Interactive display screen and method thereof
A display screen, interactive technology, applied in the direction of instrument, electrical digital data processing, data processing input/output process, etc., can solve problems such as rising cost and increasing manufacturing difficulty
Inactive Publication Date: 2010-09-01
SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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Problems solved by technology
[0003] However, in the field of large-screen display, the use of touchpads is relatively seldom. This is because the existing touchpad technology often uses proximity (contact) sensors to realize interactive input, but once the display screen size is too large, the manufacturing difficulty increases. And the cost will rise dramatically
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[0036] The present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments.
[0037] Such as figure 1 and figure 2 As shown, the interactive display screen should include: a display screen 300 , an imaging device 200 , a light position acquisition device 400 and a processing unit 500 . The imaging device 200 is used to form an image including spatial position information of the object 100 with specific light information. The optical position acquisition device 400 is used to convert the image formed by the imaging device 200 and containing the spatial position information of the object 100 with specific optical information into a corresponding electrical position signal. The processing unit 500 is used for processing the electric position signal transmitted by the optical position acquisition device 400 , and controlling the display screen 300 to make a corresponding display.
[0038] Specifically, the display plane...
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The invention provides an interactive display screen and a method thereof. The interactive display screen comprises a display screen (300), an imaging device (200), an optical position acquiring device (400) and a processing unit (500), wherein the imaging device (200) is used for forming images of objects (100) with specific optical information, and the images of the objects comprises the space operation information thereof; the optical position acquiring device is used for converting the images which are formed by the imaging device (200) and comprise the space position information of the objects (100) with the specific optical information into corresponding position electric signals; and the processing unit (500) is used for processing the position electric signals transmitted by the optical position acquiring device and controlling the display screen (300) to correspondingly display. The invention has the advantages that interactive input can be realized without additional requirement on the display screen, and the interactive display screen is suitable for any display screens, such as a projection screen or a CRT (Cathode Ray Tube) display screen and the like, thereby the interactive input of large screens can be realized with lower cost.
Description
technical field [0001] The invention relates to an interactive display screen and an interactive display method. Background technique [0002] Interactive input means that the user directly operates in the displayed image, and the corresponding operation of the user can be displayed in time. Interactive input has been applied to various occasions more and more. Among them, the touch panel, as the most commonly used interactive input device, is widely used in PDA, notebook computer, mobile phone, industrial computer, large-screen TV, electronic whiteboard and other fields. Compared with the traditional mouse and keyboard, the operation directly on the display screen by using the touch panel is intuitive and simple, and has been welcomed by people. [0003] However, in the field of large-screen display, the use of touchpads is relatively seldom. This is because the existing touchpad technology often uses proximity (contact) sensors to realize interactive input, but once the d...
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IPC IPC(8): G06F3/042
Inventor 周倩马建设张松程雪岷郭洪峰刘敏霞郭华林毛乐山林喜荣
Owner SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV