Silicon Integrated Systems Corporation

Han-Ning Chen

Chien-Yu Chiang

Wen-Chi Lin

Keng-Nan Chen

Chia-Yi Chu

Jew-Yong Kuo

Tsan-Hui Chen

Ming-Shien Lee

Hui-Chung Chen

Shih-Chan Huang

Kai-Chun Chuang

Chih-Sheng Chou

A touch control system includes: a touch panel; an active pen having a plurality of functions, the functions being used for controlling the active pen or the touch panel and initiated only by at least one voice signal, the active pen including: a voice receiving module configured to receive the at least one voice signal; a voice analyzing module configured to analyze the at least one voice signal to generate a controlling command; and a control module configured to determine that the controlling command is configured to control the active pen or the touch panel; and a touch controller electrically connected to the touch panel and receive, in response to the controlling command being configured to control the touch panel, the controlling command.

Touch control system and sensing method thereof and active pen

The present disclosure provides an audio data processing circuit and an audio data processing method. The audio data processing circuit includes a word select interface, a clock signal interface and an audio data interface. The word select interface is configured to receive a word select signal. The clock signal interface is configured to receive a clock signal, and generating an audio data interface signal according to a number of clocks of the clock signal in one period of the word select signal. The audio data interface is configured to transmit the audio data to a processing unit through a first transmission protocol or a second transmission protocol.

Audio data processing circuit and processing method thereof

A digital audio array circuit is provided. The digital audio array circuit includes at least two digital audio units and a system master unit. Each of the digital audio units is configured to transform a received sound wave to a digital audio signal. Each of the digital audio units includes a left/right channel configuration input terminal. The system master unit is connected to the at least two digital audio units in time division multiplexing to receive the digital audio signals. The left/right channel configuration input terminal of each of the digital audio units is configured to receive a same synchronizing signal.

Digital audio array circuit

A bidirectional active stylus and a sensing system are provided. The stylus includes a receiving electrode, a first emitting diode and a second emitting diode. The receiving electrode is configured to receive a synchronous signal from a touch pad. The receiving electrode is disposed at a position closer to the touch pad with respect to the first emitting diode and the second emitting diode. The strength of received signals is improved.

Bidirectional active stylus and sensing system

A device for detecting an audio interface includes a processing unit, a first audio interface transmitting circuit, and a second audio interface transmitting circuit. The processing unit is utilized to generate a clock signal and a word select (WS) signal. The first audio interface transmitting circuit is utilized to generate a first audio data according to the clock signal. The second audio interface transmitting circuit is utilized to generate a second audio data according to the clock signal and the WS signal. The processing unit switches to the first audio interface transmitting circuit if a voltage potential of the WS signal remains at a high voltage level or remains at a low voltage level longer than a predetermined period. The processing unit switches to the second audio interface transmitting circuit if the voltage potential of the WS signal changes during the predetermined period.

Device and method for detecting audio interface

A touch system includes a touch panel; an active pen configured to generate a signal; and a touch controller electrically connected to the touch panel and configured to detect the signal. When the touch controller supports at least two protocols, a protocol of the touch controller is automatically switched to one of the at least two protocols. The active pen automatically detects the one of the at least two protocols, and a protocol of the active pen is switched to the one of the at least two protocols.

Touch system

An active stylus pen comprises a touch component and a pressure sensing module. One end of the touch component is disposed at a nib part of the active stylus pen, wherein the touch component is configured to receive an external pressure. The pressure sensing module is connected to the touch component, wherein the pressure sensing module is configured to generate an oscillation signal, wherein the oscillation signal has a first frequency when the touch component receives the external pressure and the external pressure reaches a first threshold value, and wherein the oscillation signal is adjusted to have a second frequency when the touch component receives the external pressure and the external pressure does not reach the first threshold value; wherein a difference of the first frequency and the second frequency is larger than a second threshold value.

Active stylus pen generating oscillation frequency related to applied pressure

This present invention discloses a circuit for generating a delay signal, which includes a first delay line for generating a first delay signal, a second delay line for generating a second delay signal, a delay unit for generating an internal delay signal, a first phase detector for generating a first control signal, a second phase detector for generating a second control signal. There's a delay line monitor for generating the first delay control signal and the second delay control signal, and a DTC delay unit for generating the delay signal.

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Hsinchu, Taiwan

Han-Ning Chen