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).

  • Publication number: 20230075212
    Abstract: Provided is a grease injection system including a plurality of grease injection devices and a host. The grease injection devices uses control information to output lubricating grease, and output a plurality of pieces of status information. The host receives the pieces of status information from the grease injection devices, and generates the control information based on the pieces of status information.
    Type: Application
    Filed: September 1, 2022
    Publication date: March 9, 2023
    Applicant: DORCAS SHIN CO., LTD
    Inventors: Ming-Tan Hsu, Xin-Xin Lin, Li-Hsiang Sun, Wen-Chi Hsieh
  • Publication number: 20230054927
    Abstract: The invention relates to an adaptive active noise cancellation apparatus and an audio playback system using the same. The adaptive active noise cancellation apparatus shapes an error signal and a noise signal according to a shape of an ideal noise. After that, the shaped noise signal and the shaped error signal are sent into a parameter adjusting unit to perform an adaptive parameter adjustment. Thus, the adaptive noise filter unit is not only can adaptively suppress noise and minimize the error signal, but also can suppress specific frequencies that are sensitive to the human ear.
    Type: Application
    Filed: March 8, 2022
    Publication date: February 23, 2023
    Applicant: Airoha Technology Corp.
    Inventors: Chao-Ling HSU, Li-Wen CHI
  • Patent number: 11578844
    Abstract: A light-emitting diode (LED) light string control system with carrier identification function includes a control module, a power capacitor, and an LED light string. The control module converts a DC voltage to carry signals on the DC voltage through a power switch according to a lighting command. The power capacitor performs a capacitive charge-discharge operation to the signals on the DC voltage to generate capacitive charge-discharge signals. The LED light string includes at least one LED module, and the at least one LED module identifies that a charge-discharge characteristic is a first logic, a second logic, or a latch indication, and to generate a drive command corresponding to the signals on the DC voltage according to one of the first logic, the second logic, and the latch identification to control lighting behavior of the LED light string.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: February 14, 2023
    Assignee: SEMISILICON TECHNOLOGY CORP.
    Inventor: Wen-Chi Peng
  • Patent number: 11575357
    Abstract: The present application discloses an amplifier circuit, a chip and an electronic device, which generates a positive output signal and a negative output signal according to a positive input signal and a negative input signal, wherein the positive input signal and the negative input signal have a corresponding input differential-mode voltage and input common-mode voltage, and the positive output signal and the negative output signal have a corresponding output differential-mode voltage and output common-mode voltage, and the amplifier circuit includes: an amplifying unit, configured to receive the positive input signal and the negative input signal and generate the positive output signal and the negative output signal; and an attenuation unit, including: a positive common-mode capacitor and a negative common-mode capacitor, configured to attenuate the input common-mode voltage below a first specific frequency.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: February 7, 2023
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventor: Wen-Chi Wang
  • Patent number: 11567594
    Abstract: A touch screen protective film structure with a penetrating-transmitting signal function includes a touch screen protective film and at least one signal transmission path. The at least one signal transmission path is embedded in the touch screen protective film partially or completely. The at least one signal transmission path includes a first end and a second end. The second end faces a specific touch area of a touch screen of an electronic apparatus. The first end receives a touch signal and transmits the touch signal to the second end. The specific touch area senses the touch signal to operate the electronic apparatus based on the touch signal. The second end defines at least one gap. The specific touch area penetrates the at least one gap defined by the second end to be touched for operating the electronic apparatus.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: January 31, 2023
    Inventor: Wen-Chi Hsu
  • Patent number: 11570866
    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 an ordinal number according to connection sequence thereof. The controller defines the ordinal number of the LED module as a target number, and sequentially transmits a plurality of light data whose number is greater than or equal to the target number to each of the LED modules. Each of the LED drive apparatuses sequentially receives each of the light data and counts sequence of the light data. If the sequence of the light data is equal to the ordinal number of the LED drive apparatus, the LED drive apparatuses identify the light data, and after identifying the light data, the LED drive apparatuses control the corresponding at least one LED.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: January 31, 2023
    Assignee: SEMISILICON TECHNOLOGY CORP.
    Inventor: Wen-Chi Peng
  • Publication number: 20230007750
    Abstract: A parallel sequenced LED light string includes a plurality of LED modules. The LED modules are connected in parallel through a power wire with a plurality of wire resistances. Each of the LED modules includes an impedance component capable of providing an impedance characteristic. The parallel-connected LED modules receive a supply power, and the LED modules respectively get different voltages through the wire resistances and the impedance components from the supply power so as to sequencing the LED modules.
    Type: Application
    Filed: July 2, 2021
    Publication date: January 5, 2023
    Inventor: Wen-Chi PENG
  • Patent number: 11546981
    Abstract: A method of automatically sequencing an LED light string. The LED light string includes a plurality of LED modules. The method includes steps of: (a) building a start reference time before the LED modules start to operate, (b) generating a plurality of time difference values from the start reference time when a working voltage of each of the LED modules rises to an identification voltage after the LED modules operate, (c) determining the sequence of the LED modules according to the time difference values to achieve an automatic sequencing function.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: January 3, 2023
    Assignee: SEMISILICON TECHNOLOGY CORP.
