JP2002318662A - Display device for presentation - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily enable a pointer and plotting of graphics on an image displayed on a screen even from a place distant from a computer and an image projecting device. SOLUTION: In this display device for presentation to be constituted of a pointer remote controller having a means to detect angular velocity in the horizontal and vertical directions and a means to transmit detected angular velocity information and an image display device having a receiving means and to display an image by transferring a pointer to be displayed together with image information on the screen according to the received angular velocity information, the pointer remote controller is provided with a pointer display selecting means, a plotting position deciding means, a plotting graphic selecting means and a color selecting means and the image display device is provided with a plurality of graphics corresponding to plotting graphics and/or the color selecting means and/or a color data storage means.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device for presentation using a projection type display device such as a liquid crystal projector for displaying a color image.

[0002]

2. Description of the Related Art In recent years, the number of cases in which an effective presentation is displayed by displaying an image of a computer or a moving image using a projection type image display device such as a liquid crystal projector has been increasing. When a presentation is performed using such an apparatus, a method has been mainly used in which an image displayed by using a laser beam is pointed to and described. Also, assuming that the presenter will explain in front of the computer, incorporate functions useful for presentation on the computer side in advance, and the presenter can operate a pointing device such as a mouse in front of the computer during the presentation. , Gave an effective presentation.

That is, when a viewer receives a question during a presentation and wants to add a supplementary explanation to the content of a computer image displayed on a screen or emphasizes a specific content, a simple character is entered. Techniques for describing with a mark such as dripping or underlining are well known. For example, in Japanese Unexamined Patent Application Publication No. 2000-242427, the light of the light emitting pointer on the screen and its position are detected and detected by receiving the reflected light of the light from the light emitting pointer to detect and detect the locus of the light by the light emitting pointer. Record the light trajectory pattern. By projecting light on the same shape and position as the trajectory pattern, a figure is drawn on the screen with the light of the light emitting pointer. By projecting in advance symbols defining operations such as page turning on the screen, and instructing the vicinity with a light emitting pointer, the defined operations are caused to occur.
This is a proposal to support meetings.

Japanese Patent Laid-Open No. Hei 5-80925 discloses a proposal for performing a pointer function without using a laser beam. In Japanese Patent Application Laid-Open No. 5-80925, a pointing device is provided with a gyro for detecting horizontal and vertical inclinations. When the pointing device is directed in a specific direction, the angle is detected and data is sent to a display device. By sending, the display device moves the cursor on the display according to the direction of the pointing device.

[0005]

Problems to be Solved by the Invention JP-A-2000-242
In 427, a laser pointer is used to draw on a screen. Due to a physical method, there is no problem in that it cannot be displayed if there is an obstacle between the presenter and the screen, and a problem with respect to laser safety. In addition, since the display device is controlled by receiving reflected light, there are problems that the device scale is increased and installation conditions are more restricted. Also, Japanese Patent Application Laid-Open No. 5-80925
Is a proposal for a pointer device that does not use a laser beam, but a more diverse function proposal is required as a presentation effect.

According to the present invention, it is possible to easily display a pointer or a graphic on an image displayed on a screen without concern for an obstacle between the presenter and the screen even from a position distant from a computer or an image display device. And a display device capable of providing an effective presentation.

[0007]

In order to achieve the above object, a pointer remote control device comprising means for detecting horizontal and vertical angular velocities and means for transmitting detected angular velocity information, An image display device having an angular velocity information receiving means transmitted from the apparatus and moving and displaying a pointer displayed on a screen in accordance with the received angular velocity information; Has pointer display selecting means, drawing position determining means, drawing figure selecting means, and color selecting means, and the image display device has a plurality of graphic data storage means and color selecting means corresponding to the drawing figure selecting means. It is characterized by comprising a plurality of corresponding color data storage means.

The pointer display selecting means displays the pointer on the screen only while the pointer display button is pressed, and the graphic selected by the drawing graphic selecting means is
The image is displayed in a rectangular area having a first determination point by the drawing position determination means as a start point, a second determination point as an end point, and a diagonal between the start point and the end point.

After the first determination point is determined by the drawing position determination means, until the second determination point is determined, the first determination point is set as a fixed point and the movement of the pointer remote operation device is performed. The selected figure moves with the cursor in conjunction with.

