Patents by Inventor Wen Chi

Wen Chi 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).

  • Patent number: 10570008
    Abstract: A sensing device includes a micro-electromechanical sensor, a source follower and an amplifier. The source follower includes a first output module including a first transistor and a second transistor. The micro-electromechanical sensor is configured to generate an input signal. A first terminal of the first transistor is configured to receive a first reference voltage. A second terminal and a control of the first transistor are electrically connected to the first output terminal and to a first current source respectively. A first terminal and a second terminal of the second transistor are electrically connected to the second terminal and the control terminal of the first transistor respectively. A control terminal of the second transistor is configured to receive the input signal. A first input terminal and a second input terminal of the amplifier are electrically connected to a first output terminal configured to receive a common-mode voltage respectively.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: February 25, 2020
    Assignee: SILICON INTEGRATED SYSTEMS CORP.
    Inventors: Ssu-Che Yang, Wen-Chi Lin, Keng-Nan Chen
  • Patent number: 10570629
    Abstract: An edge finishing structure includes a spring plate base and an edge trimmer strip. The spring plate base includes a hook-up seat, an intermediate plate extending from a lower end of the hook-up seat, and a stop plate connected to the intermediate plate. The spring plate base is also provided with at least one coupling unit. The edge trimmer strip has a bottom portion mounted on the hook-up seat and the intermediate plate. The bottom portion is formed with a positioning groove corresponding to the hook-up seat. As such, the spring plate base and the edge trimmer strip can be mounted to an external circumference of board member. Various advantages can be achieved, including easily mounting of the edge trimmer strip, causing no deterioration to an outside appearance of the edge trimmer strip, and enhancing flexibility of variation of stylish shaping on a top portion of the edge trimmer strip.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: February 25, 2020
    Assignees: SHAN YEUN CO., LTD., 2145677 ALBERTA LTD.
    Inventor: Wen-Chi Chen
  • Publication number: 20200052709
    Abstract: The present application provides a vector quantization digital-to-analog conversion circuit, for converting a digital signal to an analog signal, characterized by comprises a vector quantization circuit, configured to receive the digital signal and generate a vector quantization signal; a data weighted averaging circuit, coupled to the vector quantization circuit, comprising a plurality of data weighted averaging sub-circuits, configured to receive the vector quantization signal to generate a plurality of data weighted averaging signals; and a digital-to-analog conversion circuit, coupled to the data weighted averaging circuit, comprising a plurality of digital-to-analog conversion sub-circuits, configured to receive the data weighted averaging signal to generate the analog signal.
    Type: Application
    Filed: October 21, 2019
    Publication date: February 13, 2020
    Inventor: Wen-Chi Wang
  • Publication number: 20200052655
    Abstract: An operational amplifier includes: a first amplifier stage, configured to generate first output voltages according to first input voltages; a second amplifier stage, configured to generate second output voltages according to the first output voltages; a second output stage circuit, configured to replicate an equivalent or a scaled-down version of the first output stage circuit; a first common-mode feedback circuit, configured to keep an output common-mode voltage of the second output stage circuit at a predetermined value; a logic loop circuit configured to, when the operational amplifier operates in a direct current calibration phase, adjust a difference between the first output voltages; a bias circuit, configured to generate a voltage close to a common mode voltage of the first output voltages produced after the operational amplifier is turned on, the voltage serving as a reference voltage of a second common-mode feedback circuit.
    Type: Application
    Filed: October 21, 2019
    Publication date: February 13, 2020
    Inventors: WEN-CHI WANG, SI HERNG NG
  • Patent number: 10561005
    Abstract: A light emitting diode lamp string system with a sequencing function includes a light emitting diode driving apparatus and a light emitting diode lamp string. In a predetermined sequence testing mode, the light emitting diode driving apparatus sequentially sends a plurality of predetermined sequence testing signals to the light emitting diode lamp string to find out the damaged light emitting diode lamp. In an extended sequence testing mode, the light emitting diode driving apparatus respectively sends a plurality of extended sequence testing signals to the light emitting diode lamp string to find out the new light emitting diode lamp. A sequencing method performs a predetermined sequence testing mode to detect a failure address code, and performs an extended sequence testing mode to detect a replacement address code, and replaces the failure address code with the replacement address code in a testing sequence.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: February 11, 2020
    Assignee: SEMISILICON TECHNOLOGY CORP.
