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Image transferring apparatus and display system using the same

一种传送装置、显示系统的技术，应用在光学观察装置、双向工作系统、闭路电视系统等方向，能够解决丢帧、影像分辨率不足等问题

Inactive Publication Date: 2008-09-10
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, user-recognizable frame drops may occur in important images, or insufficient resolution of important images may occur, as described above

Method used

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  • Image transferring apparatus and display system using the same
  • Image transferring apparatus and display system using the same
  • Image transferring apparatus and display system using the same

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Experimental program
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Embodiment Construction

[0046] The display system of the present invention is a display device including a plurality of input ports for receiving input from an imaging device. According to the refresh rate (corresponding to the display purpose), the video signals from the respective imaging devices are simultaneously displayed as video in different areas of the display screen. The input bandwidth (transfer speed) of the display device is allocated to the input from each camera device because the signal processing system (digital signal processor, block transfer engine, etc.) and the display device are between the inputs from each camera device. Commonly, the total input bandwidth of the display device (the sum of the input bandwidths of all video signals) is limited.

[0047] In other words, the display system of the present invention is capable of switching a plurality of video signals input from a plurality of imaging devices, simultaneously displaying the plurality of video signals as video, and i...

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PUM

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Abstract

The invention provides an image transferring apparatus and a display system using the apparatus. The image transferring apparatus (2) comprises a transferring means (4) that selectively transfers, to a display apparatus (9), a plurality of image signals drawn from one or more imaging apparatuses (20); an assigning means (8) that distributes and assigns refresh rates of the display apparatus (9) to the plurality of image signals; and a transferring control means (5) that controls the transferring means (4) such that the image signals are transferred to the display apparatus (9) at timings in accordance with the refresh rates assigned to the respective image signals. The assignments of the refresh rates can be changed. In this way, dropped frames can be prevented from occurring in an important image, and the resolution of an important image can be prevented from running short.

Description

technical field [0001] The present invention relates to a video transmission device that acquires video signals input from a plurality of imaging devices, and displays the video signals from the respective imaging devices as images on a display device, and a display system using the device. Background technique [0002] Conventionally, there is known an imaging and display system (multi-input system) capable of simultaneously inputting video signals from a plurality of imaging devices (cameras) and displaying the video signals from each imaging device as a video. [0003] In a conventional general multi-input system, a plurality of video signals input from a plurality of imaging devices are switched by a switching unit (for example, a switch) and sent to a display unit, whereby the video input from each imaging device can be displayed. Signal. [0004] For example, there is known an imaging device that switches a plurality of image signals input from a plurality of imaging ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G5/00G09G3/20G09G3/36G09G5/14H04N5/232H04N7/173H04N7/18
CPCB60R2300/105B60R2300/302B60R2300/70G06F3/14G09G2340/0435H04N5/2624H04N7/181H04N23/951H04N23/698H04N23/90B60R1/28B60R1/23
Inventor 竹村英夫青木俊也冈本俊弥
Owner SHARP KK
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