Abstract: A method for determining a change of an initial distance of a sensing electrode is provided. The method includes: calculating a real-time pressure output by each sensing electrode according to real-time feature data output by each sensing electrode in a touch screen when a pressure is applied on the touch screen and a corresponding relationship between the feature data and the pressure; rectifying the real-time pressure output by each sensing electrode according to prestored relative elastic coefficients at different press positions relative to each sensing electrode; and determining a sensing electrode whose initial distance is changed among all the sensing electrodes according to a difference between the rectified real-time pressures output by different sensing electrodes, to calibrate the corresponding relationship between the feature data and the pressures of the sensing electrode whose initial distance is changed.

Abstract: The present invention relates to the field of touch technologies, and provides a force detection method, apparatus and device. The force detection method includes: receiving a deformation caused by external force and identified by at least one sensing electrode, and converting the deformation into a corresponding raw feature value characterized by an electrical signal, wherein the raw feature value corresponds to the force; and calculating force information fed back by the at least one sensing electrode according to the raw feature value of the at least one sensing electrode. With the force detection method, apparatus and device according to the invention, when a plurality of positions is pressed by force, the force information at each position may be accurately acquired. In practice, multi-finger press detection may be implemented on the touch screen by using fewer electrodes, thereby reducing the cost and improving the user experience.

Abstract: The present disclosure provide a method for detecting a force, including: acquiring a plurality of sample data of a first electronic device, where each of the plurality of sample data includes a preset force and raw data of the first electronic device, and the raw data of the first electronic device is obtained by detecting a deformation signal generated by the preset force applied to an input medium of the first electronic device; and determining a fitting function according to the plurality of sample data of the first electronic device, where the fitting function denotes a corresponding relationship between a force applied to the input medium of the first electronic device and detected raw data, and the fitting function is used for a second electronic device to determine a force corresponding to raw data detected when an input medium of the second electronic device is subjected to an acting force.

Abstract: The present disclosure provide a method for detecting a force, including: acquiring a plurality of sample data of a first electronic device, where each of the plurality of sample data comprises a preset force and raw data of the first electronic device, the raw data of the first electronic device is obtained by detecting a deformation signal which is generated by applying the preset force on an input medium of the first electronic device; and determining a fitting function according to the plurality of sample data, where the fitting function denotes a corresponding relationship between a force applied to the first electronic device and detected raw data, and the fitting function is for allowing a second electronic device to determine a force corresponding to detected raw data when an input medium of the second electronic device is subjected to an acting force.

Abstract: A method for determining a change of an initial distance of a sensing electrode is provided. The method includes: calculating a real-time pressure output by each sensing electrode according to real-time feature data output by each sensing electrode in a touch screen when a pressure is applied on the touch screen and a corresponding relationship between the feature data and the pressure; rectifying the real-time pressure output by each sensing electrode according to prestored relative elastic coefficients at different press positions relative to each sensing electrode; and determining a sensing electrode whose initial distance is changed among all the sensing electrodes according to a difference between the rectified real-time pressures output by different sensing electrodes, to calibrate the corresponding relationship between the feature data and the pressures of the sensing electrode whose initial distance is changed.

Abstract: The present invention relates to the field of touch technologies, and provides a force detection method, apparatus and device. The force detection method includes: receiving a deformation caused by external force and identified by at least one sensing electrode, and converting the deformation into a corresponding raw feature value characterized by an electrical signal, wherein the raw feature value corresponds to the force; and calculating force information fed back by the at least one sensing electrode according to the raw feature value of the at least one sensing electrode. With the force detection method, apparatus and device according to the invention, when a plurality of positions is pressed by force, the force information at each position may be accurately acquired. In practice, multi-finger press detection may be implemented on the touch screen by using fewer electrodes, thereby reducing the cost and improving the user experience.

Abstract: A pressure detection method includes: using a pressure sensing layer to sense multiple values of pressure parameter variation generated by a user's pressing operation; generating multiple feature values according to the multiple values of pressure parameter variation; selecting at least one feature value from the multiple feature values as a current feature value; obtaining a predetermined relationship between feature value of a current sensing unit and pressure from predetermined relationships between multiple feature values of the sensing units and pressures; and calculating a current pressure corresponding to the current feature value according to the predetermined relationship between feature value of the current sensing unit and pressure. A touch control chip and the pressure detection module are also provided.

Abstract: The present disclosure provide a method for detecting a force, including: acquiring a plurality of sample data of a first electronic device, where each of the plurality of sample data includes a preset force and raw data of the first electronic device, and the raw data of the first electronic device is obtained by detecting a deformation signal generated by the preset force applied to an input medium of the first electronic device; and determining a fitting function according to the plurality of sample data of the first electronic device, where the fitting function denotes a corresponding relationship between a force applied to the input medium of the first electronic device and detected raw data, and the fitting function is used for a second electronic device to determine a force corresponding to raw data detected when an input medium of the second electronic device is subjected to an acting force.

Abstract: The present disclosure provide a method for detecting a force, including: acquiring a plurality of sample data of a first electronic device, where each of the plurality of sample data comprises a preset force and raw data of the first electronic device, the raw data of the first electronic device is obtained by detecting a deformation signal which is generated by applying the preset force on an input medium of the first electronic device; and determining a fitting function according to the plurality of sample data, where the fitting function denotes a corresponding relationship between a force applied to the first electronic device and detected raw data, and the fitting function is for allowing a second electronic device to determine a force corresponding to detected raw data when an input medium of the second electronic device is subjected to an acting force.