WO2015137544A1

WO2015137544A1 - Projection system having function of electronic whiteboard and wireless tablet function

Info

Publication number: WO2015137544A1
Application number: PCT/KR2014/002201
Authority: WO
Inventors: 권돌
Original assignee: 주식회사 아이에스엘코리아
Priority date: 2014-03-14
Filing date: 2014-03-14
Publication date: 2015-09-17

Abstract

The present invention relates to a projection system having a new function of an electronic whiteboard and a wireless tablet function, comprising: an electronic pen having an infrared transmission unit; a projector comprising a projection module, a communication unit, an electronic pen location estimation module unit, a projection region coordinate setting unit, an electronic pen location tracking module unit, an infrared signal reception unit, and a location estimation unit; a terminal comprising a communication unit, a location information analysis unit, and an image application unit; and a display unit for displaying an image to which an image of the projector (20) has been applied, wherein an infrared reception unit installed in the projector obtains a location of the electronic pen by using an infrared oscillating signal generated by the electronic pen, the projector determines a location according to a movement of the electronic pen by setting reference coordinates in a region of an image projected from a projector module of the projector and transmits an image according to the determined location to the terminal such that the electronic pen has a writing function on a current image outputted to the terminal and a mouse mode function.

Description

Project system with wireless tablet function including electronic blackboard function

The present invention relates to a project system including a function of an electronic blackboard and a wireless tablet function. More specifically, the position of the electronic pen is obtained by using an infrared oscillation signal generated by the electronic pen in an infrared receiver installed in the projector. By setting the reference coordinates in the area of the image projected by the projector module, the projector determines the position caused by the movement of the electronic pen and writes the image according to the determined position with the electronic pen on the image currently output to the terminal and uses the mouse mode function. It was to have.

In general, when teaching to a large number of students at schools, academies, and conferences, the lecture is written first by writing on the blackboard, and the second is by using the LCD projector and the screen installed on the wall. Etc. are used.

The lecturer was uncomfortable because the lecturer proceeded while writing directly on the board because dust was generated along with the inconvenience of the lecturer writing and erasing the contents. In addition, the method of writing a lecture while writing on the blackboard had to be written by the participant, and when the printed contents were to be printed, it was cumbersome to rewrite it on paper.

In the lecture method using the LCD projector, when the lecture or presentation is performed through the LCD projector and the large screen installed on the wall, the lecture is performed by illuminating the laser indicator rod on the contents of the screen.

However, the lecture method using the conventional LCD projector as described above is a lecture by shining the laser indicator rod on the screen, but because the contents of the pre-prepared lectures are reflected on the screen, the contents to be additionally explained during the lecture can only be transmitted as voice information. Inevitably, the participants had to rely on the memory of the lecture, and when using the LCD projector, the lecturer was unable to express writings and lines that required supplementary explanation in order to improve the understanding of the lecturer.

In addition, in addition to the lecture method using the conventional LCD projector, a coordinated recognition is installed by installing a hardware-type sensor on the interior and exterior angles of the electronic blackboard in a large frame structure of the electronic blackboard during meetings and lectures with the electronic pen projected by the projector. I have been using the electronic pen. Such an electronic blackboard is limited in size and has a lot of uncomfortable problems in place.

In order to solve the above problems, the present invention obtains the position of the electronic pen using the infrared oscillation signal generated by the electronic pen in the infrared receiver installed in the projector and sets the reference coordinate in the area of the image projected from the projector module of the projector. The new electronic blackboard function to allow the projector to determine the position of the electronic pen by the movement of the electronic pen and to have the writing and mouse mode functions by using the electronic pen on the image currently output to the terminal. This is about a project system.