    Inventor: Wen-Chi Peng
  • Patent number: 10552521
    Abstract: Generating reports. Identifying user webpage interaction information and source webpage content. Determining a portion of the source code that corresponds to the user webpage interaction information. Determining interactions of the one or more interactions associated with each of a plurality of users. Determining a click path associated with each user. Determining a similarity score between a first and a second source webpage. Determining the similarity score exceeds a threshold value. Combining a portion of each click path associated with the first source webpage with a portion of each click path associated with the second source webpage. Merging a first portion of source code associated with the first source webpage with a second portion of source code associated with the second source webpage. Creating a three-dimensional representation that includes the combined portion of each click path associated with the first and the second webpage and the merged source code.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: February 4, 2020
    Assignee: International Business Machines Corporation
    Inventors: Jian Wen Chi, Wei Huang, Yang Liu, Xiang Zhou
  • Publication number: 20200028533
    Abstract: Systems and methods are provided for receiver nonlinearity estimation and cancellation. Narrowband (NB) estimation may be performed in a receiver during handling of received radio frequency (RF) signals. The narrowband (NB) may include generating estimation channelization information relating to received RF signals; generating reference nonlinearity information relating to one or more other signals, which may cause or contribute to nonlinearity that affects the processing of the received RF signals; and generating, based on the estimation channelization information relating to the received RF signals and the reference nonlinearity information relating to the other signals, control data for configuring nonlinearity cancellation functions. The received RF signals may be channelized, and the estimation channelization information may be generated based on the channelization of the received RF signals.
    Type: Application
    Filed: October 1, 2019
    Publication date: January 23, 2020
    Inventors: Wen-Chi Tu, Stephane Laurent-Michel
  • Publication number: 20200023174
    Abstract: A micro-needle device is applicable for a target tissue with a first area having a first parameter and a second area having a second parameter. The micro-needle device includes a substrate and a micro-needle array connected to the substrate. The micro-needle array includes a first micro-needle corresponding to the first area and a second micro-needle corresponding to the second area. One of the surfaces of the substrate having the micro-needle array corresponds to the surface curvature of the target tissue. The first micro-needle has a first configuration corresponding to the first parameter, and the second micro-needle has a second configuration corresponding to the second parameter and different from the first configuration. The configuration includes at least one selected from a group consisting of length, distribution density, diameter, and medicine-carrying amount of micro-needle. A method for manufacturing a micro-needle device and a method for manufacturing a micro-needle mold are also provided.
    Type: Application
    Filed: October 4, 2018
    Publication date: January 23, 2020
    Applicant: Tamkang University
    Inventors: Ming-Kai Chern, Man Piu Chan, Wen-Chi Chou, Sey-En Lin, Hun-Boa Wang, Bo-Cheng Wang
  • Publication number: 20200002854
    Abstract: A manufacturing method of a recycling nylon fiber includes steps as follows. A nylon fiber waste is provided, wherein the nylon fiber waste is an oiled nylon 6 fiber waste or an oiled nylon 66 fiber waste. A cutting step is performed, wherein a plurality of nylon fiber debris are formed. A washing step is performed, wherein an oil content of the nylon fiber debris is reduced to less than 0.22 wt %. A dehydrating and squeezing step is performed, wherein a plurality of nylon films are formed. A melting and granulating step is performed, wherein a plurality of recycling nylon particles are formed. A melting and spinning step is performed, wherein the recycling nylon fiber is obtained.
