Abstract:
A floating touch method and a touch device are provided. The touch device includes a capacitive touch panel and a sensor circuit. The capacitive touch panel includes separate electrode units and connecting traces corresponding to the separate electrode units one-on-one. At first, the sensor circuit controls the capacitive touch panel to sense a control object within different sensing ranges at different time points to determine a distance-related value between the control object and the capacitive touch panel. Then, the sensor circuit controls the capacitive touch panel to detect a floating touch action of the control object based on the distance-related value. Subsequently, the sensor circuit issues a control signal corresponding to the floating touch action to enable the touch device or the capacitive touch panel to perform a specific function.
Abstract:
For sensing a control point on a capacitive-type panel, first and second voltage signals are respectively received through two sets of receiving lines selected from N receiving lines in response to first and second charge/discharge signals transmitted through two sets of transmitting lines selected from M transmitting lines, respectively, during a specified time period. A characteristic value is generated by operating the first and second voltage signals. Repeat the steps to generate characteristic values for neighboring regions defined by different combinations of transmitting lines and receiving lines. Position information of control point(s) on the capacitive-type panel is estimated accordingly.
Abstract:
Once size of the substrate of a control-point sensing panel and tip width of a control object are given, an electrode layout structure can be acquired. The electrode layout structure includes M*N first sensing electrodes; M*N second sensing electrodes; a first signal input/output terminal set including M signal input/output terminals, each being electrically connected to N first sensing electrodes in parallel; and a second signal input/output terminal set including N signal input/output terminals, each being electrically connected to M second sensing electrodes in series. The first and second sensing electrodes are formed on the same plane, and form M*N electrode juxtaposition zones in M*N sensing cells at intersections. Each the electrode juxtaposition zone has width being 0.5˜4.5 times the tip width of the control object, and/or clearance between adjacent ones of the electrode juxtaposition zones is 0.5˜1.5 times the tip width of the control object.
Abstract:
For sensing a control point on a capacitive-type panel, first and second voltage signals are respectively received through two sets of receiving lines selected from N receiving lines in response to first and second charge/discharge signals transmitted through two sets of transmitting lines selected from M transmitting lines, respectively, during a first time period. Third and fourth voltage signals are received through two sets of receiving lines selected from the N receiving lines in response to third and fourth charge/discharge signals respectively transmitted through the two sets of transmitting lines, respectively, during a second time period. A characteristic value is generated according to the first, second, third and fourth voltage signals. Repeat the steps to generate characteristic values for neighboring regions defined by different combinations of transmitting lines and receiving lines. Position information of control point(s) on the capacitive-type panel is estimated accordingly.
Abstract:
A touch display in communication with at least one external electronic device through an external signal cable or a wireless transmission channel is provided. The touch display includes a display module, a touch panel formed on the display module and a control module. The control module is in communication with the touch panel, the display module and the external electronic device. The control module generates touch information in response to touch operation on the touch panel, and converts the touch information into a control instruction. The touch information or the control instruction is transmitted to the external electronic device through the external signal cable or the wireless transmission channel to operate the external electronic device.
Abstract:
A touch screen structure is provided. The touch screen structure includes a display module, a transparent conductive member and a control circuit. The display module has a transparent substrate. The transparent conductive member is formed on a surface of the transparent substrate for providing a single layer capacitive touch panel having sensor pads. A space between any two adjacent sensor pads is greater than or equal to 100 μm. The control circuit is electrically connected to the sensor pads for controlling the single layer capacitive touch panel.
Abstract:
A touch panel includes a base, which is a liquid crystal module serving as a ground; a flexible dielectric layer over the base; and a one-dimensional pattern layer with sensor cells positioned as the same layer over the flexible dielectric layer. The sensor cells form a sensor array, and each of the sensor cells is individually controlled and sensed via an independent sensing line, wherein press sensing control is conducted according to a capacitance change resulting from a distance change between the sensor array and the base in response to an external force, and touch or gesture-based sensing control is conducted according to a capacitance change in the sensor array without involving the base.
Abstract:
A touch-sensitive keypad control device for use with a controlled device is provided. The touch-sensitive keypad control device includes: a housing, a touch control device disposed in the housing, and a keypad device uncovered from the housing and disposed above the touch control device. The touch control device generates a first command for controlling the controlled device in response to a gesture of a user relative to the keypad device, and the keypad device generates a second command for controlling the controlled device in response to a level change of the keypad device relative to the housing in response to a pressing operation of a user.
Abstract:
A floating touch method and a touch device are provided. The touch device includes a capacitive touch panel and a sensor circuit. At first, the sensor circuit controls the capacitive touch panel to sense a control object within different sensing ranges at different time points to determine a distance value between the control object and the capacitive touch panel. Then, the sensor circuit controls the capacitive touch panel to detect a floating touch action of the control object based on the distance value. Subsequently, the sensor circuit issues a control signal corresponding to the floating touch action to enable the touch device or the capacitive touch panel to perform a specific function.