In order to achieve the above object, the present invention provides a projection module for projecting an image, a communication unit, an electronic pen position estimation module unit for obtaining the position of the electronic pen using the infrared oscillation signal, and the electronic pen position estimation module. The projection unit is configured to set the existing coordinates in the area projected by the projection module when the phantom temperature of the electronic pen is detected, and to set the coordinates based on the set existing coordinates, and the infrared rays. An electronic pen position tracking module unit for determining the position of the electronic pen using an oscillation signal, an infrared signal receiver for receiving the infrared oscillation signal by the movement of the electronic pen, and an infrared oscillation signal received through the infrared signal receiver Obtain the position of the electronic pen by using a triangulation method for the and the obtained position information through the communication unit A projector configured to position estimation to transmit to the terminal; The terminal may include a communication unit for communicating with the projector, a location information analysis unit for generating an image by connecting location information transmitted from the project through the communication unit, and an image on which the image generated at the location information analysis unit is currently displayed. Applied to be displayed in the corresponding area of the image applying unit for transmitting to the projector through the communication unit, characterized in that to project the image to which the image of the projector is applied to the display unit.

In addition, the display unit is composed of a screen, the screen is characterized in that formed in 40 inches to 150 inches.

The electronic pen may include a pen mode setting unit set to any one selected from a pen mode that can be written on the display unit or a mouse mode having a function of moving only a point, and an infrared transmitting unit generating an infrared oscillation signal according to the movement. A built-in main body, a switch unit for turning on and off the pen mode setting unit and an infrared ray transmitting / receiving unit, and a power supply unit connected to the switch 15 are configured in the main body.

In addition, the switch unit is installed under the main body, the switch unit is characterized in that the pressure switch.

In addition, the pressure switch is a switch unit having a stepped end formed in the lower inner periphery of the main body, a-terminal provided on the stepped, a spring provided below the stepped step, and the upper projection is inserted into the bottom of the spring And, characterized in that the + terminal is installed on the upper projection is configured.

In addition, the switch unit has a + terminal at the inner circumference of the point, and a-terminal is installed at the lower inner circumference of the main body into which the point is inserted so that when the + terminal of the point is pressed at right angles, the inner side of the lower part of the main body is pressed. It is characterized in that the pen mode setting unit and the infrared transmitting and receiving unit is turned on and off by bending the terminal.

In addition, the + terminal provided in the upper portion of the point, and the-terminal provided in the lower inner side of the main body, the upper part of the point is screwed into the lower inner side of the main body when the + terminal of the point when rotating the main body The pen-mode setting unit and the infrared transmitting and receiving unit are configured to be turned on and off by being lifted and shorted to a terminal provided in the lower inner side.

In addition, the infrared transceiver is characterized in that it is composed of a first infrared oscillator and a second infrared oscillator.

The present invention obtains the position of the electronic pen by using the infrared oscillation signal generated by the electronic pen in the infrared receiver installed in the projector, and sets the reference coordinate in the area of the image projected by the projector module of the projector, thereby causing the projector to be moved by the movement of the electronic pen. It is effective to determine the position and write the image according to the determined position by the electronic pen on the image currently output to the terminal and the mouse mode function.

In addition, the size of the display unit projected by the projector of the present invention can be adjusted freely, and the system of the present invention can be installed and used regardless of place.

1 is a schematic view according to the present invention.

2 is a schematic diagram of a touch pen according to the present invention;

Figure 3 is a first embodiment of the switch unit of the touch pen according to the present invention.

Figure 4 is a second embodiment of the switch unit of the touch pen according to the present invention.

Figure 5 is a third embodiment of the switch unit of the touch pen according to the present invention.

10: electronic pen 11: infrared transmitter

12: pen mode setting unit 13: infrared transmitter and receiver

14: main body 14a: pressure switch

14b: step 14c: terminal

14d: spring 14e: upper projection

14f: -terminal 15a: point

15b, 15b ': +

terminal

15c, 15c':-terminal

20: Projector 21: Projection Module

22: communication unit 23: electronic pen position tracking module unit

24: perspective area coordinate setting unit 25: electronic pen position tracking module

26: infrared signal receiver 27: position estimation

30: terminal 31: communication unit

32: location information analysis unit 33: image application unit

40: display unit

In order to fully understand the present invention, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

The embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more safely explain the present invention to those skilled in the art.

