Abstract: An electronic eraser includes a carrier defining therein an accommodation chamber, two or three signal transmitters mounted on the border inside the accommodation chamber and one or multiple signal transmitters mounted inside the accommodation chamber between two bordered signal transmitters beyond the midpoint therebetween, and a power supply mounted inside the accommodation chamber and electrically coupled with the signal transmitters to provide the signal transmitters with the necessary working electricity. When going to clear the writing or drawers on a touchscreen the user can move the carrier, enabling the touchscreen to receive and process the signals of the signal transmitters and to clear the writing or drawings on the surface thereof according to the signal processing result, and thus, the invention facilitates the operating convenience.

Abstract: When a touch sensor is approached or touched by an object having a small area, the corresponding approach or touch signal might be slightly less than the threshold originally used for normal detection. By comparing the sum of the corresponding approach or touch signal and some adjacent signals with the threshold, the approach or touch of a small-area object that otherwise would not be detected by the original method can be determined.

Abstract: The present invention provides a touch control apparatus capable of detecting a tilt angle and an axial direction of a stylus, wherein the stylus includes a first electrode at a tip of the stylus, a second electrode surrounding the first electrode. and a first button; the touch control apparatus comprising: a sensing circuit connected to a touch screen; a signal strength detecting circuit; and a processing module connected to the sensing circuit and the signal strength detection circuit, the processing module being configured for determining the status of the first button based on the modulation sequence; and determining the tilt angle and the axial direction of the stylus based on the electrical signals of a plurality of time periods.

Abstract: A mutual capacitance touch sensing device inspection method is performed by: measuring the capacitive coupling amounts of all the crossover points between driving lines and sensing lines of the touch sensing panel, and then integrating the measured capacitive coupling amounts and the respective crossover point coordinate data into respective 2-D sensing information for creating local 2-D sensing information by integrating each predetermined number of adjacent crossover points and the respective capacitive coupling amounts so that the processor can get respective flatness indexes and integrate the flatness indexes and the respective coordinate data of the local 2-D sensing information into a flatness index information for determine the touch sensing panel to be a qualified, defective-acceptable or defective product.

Abstract: When a touch sensor is approached or touched by a capacitive pen in a small area, the corresponding approach or touch signal might be slightly less than the threshold originally used for normal detection. By comparing the sum of the corresponding approach or touch signal and some adjacent signals with the threshold, the approach or touch of a small-area object that otherwise would not be detected by the original method can be determined. The capacitive pen can be made of bonded conductive fibers.

Abstract: The invention provides a touch sensing method. The touch sensing method comprises the following steps: obtaining a first 1-D sensing information, wherein the first 1-D sensing information comprises a plurality of first values; obtaining a second 1-D sensing information, wherein the second 1-D sensing information comprises a plurality of second values, wherein the positions of the first values respectively correspond to the positions of the second values, and the first 1-D sensing information is generated when no external conductive object approaches or touches; determining a plurality of first variations based on the differences between the first values and the corresponding second values; determining an average variation based on all or part of the first variations; and determining a plurality of second variations based on the differences between the first variations and the average variation.

Abstract: When a touch sensor is approached or touched by an object having a small area, the corresponding approach or touch signal might be slightly less than the threshold originally used for normal detection. By comparing the sum of the corresponding approach or touch signal and some adjacent signals with the threshold, the approach or touch of a small-area object that otherwise would not be detected by the original method can be determined.

Abstract: The present invention provides a touch control apparatus capable of detecting a tilt angle and an axial direction of a stylus, wherein the stylus includes a first electrode at a tip of the stylus, a second electrode surrounding the first electrode. and a first button; the touch control apparatus comprising: a sensing circuit connected to a touch screen; a signal strength detecting circuit; and a processing module connected to the sensing circuit and the signal strength detection circuit, the processing module being configured for determining the status of the first button based on the modulation sequence; and determining the tilt angle and the axial direction of the stylus based on the electrical signals of a plurality of time periods.

Abstract: A touch sensitive processing apparatus is used to detect at least one object approximating or touching a touch screen and is configured for iteratively executing the following steps: having a driving circuit simultaneously sending a driving signal to two or more first electrodes, wherein at least one of the two or more first electrodes intersects with multiple second electrodes to form multiple intersection areas, the other of the two or more first electrodes intersects with multiple third electrodes to form multiple intersection areas; and having a sensing circuit simultaneously sensing the driving signal via the second electrodes to generate a one-dimensional sensing information and having the sensing circuit simultaneously sensing the driving signal via the third electrodes to generate another one-dimensional sensing information.

Abstract: A touch sensitive processing apparatus is used to detect at least one object approximating or touching a touch screen. The touch screen includes: multiple neighboring first electrodes and multiple neighboring second electrodes which are parallel to a first axis; and multiple neighboring third electrodes and multiple neighboring fourth electrodes which are parallel to a second axis. Each of the first electrodes intersects with the third electrodes to form multiple intersection areas, each of the second electrodes intersects with the fourth electrodes to form multiple intersection areas.

