Patents by Inventor Chun-Kuan Wu

Chun-Kuan Wu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240085634
    Abstract: An optical fiber transmission device includes a substrate, a photonic integrated circuit, and an optical fiber assembly. The photonic integrated circuit is disposed on an area of the substrate. The substrate has a protruding structure at an interface with an edge of the photonic integrated circuit. The optical fiber assembly includes an optical fiber and a ferrule that sleeves the optical fiber. The protruding structure of the substrate is configured to abut against the ferrule to limit the position of the optical fiber assembly in a vertical direction of the substrate, such that the protruding structure is a stopper for the optical fiber assembly in the vertical direction.
    Type: Application
    Filed: September 14, 2023
    Publication date: March 14, 2024
    Applicant: AuthenX Inc.
    Inventors: Chun-Chiang YEN, Po-Kuan SHEN, Sheng-Fu LIN, Yi-Ting LU, Jun-Rong CHEN, Jenq-Yang CHANG, Mao-Jen WU
  • Publication number: 20240089000
    Abstract: An optical fiber network device includes a fiber and a photonic integrated circuit. Fiber receives a first optical signal and transmits a second optical signal. A first wavelength of first optical signal is different from a second wavelength of second optical signal. Photonic integrated circuit includes a laser chip, a photodetector, a wavelength division multiplexing coupler, a first optical modulation element and a second optical modulation element. Laser chip is disposed on photonic integrated circuit, and is configured to generate first optical signal. Photodetector detects second optical signal. Wavelength division multiplexing coupler is configured to couple first optical signal to fiber, and receives second optical signal. First optical modulation element is coupled to wavelength division multiplexing coupler and laser chip, and is configured to modulate first optical signal.
    Type: Application
    Filed: September 14, 2023
    Publication date: March 14, 2024
    Applicant: AuthenX Inc.
    Inventors: Sheng-Fu LIN, Po-Kuan SHEN, Chun-Chiang YEN, Yi-Ting LU, Jun-Rong CHEN, Jenq-Yang CHANG, Mao-Jen WU
  • Patent number: 11927799
    Abstract: A data transmission system is disclosed. The data transmission system includes at least one signal processing device, at least one conversion device, at least one antenna device, and at least one flexible printed circuit board. The at least one signal processing device is configured to generate or receive at least one data. The at least one conversion device is configured to transform between the at least one data and an optical signal. The at least one antenna device is configured to obtain the at least one data according to the optical signal, and configured to receive or transmit the at least one data wirelessly. The at least one flexible printed circuit board includes at least one conductive layer and at least one optical waveguide layer. The at least one optical waveguide layer is configured to transmit the optical signal.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: March 12, 2024
    Inventors: Po-Kuan Shen, Chun-Chiang Yen, Chiu-Lin Yu, Kai-Lun Han, Jenq-Yang Chang, Mao-Jen Wu, Chao-Chieh Hsu
  • Patent number: 11693515
    Abstract: The present invention provides a touch module, which comprises a touch panel, an analog front end circuit, and a microcontroller circuit. The touch panel generates a plurality of sensing signals. The analog front end circuit is coupled to the touch panel, generates a state signal, and generates a plurality of touch detecting signals according to the plurality of sensing signals. The microcontroller circuit is coupled to the analog front end circuit, generates one or more touch location signal according to the plurality of touch detecting signals, and enters the next switching state according to the state signal when the switching state is changed.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: July 4, 2023
    Assignee: Sitronix Technology Corp.
    Inventors: Wang-An Lin, Chun-Kuan Wu, Chen-Yuan Yang, Tsung-Han Tsai
  • Publication number: 20230190066
    Abstract: A cleaning equipment includes a first take-up reel, a first supply reel, a frame, a first cleaning film, and a transmission assembly. The frame includes an inner space accommodating the first take-up reel and the first supply reel side by side and an outer surface having at least one gap communicating with the inner space. The first cleaning film has a supply part on the first supply reel, a take-up part on the first take-up reel, and a middle part at least partially covering the outer surface of the frame. Two ends of the middle part enter the inner space through the at least one gap and are connected to the supply part and the take-up part, respectively. The transmission assembly is coupled to the first supply reel and the first take-up reel and drives at least one of the first supply reel and the first take-up reel to rotate.
