Abstract: A signal calibration method for synchronizing a clock signal and at least one data signal in a transmission system is disclosed. The signal calibration method comprises detecting at least one transmission time difference between the clock signal and the at least one data signal transmitted in the transmission system, calculating a plurality of delay periods of the clock signal and the at least one data signal according to the at least one transmission time difference, and respectively delaying the clock signal and the at least one data signal for the plurality of delay periods to synchronize the clock signal and the at least one data signal.

Abstract: A gamma voltage generator including an operation amplifier, a first reference impedance unit, a second reference impedance unit, a first variable impedance unit, a second variable impedance unit, and a select unit is provided. The operation amplifier generates an amplified output voltage. The first reference impedance unit receives a first gamma voltage, and the second reference impedance unit receives a second gamma voltage. The first variable impedance unit provides a first variable impedance, and the second variable impedance unit receives the first gamma voltage and provides a second variable impedance. The select unit selects the amplified output voltage or the first gamma voltage according to a control signal to generate an interpolated gamma output voltage.

Abstract: In a first display period of a display device, a first count value is recorded at the rising edge of the data enable signal for controlling the length of a horizontal line. Next, a second count value is recorded at the falling edge of the data enable signal for identifying the time when the data enable signal switches from a high level to a low level. When entering a porch period following the first display period, the counter is cleared when the count value reaches the first count value. In a second display period following the porch period, the counter is cleared at the rising edge of the data enable signal, and the first count value is used for controlling the length of the horizontal line.

Abstract: A display driver apparatus and an inversion method thereof are provided. The display driver apparatus includes a gate drive unit, a source drive unit, a multiplexer unit and a common voltage generation unit. The gate drive unit is used to generate a gate signal for turning on/off sub-pixels. The source drive unit is used to generate a source signal required by the display panel. The multiplexer unit is used to regulate the sequence for the source signal to be delivered to the sub-pixels. The common voltage generation unit is used to generate a common voltage and switch the level of the common voltage during the enable period of the gate signal.

Abstract: A power converting apparatus including a power converting unit and a control unit is provided. The power converting unit receives an input voltage and generates an output voltage for a display driving unit according to a control signal. The control unit provides the control signal to the power converting unit, wherein the control unit adjusts the duty cycle or the frequency of the control signal according to an image signal. In addition, a power converting method is also provided.

Abstract: A panel control device and an operation method thereof are provided. The panel control device includes a touch controller and a display controller. The display controller drives a touch display panel module to display an image. The touch controller senses a touch event of the touch display panel module. Wherein, the sensing operation of the touch controller is enabled/disabled in accordance with the driving operation of the display controller.

Abstract: A touch sensing system including a touch interface, at least one sensing unit, and a switching unit is provided. The sensing unit is coupled to the touch interface. The touch sensing system is switched to a first sensing mode or a second sensing mode by the switching unit according to a control signal. When the touch sensing system is in the first sensing mode, the sensing unit senses a first sensing signal and a second sensing signal of the touch interface. On the other hand, when the touch sensing system is in the second sensing mode, the sensing unit senses the first sensing signal according to a driving signal. An electronic touch apparatus and a touch sensing method are also provided.

Abstract: A touch sensing system including a touch interface and a control unit is provided. The touch interface senses at least one edge change of at least one region on the touch interface corresponding to at least one object. The control unit defines a touch gesture corresponding to the object according to the edge change so as to perform a touch operation corresponding to the touch gesture. Additionally, a touch sensing method is also provided. In the touch sensing method, whether the touch gesture is a moving gesture, a rotation gesture, a flip gesture, a zoom-in gesture, or a zoom-out gesture is determined according to any change of a touch region.

Abstract: A sensing and driving apparatus suitable for a sensing interface is provided. The sensing and driving apparatus includes a driving module and a sensing unit. The driving module outputs a first reference signal and a second reference signal which have different polarities with each other, and respectively transmits the first reference signal and the second reference signal to a first driving line and a second driving line of the sensing interface so as to generate a first sensing signal during a first period. The sensing unit receives the first sensing signal and detects a change of the first signal so as to generate a sensing result. A sensing and driving method, a touch sensing system and a device using the same are also provided herein.

Abstract: A touch sensing system includes a touch interface and a control unit. The touch interface senses at least one area change generated on the touch interface by at least one object. The control unit defines a touch gesture corresponding to the at least one object according to the at least one area change, so as to perform a touch operation according to the touch gesture. On the other hand, a touch sensing method is also provided. For users, the touch sensing method in the invention employs a pseudo three-dimensional touch sensing technology, such that applications of the touch sensing technology become more diverse.

Abstract: A touch sensing system which includes a touch input interface and a capacitance sensing circuit is provided. The touch input interface includes a plurality of sensing capacitors which output at least one waveform under test and at least one reference waveform. The capacitance sensing circuit includes a difference comparing unit. The difference comparing unit receives the waveform under test and the reference waveform and outputs a differential signal according to at least one positive edge difference and at least one negative edge difference between the waveform under test and the reference waveform. Furthermore, a capacitance sensing method is also provided.