Therefore, the shape of the elements in the drawings and the like may be exaggerated to emphasize a more clear description. It should be noted that the same members in each drawing are sometimes shown with the same reference numerals.

In addition, detailed descriptions of well-known functions and configurations that are determined to unnecessarily obscure the subject matter of the present invention are omitted.

1 is a schematic diagram according to the present invention, Figure 2 is a schematic diagram of a touch pen according to the present invention, Figure 4 is a second embodiment of the switch unit of the touch pen according to the present invention, Figure 5 is a touch pen according to the present invention 3 is a third embodiment of the switch unit.

Referring to the project system including a function of the electronic blackboard according to the present invention and a wireless tablet function with reference to those shown in Figures 1 to 5,

The project system including the function of the electronic blackboard according to the present invention and having a wireless tablet function includes an electronic pen 10, a project 20, a terminal 30, and a display unit 40.

As shown in FIGS. 1 and 2, 3, 4 and 5, the electronic pen 10 includes an infrared transmitter 11 for generating an infrared oscillation signal. .

Also, as shown in FIG. 2, the electronic pen 10 may be set to any one selected from a pen mode that can be written on the display unit 40 or a mouse mode having a function of moving only a point. 12).

The main body 14 includes an infrared transmitter 13 for generating an infrared oscillation signal according to the movement of the electronic pen 10.

The main body 14 includes a switch unit 15 for turning on and off the pen mode setting unit 12 and the infrared ray transmitting and receiving unit 13, and a power supply unit 16 connected to the switch 15.

As shown in FIG. 3, the first embodiment of the switch unit 15 is shown. The switch unit 15 is provided below the main body 14, and the switch unit 15 is a pressure switch. It consists of 14a.

The pressure switch 14a is constituted by a step 14b formed at the lower inner circumference of the main body 14.

It consists of a -terminal 14c provided on the step 14b.

It consists of a spring 14d provided below the step 14b.

It consists of a switch section 15 having a point 15a into which the upper projection 14e is inserted below the spring 14d.

The + terminal 14f is provided on the upper protrusion 14e.

The-terminal 14c and the + terminal 14f are connected to the object when the switch unit 15 is pressed against the-terminal 14c and the + terminal 14f so that the pen mode setting unit 12 ) And the infrared ray transmitting and receiving unit 13 are turned on, and when the-terminal 14c and the + terminal 14f are separated from each other, the pen mode setting unit 12 and the infrared ray transmitting and receiving unit 13 are turned off.

As shown in Fig. 4, the second embodiment of the switch unit 15 is shown, and the switch unit 15 is composed of a + terminal 15b on the inner circumference of the point 15a.

The negative terminal 15c is installed at the lower inner circumference of the main body 14 into which the point 15a is inserted, and when the point 15a is pressed at right angles, the + terminal 15b of the point 15a is pressed. The pen mode setting unit 12 and the infrared ray transmitting and receiving unit 13 are turned on and off by bending the lower inner terminal 15c of the main body 14.

The + terminal 15b and the-terminal 15c attach the + terminal 15b and the-terminal 15c to each other when the switch unit 15 is pressed at a right angle to the object in contact with the pen mode setting unit. 12 and the infrared ray transmitting and receiving unit 13 are turned on, and the pen mode is set when the + terminal 15b and the-terminal 15c are separated from the + terminal 15b and the-terminal 15c. The unit 12 and the infrared transmitting and receiving unit 13 are turned off.

As shown in Fig. 5, the third embodiment of the switch section 15 is shown, and is composed of a + terminal 15b 'provided above the point 15a.

