JPH06334793A - Picture information system - Google Patents

Abstract

PURPOSE:To obtain more effective picture information by devising the picture informa tion system such that both of a master set and a slave set write a required plotting graphics or the like in a terminal display picture as required in the picture information system such as an educational learning system or a conference system or the like. CONSTITUTION:In the picture information system in which a master set 1 and one slave set 2 or more are provided with and data picture generated by the master set 1 is sent to each slave set 2 and displayed on a display section of each slave set 2, it is characterized in that the slave set 2 is provided with a slave set side picture forming section generating a picture in addition to data picture from the master set 1, a synthesis section 21 synthesizing the received data picture and the picture generated by the slave set side image forming section and giving the result to a display section 22 and a transmission section sending picture information of the slave set side to the master set 1, and the master set 1 is provided with a reception picture synthesis section 113 executing processing for selective display, division display or overlap display of the received picture from one slave set 2 or more and is provided with a display section 16 displaying an output picture of the received picture synthesis section.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image information system such as an educational system or a conference system using images, and more particularly, an image drawn on a display image of each terminal from both a parent terminal and a child terminal as required. The present invention relates to an image information system capable of additionally writing.

[0002]

2. Description of the Related Art A conventionally known educational system using image information is such that a teacher has a master unit having an image creating / displaying function and a created image transmitting function, and each student has an image receiving function and a received image. After installing each child machine with a display function, the teacher on the parent machine creates an image of the question and presents it to the students on each child machine side, then verbally explains the problem and answers of each student , And if necessary, create a model answer and present it as an image to the students on each child device side.

[0003]

In the above education system, in order for the teacher to check the individual answers made by each student individually, the students have to answer orally and fill out the answer sheets and hand them to the teacher. In addition, the teacher gives instructions such as corrections to the individual answers of each student verbally. Therefore, the image display on the display is one-way from the teacher to the students, and it is hard to say that the image display function on the display is effectively used for group learning.

The present invention has been made in view of the above problems, and an object of the present invention is to provide both a master unit and a slave unit in an image information system such as an education / learning system or a conference system as needed. By making it possible to write necessary drawing figures and the like on the terminal display image, it is possible to perform group learning or a conference in which image information is used more effectively.

[0005]

In order to solve the above-mentioned problems, the image information system of the present invention comprises, as one form, a parent device and one or more child devices, and displays a material image created by the parent device. In an image information system that is transmitted to each child device and displayed on the display unit of each child device, the child device includes a child-side image creating unit that creates an image separately from the material image from the parent device, and a receiving unit. And a transmission unit 3 for transmitting the image information on the child device side to the parent device by combining the material image and the image created by the child image creation unit on the display unit.
The parent device includes a received image synthesizing unit 113 that performs a process for selectively displaying, splitting, or superimposing images received from one or more child devices, and a display unit that displays an output image of the received image synthesizing unit. It is characterized by having.

As another form of the image information system of the present invention, in the above-described image information system, the parent device creates an additional image separately from the material image, and an additional image creating section, and the material image or the received image is combined. It further comprises a synthesizing unit for synthesizing the output image of the unit and the additional image and giving the synthesized image to the parent device display unit.

The child-side image creating unit or the additional image creating unit described above includes a pointing device for inputting an image by drawing on the screen of the display unit, a memory for storing image information input by the pointing device, and a pointing device. It is possible to include a writing control unit that controls writing of the image information in the memory and a reading control unit that controls reading the image information from the memory.

[0008]

In the image information system of the present invention, the material image created by the parent device is transmitted to and displayed on each child device, and in the child device, the child-side image creation unit displays the material image while viewing it on the display unit. An image relating to the material image is created and transmitted to the parent device. The parent device processes the image received from each child device in the received image synthesizing unit and selectively displays, split-displays, or superimposes it on the display unit.

Further, the parent device performs processing such as adding an additional image to the image received from each child device or the material image of the parent device by the additional image creating unit, and the additional image is referred to as the material image or the received image. It can be combined and displayed on the display unit, or can be transmitted to a child device.

