WO2007135300A1

WO2007135300A1 - Remote transmission system in particular for remote learning, remote demonstration or remote entertainment

Info

Publication number: WO2007135300A1
Application number: PCT/FR2007/000873
Authority: WO
Inventors: Guillaume Boucher; Jacques Loussouarn
Original assignee: Guillaume Boucher; Jacques Loussouarn
Priority date: 2006-05-24
Filing date: 2007-05-24
Publication date: 2007-11-29
Also published as: FR2901655A1; EP2025149A1; FR2901655B1

Abstract

The invention concerns a remote transmission system, comprising a base station device and a remote device. The base station device (11) comprises at least one main camera (12) equipped with zoom adjusting means (13) and azimuth or viewing adjusting means (16); one auxiliary camera (18) equipped with zoom adjusting means (19) and azimuth or viewing adjusting means (22); and main viewing means (25) comprising at least one main means for viewing images derived from said main camera (12). The remote device comprises secondary viewing means including at least one main means for viewing images derived from said main camera (12) and at least one auxiliary means for viewing images derived from said auxiliary camera; azimuth selecting means for selectively choosing one point or region on the images displayed on the main viewing means and the auxiliary viewing means; and zoom selecting means for introducing a value selection of the auxiliary camera. The system further comprises control means for modifying the azimuth adjustment and control means for modifying the zoom adjustment.

Description

Teletransmission system for, in particular, tele-training, tele-demonstration or tele-show.

The present invention relates to the field of teletransmission systems for example to implement teleformations, tele-demonstrations or tele-shows.

Currently, there are teletransmission systems that allow images to be taken at a location, at the initiative of an operator, to broadcast to other remote locations to users.

The present invention aims to improve such systems. The teletransmission system includes a basic equipment for at least one main operator and arranged at one location for taking pictures of a scene and at least one remote equipment for at least one remote user and connected to said basic equipment by teletransmission means for viewing the images of the basic equipment.

According to the invention, the basic equipment comprises at least one main camera provided with zoom adjustment means and azimuth or aiming adjustment means; at least one secondary camera provided with zoom adjustment means and azimuth or aiming means; and main display means including at least one main means for viewing images from said main camera.

According to the invention, the remote equipment comprises secondary display means comprising at least one main means of viewing the images from said main camera and at least one secondary means of viewing the images from said secondary camera; azimuth selection means for selectively selecting a point or an area on the images appearing on the main display means and the secondary display means of the secondary display means; and zoom selection means for inputting a zoom value selection of the second camera.

According to the invention, the system also includes azimuth adjustment change control means, subjected to said azimuth selection means of the remote equipment, and adapted to control said azimuth adjustment means of the secondary camera. to orient the secondary camera according to the selected azimuth; and zoom setting change control means, subjected to said zooming means of the remote equipment, and adapted to control said zooming means of the secondary camera so as to adjust the zoom of the secondary camera to the chosen value.

According to the invention, said azimuth adjustment change control means is preferably adapted so that the selected point is placed approximately in the middle of the resulting image after adjustment.

According to the invention, said azimuth setting change control means is preferably adapted so that the selected area is placed approximately in the middle of the resulting picture after adjustment.

According to the invention, said zoom setting change control means is preferably adapted so that the resulting image after adjustment approximately covers the selected area. According to the invention, the basic equipment is preferably equipped with means for programming and displaying requests, the remote equipment is preferably provided with means for viewing these requests and selection means by the remote user. at least one of these, and the basic equipment is preferably provided with means for viewing the request or queries selected by the remote user.

According to the invention, the basic equipment is preferably provided with means for selection by the main operator of at least one of the requests and the remote equipment is preferably provided with means for viewing the query (s) selected by the main operator.

According to the invention, the system preferably comprises pre-payment means by the remote user for activating the display means of the secondary equipment.

According to the invention, the system preferably comprises prepayment means by the remote user for activating the request selection means of the secondary equipment.

According to the invention, the system preferably comprises several remote devices, the basic equipment being provided with means for adding / subtracting the selected requests from remote devices and display the result.

According to the invention, the basic equipment preferably comprises sound pickup means and the remote equipment comprises sound transmission means connected to the sound pickup means, and vice versa.

The present invention will be better understood in the study of a remote transmission system, described by way of non-limiting example and illustrated by the drawing in which: - Figure 1 shows a schematic view of a basic equipment;

FIG. 2 represents a schematic view of computing means of said basic equipment;

- And Figure 3 shows a schematic view of computer resources of a remote equipment.

Referring to Figure 1, it can be seen that there is shown in a place constituting a scene 1, an apparatus 2 for example installed on a table 3, on which a main operator is able to perform demonstrations by manipulation. The teletransmission system 10 shown comprises a basic equipment 1 1 placed near the scene 1.

This basic equipment 1 1 comprises a main camera 12 provided with integrated electric means 13 for adjusting the zoom, connected to a control line 14, and carried by the lower end of a fixing foot 15 provided with electrical means 16 azimuth adjustment or aiming to guide the main camera 12, these means 16 being connected to a control line 17. In a variant known per se, the electrical means 16 could be integrated into the body of the main camera 12.