In the case where a free line is selected by the drawing figure selecting means, the first position is determined by the drawing position determining means.
The trajectory of the movement of the pointer remote operation device until the second decision point is determined, starting from the decision point of (1), is displayed. When an underline is selected by the drawing figure selecting means, a first decision point by the drawing position determining means, a horizontal line based on the first decision point, and a second
The horizontal straight line connecting the intersection with the vertical line having the determined point as a base point is displayed. When a vertical straight line is selected by the drawing figure selection means, a first determination point by the drawing position determination means, a vertical line based on the first determination point, and a second determination point are used as base points. Displays a vertical straight line connecting the intersection with the horizontal line.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a presentation display device according to the present invention will be described below with reference to FIGS.

FIG. 1 is a block diagram of a display system using the display device for presentation of the present invention. FIG.
, 1 is a screen, 10 is a pointer remote control device, 20 is an image display device, and the pointer remote control device 10
The image display device 20 constitutes a presentation display device. That is, a pointer 2a, a cursor 2b, a figure 2c, and the like are displayed on the screen 1 in accordance with an operation of the pointer remote operation device 10 together with a computer image (not shown) from the image display device 20.

The pointer remote control device 10 includes an angular velocity detecting means 11, a data transmission means 12, a pointer remote control device system microcomputer 13 for controlling the entire system of the pointer remote control device 10, a pointer button 14, a drawing button 15, a graphic selection. The angular velocity detecting means 11 includes a button 16 and a color selection button 17. The angular velocity detecting means 11 has a built-in angular velocity sensor such as a gyro.
The horizontal and vertical angular velocities caused by moving are detected. The data transmission means 12 converts the selection information of the pointer button 14, the drawing button 15, the graphic selection button 16 and the color selection button 17 into digital information together with the horizontal and vertical angular velocity information detected by the angular velocity detection means 11 as digital information. 20.

The image display device 20 comprises data receiving means 21 and display means 22 and an image display system microcomputer 23. The data receiving means 21 is provided with a pointer button 14 transmitted from the data transmitting means 12 of the pointer remote control device 10. , The digital information of the angular velocities in the horizontal and vertical directions detected by the angular velocity detecting means 11 and the information that the drawing button 15, the graphic selection button 16, or the color selection button 17 is pressed are received.

The image display device system microcomputer 23 controls the entire system of the image display device 20, and includes a plurality of graphic data storage means corresponding to the drawing graphic selection means and a plurality of color data storage means corresponding to the color selection means. It has. That is, various graphics corresponding to the pointer mark and the graphic selection button 14 and a plurality of types of colors corresponding to the color selection button 15 are registered in the image display system microcomputer 23 in advance.

The image display device system microcomputer 23
Controls the display means 22 and, based on the information on the pressing of the pointer button 14, the drawing button 15, the graphic selection button 16 or the color selection button 17 received by the data receiving means 21, the registered graphics and color Is selected, for example, when the pointer button 14 is pressed, the pointer 2a registered in advance is displayed on the screen 1, and the screen 2 is displayed on the basis of the horizontal and vertical angular velocity information received by the data receiving means 21. Pointer 2 displayed on 1
The display position of a is moved.

Hereinafter, the image display device 20 is connected to a computer (not shown) and is supplied with a computer image. The computer image is displayed on the screen 1 and pointer display and control on the computer image are performed. The operation related to graphic drawing will be described.

First, the display and control method of the pointer will be described. The display of the pointer 2a on the screen 1 is displayed only while the pointer button 14 is being pressed, and is not displayed when the pointer button 14 is not pressed. First, when the pointer button 14 is pressed, information indicating that the pointer button 14 has been pressed is transmitted to the image display system microcomputer 23 via the data transmission unit 12 and the data reception unit 21. The image display system microcomputer 23, for example, based on the information that the pointer button 14 is pressed,
The display unit 22 is controlled so that the pointer 2a mark registered in advance is displayed on the screen 1 as shown in FIG.
Next, while holding down the pointer button 14, the pointer 2a
When the pointer remote operation device 10 is moved in the direction in which the user wants to move, the angular velocity detecting means 11 detects the horizontal and vertical angular velocities, and sends the data to the image display system microcomputer 23 via the data transmitting means 12 and the data receiving means 21. Horizontal and vertical angular velocities are transmitted. The image display system microcomputer 23 controls the display means 22 so as to move the display position of the pointer 2a on the screen 1 based on the angular velocity information in the horizontal and vertical directions. When the pointer button 14 is released, the data transmission
2. Information on the release of the pointer button 14 is transmitted to the image display system microcomputer 23 via the data receiving unit 21, and the display unit 22 is controlled so that the display of the pointer 2a displayed on the screen 1 is terminated. .

