JPH11305335A - Presentation system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate the need of a screen and to write supplemented explanation on a display plate on which a picture showing a content is displayed by a hand so that the content may be easily understood by a listener. SOLUTION: This presentation system is provided with a projection device 1 projecting the picture showing the content for presentation, the display plate for writing 3 on which the picture projected by the projection device 1 can be displayed and a digital camera integrally arranged with the projection device 1 so that the picture projected on the plate 3 can be photographed. Since the picture showing the content for presentation is projected and displayed on the plate 3 and characters and the like for the supplemented explanation can be written on the display plate 9 by a hand, the need of the conventional screen is eliminated and the restriction of space at a presentation spot is reduced. Besides, a presenter can answer questions at the position of the plate 3. Moreover, since the content image and the explanation written by a hand are displayed on the identical plate 3, both of them can be obviously compared and the supplemented explanation and the like can be easily understood by the listener.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a presentation system used by a presenter to give an explanation based on a projected image, for example, in the presentation of research results, introduction of exhibits, or discussion at various conferences. About.

[0002]

2. Description of the Related Art Conventionally, in this type of system, an image showing contents for presentation (explanation contents) is projected on a screen by a slide projector, but recently, the above contents are previously stored in a computer such as a personal computer (hereinafter referred to as a personal computer). , Which is referred to as a personal computer), and the screen of the personal computer is projected onto the screen by a projection device.

[0003] When such a system is actually operated, at the presentation site, the presenter often writes letters and figures for questions and answers, supplementary explanations, etc., and presents it to the listener. . In such a case, if there is a writable display board such as a blackboard or a whiteboard nearby, the presenter writes the above-mentioned characters and the like on the display board for explanation.

[0004] In a system using a personal computer,
Without a whiteboard, the presenter would operate the computer and edit the presentation content with ad-lib, while projecting the computer screen onto the screen.

[0005]

However, in the conventional presentation system, both a screen for displaying an image showing the content and a writable display board such as a whiteboard used for supplementary explanation by the presenter are prepared. Must be done and the presentation site is limited to where they can be set.

In addition, since supplementary explanations and the like are handwritten on the display panel separate from the screen, it is difficult to compare the content projected on the screen with the supplementary explanations written on the display board. On the other hand, it also delays understanding of the listener. In addition, the presenter has to move frequently between the screen and the display panel.

[0007] In particular, if the display board does not have a print function, a supplementary explanation written on the display board cannot be recorded and left behind.
Insufficient documentation.

[0008] The present invention has been made in view of the above circumstances, eliminates the need for a screen, and provides a supplementary explanation by handwriting on a display board on which an image indicating the content is displayed, making it easier for a listener to understand. It is another object of the present invention to provide a presentation system that can record a supplementary explanation at any time and is excellent in usability.

[0009]

In order to achieve the above object, a presentation system according to the present invention comprises: a projection device for projecting an image representing presentation content; and a writing system capable of displaying a projected image by the projection device. It is characterized by comprising a display plate, and a digital camera provided integrally with the projection device and capable of taking a projected image on the display plate.

According to the presentation system of the present invention, an image showing the content is projected and displayed on the writing display board by the projection device, and a supplementary explanation can be handwritten on the writing display board. Therefore, a screen dedicated to the content becomes unnecessary. In addition to being able to give presentations in a small space, the presenter can respond to questions at the position of the display panel, and the content and the supplementary explanation can be easily compared on the same display panel, which helps the listener to understand quickly.

In particular, since the projection device is equipped with a digital camera, it is possible to arbitrarily photograph and record an image of the content on the writing display board or a supplementary handwritten explanation, and to modify the content later. Useful.

Further, in the presentation system according to the second aspect of the present invention, when giving a presentation, the content stored in advance in the computer is read out and transmitted to the projection device side, so that the presenter has dedicated staff for operating the computer. Even without it, you can edit the content on the spot.

The presentation system according to the third aspect of the present invention can record a captured image of a digital camera in a computer, and can read and display contents and supplementary explanations on the display panel.

Further, the presentation according to the fourth aspect of the present invention comprises a slide in which contents are recorded in page units, and the display pages are sequentially displayed by a computer.
Be updated. For this reason, the presenter can give an orderly explanation even if the content content is enormous.

[0015] Further, in the presentation system according to the fifth aspect of the present invention, the photographed image of the digital camera is added to the last page of the content. Therefore, the content is not confused by the image.

[0016]

FIG. 1 shows a presentation camera according to an embodiment of the present invention.