In a simplified variant, the azimuth or aiming adjustment means 16 could be mechanical so as to make a manual adjustment of the orientation of the main camera 12.

The basic equipment 1 1 also comprises a secondary camera 18 provided with integrated electric zoom adjustment means 19, connected to a control line 20, and carried by the lower end of a fixing leg 21 provided with electrical means. 22 of azimuth adjustment or aiming to guide the secondary camera 17, these means 22 being connected to a control line 23. In a variant known per se, the electrical means 22 could be integrated into the body of the camera secondary 18.

As shown in Figure 2, the basic equipment 11 further comprises a main computer unit 24 associated with a main display screen 25 and control members such as a mouse 26 and a keyboard 27.

The control lines 14 and 17 of the main camera 12 and the control lines 20 and 23 of the secondary camera 18 are connected to inputs of the main computer unit 23.

The program of the main computer unit 23 is adapted to display the images coming from the main camera 12 on a window 28 of the main screen 25 and, thanks to the mouse 26 and / or the keyboard 27 and the use of cursors presented on windows 29 and 30 of the main screen 25, allow the main operator or another person to control the zoom adjustment means 13 and the azimuth or aiming adjustment means 16 the main camera 12, in order to display on the window 28 a desired general view of the scene 1. In other ways, the zooming adjustment of the main camera 12 could be obtained by means of a mouse wheel 26 and the setting the zoom of the main camera 12 and its azimuth could be obtained by selecting a rectangle on the image presented.

According to the simplified variant mentioned above, a general view of the scene 1 can be obtained by a manual adjustment of the aiming and an electric adjustment of the zoom of the main camera 12 via the main computer unit 24.

As shown in Figure 3, the system 10 further comprises a remote equipment 31 installed in a location remote from the scene 1 and usable by a remote user. This remote equipment 31 comprises a secondary computer unit 32 associated with a secondary display screen 33 and control members such as a mouse 34 and a keyboard 35.

The main computer unit 24 and the secondary computer unit 32 are for example connected or connected by a telecommunications computer network INT (INTERNET or INTRANET).

In a variant, the network INT could be connected directly to the lines 20 and 23 of the secondary camera 18, without passing through the main computer unit 24.

The programs of the main computer unit 24 and the secondary computer unit 32 are adapted to view the images from the main camera 12 on a window 36 of the secondary screen 32 and to view the images from the secondary camera 18 on a window 37 of this secondary screen 33.

The programs of the main computer unit 24 and the secondary computer unit 32 are adapted so that, thanks to the mouse 34 and / or the keyboard 35, the remote user can, at any time, select a point A _one. either on the image presented on the window 36 or on the image presented on the window 37 of the secondary screen 33, corresponding to a desired azimuth of the secondary camera 18 of the scene 1.

This point A being selected, the programs of the main computer unit 24 and the secondary computer unit 32 are adapted to control the electric azimuth or aiming adjustment means 22 so as to orient the secondary camera 18 so that the selected point A of the scene 1 comes or is located approximately in the middle of the resulting secondary image, after adjustment, on the window 37. In other ways, the zooming adjustment of the secondary camera 18 could be obtained thanks to a mouse wheel 34.

The programs of the main computer unit 24 and the secondary computer unit 32 are adapted so that, thanks to the mouse 34 and / or the keyboard 35 and the use of a slider presented on a window 38 of the secondary screen 33, allow the remote user to control, at any time, the means 19 for adjusting the zoom of the secondary camera 18, in order to display on the window 37 of the secondary screen 33 a desired view, enlarged or reduced, of scene 1.

According to an alternative or additional variant, the programs of the main computer unit 24 and the secondary computer unit 32 are adapted so that, thanks to the mouse 34 and / the keyboard 35, the remote user can, at at any time, select either on the image presented on the window 36 or on the image presented on the window 37 of the secondary screen 33, any zone Z_.

With this zone Z_ selected, the programs of the computer main unit 24 and the computer secondary unit 32 are adapted to automatically control the zoom adjustment means 19 and the azimuth or aiming adjustment means 22. of the secondary camera 18 so that the resulting image from the secondary camera 18 covers, after adjustment, approximately and at best the surface of the window 37 of the secondary screen 33.

Thus, the remote user has, on the window 36 of his screen 33, a general view of the scene 1, from the main camera 12 and imposed by the main operator. In addition, the remote user has on the window 37 of this screen 33, a particular view, from the secondary camera 18 and which he can adjust, at his convenience and at any time, the azimuth or the aim and zoom as previously discussed.

The main operator carrying out demonstrations operations on the apparatus 2, for example operating and / or mounting / dismounting, the remote user sees on the window 36 of his screen 33 a general view of the scene that unfolds and sees on the window 37 of this screen 33 an adjustable view at his convenience for example to see enlarged details of the operations performed by the main operator.

Furthermore, the program of the main computer unit 24 can be adapted so that the main operator or another person can program requests, appearing on his screen 25 in the form of icons 39. These requests are transmitted to the secondary computer unit

32 and appear on the secondary screen 33 as corresponding icons 40 so as to be seen by the remote user.