    Inventor: Wen-Chi Peng
  • Patent number: 11537349
    Abstract: The disclosure provides a light cabinet, including multiple light boards and multiple light-board controllers. The light boards form a first light-board array of the light cabinet. The light-board controllers are arranged one-to-one on the light boards. The light-board controllers of the light boards in a first column of the first light-board array are connected in series to form a first controller string. The output terminal of the first controller string is connected electrically to an input terminal of a second controller string in a corresponding column of a second light-board array of another light cabinet. The input terminal of the first controller string is connected electrically to a first output terminal of a video data splitter (or an output terminal of a third controller string in a corresponding column of a third light-board array of yet another light cabinet).
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: December 27, 2022
    Assignee: Novatek Microelectronics Corp.
    Inventors: Wen-Chi Lin, Yuan-Yung Liao, Chung-Wen Wu, Chi-Han Lee, Jiun-Yi Lin, Po-Jui Huang, Chung-Wen Hung
  • Patent number: 11522545
    Abstract: A level shifter circuit for translating input signal to output signal is disclosed. The level shifter includes an input stage and a latch stage. The latch stage comprises at least a transistor characterized in a substantially matched transconductance with the input stage for preventing a discrete realization of a voltage clamp circuit. The transistor is a semiconductor device including a source region having a source doping region and a drain region having a first doping region and a second doping region. The first doping region is doped with a first conductivity impurity. The second doping region is disposed around the first doping region so as to surround the first doping region, and is doped with a second conductivity impurity. The second doping region has a higher on-resistance than the first doping region, thereby a high resistive series path is created by the second doping region to mimic an embedded resistor.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: December 6, 2022
    Assignee: Solomon Systech (Shenzhen) Limited
    Inventors: Pak-Kong Dunn, Wen-Chi Wu, Po Yen Lin, Hai Bin You
  • Patent number: 11508331
    Abstract: The disclosure provides an image uniformity compensation device. The image uniformity compensation device includes a local pre-compensation circuit, a chromaticity uniformity compensation circuit, a local post-compensation circuit, and a luminance uniformity correction circuit. A local pre-conversion performed by the local pre-compensation circuit includes the following. An image frame is divided into multiple regions, and each of the regions is converted from an optical non-linear domain to an optical linear domain to generate a corresponding region in multiple regions of a converted frame. A local post-conversion performed by the local post-compensation circuit includes the following. An image frame is divided into multiple regions, and each of the regions is converted from the optical linear domain to the optical non-linear domain to generate a corresponding region in multiple regions of a converted frame.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: November 22, 2022
    Assignee: Novatek Microelectronics Corp.
    Inventors: Wen-Chi Lin, Chin-Chu Wu, Chung-Wen Hung
  • Publication number: 20220361366
    Abstract: An immersion cooling equipment includes an immersion cooling device, a heating component and a cooling liquid. The immersion cooling device includes a tank providing cooling by immersion and a liquid supply equipment. The tank providing cooling by immersion communicates with the liquid supply equipment and accommodates the heating component and the cooling liquid. The tank providing cooling by immersion includes a mounting bracket, a cooling box, and a sealing plate. The cooling box is positioned in the mounting bracket, the cooling box comprising a plurality of walls, the plurality of walls surround a reception space, the reception space comprising a first opening. The sealing plate is detachably connected or rotatably connected the cooling box, and is used to close or reveal the first opening. Each the walls is made of thermoplastic plastic, and any two abutting walls are fixed by plastic welding.
    Type: Application
    Filed: May 10, 2022
    Publication date: November 10, 2022
    Inventors: CHUNG-CHENG HSIEH, CHANG-WEN CHI, CHIEH-CHEN CHEN, YI-YANG LIAO, YU-FENG CHIEN, JIA-HONG WU
  • Patent number: 11493893
    Abstract: An integrated intelligent building management system is disclosed and includes a cloud management system having a cloud configuration platform, an intelligent building system corresponding to a building and having a ground configuration platform, and an intelligent building kit connected with multiple equipment in the building. The cloud configuration platform establishes multiple cloud configuration files. The intelligent building system obtains one cloud configuration file according to the MAC address and performs a ground configuration procedure confined by the cloud configuration file.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: November 8, 2022
    Assignee: CHICONY POWER TECHNOLOGY CO., LTD.
    Inventor: Wen-Chi Kan
  • Publication number: 20220351700
    Abstract: The disclosure provides an image uniformity compensation device. The image uniformity compensation device includes a local pre-compensation circuit, a chromaticity uniformity compensation circuit, a local post-compensation circuit, and a luminance uniformity correction circuit. A local pre-conversion performed by the local pre-compensation circuit includes the following. An image frame is divided into multiple regions, and each of the regions is converted from an optical non-linear domain to an optical linear domain to generate a corresponding region in multiple regions of a converted frame. A local post-conversion performed by the local post-compensation circuit includes the following. An image frame is divided into multiple regions, and each of the regions is converted from the optical linear domain to the optical non-linear domain to generate a corresponding region in multiple regions of a converted frame.