Abstract: A touch sensing system including a touch input interface and a capacitance sensing circuit is provided. The touch input interface includes a plurality of sensing capacitors for outputting a capacitance under test and a reference capacitance. The capacitance sensing circuit includes a first sensing channel, a second sensing channel, and a difference comparing unit. During a first period of the sensing period, the first sensing channel senses the capacitance under test, and the second sensing channel senses the reference capacitance. During a second period of the sensing period, the first sensing channel senses the reference capacitance, and the second sensing channel senses the capacitance under test. The difference comparing unit outputs a difference according to the capacitance under test and the reference capacitance. Additionally, a capacitance sensing method is also provided.

Abstract: An object sensing apparatus including an object sensing unit, a signal selecting unit, at least one signal sensing unit, and a control unit is provided. The object sensing unit outputs a plurality of sensing signals. The signal selecting unit selects at least one of the sensing signals as a signal under test and selects at least one of the unselected sensing signals as a reference signal. The signal sensing unit outputs a difference signal according to the signal under test and the reference signal. The control unit determines an object position relative to the object sensing unit according to the difference signal. Additionally, a touch sensing apparatus and a method thereof are also provided.

Abstract: A driving apparatus of a display is disclosed. The driving apparatus mentioned above includes a digital-to-analog converter circuit and an output buffer circuit. The digital-to-analog converting circuit receives a display data with a digital format for generating a gray-level voltage. The output buffer circuit has an output terminal to output an output signal. The output buffer circuit receives the gray-level voltage, a pre-charge enable signal and the output signal and provides a pre-charge output signal to the output terminal of the output buffering circuit according to the pre-charge enable signal and a comparison result of the gray-level voltage and the output signal.

Abstract: A touch sensing system includes a touch input interface and at least one capacitance sensing apparatus. The capacitance sensing apparatus includes a plurality of switch units and a differential sensing circuit. Each of the switch units is coupled to a corresponding sensing capacitor. A sensing input end of the differential sensing circuit receives a capacitance under test provided by at least one of the sensing capacitors. A reference input end of the differential sensing circuit receives a reference capacitance provided by at least one of the sensing capacitors. The differential sensing circuit compares the capacitance under test and the reference capacitance to output a first difference between the capacitance under test and the reference capacitance through an output end of the differential sensing circuit. A capacitance sensing method is also provided.

Abstract: A control method for an electronic device includes detecting a distance between an object and a reference point of the electronic device, and generating a control command for the electronic device according to the distance between the object and the reference point, in order to control the electronic device to perform a corresponding function.

Abstract: A capacitive touch sensing apparatus includes a plurality of sensing capacitor units, a control signal generation unit, a plurality of high impedance controllers, and a detection unit. The plurality of sensing capacitor units are utilized for generating a plurality of touch analog signals. The control signal generation unit is utilized for generating a plurality of control signals. The plurality of high impedance controllers are installed by intersections of a plurality of control signal lines and a plurality of signal transmission lines, where each of the high impedance controllers conducts a corresponding touch analog signal to a corresponding signal transmission line according to a corresponding control signal.

Abstract: A wired signal receiving apparatus including a signal receiver, a signal peak detector, and a signal comparator is disclosed. The signal receiver includes an operation current detecting circuit for detecting an operation current. The signal receiver further receives a transmission signal. The signal peak detector receives the operation current, detects a peak thereof, and generates a peak current. The signal comparator compares a reference signal and the peak current to generate an output current for regulating the operation current.

Abstract: A gamma voltage generation device for a flat panel display includes a first voltage dividing circuit coupled between a high voltage and a low voltage, for generating a plurality of primary voltages, a plurality of primary selectors coupled to the first voltage dividing circuit, each of the plurality of primary selectors for selecting a primary voltage from the plurality of primary voltages according to an original digital value, a second voltage dividing circuit coupled to the plurality of primary voltages, for generating a plurality of secondary voltages, and a plurality of secondary selectors coupled to the second voltage dividing circuit, each of the plurality of secondary selectors for selecting a secondary voltage to be a reference grayscale voltage of a gamma curve from a predetermined number of secondary voltages of the plurality of secondary voltages according to a target digital value.

Abstract: A gamma voltage generator including an operation amplifier, a first reference impedance unit, a second reference impedance unit, a first variable impedance unit, a second variable impedance unit, and a select unit is provided. The operation amplifier generates an amplified output voltage. The first reference impedance unit receives a first gamma voltage, and the second reference impedance unit receives a second gamma voltage. The first variable impedance unit provides a first variable impedance, and the second variable impedance unit receives the first gamma voltage and provides a second variable impedance. The select unit selects the amplified output voltage or the first gamma voltage according to a control signal to generate an interpolated gamma output voltage.