Touch detection system
A detection system and touch technology, applied in instruments, electrical digital data processing, data processing input/output process, etc., can solve problems such as high cost, slow response speed, inability to provide users with multi-touch functions, etc., to achieve The effect of rapid identification and cost reduction
Active Publication Date: 2012-11-28
创维光电科技(深圳)有限公司
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[0004] The purpose of the present invention is to provide a touch detection system, aiming at solving the problems in the prior art that cannot provide users with multi-touch functions, slow response speed and high cost
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[0013] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0014] In the embodiment of the present invention, by using a touch detection system including a stylus and a touch detection frame, two photoelectric encoders in the stylus output corresponding pulse data according to the displacement operation performed by the user, and then according to The pulse data generates direction information, speed information and distance information, and then the touch detection frame receives and processes the direction information, speed information and distance information, and then sends the corresponding position data to the main control computer, so as to quickly ...
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The invention provides a touch detection system and is applicable to the field of touch control. By using the touch detection system comprising a touch pen and a touch detection frame, two photoelectric encoders in the touch pen output corresponding pulse data according to the displacement operation executed by a user, and then generate direction information, speed information and distance information according to the pulse data; the touch detection frame receives and processes the direction information, the speed information and the distance information and sends corresponding position data to a master control computer so as to achieve the purpose of identifying the touch operation of the user rapidly; and the displacement operation can be accurately located and identified when the user performs multipoint touch operations through a plurality of touch pens, no circuit function module is necessary to be added as the size of a display screen increases, the cost is greatly reduced, and the problems that the multipoint touch function cannot be provided to the user, the response speed is low and the cost is high in the prior art are solved.
Description
technical field [0001] The invention belongs to the field of touch control, in particular to a touch detection system. Background technique [0002] With the continuous development of science and technology, in order to improve the convenience of operation and enhance user experience for various electronic devices with display screens, and to get rid of traditional physical button control, the existing technology provides an infrared touch technology. Infrared emitting tubes and infrared receiving tubes are installed around the touch panel. The infrared emitting tubes and infrared receiving tubes form a mutually perpendicular infrared emitting and receiving array according to the one-to-one mapping relationship. Whether the infrared beam between is blocked to determine whether a touch action occurs. [0003] However, although the above-mentioned prior art can recognize touch actions, as the size of the display screen increases, the size of the touch panel also increases acc...
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Inventor 王维姜新华
Owner 创维光电科技(深圳)有限公司