    Type: Application
    Filed: June 5, 2019
    Publication date: January 2, 2020
    Inventors: Kuan-Jung HUANG, Po-Wen CHI, Chun-Hung LIAO, Wen-Yi KE
  • Patent number: 10520932
    Abstract: A transport system is provided. The transport system includes a stocker configured to store an assigned wafer carrier and having a gate port. The transport system also includes a semiconductor apparatus configured to transmit a request signal comprising a processed time according to a processing wafer carrier loaded on the semiconductor apparatus. The transport system further includes a vehicle configured to transport the assigned wafer carrier from the gate port to the semiconductor apparatus and a control system configured to control the vehicle. When the control system receives the request signal, the control system controls the stocker to transport the assigned wafer carrier inside of the stocker to the gate port at a start time, which is earlier than the processed time, and the control system controls the vehicle to transport the assigned wafer carrier from the gate port to the semiconductor apparatus.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: December 31, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD
    Inventors: Wei-Pin Huang, Wen-Chi Chien, Yuh-Dean Tsai, Bing-Yuan Cheng
  • Publication number: 20190377402
    Abstract: A method for performing power saving control in memory device, the associated memory device and memory controller thereof, and the associated electronic device are provided, where the method is applicable to the memory controller, and the memory device includes the memory controller and a non-volatile (NV) memory. The method may include: during transmitting to a host device, sending end of burst (EOB)-related symbols to the host device, in order to notify the host device of EOB; controlling a physical layer (PHY) circuit to turn off a clock source within the PHY circuit, in order to save power, wherein the PHY circuit is positioned in a transmission interface circuit within the memory controller, and the transmission interface circuit is arranged to perform communications with the host device for the memory device; and when receiving a trigger signal from the host device, utilizing the PHY circuit to turn on the clock source.
    Type: Application
    Filed: February 12, 2019
    Publication date: December 12, 2019
    Inventors: Wen-Chi Chao, Kuo-Cyuan Kuo
  • Publication number: 20190373696
    Abstract: A pixel-controlled LED light includes a plurality of LED modules and a controller. Each LED module includes at least one LED and a LED drive apparatus. The LED drive apparatus burns a counting ordinal number according to connection sequence thereof. The controller defines the counting ordinal number of the LED modules which need to be changed their light modes as a target value, and sequentially transmits light mode data whose number is greater than or equal to the target value to each of the LED modules. The LED drive apparatuses sequentially receive the light mode data for counting. If the sequence of the light mode data meets to the counting ordinal number of the LED drive apparatus, the LED drive apparatuses identify the light mode data that are met, and after identifying the light mode data, the LED drive apparatuses control the corresponding at least one LED.
    Type: Application
    Filed: August 19, 2019
    Publication date: December 5, 2019
    Inventor: Wen-Chi PENG
  • Patent number: 10494820
    Abstract: A connector is provided for jointing two boards to have the boards mounted to and lapping over a beam. The connector has one side that is formed with an engagement slot for jointing one board and an opposite side formed with a mortise trough for jointing another board. The connector also includes a path-following hole penetrating therethrough in an up-down direction and a track channel formed in a bottom of the connector and having an opening facing downward. The engagement slot and the mortise trough have axial directions that are perpendicular to an axial direction of the track channel. The path-following hole has a bottom opening located in the center of the track channel. The connector is adjustable of the position thereof through sliding along the beam by means of the track channel for limited axial movement.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: December 3, 2019
    Assignees: SHAN YEUN CO., LTD., 2145677 ALBERTA LTD.
    Inventor: Wen-Chi Chen
  • Patent number: 10491229
    Abstract: The application provides a vector quantization digital-to-analog conversion circuit, applied to an oversampling converter, characterized that the vector quantization digital-to-analog conversion circuit includes a vector quantization circuit, configured to generate a vector quantization signal, a data weighted averaging circuit, coupled to the vector quantization circuit, including a plurality of data weighted averaging sub-circuits, configured to receive the vector quantization signal to generate a plurality of data weighted averaging signals; and a digital-to-analog conversion circuit, coupled to the data weighted averaging circuit, including a plurality of digital-to-analog conversion sub-circuits, configured to receive the data weighted averaging signal to generate the analog signal.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: November 26, 2019
    Assignee: Shenzhen Goodix Technology Co., Ltd.
    Inventor: Wen-Chi Wang
  • Publication number: 20190356272
    Abstract: A configurable amplifier module is disclosed. The configurable amplifier module includes a first amplifier having a non-inverting input, an inverting input, and a first output; a second amplifier having a non-inverting input, an inverting input, and a second output; a first resistor; a second resistor; a third resistor; a detecting unit connected to the second output of the second amplifier and configured to detect whether a current flows through the detecting unit; and a control unit connected to the second resistor and the detecting unit and configured to control the second resistor to be connected to the third resistor or a direct current signal.
