Abstract: The present invention provides a stylus for transmitting electrical signals carrying pressure information, comprising: a first component with variable impedance reflecting a pressure, wherein the first component is configured for receiving first signals encoded by a pseudo-random number (PN) code in a first time period; a second component with fixed impedance, wherein the second component is configured for receiving second signals encoded by the PN code in a second time period; and a conductive tip section configured for: receiving the first signals from the first component in the first time period; receiving the second signals from the second component in the second time period; transmitting electrical signals which is composed of the first signals in the first time period; and transmitting electrical signals which is composed of the second signals in the second time period.

Abstract: The present invention provides a stylus for transmitting electrical signals carrying pressure information, comprising: a first component with variable impedance reflecting a pressure, wherein the first component is configured for receiving first signals encoded by a first pseudo-random number (PN) code; a second component with fixed impedance, wherein the second component is configured for receiving second signals encoded by a second PN code; and a conductive tip section configured for: receiving, simultaneously, the first signals from the first component and the second signals from the second component; and transmitting electrical signals which is composed of the first signals and the second signals, wherein the first PN code is orthogonal to the second PN code.

Abstract: The present invention provides a touch sensitive processing apparatus for receiving electrical signals carrying pressure information transmitted from a first stylus, comprising: a sensing circuit, configured for receiving the electrical signals via electrodes of a touch panel; and a processor, coupled to the sensing circuit, configured for: despreading a first preamble code of the received electrical signals in accordance with a pseudo-random number (PN) code in a first time period; despreading a second preamble code of the received electrical signals in accordance with the PN code in a second time period; and calculating the pressure information according to a first signal strength ratio of a first part of the received electrical signal and a second part of the received electrical signal, wherein the first part comprises the first preamble code and the second part comprises the second preamble code.

Abstract: A stylus includes a pen body, an internal circuit, at least one modular function device, and a pen head disposed at a lower part of the pen body and including a first conductive part. The modular function device includes a circuit module disposed inside a main body thereof and electrically connected to connection interfaces disposed on upper and lower sides of the main body, respectively. The connection interface of the modular function device can be mounted on the adapted connection interface of the pen body, and two adjacent modular function devices can be concatenated with each other through the adapted connection interfaces thereof. As a result, according to the user's requirement, the stylus can be extended with various modular function devices, and the modular function device mounted on the stylus can also be replaced.

Abstract: The present invention provides a stylus for providing a tilt angle, comprising: a first electrode at a tip of the stylus; a second electrode surrounding the first electrode; a third electrode surrounding the second electrode, wherein the first electrode and the third electrode are not electrically coupled, the second electrode and the third electrode are not electrically coupled; and a control module connecting the first electrode, the second electrode and the third electrode, wherein the control module instructs the first electrode and the second electrode to emit a first-time-period electrical signal during a first time period, and instructs the first electrode and the second electrode to emit a second-time-period electrical signal and the third electrode to float during a second time period.

Abstract: A despreading method is applicable to a touch sensitive screen including multiple first electrodes being parallel to a first axis and multiple second electrodes being parallel to a second axis. The despreading method includes the following steps: coupling at least two of the second electrodes as a synchronization channel; despreading a first preamble code of a first signal frame of received signal from the synchronization channel to retrieve a first synchronization information according to a first pseudo noise code; and decoding a first data code behind the first preamble code of received signal from at least one of the first electrodes in accordance with the first synchronization information and the first pseudo noise code.

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 invention provides a touch sensitive processing method including: having a sensing circuit of a touch sensitive processing apparatus sense an electrical signal emitted from a transmitter via multiple first electrodes according to a first sensing parameter to generate multiple first sensing results and sense the electrical signal via multiple second electrodes according to a second sensing parameter to generate multiple second sensing results; calculating a second coordinate value of the transmitter with respect to a second axis according to the first sensing results; calculating a first coordinate value of the transmitter with respect to a first axis according to the second sensing results; setting the second sensing parameter according to the second coordinate value; and setting the first sensing parameter according to the first coordinate value.

