Patents by Inventor Chih-Shiun Lu

Chih-Shiun Lu 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: 20210304964
    Abstract: A capacitor includes a solid conductive plate, a first electrode, and a second electrode. The solid conductive plate is disposed above a substrate of a wafer. The solid conductive plate serves as a bottom plate of the capacitor. The first electrode is disposed above the solid conductive plate so that the solid conductive plate is located between the substrate and the first electrode. This first electrode serves as a top plate of the capacitor. The second electrode is disposed above the solid conductive plate, and is disposed beside the first electrode. The second electrode is electrically connected to the solid conductive plate.
    Type: Application
    Filed: July 29, 2020
    Publication date: September 30, 2021
    Applicant: Faraday Technology Corp.
    Inventors: Chia-Hui Tien, Tung-Tse Lin, Chih-Yuan Hung, Chih-Shiun Lu
  • Patent number: 9588189
    Abstract: A system of detecting magnetic field comprises a magnetic impedance element surrounded by a detection coil, a stimulus unit that generates pulse signal of programmable rise/fall time to drive the magnetic impedance element, and a signal detection module that detects signal on the detection coil, wherein the signal detection module includes a buffer unit having adjustable bandwidth for shaping output signal of the detection coil, a signal amplify unit that includes a sample and hold circuit and a chopping programmable gain amplifier to amplify buffered signal from the buffer unit, a signal processing unit that processes amplified signal from the signal amplify unit by applying a selectable algorithm to output detection result, and a control unit that connects the signal processing unit to generate control parameters of the stimulus unit, the buffer unit, the signal amplify unit, and the signal processing unit.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: March 7, 2017
    Assignee: PROLIFIC TECHNOLOGY INC.
    Inventor: Chih-Shiun Lu
  • Publication number: 20150212164
    Abstract: According to one exemplary embodiment, a system of detecting magnetic field comprises a magnetic impedance element surrounded by a detection coil, a stimulus unit generates pulse signal of programmable rise/fall time to drive the magnetic impedance element, and a signal detection module detects signal on the detection coil, wherein the signal detection module includes a buffer unit having adjustable bandwidth shapes output signal of the detection coil, a signal amplify unit includes a sample and hold circuit and a chopping programmable gain amplifier to amplify buffered signal from the buffer unit, a signal processing unit processes amplified signal from the signal amplify unit by applying selectable algorithm to output detection result, and a control unit connects the signal processing unit to generate control parameters of the stimulus unit, the buffer unit, the signal amplify unit, and the signal processing unit.
    Type: Application
    Filed: January 29, 2014
    Publication date: July 30, 2015
    Applicant: PROLIFIC TECHNOLOGY INC.
    Inventor: Chih-Shiun Lu
  • Publication number: 20140049248
    Abstract: A spark detection device includes a sensing element and a comparing element. The sensing element is for sensing a spark signal to generate a sensing signal. A first end of the comparing element is coupled to the sensing element, and a second end of the comparing element is for receiving a threshold signal. The comparing element is for generating an output signal at an output end of the comparing element by performing a comparing operation according to the sensing signal and the threshold signal.
    Type: Application
    Filed: June 5, 2013
    Publication date: February 20, 2014
    Inventors: Chih-Shiun Lu, Chia-Chang Hsu, Ching-Tan Lin
  • Patent number: 7817075
    Abstract: An apparatus for converting MEMS inductive capacitance to digital is provided, for converting the induced analog voltage of MEMS element into digital signal. The apparatus includes an ADC, a reference voltage circuit and a controller. With the integral circuit and the comparator of the ADC and the reference voltages generated by the reference voltage circuit, the apparatus of the present invention uses the switch signals generated by the controller to generate digital signals. The present invention can also be integrated with MEMS element into a single chip to achieve single-chip MEMS.
    Type: Grant
    Filed: February 3, 2009
    Date of Patent: October 19, 2010
    Assignee: WindTop Technology Corp.
    Inventor: Chih-Shiun Lu
  • Publication number: 20100231429
    Abstract: A direct capacitance-to-digital converter is provided, including a plurality of switches, an ADC, a reference voltage circuit and a trigger unit. By using trigger unit to control a plurality of switches, and combining the reference voltages outputted by the reference voltage circuit, the converter can directly sense the external to-be-measured capacitor and related stray capacitor, and directly convert the capacitance of the to-be-measured capacitor into accurate digital signal. The present invention can be integrated with other sensors into a single chip to form an integrated direct capacitance-to-digital converter.