If a pointing device consisting of a light pen and a monitor display device is used for the above-mentioned child side image forming section or additional image forming section, an additional image can be easily added to the material image in the child apparatus and the parent apparatus. It is possible to improve the usability.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an image information system as an embodiment of the present invention. In the figure, 1 is a master unit, 2 is a slave unit, and the master unit 1 and the slave unit 2 are connected by a communication line 3. Although only one slave unit 2 is shown in the figure, a plurality of slave units are actually connected.

The master unit 1 is provided with a material image creating means 11 including a video tape recorder for reproducing TV images and a personal computer for creating exercises and the like, and outputs each output image signal of these video tape recorder and personal computer. The switching / combining unit 12 can be combined as needed.

The output image signal from the switching composition unit 12 is
It is sent to the slave unit 2 via the mode switch 13, to the video monitor 15 via the mode switch 14, and to the synthesizing unit 111 via the mode switch 112. Although only one mode switch 13 is shown in the figure, a plurality of mode switches 13 are actually provided corresponding to the plurality of slaves 2.

The monitor display device 16 also functions as a pointing device, and draws an image on the screen of the monitor display device 16 with the light pen 17 to create a drawn image signal (an XY coordinate signal of a drawn figure). be able to. The drawing image signal may include a writing pressure signal of a light pen. The created drawing image signal is stored in the memory 19 in page units (frame units) by the writing control unit 18.

The read image signal of the memory 19 is read out by the control unit 1.
It is read by 10 and input to the combining unit 111, where it is combined with the image signal input via the mode switch 112. The combined image signal from the combining unit 111 is input to the monitor display device 16 and also to the other input terminals of the mode switches 13 and 14, respectively.

Image signals from the respective slave units 2 are input to the selective division / synthesis unit 113 via the communication line 3, and the selective division / synthesis unit 113 displays the images from these plural slave units 2 on the screen. Combining in a multi-screen so that it is divided and displayed,
Processing such as selecting one of the images for single display is performed.

The mode switches 13 and 14 are switches for selecting one of the image signal from the switching synthesizing unit 12 and the image signal from the synthesizing unit 111 and sending them to the slave unit 2 or the video monitor 15, respectively. The mode switch 112 is a switch that selects one of the image signal from the switching / combining unit 12 and the image signal from the selective division / combination unit 113 and sends it to the combining unit 111. The mode switches 13, 14, 112 are switched by a control signal from the mode control panel 114.

The handset 2 is a monitor display device 2 that displays the received image and functions as a pointing device.
2. The light pen 23 is displayed on the screen of the monitor display device 16.
A light pen 23 that creates a drawn image signal (XY coordinate signal of a drawn figure) by drawing with, a memory 25 for storing the created drawn image signal in page units (frame units), and a drawn image in this memory 25 A writing control unit 24 for controlling writing of signals, a reading control unit 26 for controlling reading of drawn image signals from the memory 25, and a memory 2
5 is provided with a synthesizing section 21 for synthesizing the drawn image information from the master unit 1 and the image signal received from the master unit 1. The synthesized image signal from the synthesizing section 21 is sent to the monitor display device 22 and also via the communication line 3. The data is sent to the selective division / combination unit 113 of the parent device 1.

The operation of the educational system of the embodiment will be described below with reference to the drawings. Now, it is assumed that the teacher creates a geometric problem using the personal computer or the like of the material image creating means 11 on the base unit 1 side. This question is shown in Figure 2, for example.
It is assumed that the problem is to present a triangle and let the students enter a line that divides the area of the triangle into two, as shown in (A). The question image of (A) is displayed on the video monitor 15 of the parent device 1 from the switching synthesis unit 12 via the mode switch 14, and also on the monitor display device 16 via the mode switch 112 and the synthesis unit 111. Further, it is sent to each slave unit 2 via the communication line 3 and is displayed on the monitor display device 22 also on each slave unit 2 side.