    Type: Application
    Filed: December 5, 2022
    Publication date: June 22, 2023
    Inventors: CHUNG HANG SIT, WEN LONG SHU, CHUN KUAN WU, YU-CHUNG HSU, KUN-CHU WANG, YU CHENG OU, JIUN-YING YU, BING HUNG YANG, HUNG-TA CHIU, YU-CHENG WANG
  • Publication number: 20230190065
    Abstract: A cleaning robot includes a main body and a cleaning module. The main body is configured to move on a floor along a travelling direction. The cleaning module includes a first shaft and some first roller sets. The first shaft is connected with the main body. The first shaft extends along a first axis perpendicular to the travelling direction. The first roller sets are separated from each other. Each first roller set includes a first bearing, a first tire and a first flexible structure. The first shaft penetrates through the first bearing. The first tire includes a first cleaning surface configured to abut against the floor. The first flexible structure includes a first inner surface and a first outer surface. The first inner surface abuts against the first bearing. The first outer surface abuts against the first tire. The first flexible structure has a first elasticity.
    Type: Application
    Filed: December 21, 2022
    Publication date: June 22, 2023
    Inventors: Kun-Chu Wang, Wen-Long Shu, Chung-Hang Sit, Chun-Kuan Wu, Yu-Chung Hsu, Yu-Cheng Wang, Yu-Cheng Ou, Jiun-Ying Yu, Bing-Hung Yang, Hung-Ta Chiu, Chun-Chang Hung, Shih-Jung Hsu
  • Patent number: 11658675
    Abstract: A successive-approximation register analog-to-digital converter (SAR ADC), a correction method and a correction system are provided. The SAR ADC generates an original weight value sequence according to multiple original weight values. The SAR ADC converts an analog time-varying signal to establish a transforming curve corresponding to the original weight values. In addition, the SAR ADC generates an offset value sequence according to an offset of the transforming curve, uses the offset value sequence to correct the original weight value sequence to generate a corrected weight value sequence, and uses multiple corrected weight values of the corrected weight sequence to improve linearity of the transforming curve.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: May 23, 2023
    Assignee: Chung Yuan Christian University
    Inventors: Shih-Lun Chen, Chun Kuan Wu, Chun Yu Lin, Wen-Shen Lo
  • Publication number: 20230108759
    Abstract: A successive-approximation register analog-to-digital converter (SAR ADC), a correction method and a correction system are provided. The SAR ADC generates an original weight value sequence according to multiple original weight values. The SAR ADC converts an analog time-varying signal to establish a transforming curve corresponding to the original weight values. In addition, the SAR ADC generates an offset value sequence according to an offset of the transforming curve, uses the offset value sequence to correct the original weight value sequence to generate a corrected weight value sequence, and uses multiple corrected weight values of the corrected weight sequence to improve linearity of the transforming curve.
    Type: Application
    Filed: November 22, 2021
    Publication date: April 6, 2023
    Applicant: Chung Yuan Christian University
    Inventors: Shih-Lun Chen, Chun Kuan Wu, Chun Yu Lin, Wen-Shen Lo
  • Publication number: 20220404195
    Abstract: A system for measuring periodic displacement of an object in periodic motion at a first frequency includes a light source module, a camera module and a processor. The light source module is configured to periodically illuminate the object at a second frequency that is different from the first frequency and that is related to a sum of the first frequency and a first constant. The camera module is configured to take pictures of the object. The processor is in communication with the camera module in order to receive the pictures, and is configured to determine periodic displacement of the object based on the pictures.
