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Drawn image sharing apparatus

A technology for drawing images and sharing equipment, applied in instruments, two-way working systems, electrical digital data processing, etc., can solve problems such as affecting image visibility

Inactive Publication Date: 2012-05-16
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in this prior art, the projection of an image on the screen by the projector needs to be interrupted at certain time intervals in order to capture the projected image, thus adversely affecting the visibility of the image displayed on the screen (drawing object)

Method used

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  • Drawn image sharing apparatus

Examples

Experimental program
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Embodiment Construction

[0020] figure 1 A drawn image sharing system 1 according to an embodiment of the present invention is illustrated. The drawn image sharing system 1 includes a whiteboard 2a (drawing object), a projection device 3a, an image capturing device 4a, and a drawn image sharing device 5a, which are installed in one place such as a conference room. The drawn image sharing system 1 also includes a whiteboard 2b (drawing object), a projection device 3b, an image capturing device 4b, and a drawn image sharing device 5b installed at another location such as another meeting room. Hereinafter, the whiteboards 2a and 2b are collectively referred to as "whiteboard 2". The projection devices 3a and 3b are collectively referred to as "projection device 3" below. The image capturing devices 4a and 4b are collectively referred to as "image capturing device 4" below. Hereinafter, the drawn image sharing devices 5a and 5b are collectively referred to as "drawn image sharing device 5". Preferably...

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PUM

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Abstract

A drawn image sharing apparatus for allowing images drawn on plural drawing objects to be shared among the drawing objects includes an image receive unit configured to receive an image transmitted from one or more other drawn image sharing apparatuses; an image display unit configured to display the image received by the image receive unit on a drawing object; a shared area image acquiring unit configured to acquire an image of a shared area of the image displayed by the image display unit; a difference image generating unit configured to generate a difference image indicating a difference in the shared area between the image displayed by the image display unit and the image acquired by the shared area image acquiring unit; and an image transmit unit configured to transmit the difference image to the one or more other drawn image sharing apparatuses.

Description

technical field [0001] The present invention relates generally to a drawing image sharing device, and in particular to a drawing image sharing device capable of allowing an image drawn on a plurality of objects to be shared among objects. Background technique [0002] There is known a teleconferencing system in which characters or figures drawn on an object such as a whiteboard or blackboard (hereinafter referred to as "drawing object") installed at a separate location are captured with an image capturing device such as a camera. (hereinafter referred to as "image") so that an image can be projected on each drawing object using a projection device such as a projector. In this way, images drawn on a plurality of drawing objects can be displayed on each on one drawing object, thus allowing images to be shared by people in various locations. In other words, the system uses a projection device as an image forming device as well as an image capturing device to allow images drawn ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/15
CPCG06F3/1415
Inventor 桥本隆子荒木祯史大村庆二糟谷勇儿阪上弘文
Owner RICOH KK