JPH03179966A - Still picture conference device - Google Patents

Abstract

PURPOSE:To judge the user of a still picture conference terminal to which a pointer travel right is given visually by changing a pointer to be displayed on the screen of a monitor visually based on pointer travel right attached terminal information received with each still picture conference terminal. CONSTITUTION:When the operation of a mouse 6a is performed with the user of the still picture conference terminal 1a, the control part 12 of inter-multipoint communication equipment 2 supplies the pointer travel right to the still picture conference terminal 1a via the sequence of request/acquisition of the pointer travel right between the still picture conference terminal 1a. Next, the pointer travel right attached terminal information representing the above fact is generated, and it is transmitted to each still picture conference terminal 1a via a line interface part 8a. At the still picture conference terminal 1a, a pointer 14a is displayed on the screen of the monitor 4a in a color, for example, 'red' representing the fact that pointer travel right is attached on the still picture conference terminal 1a.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a still image conference device that exchanges still image information and audio information between a plurality of still image conference terminals and conducts a still image conference.

[Conventional technology]

Figure 6 shows, for example, the conventional still image conferencing device shown in the 1985 IEICE General Conference, Proceedings 1360, ``Study of Multipoint-to-Multi-point-to-vertical-1 Set in R64Kb/s Communication Conferencing System.'' FIG. In the figure, 1a to 1d are a plurality of still image conference terminals, and 2 is a multipoint communication control device that controls still image conference communication between these still image conference terminals 18 to ld. 38~
3d is a data transmission line connecting each of these still image conference terminals a to 1d and each point-to-point communication control device 2.

In each of the still image conference terminals 18 to 1d, 4a to 4d are monitors that display still images communicated between the still image conference terminals 1a to 1d, and 5a to 5d are monitors 4a to 4.
This is a pointer displayed on the screen of d together with the still image. Reference numerals 6a to 6d designate mice as pointer position moving means for moving the positions of these pointers 58 to 5d, and 7a to 7d transmit and receive pointer information including a pointer movement right request signal requesting the right to move the pointers 5a to 5d. The pointer information transmitting/receiving unit also functions as a pointer movement right requesting means.

In the point-to-point communication control device 2, 8a to 8d are line interface units that control interfaces with the data transmission lines 3a to 3d. 9 is a line interface section 8a~
Each still image conference terminal 18~ interfaced with 8d
It is an audio information processing means that processes audio input information from 1d and sends audio output information to each still image conference terminal 18 to 1d3 to line interface units 8a to 8d. 10 processes still image input information from each still image conference terminal 18 to 1d interfaced with line interface units 88 to 8d;
It is still image information processing means that sends still image output information to each still image conference terminal 1a to 1d to line interface units 88 to 8d. 11 manages pointer movement right request information from each of the still image conference terminals 1a to 1d interfaced with the line interface units 88 to 8d, and grants the pointer movement right to one of the still image conference terminals 1a to 1d; 41'1. of the pointers 5a to 5d of the still image conference terminals 18 to 1d that gave the pointer movement #A. This is a control unit that passes pointer information including +α information to each still image conference terminal 18 to 1d.

Next, the operation will be explained. Assume that a still image conference is currently being held between four still image conference terminals 18 to 1d. At that time, for example, the user of the still image conference terminal la displays the monitor 4. When the mouse 6a is used to move the pointers 5a of A and J2, the pointer information transmitting/receiving section 7a sends pointer information requesting the right to move the pointer to the data transmission path 3a. Point-to-point communication control device 2
Then, the pointer information received by the line interface unit 8a is sent to the control unit 11, and the pointer movement right is granted to the still image conference terminal 1a through a sequence of requesting/obtaining the right to move the pointer to the still image conference terminal 1a. give.

Thereafter, based on the pointer information sent from the still image conference terminal 1a, the control unit 11 of each point-to-point communication control device 2 generates pointer information including information indicating the pointer display position, and transmits it to the line interface. Part 8b-8
d to each still image conference terminal 1b to 1d via data transmission lines 3b to 3d. Each still image conference terminal 1b to 1d
Then, when the pointer information from the point-to-point communication control device 2 is received by the pointer information transmitting/receiving sections 7b to 7d, the pointer 5a of the still image conference terminal 1a is displayed on each monitor 4b to 4d according to the pointer display position information. Pointers 5b to 5d are displayed at the same position as the position.

A display example of the pointers 5a to 5d and still images processed by the still image information processing means 10 is shown in FIG. In this way, the users on each of the still image conference terminals a to 1d refer to the same still image displayed on the respective monitors 4a to 4d and the pointers 5a to 5d located at the same position.
A still image conference is held between each location using the audio information processed by the audio information processing means 9. Note that the detailed contents of the processing within the audio information processing means 9 and the still image information processing means 10 are not directly related to the essence of the present invention, and therefore will not be described here.