    Type: Application
    Filed: June 13, 2022
    Publication date: December 22, 2022
    Applicant: NATIONAL CHUNG-HSING UNIVERSITY
    Inventors: Jenq-Shyong Chen, Chun-Kuan Wu, Chi-Hsiang Lin
  • Patent number: 11256364
    Abstract: This disclosure provides a noise suppression circuit for suppressing a noise in a voltage signal. The noise suppression circuit comprises: a switch unit having a first terminal receiving the voltage signal and a second terminal; a capacitor having a first terminal connected to the first terminal of the switch unit and a second terminal grounded; and an analog front-end unit including an operational amplifier with a signal input terminal and a reference-voltage input terminal electrically connected to the second terminal of the switch unit; wherein the switch unit is controlled by a pulse signal.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: February 22, 2022
    Assignee: SENSORTEK TECHNOLOGY CORP.
    Inventors: Yao-Sheng Hu, Chun-Kuan Wu, Ching-Jen Tung, Hung-Yen Tai
  • Patent number: 11216113
    Abstract: The present invention provides a touch circuit, which comprises a detection circuit and an emulation circuit. The detection circuit detects a detection signal; the emulation circuit includes a reference load and receives a signal. The emulation circuit generates an emulation signal according to the reference load and the signal. The touch circuit outputs a touch signal according to the detection signal and the emulation signal.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: January 4, 2022
    Assignee: Sitronix Technology Corp.
    Inventors: Chi Huan Lu, Chun Kuan Wu, Ching-Jen Tung, Hung-Yen Tai
  • Patent number: 11099684
    Abstract: The present invention relates to a driving circuit, the touch device thereof, the touch module thereof, and the method for manufacturing the same. The present invention comprises a control circuit, a scan circuit, a touch panel, and a detection circuit. The control circuit generates an input signal. The scan circuit comprises a plurality of signal generating circuits, which receive the input signal, generate a plurality of scan signals according to the input signal, and output the plurality of scan signals to the plurality of scan electrodes of the touch panel. The detection circuit detects the touch panel according to the plurality of scan signals and outputs a detection signal to the control circuit to let the control circuit know at least a touch point of the touch panel being touched.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: August 24, 2021
    Assignee: Sitronix Technology Corp.
    Inventors: Chun-Kuan Wu, Tsun-Sen Lin
  • Publication number: 20190102040
    Abstract: The present invention provides a touch circuit, which comprises a detection circuit and an emulation circuit. The detection circuit detects a detection signal; the emulation circuit includes a reference load and receives a signal. The emulation circuit generates an emulation signal according to the reference load and the signal. The touch circuit outputs a touch signal according to the detection signal and the emulation signal.
    Type: Application
    Filed: October 2, 2018
    Publication date: April 4, 2019
    Inventors: CHI HUAN LU, CHUN KUAN WU, CHING-JEN TUNG, HUNG-YEN TAI
  • Publication number: 20190042055
    Abstract: The present invention provides a touch display driving circuit, which comprises a source driving circuit and a touch detection circuit. The source driving circuit is coupled to a plurality of source lines of a touch display panel. The touch display driving circuit outputs a touch driving signal to one of the plurality of source lines during a touch detection cycle. The touch detection circuit receives a plurality of touch sensing signals via the corresponding common electrode of the source line. The plurality of touch sensing signals are then generated according to the touch driving signal.
    Type: Application
    Filed: August 7, 2018
    Publication date: February 7, 2019
    Inventors: YAO-SHENG HU, CHING-JEN TUNG, CHUN-KUAN WU
  • Publication number: 20180299981
    Abstract: The present invention provides a touch module, which comprises a touch panel, an analog front end circuit, and a microcontroller circuit. The touch panel generates a plurality of sensing signals. The analog front end circuit is coupled to the touch panel, generates a state signal, and generates a plurality of touch detecting signals according to the plurality of sensing signals. The microcontroller circuit is coupled to the analog front end circuit, generates one or more touch location signal according to the plurality of touch detecting signals, and enters the next switching state according to the state signal when the switching state is changed.