In FIG. 1, reference numeral 1 denotes a projection device for projecting an image representing presentation content, and 2 denotes a computer in which presentation content is stored in advance, for example, a notebook computer with a pressure-sensitive mouse-compatible pointing device. The projector 1 is connected to the projector 1 via a signal cable 4. The content can be displayed on the screen 200 (FIG. 3) of the personal computer 2 by executing the presentation application software of the personal computer 2.

The computer is not limited to the personal computer 2, but may be another small computer having a different form.

Reference numeral 3 denotes a writing display panel on which a projection image 5 from the projection device 1 can be displayed. For example, a whiteboard which can be written with a pen 6 as a writing instrument is used.
By the operation of the personal computer 2, an image indicating the content appearing on the screen 200 is projected and displayed on the whiteboard 3 via the projection device 1 as it is.

Note that the writing display board is not limited to the whiteboard 3, but may be any as long as it can display a projected image by the projection device 1.

The projection device 1 includes a digital camera 10
0 (FIG. 2), the digital camera is provided with an image 5 showing the content projected on the whiteboard 3 and further handwritten on the whiteboard 3 with a pen 6 for supplementary explanations. It is possible to photograph characters 7 and the like. An image captured by the digital camera 100 is captured and recorded as data by the personal computer 2.

FIG. 2 shows the configuration of the projection apparatus 1.

First, the part of the digital camera 100 provided integrally with the projection device 1 will be described.

In FIG. 2, reference numeral 211 denotes an overall control unit, which comprises, for example, a microcomputer and constitutes means for organically controlling the operation of each component in the camera 100 and the image pickup unit (not shown). ing.

Reference numeral 301 denotes a photographing lens such as a zoom lens which forms a part of the image pickup section and forms an optical image of a subject. Reference numeral 303 denotes a charge-coupled device (hereinafter, referred to as a CCD) serving as a photoelectric conversion unit. The CCD 303 is disposed on the rear side of the photographing lens 301 in the optical path direction in the image pickup unit and configured as a color area sensor. The optical image by the lens 301 is represented by R (red), G
The image is photoelectrically converted into an image of color components of (green) and B (blue), that is, a signal composed of a signal sequence of image signals received by each pixel.

A signal processing circuit 313 performs predetermined analog signal processing on an image signal, which is an analog signal from the CCD 303, and is a correlated double sampling circuit (hereinafter, referred to as a "correlation double sampling circuit").
CDS) and an automatic gain control circuit (hereinafter referred to as AG).
C), the noise of the image signal is reduced by the CDS, and the level of the image signal is automatically adjusted by the AGC.

Reference numeral 202 denotes a timing control circuit which generates a reference clock under the control of the general control unit 211;
Reference numeral 4 denotes a timing generator that receives a reference clock from the timing control circuit 202 and sends a drive control signal to the CCD 303. In other words, the timing generator 314 outputs, for example, a timing signal of integration start / end (exposure start / end) and a read control signal (horizontal synchronization signal, vertical synchronization signal, transfer signal, etc.) for reading a light receiving signal for each pixel. A timing pulse is generated and sent to the CCD 303.

The exposure control in the image pickup unit is performed by adjusting the exposure amount of the CCD 303, that is, the charge accumulation time of the CCD 303 corresponding to the shutter speed since the aperture is fixed. If the brightness of the subject is too low to set an appropriate shutter speed,
By adjusting the level of the image signal output from the CCD 303 by the signal processing circuit 313, improper exposure due to insufficient exposure is corrected. That is, when the brightness of the subject is low, the exposure control is performed by combining the shutter speed and the gain adjustment.

The image signal from the signal processing circuit 313 is input to the A / D converter 205 and converted into, for example, a 10-bit digital signal.

Reference numeral 206 denotes a black level correction circuit for correcting the black level of the A / D converted image signal (hereinafter, referred to as image data) to a reference level, and 207, a white balance circuit (hereinafter, referred to as a WB circuit). . This WB circuit 2
07 converts the level of the pixel data of each of the R, G, and B color components using the conversion table input from the overall control unit 211, thereby automatically adjusting the white balance after gamma (γ) correction. Adjusted.

The conversion coefficient (characteristic gradient) of each color component in the level conversion table is set by the general control unit 211 for each captured image.

Reference numeral 208 denotes a gamma correction circuit for correcting the gamma characteristic of the image data.
For example, there are six types of gamma correction tables, and the gamma characteristics of image data are corrected by a predetermined gamma correction table according to a shooting scene and shooting conditions.