    Type: Application
    Filed: May 19, 2019
    Publication date: November 21, 2019
    Inventors: Ssu-Che YANG, Wen-Chi LIN, Keng-Nan CHEN
  • Patent number: 10462866
    Abstract: A light emitting diode lamp receiving a contactless burning signal includes at least a light emitting diode and a light emitting diode driving apparatus. The light emitting diode driving apparatus includes a burning signal detector, an address burning controller, an address memory and a light emitting diode driving circuit. The burning signal detector wirelessly receives a wireless address signal from outside. The burning signal detector converts the wireless address signal into a local address signal. The burning signal detector transmits the local address signal to the address burning controller. The address burning controller burns the local address signal into the address memory, so that the address memory stores a local address data.
    Type: Grant
    Filed: December 31, 2018
    Date of Patent: October 29, 2019
    Assignee: SEMISILICON TECHNOLOGY CORP.
    Inventor: Wen-Chi Peng
  • Publication number: 20190326868
    Abstract: An analog microphone and a control method thereof are disclosed. The analog microphone includes a sensor configured to sense an audio signal and convert the audio signal into an electrical signal; a charge pump configured to provide a bias voltage for the sensor to drive the sensor; a source follower configured to receive the electrical signal and convert the electrical signal into a source follower signal; a gain adjustable amplifier configured to receive the source follower signal, multiply the source follower signal by an amplifying factor, and output an amplified signal; and a detecting module configured to adaptively control the bias voltage of the charge pump and the amplified signal of the gain adjustable amplifier in response to the source follower signal of the source follower.
    Type: Application
    Filed: April 24, 2019
    Publication date: October 24, 2019
    Inventors: Wen-Chi LIN, Ssu-Che YANG, Keng-Nan CHEN
  • Publication number: 20190319533
    Abstract: The application provides a charge pump circuit, including a switch module, including a plurality of switches and a soft ramp-up switch, configured to generate a first output voltage and a second output voltage according to an input voltage; and a digital control circuit, coupled to the switch module, configured to receive a up digital signal and a down digital signal, and adjust the first output voltage to a voltage level of the input voltage and adjust the second output voltage to a ground voltage level according to the up digital signal and the down digital signal. The charge pump circuit of application has advantages of minimizing inrush currents to avoid circumstances of distortions caused by the pop noises or clipping and optimizing the efficiency of the amplifier.
    Type: Application
    Filed: June 25, 2019
    Publication date: October 17, 2019
    Inventors: Wen-Chi Wang, Si Herng Ng
  • Patent number: 10433383
    Abstract: A light emitting diode driving apparatus includes a control unit, a switch control circuit, a signal switch unit and a control power unit. The control power unit, the signal switch unit and a plurality of light emitting diode units are connected in series. The control power unit supplies power to the control unit. The control unit controls the switch control circuit to turn on the signal switch unit, so that a direct current power is through the signal switch unit to form a high-level part of a lighting signal for driving the light emitting diode units. The control unit controls the switch control circuit to turn off the signal switch unit, so that a low-level part of the lighting signal is formed.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: October 1, 2019
    Assignee: Semisilicon Technology Corp.
    Inventor: Wen-Chi Peng
  • Patent number: 10432243
    Abstract: Systems and methods are provided for receiver nonlinearity estimation and cancellation. Narrowband (NB) estimation may be performed in a receiver during handling of received radio frequency (RF) signals. The narrowband (NB) may include generating estimation channelization information relating to received RF signals; generating reference nonlinearity information relating to one or more other signals, which may cause or contribute to nonlinearity that affects the processing of the received RF signals; and generating, based on the estimation channelization information relating to the received RF signals and the reference nonlinearity information relating to the other signals, control data for configuring nonlinearity cancellation functions. The received RF signals may be channelized, and the estimation channelization information may be generated based on the channelization of the received RF signals.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: October 1, 2019
    Assignee: MAXLINEAR, INC.
    Inventors: Wen-Chi Tu, Stephane Laurent-Michel