Intelligent equipment and control method thereof
A technology of intelligent equipment and control methods, applied in the direction of instruments, electrical digital data processing, and input/output process of data processing, etc., can solve problems such as poor user experience and false positives, improve adaptability, and reduce the impact of external interference , Improve the effect of touch detection accuracy
Active Publication Date: 2021-02-12
HISENSE COMML DISPLAY CO LTD
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Problems solved by technology
[0003] However, the capacitance change of the coupling capacitor caused by the touch of a finger or a stylus is relatively weak, and it is relatively easy to be interfered by external noise, such as LCD (Liquid Crystal Display, liquid crystal display) interference, power interference, and bonding height , TP (Touch Panel, touch screen) deformation, and interference such as LCD deformation, especially large-size touch screens, these interference factors will directly affect the sensing signal of the touch screen, resulting in false alarms and poor user experience
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[0022] The specific implementation manners of a smart device and its control method provided by the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the described embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0023] An embodiment of the present invention provides a smart device, such as figure 1 shown, including:
[0024] touch screen 10;
[0025] Processor 20 configured to:
[0026] Provide a driving signal to the touch screen 10, and collect a sensing signal fed back by the touch screen 10;
[0027] When it is determined according to the sensing signal that the driving signal needs to be adjusted, the pulse width and...
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The invention discloses an intelligent device and a control method thereof, which can determine whether a driving signal for driving a touch screen needs to be adjusted or not based on a collected sensing signal fed back by the touch screen, namely can determine whether the touch screen has large external interference or not, and if the touch screen has large external interference, the touch screen needs to be adjusted. Therefore, the pulse width and / or the pulse frequency of the driving signal can be adjusted, and the adjusted driving signal is used for driving the touch screen to avoid interference similar to that of the driving signal before adjustment, so that the influence of external interference is reduced, the touch detection accuracy is improved, and meanwhile, the adaptability ofthe intelligent equipment to different environments is improved.
Description
technical field [0001] The invention relates to the field of touch technology, in particular to an intelligent device and a control method thereof. Background technique [0002] Touch screens based on capacitive mode include: self-capacitive touch screens and mutual-capacitive touch screens. Taking the mutual-capacitive touch screen as an example, multiple horizontal electrodes and multiple vertical electrodes are provided, and the crossing positions of the horizontal electrodes and the vertical electrodes can form coupling capacitance. When a finger or a stylus touches the touch screen, it can affect the capacitance of the coupling capacitor near the intersection position, so that the position where the touch occurs can be determined. [0003] However, the capacitance change of the coupling capacitor caused by the touch of a finger or a stylus is relatively weak, and it is relatively easy to be interfered by external noise, such as LCD (Liquid Crystal Display, liquid crysta...
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IPC IPC(8): G06F3/041G06F3/044
CPCG06F3/0416G06F3/044
Inventor 李新李颖王武军
Owner HISENSE COMML DISPLAY CO LTD