The image data output from the gamma correction circuit 208 is stored in the image memory 209. The image memory 209 has a storage capacity for one frame.
That is, the image memory 209 stores the n
When pixels are provided in rows and m columns, the storage capacity of pixel data for n × m pixels is provided, and each pixel data is stored in a corresponding pixel position.

Reference numeral 213 denotes a communication interface circuit (communication I / F) for exchanging data with the personal computer 2.

In the above configuration, the overall control unit 211
The image data is read out from the image memory 209 in response to a shooting instruction from the personal computer 2 and transferred to the personal computer 2 via the communication I / F circuit 213 and the signal cable 4.

On the other hand, reference numeral 41 denotes a projection lamp in the projection apparatus 1, and reference numeral 46 denotes a condensing lens which is disposed in front of the projection lamp 41 in the optical path direction and forms a projection optical system with the projection lamp 41. Reference numeral 42 denotes a transmission type liquid crystal which is disposed in front of the condenser lens 46 in the optical path direction and is driven by a liquid crystal driving circuit 44. Data displayed on the screen 200 of the personal computer 2 is input to the liquid crystal drive circuit 44 of the projection device 1 via the signal cable 4, and the liquid crystal drive circuit 44 converts the transmissive liquid crystal 42 to the screen 200 of the personal computer 2. Drives in synchronization with display. The image indicating the content focused on the transmission type liquid crystal 42 is formed by the imaging lens 4 in front of the transmission type liquid crystal 42.
The projection image 5 is projected on the whiteboard 3 via the projection 3.

As described above, the image indicating the content is projected and displayed on the whiteboard 3 by the projection device 1, and the supplementary explanation 7 can be handwritten on the whiteboard 3.
This eliminates the need for a conventional content-specific screen. Therefore, a small space for the presentation site can be achieved. In addition, the presenter was Whiteboard 3
Can answer the question at the position, and the content projection image 5 and the supplementary explanation 7 are displayed on the same whiteboard 3, so that the two can be easily compared with each other, and the listener can understand the supplementary explanation of the presenter more quickly. .

In particular, since the digital camera 100 is mounted on the projection device 1, the image 5 of the content on the whiteboard 3 and the handwritten supplementary explanation 7 can be arbitrarily photographed and recorded, and the content can be corrected later. It will be useful to

When giving a presentation, the content stored in the personal computer 2 in advance is read and the projection device 1
The content is sent to the side, so that the presenter can edit the contents of the content on the spot without the need for the staff dedicated to the operation of the personal computer 2.

The digital camera 100 is connected to the personal computer 2
The content and supplementary explanation data can be read from the personal computer 2 and displayed on the whiteboard 3 at any time.

By the way, as shown in FIG. 5, the content for presentation is made up of slides in page units, and is named 1 page, 2 pages,..., Respectively. Here, a content composed of slides up to 15 pages is illustrated. These are stored in a hard disk (not shown) of the personal computer 2.

Personal computer 2 for giving a presentation
Will be described with reference to FIG.

The tenth page of the content for presentation is displayed on the screen 200 of the personal computer 2, and a control button row is displayed on the lower right side together with the content 201 composed of a character string. The control button row is
A page number display section 202 for displaying the currently displayed page ("10" in FIG. 3), and a page return button 20
3, a page forward button 204, a mode switching button 205 for switching between "editing mode" and "presentation mode", and a shutter button 206. Each of the buttons 203 to 206 is clicked with a mouse cursor M to perform a predetermined operation. Perform control.

When the page return button 203 is clicked while the screen 200 of the personal computer 2 is in the display state shown in FIG.
The page data is called up, the display on the screen 200 is rewritten, and the page number display unit 202 displays the previous page “9”.

When the page forward button 204 is clicked while the screen 200 of the personal computer 2 is in the display state shown in FIG.
The data of one page is called up, the display of the screen 200 is rewritten, and the display of the page number display unit 202 displays the next page “11”. The presentation is executed by sequentially clicking the paging buttons 204.

When the shutter button 206 is pressed while the screen 200 of the personal computer 2 is in the display state shown in FIG. 3, pixel data is read from the image memory 209 of the digital camera 100, and the communication I / F 213 and the signal cable 4 are connected. The image data is transferred to the personal computer 2 via the personal computer 2. When the image data is taken into the personal computer 2, the image data is additionally registered in the content as a new 16-page slide.