For example, these icons may indicate operations that 1 main operator will perform on the apparatus 2, such as for example "disassembly of the part M", "reassembly of the part N" of this mechanism.

The main computer unit 24 and the secondary computer unit 32 are programmed so that the remote user can select, by means of his mouse 34 and / or his keyboard 35, one of the icons 40 and that this selection displays on the main screen

25, for example by a blinking of the corresponding icon 39 selected. The main operator is thus informed that the remote user wishes the operation corresponding to this selected icon to be performed or renewed. In addition, the computer main unit 24 and the computer secondary unit 32 may be programmed so that the main operator can inform the remote user that he will execute a request. For example, the main operator selects the associated icon 39 with the help of the mouse 26 and / or the keyboard 27 to cause a blinking of the corresponding icon 40.

As shown in FIG. 1, the basic equipment 11 of the system 10 can comprise a multiplicity of secondary cameras 18, 18a .... 18n connected to the main computer unit 24. Thus, several remote users, equipped with remote equipment equivalent to the remote equipment 31 can be connected, in parallel, to the basic equipment 1 1 via the computer network INT transmissions. The program of the main computer unit 24 and the programs of the secondary computers units 32 of the remote equipment 31 are programmed so that the secondary cameras 18, 18a .... 18n are selectively allocated to the connected remote users. For each remote user, the system 10 operates as previously described.

In addition, the program of the main computer unit 24 may be able to count and count the icons 40 selected by the remote users connected to the basic equipment 1 1. These counting / counting can be delivered on windows 41. provided in the vicinity of query icons 39.

Furthermore, the system 10 may comprise pre-payment means by the remote user enabling the INT link to be activated between his remote equipment 31 and the basic equipment 1 1, and / or to activate the means for selecting the requests. supra.

Also, the basic equipment 11 may include a microphone 42 of sound recording and the remote equipment 31 may comprise a loudspeaker 43, interconnected via the computer unit 24, the computer unit 32 and the INT link. A reciprocal sound link could be provided.

It goes without saying that the programming mentioned above is common and executable by any computer scientist.

The present invention is not limited to the examples described above. Many alternative embodiments are possible without departing from the scope defined by the appended claims.

Claims

1. Teletransmission system, characterized in that it comprises

Basic equipment (1 1) for at least one main operator and arranged at a location for taking pictures of a scene and at least one remote equipment (31) for at least one remote user and connected to said basic equipment by teletransmission means for viewing the images of the basic equipment;

That the basic equipment (1 1) comprises at least one main camera (12) provided with means (13) for zooming adjustment and means (16) for adjusting azimuth or aiming;

At least one secondary camera (18) provided with zoom adjustment means (19) and azimuth or aiming means (22);

And main display means (25) comprising at least one main means (28) for viewing images from said main camera (12);

That the remote equipment (31) includes

Secondary display means (33) comprising at least one main means (36) for viewing the images from said main camera (12) and at least one secondary means (37) for viewing the images from said secondary camera (18) ;

Azimuth selection means for selectively selecting a point or an area on the images appearing on the main display means and the secondary display means of the secondary display means;

And zoom selection means for inputting a zoom value selection of the second camera;

And that he understands

Azimuth adjustment change control means, subject to said azimuth selection means of the remote equipment, and adapted to control said azimuth adjustment means of the secondary camera so as to orient the secondary camera according to the selected azimuth; And zoom setting change control means, subject to said zooming means of the remote equipment, and adapted to control said zooming means of the secondary camera so as to adjust the zoom of the secondary camera to the chosen value.

2. System according to claim 1, characterized in that said azimuth adjustment control means are adapted so that the selected point is placed approximately in the middle of the resulting image after adjustment.

3. System according to one of claims 1 and 2, characterized in that said azimuth adjustment control means are adapted so that the selected area is placed approximately in the middle of the resulting image after adjustment.

4. System according to claim 3, characterized in that said zoom adjustment control means are adapted so that the resulting image after adjustment approximately covers the selected area.

5. System according to any one of the preceding claims, characterized in that the basic equipment is provided with means for programming and viewing requests, the remote equipment is provided with means for viewing these requests and means for selection by the remote user of at least one of the latter, and that the basic equipment is provided with means for viewing the request or queries selected by the remote user.

6. System according to any one of the preceding claims, characterized in that the basic equipment is provided with means for selection by the main operator of at least one of the requests, and that the remote equipment is provided with means for viewing the request or queries selected by the main operator.

7. System according to any one of the preceding claims, characterized in that it comprises means for prepayment by the remote user to activate the display means of the secondary equipment.

8. System according to any one of the preceding claims, characterized in that it comprises pre-payment means by the remote user for activating the request selection means of the secondary equipment.

9. System according to any one of the preceding claims, characterized in that it comprises several remote equipment, the basic equipment being provided with means for adding / subtracting the selected requests from the remote equipment and view the result.

10. System according to any one of the preceding claims, characterized in that the basic equipment comprises sound pickup means and the remote equipment comprises sound transmitting means connected to the pickup means. , and reciprocally.