    Type: Application
    Filed: April 28, 2021
    Publication date: November 3, 2022
    Applicant: Novatek Microelectronics Corp.
    Inventors: Wen-Chi Lin, Chin-Chu Wu, Chung-Wen Hung
  • Publication number: 20220329271
    Abstract: Methods, systems, and apparatus for using antennas for millimeter wave contactless communication. One of the apparatuses is a communication device that includes a transducer configured to convert electrical signals into extremely high frequency (EHF) electromagnetic signals, the EHF electromagnetic signals substantially emitted from a first surface of the communication device, wherein the transducer is positioned on a substrate of the communication device, and an integrated circuit coupled to the substrate, wherein the transducer includes multiple parallel resonant antenna elements in an array.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 13, 2022
    Inventors: Giriraj Mantrawadi, Bojana Zivanovic, Wen-Chi Cheng
  • Publication number: 20220317965
    Abstract: The disclosure provides a light cabinet, including multiple light boards and multiple light-board controllers. The light boards form a first light-board array of the light cabinet. The light-board controllers are arranged one-to-one on the light boards. The light-board controllers of the light boards in a first column of the first light-board array are connected in series to form a first controller string. The output terminal of the first controller string is connected electrically to an input terminal of a second controller string in a corresponding column of a second light-board array of another light cabinet. The input terminal of the first controller string is connected electrically to a first output terminal of a video data splitter (or an output terminal of a third controller string in a corresponding column of a third light-board array of yet another light cabinet).
    Type: Application
    Filed: March 30, 2021
    Publication date: October 6, 2022
    Applicant: Novatek Microelectronics Corp.
    Inventors: Wen-Chi Lin, Yuan-Yung Liao, Chung-Wen Wu, Chi-Han Lee, Jiun-Yi Lin, Po-Jui Huang, Chung-Wen Hung
  • Publication number: 20220316665
    Abstract: A light-emitting diode (LED) light string control system with carrier identification function includes a control module, a power capacitor, and an LED light string. The control module converts a DC voltage to carry signals on the DC voltage through a power switch according to a lighting command. The power capacitor performs a capacitive charge-discharge operation to the signals on the DC voltage to generate capacitive charge-discharge signals. The LED light string includes at least one LED module, and the at least one LED module identifies that a charge-discharge characteristic is a first logic, a second logic, or a latch indication, and to generate a drive command corresponding to the signals on the DC voltage according to one of the first logic, the second logic, and the latch identification to control lighting behavior of the LED light string.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 6, 2022
    Inventor: Wen-Chi Peng
  • Patent number: 11460460
    Abstract: A sensor for detecting heavy metals in water is provided. The sensor includes a first electrode and a second electrode, the first electrode and the second electrode having complementary interdigitated surfaces that are separated from each other by a first gap having a distance of greater than or equal to about 500 nm to less than or equal to about 10 ?m. The sensor also includes a power source connectable to the first electrode and the second electrode. The sensor is configured to continuously monitor water for the presence of heavy metals. Methods of making and using the sensor are also provided.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: October 4, 2022
    Assignee: The Regents of the University of Michigan
    Inventors: Wen-Chi Lin, Mark A. Burns
  • Patent number: 11456850
    Abstract: The present application discloses an asynchronous sampling architecture and a chip. The asynchronous sampling architecture is configured to receive a first input data string from the peer end, and the asynchronous sampling architecture includes: a first register, configured to buffer a first input data string, wherein the first input data string is written into the first register according to a peer end clock of the peer end; and a gated clock generation unit, configured to generate a gated clock, wherein the frequency of the gated clock is the same as the frequency of the peer end clock, and the first input data string is read out as a first output data string from the first register according to the gated clock.
    Type: Grant
    Filed: December 25, 2020
    Date of Patent: September 27, 2022
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventors: Wen-Chi Wang, Hsin-Min Wang, Ju-Chieh Liu
  • Patent number: 11456709
    Abstract: The present application discloses a transconductance amplifier and a related chip. The transconductance amplifier is configured to generate an output current according to a positive input voltage and a negative input voltage, wherein the transconductance amplifier includes: an input stage, configured to receive the positive input voltage and the negative input voltage and generate a positive output current and a negative output current, wherein the input stage includes: a first transistor, wherein a gate thereof is coupled to the positive input voltage; a second transistor, wherein a gate thereof is coupled to the negative input voltage; a first resistor, serially connected between the first transistor and the second transistor; a third transistor, wherein a source of the third transistor is coupled between the first resistor and the first transistor, and a drain of the third transistor is configured to output the positive output current; and a fourth transistor.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: September 27, 2022
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventor: Wen-Chi Wang