    Type: Application
    Filed: March 11, 2009
    Publication date: September 16, 2010
    Inventor: Chih-Shiun Lu
  • Patent number: 7782243
    Abstract: A direct capacitance-to-digital converter is provided, including a plurality of switches, an ADC, a reference voltage circuit and a trigger unit. By using trigger unit to control a plurality of switches, and combining the reference voltages outputted by the reference voltage circuit, the converter can directly sense the external to-be-measured capacitor and related stray capacitor, and directly convert the capacitance of the to-be-measured capacitor into accurate digital signal. The present invention can be integrated with other sensors into a single chip to form an integrated direct capacitance-to-digital converter.
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: August 24, 2010
    Assignee: WindTop Technology Corp.
    Inventor: Chih-Shiun Lu
  • Publication number: 20100194615
    Abstract: An apparatus for converting MEMS inductive capacitance to digital is provided, for converting the induced analog voltage of MEMS element into digital signal. The apparatus includes an ADC, a reference voltage circuit and a controller. With the integral circuit and the comparator of the ADC and the reference voltages generated by the reference voltage circuit, the apparatus of the present invention uses the switch signals generated by the controller to generate digital signals. The present invention can also be integrated with MEMS element into a single chip to achieve single-chip MEMS.
    Type: Application
    Filed: February 3, 2009
    Publication date: August 5, 2010
    Inventor: Chih-Shiun Lu
  • Patent number: 7471339
    Abstract: A high-speed video signal processing system, which includes a reception end for receiving analog signals; a plurality of analog to digital converters coupled to the reception end for converting analog signals received from the reception end to digital signals according to control signals; and an interleaving controller coupled to the plurality of analog to digital converters for generating the control signals to selectively enable the plurality of analog to digital converters according to a predetermined sequence.
    Type: Grant
    Filed: May 24, 2005
    Date of Patent: December 30, 2008
    Assignee: MStar Semiconductor, Inc.
    Inventors: Sterling Smith, Chia-Ming Yang, Chih-Shiun Lu
  • Patent number: 7408592
    Abstract: The present invention discloses a method and a device for dynamically adjusting a sync-on-green (SOG) signal of a video signal, capable of extracting an SOG signal from an analog video signal so as to dynamically adjust the SOG signal in real-time so as to overcome the problems due to voltage shift or noise.
    Type: Grant
    Filed: June 1, 2005
    Date of Patent: August 5, 2008
    Assignee: MSTAR Semiconductor, Inc.
    Inventor: Chih-Shiun Lu
  • Patent number: 7253756
    Abstract: A method and a device for dynamically accelerating an analog-to-digital converter (ADC) are provided. The device for dynamically accelerating ADC is capable of detecting the sampling frequency and controlling the maximum conversion rate by boosting the current into the ADC such that the maximum conversion rate of the ADC is larger than or equal to the sampling frequency. The efficiency of the ADC is optimized.
    Type: Grant
    Filed: January 11, 2006
    Date of Patent: August 7, 2007
    Assignee: Mstar Semiconductor, Inc.
    Inventor: Chih-Shiun Lu
  • Publication number: 20060261995
    Abstract: A method and a device for dynamically accelerating an analog-to-digital converter (ADC) are provided. The device for dynamically accelerating ADC is capable of detecting the sampling frequency and controlling the maximum conversion rate by boosting the current into the ADC such that the maximum conversion rate of the ADC is larger than or equal to the sampling frequency. The efficiency of the ADC is optimized.
    Type: Application
    Filed: January 11, 2006
    Publication date: November 23, 2006
    Inventor: Chih-Shiun Lu
  • Publication number: 20050270212
    Abstract: A high-speed video signal processing system, which includes a reception end for receiving analog signals; a plurality of analog to digital converters coupled to the reception end for converting analog signals received from the reception end to digital signals according to control signals; and an interleaving controller coupled to the plurality of analog to digital converters for generating the control signals to selectively enable the plurality of analog to digital converters according to a predetermined sequence.
    Type: Application
    Filed: May 24, 2005
    Publication date: December 8, 2005
    Inventors: Sterling Smith, Chia-Ming Yang, Chih-Shiun Lu
  • Publication number: 20050270421
    Abstract: The present invention discloses a method and a device for dynamically adjusting a sync-on-green (SOG) signal of a video signal, capable of extracting an SOG signal from an analog video signal so as to dynamically adjust the SOG signal in real-time so as to overcome the problems due to voltage shift or noise.
    Type: Application
    Filed: June 1, 2005
    Publication date: December 8, 2005
    Inventor: Chih-Shiun Lu