The student of the child device 2 looks at the question image displayed on the screen of the monitor display device 22, and adds the answer to the question image on the screen using the light pen 23. The drawn image thus added is temporarily stored in the memory 25 by the writing control unit 24, and is further stored in the memory 2 by the reading control unit 26.
5, the combined image is combined by the combining unit 21 with the question image sent from the master unit 1, and the combined image is displayed on the monitor display device 22. Therefore, the student of the child device 2 can draw the line of the answer while confirming the writing condition of the answer on the monitor display device 22.

As an exemplary solution to the above-mentioned question, a line connecting a point that bisects the base of a triangle and a vertex is conceivable. For example, as shown in FIG. It is assumed that some students give the answers. These individual answers of each child device 2 are sent to the selective division / synthesis unit 113 of the parent device 1 via the communication line 3.

In the selective division / combination unit 113, the image of the personal answer sent from each child device 2 is displayed on the monitor display device 1, for example.
6 screens are combined to be displayed separately. Figure 2 (C)
Shows a state in which the individual answers ~ sent from the four students are multi-displayed on a 4-split screen. Also,
As shown in FIG. 2D, it is also possible to individually select, for example, only the image of the individual answer of the student and display it on the screen. These images are the mode switch 11
It is possible to display on the screen of the monitor display device 16 and the screen of the video monitor 15 by switching 2 and 14 to the side of the selective division / combination unit 113.

Here, after a predetermined set time has passed from the point of questioning, automatically or at a suitable time by a manual operation of the teacher, each slave unit 2 is operated from the mode control panel 114 on the master unit 1 side.
A write-inhibit signal can be sent to the.
When this writing prohibition signal is received, the writing control unit 24 on the side of each child device 2 prohibits the writing of the drawing image signal from the light pen 23 to the memory 25 thereafter, so that the answering time of the student to the question can be limited. it can.

Further, as shown in FIG. 2 (E), the teacher of the master unit 1 independently displays an unsuitable personal answer on the screen of the monitor display device 16 and corrects the correct answer example with the light pen 17
You can correct the individual answer by writing on the screen using. This corrected drawing image is temporarily stored in the memory 19 by the writing control unit 18, is further read from the memory 19 by the reading control unit 110, and is superimposed on the individual answer in the combining unit 111 and displayed on the monitor display device 16. Therefore, the teacher can correct the individual answer while confirming the writing condition of the corrected image. In addition, this corrected image is displayed on the mode switch 13
The individual answer is sent individually to the child device 2 and displayed on the monitor display device 22 of the child device 2 for individual learning instruction, or sent to the video monitor 15 via the mode switch 14 for display. It can be presented to all students and used as a material for collective learning.

Further, the teacher on the side of the base unit 1 prepares the model answer as shown in FIG. 2 (F) by the material image forming means 11 in advance or on the spot, and the model answer is passed through the mode switch 13 to each slave unit 2. To be displayed on the monitor display device 22. In this way, when the next material image (here, the model answer) is transmitted from the parent device 1, the writing control unit 18 prohibits the writing operation of the drawn image to the memory 25 on each child device 2 side. It is prohibited to erase the contents of the memory of the machine, or the read control unit 26
The drawing operation is prohibited by, for example, stopping the read operation from. In this way, the answer from each student can be completed by presenting the model answer.

Furthermore, by giving a display print control signal to the printer of the base unit 1 (not shown, it is arranged at the same position as the monitor display device 16), the individual answers from the respective handset units can be printed respectively. it can. Similarly, base unit 1
By giving a display print control signal from the mode control panel 114 to the printer (not shown, which is arranged at the same position as the monitor display device 22) of each child device 2, a material such as a correction solution or a model solution is provided. Images can be printed.

Various modifications are possible in carrying out the present invention. For example, in the above embodiment, the correction image on the master side and the drawing image on the slave side were handwritten images with a light pen, but of course the present invention is not limited to this, and images of various other forms. The input device can be applied instead of the light pen.

In the above-described embodiment, the master unit and the slave unit are connected by a dedicated communication line to send and receive the image information. However, not limited to the dedicated communication line, a public telephone line may be used between them. It is also possible to connect with each other by doing so, and by doing so, it becomes possible to carry out group learning with students scattered over a wide area.