It consists of a negative terminal (15c ') installed in the lower inner side of the main body 14, the upper portion of the point (15a) is screwed to the lower inner side of the main body 14, the + terminal of the point (15a) when rotating 15b 'is raised and shorted by the -terminal 15c' provided in the lower inner side of the main body 14 so that the pen mode setting unit 12 and the infrared ray transmitting and receiving unit 13 are turned on and off.

The + terminal 15b 'and the-terminal 15c' raise the switch unit 15 in the main body 14 to attach the + terminal 15b 'and the-terminal 15c' to each other. The pen mode setting unit 12 and the infrared ray transmitting and receiving unit 13 are turned on, and the + terminal 15b 'and the-terminal 15c' turn the switch unit 15 to the lower portion of the main body 14. When the + terminal 15b 'and the-terminal 15c' fall apart from each other, the pen mode setting unit 12 and the infrared ray transmitting and receiving unit 13 are turned off.

In addition, the infrared transceiver 13 is composed of a first infrared oscillator and a second infrared oscillator.

As shown in FIG. 1, the project 20 includes a projection module 21, a communication unit 22, an electronic pen position estimation module unit 23, a projection area coordinate setting unit 24, and an electronic pen. The position tracking module unit 25, the infrared signal receiver 26, and the position estimating unit 27 are comprised.

The projection module 21 is configured to project an image.

The communication unit 22 is configured to communicate with each other and the communication unit 31 of the terminal 30 to be described later.

The electronic pen position estimation module 23 is configured to obtain the position of the electronic pen 10 by using the infrared oscillation signal.

The projection area coordinate setting unit 24 sets the existing coordinates in the area projected by the projection module 21 when the phantom temperature of the electronic pen 10 is detected, and sets the entire area based on the set existing coordinates. It is configured to set the coordinates with.

The electronic pen position tracking module unit 25 is configured to obtain the position of the electronic pen using the infrared oscillation signal.

The infrared signal receiver 26 is configured to receive the infrared oscillation signal by the movement of the electronic pen 10.

The position estimating unit 27 obtains the position of the electronic pen 10 by using a triangulation method with respect to the infrared oscillation signal received through the infrared signal receiving unit 26, and uses the obtained position information as the communication unit 22. It is configured to transmit to the terminal 30 via.

As shown in FIG. 1, the terminal 30 includes a communication unit 31, a location information analysis unit 32, and an image application unit 33.

The communication unit 31 is configured for communication with the projector 20.

The location information analysis unit 32 is configured to connect the location information transmitted from the project 20 through the communication unit 31 to generate an image.

The image applying unit 33 is configured to apply the image generated in the location information analysis unit 32 to be displayed in the corresponding area of the currently displayed image and transmit the image to the projector 20 through the communication unit 31. .

As shown in FIG. 1, the display unit 40 is configured to view an image to which the image of the projector 20 is applied.

In addition, the display unit 40 is composed of a screen, the screen is preferably formed of 40 inches to 150 inches.

In other words, the electronic board was used by installing a hardware-type sensor on the inside and outside of the copyboard in a large frame structure of a conventional copyboard, and the copyboard is limited in size and has a lot of courtesy in place. In order to overcome the inconvenience of receiving the screen of the present invention has the convenience that can be used to adjust the size freely regardless of the location.

The embodiments according to the present invention described above are merely exemplary, and those skilled in the art will appreciate that various modifications and equivalent other embodiments are possible therefrom. . Therefore, it will be understood that the present invention is not limited to the forms mentioned in the above detailed description.

Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims. It is also to be understood that the present invention includes all modifications, equivalents and substitutions within the spirit and scope of the invention as defined by the appended claims.