As described above, each time the shutter button 206 is pressed, the photographed image is added to the page next to the last page of the content. That is, the shutter button 206
The video data displayed on the whiteboard 3 when is pressed is added as a new page to the last next page.

For example, as shown in FIG. 1, an image photographed by the digital camera 100 in a state where the supplementary explanation characters 7 and the like are handwritten on the whiteboard 3 is displayed on the personal computer screen 2.
As shown in FIG. 4, in addition to the original content image 201 displayed at 00, the handwritten character image 207 is also included. These images 201 and 207 are recorded on the personal computer 2 and are converted into 16-page slides for the content. be registered.

The content is composed of slides recorded in page units, and the display pages can be sequentially updated by the personal computer 2, so that the presenter can explain the content in a tidy manner even if the content is enormous. Further, since the image captured by the digital camera 100 is added to the last page of the content, the image does not confuse the content.

Next, when the mode switching button 205 is pressed, the display on the screen 200 of the personal computer 2 shifts to the "edit mode" as shown in FIG. Cursor 209 is displayed, and characters input with the keyboard of the personal computer 2 can be displayed here.

However, at the presentation site,
It is more practical to write the characters 7 and the like on the whiteboard 3. This mode is used after a rehearsal or end of a presentation.

When the save button 210 is pressed after editing, the content is stored in the hard disk in the personal computer 2, and when the mode switch button 205 is pressed, the mode returns to the "presentation mode". By storing the content, the result of the presentation can be arbitrarily referred to later, which can be useful for supplementing or editing presentation materials, and improving the procedure of presentation.

By the way, in the above-described embodiment, the content is stored in the personal computer 2 in advance and the application software is executed by operating the personal computer 2 at the time of the presentation. However, this system uses the personal computer 2. There is no limitation, and dedicated hardware may be prepared. It is most desirable to insert an image captured by a digital camera into the last page, but it may be inserted into any page depending on the application.

[0054]

As described above, according to the present invention, an image showing the content for presentation is projected and displayed on the writing display board by the projection device, and characters for supplementary explanation can be handwritten on the display board. This eliminates the need for a large screen, reduces the space constraints of the presentation site, and allows the presenter to respond to questions at the position of the writing board. Also, since the content image and the handwritten explanation are displayed on the same display board, the two can be compared at a glance, and the listener can easily understand the supplementary explanation and the like.

According to the second aspect of the present invention, since the presentation software is executed by operating the computer storing the content, the presenter can operate the computer to edit the content on the spot.

Furthermore, according to the third aspect of the present invention, since the image captured by the digital camera can be recorded in the computer, it is possible to read out the content and the supplementary explanation at any time and display it on the writing display board.

Furthermore, according to the fourth aspect of the present invention, since the content is composed of slides recorded in page units and the display page can be sequentially updated by the computer, the presenter can explain the content even if the content is enormous. It can be performed.

According to the fifth aspect of the present invention, since the photographed image of the digital camera is added to the last page of the content, the content is not confused by the image.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a presentation system according to an embodiment of the present invention.

FIG. 2 is a block diagram illustrating an outline of an electric system and an optical system of a projection device including a digital camera in the presentation system.

FIG. 3 is a diagram illustrating screen contents of a computer in the presentation system in a state of displaying contents.

FIG. 4 is a diagram illustrating screen contents of a computer in the presentation system in a display state of contents and handwritten characters.

FIG. 5 is an explanatory diagram in the case where the content of the presentation is composed of slides.

FIG. 6 is an exemplary view for explaining a screen content of a computer in the presentation system in a display state at the time of editing;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Projection apparatus 2 Computer 3 Writing display board 5 Content 100 Digital camera

Claims (5)

[Claims] 1. A projection device for projecting an image indicating presentation content, a writing display plate capable of displaying a projection image by the projection device, and a projection device provided integrally with the projection device and projecting on the display plate A presentation system comprising a digital camera capable of taking an image. 2. When the content is stored in a computer in advance and the presentation is performed, the content is read out from the computer side by the operation of the computer, and is transmitted to the projection apparatus side as projection data to be projected. The presentation system according to claim 1, wherein the presentation system is configured to cause the presentation. 3. The presentation system according to claim 2, wherein an image photographed by said digital camera is recorded in said computer. 4. The presentation system according to claim 1, wherein the content is composed of slides recorded in page units, and the pages displayed by the operation of the computer are sequentially updated. 5. An image captured by the digital camera,
The presentation system according to claim 4, wherein the presentation system is configured to be added to a last page of the content.