As described above, the user can give an effective presentation by pointing to a place in the computer image to be emphasized and explained using the pointer 2a in the presentation.

Next, the drawing operation will be described. Although an embodiment will be described with reference to FIGS. 2, 3, and 4 as a black straight line drawing method, other graphic drawing and color selection can be performed by the same operation. 2, 3, and 4 show the display state of the screen 1.

In FIG. 2, 2b is a cursor, and 2c is a figure. First, when the figure selection button 16 is pressed, the image display system microcomputer 23 sets the data transmission unit 1
2. Receiving information of the drawing preparation via the data receiving means 21, controlling the display means 22, and displaying the cursor 2b on the screen 1. Each time the figure selection button 16 is pressed, a corresponding figure 2c is displayed near the cursor 2b, and the user selects a necessary figure while monitoring the figure 2c. Here, it is assumed that the straight figure 2c is selected as shown in FIG. Incidentally, for example, the cursor 2b is not displayed,
The type of the selected figure 2c can be displayed as a cursor.

Next, a color is selected by the color selection button 17 in the same manner. Every time the color selection button 17 is pressed, the color of the linear figure 2c near the cursor 2b is switched in the order registered in advance. At this time, the shape of the straight figure 2c does not change. This operation is repeated, and black is selected as the color of the linear figure 2c in this case. When the pointer remote control device 10 is moved in a state where “graphic is a straight line and color is black” is selected as the drawing mode, the cursor 2b accompanied by the graphic 2c moves on the screen 1 in conjunction with the movement.

When a straight line is drawn from the lower left to the upper right of the screen 1, the pointer remote controller 10 is moved to move the cursor 2b to the lower left as shown in FIG. Here, the drawing start point is determined by pressing the drawing button 15. Next, as shown in FIG.
By moving 0 to the upper right and pressing the drawing button 15 again at the end point of the straight line, the line segment is determined, and the straight line drawing ends. Here, until the drawing button 15 for determining the end point is pressed, the cursor 2b moves along a straight line from the starting point. For example, while confirming that the drawing figure and the character of the computer image do not overlap, the line segment is checked. Can be set. Thereafter, it is possible to easily draw a plurality of straight lines by repeating the operation of moving the cursor 2b and pressing the drawing button 15, and further, by making full use of the figure selection button 14 and the color selection button 15, various types of lines can be drawn. Graphic display can be performed, and an effective presentation can be performed.

Further, graphic erasure can be performed by the graphic erasure button 18, and each time the graphic erasure button 18 is pressed, the graphic is erased in the order of drawing. The erasing method is not limited to erasing in the drawing order, but may be a method of erasing all figures at the same time or a method of erasing by specifying a figure.

Although the pointer remote controller 10 has been described with the pointer button 14, the drawing button 15, the graphic selection button 16, the color selection button 17, and the graphic deletion button 18 independently of the function buttons, the functions can be shared. It is also possible to reduce the number of buttons with.

In general, as a drawing effect, it is very convenient to use a straight line drawing to describe two blocks in a display image in association with each other. It is very convenient to use it when inserting a line, and it is very convenient to use a vertical straight line in a display image drawn in vertical writing (Japanese or Chinese), particularly where it is desired to emphasize and explain. Also, a rectangle is very convenient when used to represent the contents of a plurality of lines in a display image in a lump or when expressing a large frame of a flowchart, and an ellipse is a large frame of a plurality of circular blocks in a display image. It is very convenient to use it when expressing it, and it is very convenient to use the free line when writing simple characters and pictures in a display image.

[0027]

According to the present invention described above, the following effects can be obtained.