In the above-described embodiment, the image transmitted from the slave unit to the master unit is a composite image in which the handwritten drawing image is combined with the material image of the master unit, but the image is not limited to this, and the slave unit to the master unit is not limited thereto. Image information to be transmitted to the handset is limited to handwritten drawing images created on the slave side, and the handwritten drawn images from each handset on the master side should be combined and displayed with the material image owned by the master itself. You may comprise.

Further, although the image information system of the present invention is applied to the education and learning system in the above-mentioned embodiments, the present invention is not limited to this, and a system having a similar configuration can be applied to the conference system. Is. In the case of such a conference system, a master unit is arranged on the chair side and a slave unit is arranged for each participant.

As an example of the use of this conference system, for example, the chair presents a question to each participant as shown in FIG. This question is an image showing the layout of a certain exhibition hall, and the agenda of the conference is to discuss where each participant is in charge of the exhibition in the exhibition layout. Using the light pen, each participant writes the place he / she wants to take charge of in the exhibited layout. For example, (B), (C), and (D) of FIG. 3 show states in which different participants write in their desired locations. The image entered by each participant is sent to the base unit side and is displayed on the video monitor to be presented to each participant, whereby each participant can discuss the suitability of the location.
In addition, as the image displayed on the video monitor of the base unit,
The placement location proposed by each participant may be displayed in multi-screen on a split screen, or it may be displayed by combining the placement location image from each participant on the exhibition layout image of the question. Good.

Furthermore, by giving a group control signal for grouping each slave unit (participant) from the master unit to each slave unit, the slave units in the same group write according to a common theme. You will be able to hold a meeting while writing with a pen. In this case, the writing images are superposed on the child devices in the same group so that they can be displayed only on the monitor display device of the child devices in the group. As described above, in the image information system, it is possible to divide the slave units into groups and perform group-based learning, meetings, and discussions.

[0033]

As described above, according to the present invention, in an image information system such as an education / learning system or a conference system, both the parent terminal and the child terminal draw a graphic on each terminal display image as needed. Etc. can be written, so that group learning or a conference can be effectively carried out by using this writing function.

[Brief description of drawings]

FIG. 1 is a block diagram showing an image information system as an embodiment of the present invention.

FIG. 2 is a diagram showing an example of image display by the embodiment system.

FIG. 3 is a diagram showing another example of image display of the embodiment system.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Parent machine 2 Child machine 11 Material image creation means 12 Switching composition section 13, 14, 112 Mode switch 15 Video monitor 16, 22 Monitor display device 17, 23 Light pen 18, 24 Writing control section 19, 25 Memory 26, 110 Read Control unit 21, 111 Combiner 113 Selective division combiner 114 Mode control panel

Claims (3)

[Claims] 1. A master device (1) and one or more slave devices (2) are provided, and a material image created by the master device is transmitted to each slave device and displayed on a display unit (22) of each slave device. In the image information system described above, a child-side image creation unit (22 to 26) that creates an image separately from the material image from the parent device, the received material image and the child-side image creation in the child device. The parent device is provided with a synthesizing unit (21) for synthesizing the image created by the unit and giving it to the display unit, and a transmitting unit (3) for transmitting image information on the child device side to the parent device. , A received image synthesizing unit (113) that performs a process for selectively displaying, dividing, or superimposing images received from the one or more child devices, and a display unit (displaying an output image of the received image synthesizing unit (113). 15 and 16), and an image information system. 2. The parent device, an additional image creating unit (16 to 19, 110) for creating an additional image separately from the material image.
The image according to claim 1, further comprising: a combination unit (111) that combines the material image or the output image of the received image combination unit with the additional image and gives the combined image to the parent device display unit (15, 16). Information system. 3. The child-side image creation unit or the additional image creation unit is a pointing device (16, 17, or 22, for inputting an image by drawing on the screen of the display unit,
23), a memory (19 or 25) for storing the image information input by the pointing device, a writing control section (18 or 24) for controlling the writing of the image information from the pointing device to the memory, and the memory. A read control unit (26 that controls to read image information from the
Or 110), the image information system according to claim 1 or 2.