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: The present application provides a method for determining mistaken approaching/touching event, comprising: gathering one or more touch sensitive signal value corresponding to a line piece; calculating a sum of differences of each signal value and a baseline value; and if the sum is less than or equals to zero, determining the line piece is corresponding to a mistaken approaching/touching event.

Abstract: The present invention provides a touch sensitive processing apparatus for controlling a pressure and touch sensitive panel which comprises: at least one elastic and dielectric element; and an enclosed force sensitive electrode located by one side of the elastic and dielectric element. The enclosed force sensitive electrode comprises multiple electrical wiring points for connecting to the touch sensitive processing apparatus.

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: A method for assembling a force sensitive capacitor is provided. The method comprises: assembling an insulating member to a rear end of a rear-end moving part; inserting a front-end moving part and the rear-end moving part into a case from a front end and a rear end of the case, respectively, and assembling connecting portions of the front-end moving part and the rear-end moving part; assembling a compressible conductor to a front end of a conductor base; and inserting the conductor base into the case from the rear end of the case and assembling the conductor base to the case.

Abstract: The present invention provides a pressure and touch sensitive panel, comprising: at least one elastic and dielectric element; and an enclosed force sensitive electrode located by one side of the elastic and dielectric element. The enclosed force sensitive electrode comprises multiple electrical wiring points for connecting to a touch sensitive processing apparatus for the pressure and touch sensitive panel.

Abstract: The present application provides a touch control apparatus for detecting a tilt angle of a stylus emitting electrical signals. A processing module of the touch control apparatus is configured for instructing a signal strength detecting circuit to calculate magnitudes of signal strengths of electrical signals in two time periods to determine a modulation sequence. The modulation sequence includes a plurality of modulations, in each of the time periods one type of the plurality of modulations is used. And the processing module is further configured for determining the tilt angle of the stylus based on the electrical signals of the two time periods.

Abstract: When an external object approaches or touches a touch sensor, predicted locations of the external object can be generated by detected locations according to signals from the touch sensor. The latest predicted location is shifted backwards towards the latest reported location for a portion of the distance between the predicted location and the latest reported location to generate a new reported location, whereby jittering of the reported locations caused by noise in the signals of the touch sensor can be reduced or filtered.

Abstract: The present invention provides a mutual-capacitance touch screen comprising multiple parallel first electrodes and multiple parallel second electrodes coupled to a touch sensitive processing apparatus; and a covering layer for covering the first and the second electrodes, wherein a thickness of the covering layer and a third distance between one of the first electrodes and an adjacent second electrode form a third ratio range.

Abstract: The present invention provides a touch sensitive processing method for calibrating a pressure value to a stylus. The method includes receiving a pressure value to the stylus; receiving a tilt angle between the shaft of the stylus and a touch screen plane; and calculating a calibrated pressure value based on the pressure value and the tilt angle.

Abstract: The present invention provides a stylus for providing a tilt angle, comprising: a first electrode at a tip of the stylus; a second electrode surrounding the first electrode; a third electrode surrounding the second electrode, wherein the first electrode and the third electrode are not electrically coupled, the second electrode and the third electrode are not electrically coupled; and a control module connecting the first electrode, the second electrode and the third electrode, wherein the control module instructs the first electrode and the second electrode to emit a first-time-period electrical signal during a first time period, and instructs the first electrode and the second electrode to emit a second-time-period electrical signal and the third electrode to float during a second time period.

Abstract: An electronic board eraser, including: a case, a wiping surface connecting to the case; at least three eraser electrodes; a driving circuit connecting to the at least three eraser electrodes; a sensing electrode; a sensing circuit connecting to the sensing electrode; and a processor connecting to the driving circuit and the sensing circuit, wherein the processor is configured to execute a program module for realizing the following steps: having the sensing circuit sense a beacon signal emitted from a touch panel; and having the driving circuit provide electrical signals to the at least three eraser electrodes after a time period since the beacon signal is emitted.