In the display device for presentation according to the first aspect of the present invention, even when there is an obstacle between the presenter and the screen even from a position distant from an image source such as an image display device or a computer. However, pointer display and graphic drawing can be easily and safely performed on a display image such as a computer image, and an effective presentation can be performed.

In the presentation display device according to the second aspect of the present invention, by displaying the pointer only while the button is pressed, a more emphasized presentation effect can be expected, the operability is improved, and the power consumption is reduced. It is also effective for reduction.

In the display device for presentation according to the third, sixth, and seventh aspects of the present invention, a graphic can be easily displayed, and a display position can be easily predicted, so that a presentation can be efficiently performed.

In the display device for presentation according to the fourth aspect of the present invention, it is possible to display a graphic while confirming that a drawing graphic does not overlap a character such as a computer image.

In the display device for presentation according to the fifth aspect of the present invention, by providing the free line function, it is possible to release the rigidity of the explanation and further widen the range of the presentation effect.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a display device for presentation of the present invention.

FIG. 2 is a view showing a display state of a pointer, a cursor and the like on a screen according to the present invention.

FIG. 3 is a display state diagram of a pointer, a cursor, etc. on a screen according to the present invention.

FIG. 4 is a display state diagram of a pointer, a cursor, etc. on a screen according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Screen 2a Pointer 10 Pointer remote control device 11 Angular velocity detection means 12 Data transmission means 13 Pointer remote control device system microcomputer 14 Pointer button 15 Drawing button 16 Graphic selection button 17 Color selection button 18 Graphic deletion button 20 Image display 21 Data reception means 22 display means 23 image display system microcomputer

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification FI FI Theme Court ゛ (Reference) G09G 5/00 G09G 5/00 510H 5/08 5/08 LZ (72) Inventor Toshinori Furuhashi Osaka, Osaka 22-22 Nagaikecho, Abeno-ku, Japan F-term (reference) 5B087 AA00 AB04 AE03 CC09 CC21 CC26 CC33 DD03 DD06 DD17 5C082 AA03 AA15 BA12 BA43 BB42 CA02 CA59 CB06 DA42 MM09 MM10 5E501 AA30 CB07 CB07 CB07

Claims (7)

[Claims] 1. A pointer remote control device comprising means for detecting angular velocities in the horizontal and vertical directions and means for transmitting detected angular speed information, and a means for receiving angular velocity information transmitted from the pointer remote control device. A display device for presentation comprising an image display device for moving and displaying a pointer displayed on a screen in accordance with the received angular velocity information, the pointer remote control device comprising: a pointer display selecting means; a drawing position determining means; , A drawing figure selecting means, and a color selecting means, wherein the image display device comprises a plurality of figure data storing means corresponding to the drawing figure selecting means and a plurality of color data storing means corresponding to the color selecting means. Characteristic display device for presentation. 2. The presentation display device according to claim 1, wherein said pointer display selection means displays a pointer on a screen only while a pointer display button is pressed. 3. The graphic selected by the drawing graphic selecting means has a first decision point by the drawing position determining means as a starting point, a second determining point as an ending point, and the starting point and the ending point being diagonal. The display device for presentation according to claim 1, wherein the display device is displayed in a rectangular area. 4. After the first determination point is determined by the drawing position determination means, until the second determination point is determined, the first determination point is used as a fixed point and the movement of the pointer remote operation device is performed. 4. The presentation display device according to claim 3, wherein the selected figure moves with the cursor in conjunction with the display. 5. When a free line is selected by said drawing figure selecting means, said pointer remote control is started from a first determining point by said drawing position determining means until a second determining point is determined. 2. The presentation display device according to claim 1, wherein the display device displays a trajectory of movement of the device. 6. An underline is selected by said drawing figure selecting means, a first determination point by said drawing position determining means, a horizontal line having said first determination point as a base point, and a second determination point. 2. A horizontal straight line connecting an intersection with a vertical line having a base point as a base point is displayed.
Presentation device. 7. When a vertical straight line is selected by said drawing figure selecting means, a first determining point by said drawing position determining means, a vertical line based on said first determining point, and a second determining point. 2. The presentation display device according to claim 1, wherein a vertical straight line connecting an intersection with a horizontal line having a point as a base point is displayed.