    Type: Application
    Filed: April 17, 2018
    Publication date: October 18, 2018
    Inventors: WANG-AN LIN, CHUN-KUAN WU, CHEN-YUAN YANG, TSUNG-HAN TSAI
  • Patent number: 9864467
    Abstract: A calibration method for a capacitive sensing device is disclosed. The capacitive sensing device is capable of operating in a self-sensing mode or a mutual-sensing mode. The calibration method includes detecting a capacitance change of a panel in the self-sensing mode to generate a self-sensing output signal, detecting a capacitance change of the panel in the mutual-sensing mode to generate a mutual-sensing output signal, calculating a self-sensing difference between the self-sensing output signal and a self-sensing static parameter, and calibrating the mutual-sensing output signal according to the mutual-sensing output signal and the self-sensing difference.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: January 9, 2018
    Assignee: Sitronix Technology Corp.
    Inventors: Hung-Yen Tai, Chun-Kuan Wu, Ching-Jen Tung, Chen-Yuan Yang
  • Publication number: 20170285862
    Abstract: This disclosure provides a noise suppression circuit for suppressing a noise in a voltage signal. The noise suppression circuit comprises: a switch unit having a first terminal receiving the voltage signal and a second terminal; a capacitor having a first terminal connected to the first terminal of the switch unit and a second terminal grounded; and an analog front-end unit including an operational amplifier with a signal input terminal and a reference-voltage input terminal electrically connected to the second terminal of the switch unit; wherein the switch unit is controlled by a pulse signal.
    Type: Application
    Filed: June 6, 2016
    Publication date: October 5, 2017
    Inventors: YAO-SHENG HU, Chun-Kuan Wu, Ching-Jen Tung, Hung-Yen Tai
  • Patent number: 9746962
    Abstract: A frequency selecting module for a touch system includes a storage unit, for storing a sum of at least one of a plurality of sensing signals of a plurality sensing channels in the touch system; a spectrum calculating unit, for transforming the sum of the at least one of the plurality of sensing signals stored in the storage unit to generate a spectrum data and storing the spectrum data to the storage unit; and a selecting unit, for generating an adjusting signal according to the spectrum data to select one of a plurality of operation frequencies as a working frequency of the plurality of sensing signals.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: August 29, 2017
    Assignee: Sitronix Technology Corp.
    Inventors: Chun-Kuan Wu, Chen-Yuan Yang, Ching-Jen Tung, Chun-Yu Lin, Wang-An Lin
  • Publication number: 20170038868
    Abstract: A touch detection method for a capacitive sensing device is disclosed. The capacitive sensing device is utilized for detecting capacitance variance of a panel, and a variable capacitor includes a first end electrically coupled to the panel. The touch detection method includes simultaneously providing a first clock signal to a second end of the variable capacitor and providing a second clock signal to the panel; determining a touched region of the panel according to a voltage variance of the first end of the variable capacitor; and generating an output signal utilized for indicating the touched region. Notably, the first clock signal and the second clock signal have opposite phases against each other.
    Type: Application
    Filed: April 6, 2016
    Publication date: February 9, 2017
    Inventors: Hung-Yen Tai, Chun-Kuan Wu, Ching-Jen Tung
  • Publication number: 20170024071
    Abstract: A calibration method for a capacitive sensing device is disclosed. The capacitive sensing device is capable of operating in a self-sensing mode or a mutual-sensing mode. The calibration method includes detecting a capacitance change of a panel in the self-sensing mode to generate a self-sensing output signal, detecting a capacitance change of the panel in the mutual-sensing mode to generate a mutual-sensing output signal, calculating a self-sensing difference between the self-sensing output signal and a self-sensing static parameter, and calibrating the mutual-sensing output signal according to the mutual-sensing output signal and the self-sensing difference.
    Type: Application
    Filed: February 26, 2016
    Publication date: January 26, 2017
    Inventors: Hung-Yen Tai, Chun-Kuan Wu, Ching-Jen Tung, Chen-Yuan Yang