table (8), and one of the material specifying words W including the "content number" is selected from among these. Digital video / audio recording device with material specific word W specified
The reproduction file name, character data, or special effect type to be read from (4) is determined.

FIG. 3 shows an image display according to the operation of the car (1) based on the transition condition table (6), the state table (7) and the material table (8) in the operating condition of the car (1). And a control procedure for performing sound reproduction.

First, in step S1, the transition condition table
As the "status" of the transition condition word U stored in (6), the initial value "1" representing the initial image is set. Next, in step S2, the elevator control information is acquired from the elevator control device (2), and in step S3, the transition condition table (6) is acquired based on the acquired elevator control information.
And the transition condition words U stored in the transition condition table (6) are sequentially read. Then, in step S4, it is determined whether or not the read transition condition word U includes a transition condition (trigger) that matches the acquired elevator control information. When the determination is NO, the process returns to step S2, and the acquisition of elevator control information and the search of the transition condition table are repeated.

Thereafter, when YES is determined in the step S4, the process shifts to a step S5 and whether the current status matches with the "status" included in the transition condition word U that matches the transition condition. If NO, the process returns to step S2. If YES in step S5, the "transition destination status" included in the transition condition word U is recognized, and in step S6, the recognized transition is selected from the state table (7). The state specific word V having the status number specified by the previous status is read out, and as described above, the video display and sound reproduction processing based on the state specific word V is executed. Finally, in step S7, the control procedure is terminated after determining whether or not to terminate the video display and sound reproduction processing.

According to the above control procedure, the image displayed on the image display device (12) of the car (1) and the speaker (11)
The sound emitted from is switched depending on the operation of the car (1). For example, FIG. 4 shows an image display example during normal operation, and FIG. 5 shows an image display example during emergency operation. These images are automatically switched based on elevator control information. That is, when an emergency occurs during normal operation, emergency stop control information is supplied to the car (1), and at the same time, the display image is switched from FIG. 4 to FIG. 5 based on the control information. .

FIG. 6 shows a GUI by the scenario editing device (5).
9 shows a scenario edit operation and edit screen using I. However, it is assumed that the material table (8) of FIG. 2 is created in advance. First, on the editing screen of FIG. 6, necessary statuses 1 to 4 are dragged from a tool menu (not shown) and arranged on the main screen. In response to this operation, FIG.
The state table (7) will be automatically created.

Next, by connecting the statuses with arrows as shown in FIG. 6, the status of the transition source and the status of the transition destination are specified, and the transition condition (trigger 1 to 4) is clicked with the mouse for each status transition. Set by operation. In accordance with this operation, the transition condition table (6) of FIG. 2 is automatically created.

The process of automatically creating the transition condition table (6) and the state table (7) in accordance with the operation of the scenario editing device (5) is a conventional technique in the field of GUI. Omit it.

In the above elevator system, the scenario of video display and sound reproduction is hierarchically defined by the table structure as shown in FIG. 2, and therefore, the editing screen by the GUI as shown in FIG. It is possible to easily and intuitively describe the procedure of video display and sound reproduction processing according to the operation of the car (1). As a result, there is no need to write complicated computer programs as in the past.
It is possible to flexibly respond to changes in specifications.

The description of the above embodiments is for the purpose of illustrating the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope thereof.
In addition, the configuration of each part of the present invention is not limited to the above-described embodiment, and it goes without saying that various modifications can be made within the technical scope described in the claims. For example, the image display control system of the present invention is not limited to the elevator car, but can be applied to the image display on rail cars, buses, and other moving bodies.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an elevator system according to the present invention.

FIG. 2 is a diagram showing a data format of a transition condition table, a state table and a material table.

FIG. 3 is a flowchart showing a procedure of video display and sound reproduction control.

FIG. 4 is a diagram showing an example of image display during normal operation.

FIG. 5 is a diagram showing an example of image display during emergency operation.

FIG. 6 is a diagram showing a scenario edit screen.

[Explanation of symbols]

 (1) Car basket (11) Speaker (12) Video display device (2) Elevator control device (3) Video / audio control device (31) Control circuit (33) Scenario data memory (4) Digital video / audio recording device ( 5) Scenario editing device

Claims (5)

[Claims] 1. A video display control system for switching and displaying a video image according to the operation of a mobile object on a video display device installed in a mobile object having a plurality of operation functions. Material data storage means in which is stored as material data, and for each state of multiple types of image display on the image display device,
Table storage means for storing the table information for reading the material data for the video display from the material data storage means, and the video display from one state to another one according to the operation of the moving body.
Transition condition storage means that stores a transition condition state for transitioning to one state, a transition destination state, and a transition condition that should cause the state transition, for each state transition; Acquisition of control information for a moving object, retrieval of transition condition storage means based on the control information, reading of a transition condition word including the control information as a transition condition, and a transition source state specified by the transition condition word Is a current state, the search means for extracting the state of the transition destination, and the table storage means, to extract the table information corresponding to the state of the transition destination extracted by the search means, based on the table information, A video display control system comprising: a control means for reading out specific material data from the material data storage means and supplying it to a video display device. 2. A speaker device is set in the moving body, acoustic information is further stored as material data in the material data storage means, and acoustic information read from the material data storage means by the control means is the speaker. The video display control system according to claim 1, which is supplied to the device. 3. The video display control system according to claim 1, wherein the table storage means further stores character information to be displayed on the video display device as table information. 4. The image display control system according to claim 1, wherein the table storage means further stores, as table information, special effect information for specifying a special effect to be given to a display image of the image display device. . 5. The image display control system according to claim 1, wherein the moving body is an elevator car, and the video image display device is installed in the car.