Gesture judgment method capable of filtering mistouched panel out

A touch panel and false touch technology, applied in the input/output process of data processing, instruments, electrical digital data processing, etc. Touch and other problems to achieve the effect of preventing accidental touch

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  • Abstract
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Problems solved by technology

Therefore, once it is only judged by the shape and size of the touch area that each touch event is caused by a finger or palm, it will be difficult to accurately determine whether the touch is a meaningful touch, and cannot effectively filter unnecessary touch events. meaningful touch, so it is difficult to achieve the real function of preventing false touch (palm rejection)

Method used

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  • Gesture judgment method capable of filtering mistouched panel out
  • Gesture judgment method capable of filtering mistouched panel out
  • Gesture judgment method capable of filtering mistouched panel out

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Embodiment Construction

[0051] Figure 1A It is a main flow chart of a gesture judgment method capable of filtering out false touch panels according to an embodiment of the present invention, which can effectively identify a touch event as a meaningful press or a meaningless press. In this embodiment, when it is detected that the area of ​​the touch area belongs to a specific area range, it is further determined whether the shape of the touch area is a false touch shape. Therefore, compared with the known technology, in addition to using the area to filter meaningless touch events with too large or too small areas, more other types of meaningless touch events can be further filtered through the shape. In addition, the gesture determination method of this embodiment can be applied to various types of touch panels, such as capacitive touch panels, resistive touch panels, infrared touch panels, and so on.

[0052] The so-called meaningless pressing here can be caused unintentionally by the user, such as...

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Abstract

A gesture judgment method capable of filtering a mistouched panel out includes the following steps of detecting the area value of a touch area of a touch incident on a touch panel, then judging whether the area value of the touch area is larger than a smallest preset area value and smaller than a largest preset area value, judging whether the shape of the touch area is a mistouched shape if the judgment result is yes, and finally not reporting back a touch coordinate when the shape of the touch area is the mistouched shape.

Description

technical field [0001] The present invention relates to a method for judging touch gestures, and in particular to a method for judging gestures that can filter out false touch panels. Background technique [0002] As the demand for multi-touch technology increases, the projected capacitive touch technology has become one of the mainstream touch panel technologies. Since the human body is a good conductor, if the human body is close to the projected capacitive touch panel, the capacitance generated by the electrostatic combination between the transparent electrode of the projected capacitive touch panel and the human body will change. The position of the touch point can be known by detecting the change of the capacitance of the sensing line on the projected capacitive touch panel. [0003] In addition, the current projected capacitive touch panel uses the size of the continuously pressed area to detect each touch event as a finger or palm touch, so as to filter out false pal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041
Inventor 王琮郁柯奕戎赖志章
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