Abstract: A touch sensitive processing apparatus includes: a driving circuit for connecting to multiple first electrodes, respectively; a sensing circuit for connecting to multiple second electrodes, respectively; and a processor configured for executing multiple sets of first round mutual capacitive detecting steps. Each set of the first round mutual capacitive detecting step further includes: having the driving circuit sending a driving signal to neighboring N first electrodes, where N is a positive integer larger than 1; and having the sensing circuit simultaneously detecting the driving signal via the second electrodes for generating multiple first round sensing information with respective to the set of first round mutual capacitive detecting step. Each of the first round sensing information corresponds to an intersection of central line of the N first electrodes and the second electrode.

Abstract: A touch panel includes: multiple first electrodes parallel to a first axis; multiple second electrodes parallel to a second axis; and multiple third electrodes parallel to the second axis. Each of the first electrodes is arranged to be spanned on the touch panel and intersects with the multiple second electrodes or the multiple third electrodes to form multiple intersection areas.

Abstract: A stylus used to have a touch sensitive processing apparatus determine an axial direction and an angle of inclination which the stylus corresponds to a touch screen through electrical signal emitted by the stylus. The stylus includes: a penholder; a tip section on one end of the penholder; a first ring electrode surrounding the penholder; a second ring electrode surrounding the penholder, wherein the second ring electrode is closer to the tip section than the first ring electrode being, the first ring electrode and the second ring electrode are used to emit the electrical signal; and a first insulating material configured to have the first ring electrode electrically decouple the second ring electrode.

Abstract: The present application provides a touch sensitive processing method for configuring interconnection parameters between a touch panel and a touch sensitive processing apparatus in an electronic system. The method comprises: connecting, by an interconnection network of the apparatus, P first circuits of a first apparatus connector with a detecting circuit of the touch sensitive processing apparatus, respectively; detecting, by the detecting circuit, an impedance value of each of the first circuits sequentially via the interconnection network; and determining that there are M consecutive first touch sensitive electrodes connected to the M consecutive first circuits based on the impedance values.

Abstract: The present application provides a touch sensitive processing method for configuring interconnection parameters between a touch panel and a touch sensitive processing apparatus in an electronic system. The method comprises: connecting, by an interconnection network of the touch sensitive processing apparatus, P first circuits of a first apparatus connector with a drive circuit of the apparatus, connecting, by the interconnection network, Q second circuits of a second apparatus interface with a detecting circuit of the apparatus, respectively; having the drive circuit emit a drive signal from at least one of first touch sensitive electrodes via the interconnection network; and detecting, via the interconnection network by the detecting circuit, that there are N consecutive second touch sensitive electrodes connected to the N consecutive second circuits among the Q second circuits.

Abstract: The present application provides a touch sensitive processing method adaptable to a touch sensitive processing apparatus for detecting defects of a touch panel in an electronic system. The method comprises: connecting, by an interconnection network of the touch sensitive processing apparatus, second touch sensitive electrodes with a detecting circuit of the apparatus, respectively, connecting, by the interconnection network, at least one touch sensitive electrode with a drive circuit of the apparatus; having the drive circuit emit a drive signal via the at least one touch sensitive electrode; having the detecting circuit detect the drive signal via the second touch sensitive electrodes; calculating a phase shift between each neighboring pair of second touch sensitive electrodes receiving the drive signal; and determining at least one second touch sensitive electrode of the pair is faulty when the phase shift is larger than a phase shift threshold and reporting information related to the defect to a host.

Abstract: The present application provides a method for determining correspondences between multiple display processing apparatuses and multiple touch sensitive processing apparatuses. The method comprises: having a first display processing apparatus display a first prompt information on a first touch screen; having a first and a second touch sensitive processing apparatuses receive a first touch event; when the first touch event is from the first touch sensitive processing apparatus, determining the first touch screen is connected with the first touch sensitive processing apparatus; and when the first touch event is from the second touch sensitive processing apparatus, determining the first touch screen is connected with the second touch sensitive processing apparatus.

Abstract: A method is provided for detecting a transmitter approaching or touching a touch sensitive display. The transmitter transmits an electrical signal which is mixed from a plurality of signals having different frequencies. The display includes a liquid crystal layer between pixel electrodes and common electrodes and a plurality of second electrodes. The common electrodes include a plurality of first electrodes. A plurality of sensing points is located in the intersections of the plurality of first electrodes and the plurality of second electrodes. The method includes: calculating the total signal strength of a received signal with respect to each of the first electrodes; calculating the total signal strength of a received signal with respect to each of the second electrodes; calculating a relative position between the transmitter and the display according to the calculated total signal strengths of the received signals with respect to each of the first and second electrodes.

Abstract: A detection method and device for a touch screen is provided. When a pen touching or approaching the touch screen is detected, only the location of the pen in a predetermined range is provided, and the locations of all other objects within the predetermined range are not provided, such as the location of a palm. Only when the pen is no longer detected over a predetermined period of time, then the locations of objects other than the pen in the predetermined range are provided again.

Abstract: A transmitter is provided by the present application. The transmitter comprises a first element, configured to receive signal with a first frequency group, wherein first impedance value of the first element is changed according to a force, a second element with a second frequency group, and a tip section, configured to receive outputs of the first and the second elements and to transmit an electric signal, wherein the tip section is used to receive the force.