Claims

An electronic pen 10 having an infrared transmitter 11 for generating an infrared oscillation signal according to the movement;

A projection module 21 for projecting an image, a communication unit 22, an electronic pen position estimation module unit 23 for obtaining a position of the electronic pen 10 using the infrared oscillation signal, and the electronic pen position estimation When the module 23 detects the wave temperature of the electronic pen 10, the module unit 23 sets an existing coordinate in the area projected by the projection module 21, and coordinates the entire area based on the set existing coordinate. The projection area coordinate setting unit 24 to be set, the electronic pen position tracking module unit 25 for obtaining the position of the electronic pen 10 by using the infrared oscillation signal, and the movement of the electronic pen 10. The position of the electronic pen 10 is obtained by using a triangulation method with respect to the infrared signal receiver 26 receiving the infrared oscillation signal and the infrared signal received through the infrared signal receiver 26, and the obtained position Information is transmitted through the communication unit 22 A projector 20 composed of a positioning unit 27 for transmitting to the terminal device 30;

The terminal 30 connects the communication unit 31 for communication with the projector 20 and the location information analyzer for connecting the location information transmitted from the project 20 through the communication unit 31 to generate an image ( 32) and an image applying unit 33 which transmits the image generated by the location information analyzing unit 32 to the projector 20 through the communication unit 31 by applying the image to be displayed on the corresponding area of the currently displayed image. And a wireless tablet function, including a function of an electronic blackboard, wherein the image is applied to the image of the projector 20 to the display unit 40.
The method of claim 1,

The display unit 40 is composed of a screen, the screen includes a function of the electronic blackboard, characterized in that formed in 40 inches to 150 inches and a wireless tablet function project system.
The method of claim 1,

The electronic pen 10 is a pen mode that can be written on the display unit 40 or a pen mode setting unit 12 is set to any one selected from the mouse mode of the function to move only to the point, and infrared oscillation according to the movement A main body 14 having a built-in infrared transmitting unit 13 for generating a signal, a switch unit 15 for turning on and off the pen mode setting unit 12 and the infrared transmitting and receiving unit 13, and the switch 15 And a power supply unit (16) connected to the main body (14) comprises a function of the electronic blackboard, characterized in that the wireless tablet function project system.
The method of claim 3, wherein

The switch unit 15 is installed in the lower portion of the main body 14, the switch unit 15 includes a function of the electronic blackboard, characterized in that composed of a pressure switch (14a) and has a wireless tablet function project system.
The method of claim 4, wherein

The pressure switch 14a has a step 14b formed at the lower inner circumference of the main body 14, a -terminal 14c provided on the step 14b, and a spring 14d provided below the step 14b. ), A switch unit 15 having a point 15a into which the upper protrusion 14e is inserted below the spring 14d, and a + terminal 14f is provided on the upper protrusion 14e. Project system with a wireless tablet function, including the function of the electronic blackboard, characterized in that it becomes.
The method of claim 3, wherein

The switch unit 15 has a + terminal 15b at the inner circumference of the point 15a and a -terminal 15c at the lower inner circumference of the main body 14 into which the point 15a is inserted. When pressing 15a at right angles, the + terminal 15b of the point 15a is bent and shorted to the lower inner -terminal 15c of the main body 14 so that the pen mode setting unit 12 and the infrared ray Project system with a wireless tablet function, including the function of the electronic blackboard, characterized in that the transceiver 13 is turned on and off.
The method of claim 3, wherein

+ Terminal 15b 'provided on the upper part of the point 15a, and-terminal 15c' provided on the lower inner side of the main body 14, and the upper part of the point 15a is the main body 14; The pen mode setting unit (2) is screwed to the lower inner side of the pen to rotate the + terminal 15b 'of the point 15a to the -terminal 15c' installed at the lower inner side of the main body 14. 12) and a project system having a wireless tablet function, including the function of the electronic blackboard, characterized in that configured to turn on and off the infrared transmitting and receiving unit (13).
The method of claim 1,

The infrared transmitting and receiving unit 13 includes a function of the electronic blackboard, characterized in that consisting of the first infrared oscillator and the second infrared oscillator and a wireless tablet function project system.