Also, when the pointer on the monitor 4b is moved by the user of the still image conference terminal 1b operating the mouse 6b, the control section 11 of each point-to-point communication control device 2 is moved, as in the previous case. If the still image conference terminal 1a abandons the pointer movement right (ends use of the mouse 6a) through a sequence of requesting/obtaining the pointer movement right between Given.

Thereafter, each still image conference terminal 1a is moved in the same way as when the still image conference terminal ↓a had obtained the right to move the pointer.

In lc and ld, pointers 5a, 5c, and 5d are displayed on each monitor 4a, 4c, and 4d at the same position as the display position of pointer 5b of still image conference terminal 1b, according to pointer information from each point-to-point communication control device 2. do.

[Problem to be solved by the invention]

Since the conventional still image conference device has the number of tanks as described above, the pointers 5a to 5d displayed on the monitors 48 to 4d
From the display, it is difficult to visually determine which still image conference terminal 1a to ld users have the right to move the pointer, and it is difficult to visually determine which user has the right to move the pointer. There was an issue that needed to be met.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a still image conference device that can visually determine a user who has been given the right to move a pointer from a display on a monitor.

[Means to solve the problem]

The still image conference device according to the present invention has each point-to-point communication control device manage pointer movement right request information sent from each still image conference terminal, and assigns pointer movement right to one of the still image conference terminals. and generates pointer movement tank belonging terminal information indicating the still image conference terminal to which the right to move the pointer has been granted and sends it to each still image conference terminal. , a pointer control means is provided for visually changing the pointer displayed on the monitor screen based on the pointer movement tank belonging terminal information.

[Effect]

The point-to-point communication control device according to the present invention is a pointer movement type control means that manages pointer movement right request information sent from each still image conference terminal. The terminal information belonging to the pointer moving tank indicating the still image conference terminal is transmitted to each still image conference terminal, while each still image conference terminal receives and receives information from each point-to-point communication control device. By visually changing the pointer displayed on the monitor screen according to the terminal information to which the pointer movement right belongs, it is possible to visually determine the user who is given the pointer movement right based on the display on the monitor. Realize a possible still image conference device.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings. 1st
In the figure, la to 1d are still image conference terminals, 2 is an inter-point communication control device, 3a to 3d are data transmission lines, and 4a to 4
d is a monitor, 6a to 6d are mouses as pointer position moving means, 78 to 7d are pointer information transmitting and receiving units which also function as pointer movement right requesting units, 88 to 8d are line interface units, 9 is audio information processing means, 10 1 is a still image information processing means, which is the same as, or corresponds to, those in the conventional system denoted by the same reference numerals in FIG. 6, and therefore detailed explanation will be omitted.

12, similar to the control unit 11 shown in FIG. One of the conference terminals 18 to ld is given the right to move the pointer, and the still image conference terminal 1 to which the right to move the pointer is given
Pointer information including pointer position information of 8 to 1d is sent to each still image conference terminal 1a to 1d, and pointer movement tank belonging terminal information indicating the still image conference terminal 1a to 1d to which the pointer movement right has been granted is generated. The controller also functions as pointer movement type control means for transmitting the information to each of the still image conference terminals 1a to 1d. 13a-13c
l is located in each of the still image conference terminals 18 to ld, and the monitor 48
It is a pointer control means that visually changes the pointer displayed on the screen of ~4d, and l 4 a = 14.
d is a pointer whose color can be changed, for example, by the pointer control means 13a to 13d.

Next, the operation will be explained. Now, for example, when the user of the still image conference terminal 1a operates the mouse 6a and moves the pointer 5a on the monitor 4a, the control section 12 of the long-point point-to-point communication control device 2 operates as in the conventional case. Request for pointer movement right with still image conference terminal 1a/
Through the acquisition sequence, the still image conference terminal 1a is given the right to move the pointer. When the control unit 12 grants the pointer movement right to the still image conference terminal 1a, it then generates pointer movement tank belonging terminal information indicating this and sends it to each still image conference terminal a via the line interface unit 8a. . In the still image conference terminal 1a, under the control of the pointer control means 13a that has received the information on the terminal belonging to the pointer movement tank, the pointer 14a is displayed in a color indicating that the still image conference terminal 1a has the right to move the pointer, for example, "red". It is displayed on the screen of the monitor 4a.

Thereafter, the still image conference terminal 1 is transferred to the long point-to-long point communication control device 2.
Pointer information including information indicating the display position of the pointer as the mouse 6a moves is input from a. Based on this, the control section 12 of the long point-to-point communication control device 2 generates 1-pointer information including pointer position information and terminal information to which the pointer transfer tank belongs, and transmits the pointer information to the line interface sections 8b to 8.
d to each of the still image conference terminals 1b to d via data transmission lines 3b to 3d. Each still image conference terminal 1b-1d
When this pointer information is received, each monitor 4b to 4
At the same position as the display position of the pointer 14a of the still image conference terminal 1a on d, under the control of the pointer control means 13a, a pointer 14b- is displayed in the color "red" indicating that the right to move the pointer belongs to the still image conference terminal 1a. Display 14cl.

A display example of the pointers 14a to 14d and the still image processed by the still image information processing means 10 at this time is shown in FIG. In this way, the users of the still image conference terminals 18 to 1d can see the same still image displayed on the respective monitors 4a to 4d and the pointers 14a to 14 located at the same position.
While referring to d, a still image conference is held between each location using the audio information processed by the audio information processing means 9. Note that the users of each still image conference terminal 18 to 1d use monitors 48 to 4.
Pointers 14a to 14.d displayed. The color of d is “
Since it is "red", it is known that the user who has the right to move the pointer is the user of the still image conference terminal 1a.

Furthermore, when the pointer on the monitor 4b is moved by the user of the still image conference terminal 1b operating the mouse 6b, the pointer is moved between the pointer and the control unit 12 of the long point-to-point communication control device 2, as in the case described above. After the sequence of requesting/obtaining the pointer movement right, if the still image conference terminal 1a has given up the pointer movement right, the pointer movement right is given to the still image conference terminal 1b. As a result, on the monitor 4b from the still image conference terminal, the pointer 14b changes to a color indicating that the still image conference terminal 1b has the right to move the pointer, for example, ``''
Each still image conference terminal 1a, l is displayed in blue.
On monitors 4a, 4c, and 4d of c and ld, monitor 4b
The pointer 1.4a is displayed in the same position as the pointer 14-b in the same color "blue".

L4c and L4d are displayed. Pointer 4 at this time
A display example of a to 14d and a still image is shown in FIG.

The same is true when the pointer movement right is given to the still image conference terminal 1c or ld, and in the case of the monitor 4c or 4d of the still image conference terminal 1G or 1d, the pointer movement right is given to the still image conference terminal 1C or 1d. pointer with a color that indicates the color, such as "green" or "yellow"
Alternatively, 14d is displayed, and the pointer 14c or 14. is displayed on the monitor of the other still image conference terminal. It is displayed in the same color at the same place as d. Pointer 1 at this time
Display examples of 48 to 14d and still images are shown in FIG. 4 or FIG. 5, respectively.

In the above embodiment, a still image conference terminal with the right to move the pointer is visually distinguished by changing the color of the pointer. However, by changing the shape of the pointer or both the shape and color, They may be visually distinguished, and the same effect as in the above embodiment can be achieved.

〔Effect of the invention〕

As described above, according to the present invention, the pointer movement right request information sent from each still image conference terminal is managed, the pointer movement right is granted to one of the still image conference terminals, and the pointer movement right is granted. The terminal information belonging to the pointer movement tank indicating the still image conference terminal that has been received is sent to each still image conference terminal, and each still image conference terminal receives, based on the information on the terminal to which the pointer movement right belongs, I designed it so that the pointer displayed on the monitor screen changes visually.
This has the effect of providing a still image conference device that can visually determine the user of the still image conference terminal to whom the right to move the pointer has been granted from the display screen of the monitor.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing a still image conference device according to an embodiment of the present invention, and FIGS. 2 to 5 show examples of displaying pointers and still images when each still image conference terminal has the right to move the pointer. FIG. 6 is a block diagram showing a conventional still image conference device, and FIG. 7 is an explanatory diagram showing an example of displaying the pointer and still images. 18 to 1d are still image conference terminals, 2 is a point-to-point communication control device, 38 to 3d are data transmission paths, 48 to 4d are monitors,
68 to 6d are pointer position moving means (mouse); 78 to 6d;
7d is a pointer movement bar requesting means (pointer information transmitting/receiving section); 9 is an audio information processing means; 10 is a still image information processing means; 12 is a pointer movement right control means (control section);
13a to 13d are pointer control means, and 14a to 14d are pointers. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims (1)

[Claims] A pointer position moving unit that transmits and receives audio information and still image information and moves the position of a pointer displayed on a monitor screen displaying the still image information, and a pointer that requests the right to move the pointer by the pointer position moving unit. pointer movement right requesting means for transmitting movement right request information;
and a still image conference terminal having a pointer control means for visually changing a pointer displayed on the screen of the monitor based on pointer movement right belonging terminal information indicating a terminal to which the pointer movement right has been granted; The still image conference terminals are connected via a data transmission path, and an audio information processing means for processing the audio information sent from each of the still image conference terminals; Still image information processing means that processes still image information, and manages the pointer movement right request information sent from each of the still image conference terminals, and moves the pointer to one of the still image conference terminals. and a multipoint communication control device having pointer movement right control means for granting the pointer movement right belonging terminal information and transmitting it to each of the still image conference terminals.