Patents by Inventor Ming-Fu Chen

Ming-Fu Chen 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: 20240120735
    Abstract: An electrostatic discharge (ESD) circuit includes a first ESD detection circuit, a first discharging circuit and a first ESD assist circuit. The first ESD detection circuit is coupled between a first node having a first voltage and a second node having a second voltage. The first discharging circuit includes a first transistor. The first transistor has a first gate, a first drain, a first source and a first body terminal. The first gate is coupled to the first ESD detection circuit by a third node. The first drain is coupled to the first node. The first source and the first body terminal are coupled together at the second node. The first ESD assist circuit is coupled between the second and third node, and configured to clamp a third voltage of the third node at the second voltage during an ESD event at the first or second node.
    Type: Application
    Filed: December 19, 2023
    Publication date: April 11, 2024
    Inventors: Chia-Lin HSU, Ming-Fu TSAI, Yu-Ti SU, Kuo-Ji CHEN
  • Patent number: 11935728
    Abstract: In order to reduce the occurrence of current alarms in a semiconductor etching or deposition process, a controller determines an offset in relative positions of a cover ring and a shield over a wafer within a vacuum chamber. The controller provides a position alarm and/or adjusts the position of the cover ring or shield when the offset is greater than a predetermined value or outside a range of acceptable values.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: March 19, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Tsung-Cheng Wu, Sheng-Ying Wu, Ming-Hsien Lin, Chun Fu Chen
  • Publication number: 20240069618
    Abstract: The disclosure provides a power management method. The power management method is applicable to an electronic device. The electronic device is electrically coupled to an adapter, and includes a system and a battery. The adapter has a feed power. The battery has a discharge power. The power management method of the disclosure includes: reading a power value of the battery; determining a state of the system; and discharging power to the system, when the system is in a power-on state and the power value is greater than a charging stopping value, by using the battery, and controlling, according to the discharge power and the feed power, the adapter to selectively supply power to the system. The disclosure further provides an electronic device using the power management method.
    Type: Application
    Filed: April 27, 2023
    Publication date: February 29, 2024
    Inventors: Wen Che CHUNG, Hui Chuan LO, Hao-Hsuan LIN, Chun TSAO, Jun-Fu CHEN, Ming-Hung YAO, Jia-Wei ZHANG, Kuan-Lun CHEN, Ting-Chao LIN, Cheng-Yen LIN, Chunyen LAI
  • Publication number: 20230024546
    Abstract: A vision test apparatus includes a hollow housing, a converging lens, and a diverging lens. The converging lens is arranged in the hollow housing, and includes a converging focal length. The diverging lens is arranged in the hollow housing at intervals relative to the converging lens, and includes a diverging focal length. Two optical axes of the diverging lens and the converging lens are overlap each other, and the diverging focal length partially overlaps the converging focal length. One end of the hollow housing adjacent to the diverging lens attaches a test optotype displayed by a display apparatus. The diverging lens demagnifies the test optotype to form a first virtual image within the converging focal length. The converging lens magnifies the first virtual image to form a second virtual image for a vision testing.
    Type: Application
    Filed: July 5, 2022
    Publication date: January 26, 2023
    Inventors: Ming-Fu CHEN, Cheng-Hsiung CHEN
  • Publication number: 20200221944
    Abstract: A virtual reality-based ophthalmic inspection system includes a wearable unit, an electronic unit, and at least one detector. The wearable unit is available for an inspected object to wear the wearable unit on head. The electronic unit is assembled with the wearable unit and has a left-eye display zone and a right-eye display zone. A first visual acuity of the inspected object is identified according to a first eyesight information. The electronic unit performs a visual correction confirmation process, the at least one detector detects a condition value of corresponding the right eye and/or the left eye, and the electronic unit answers a first comparison result after comparing the condition value with a threshold value.
    Type: Application
    Filed: March 26, 2020
    Publication date: July 16, 2020
    Inventors: Ho-Fang SHEN, Ming-Fu CHEN
  • Patent number: 10624536
    Abstract: A virtual reality-based ophthalmic inspection system includes a wearable unit, an electronic unit, and at least one detector; the wearable unit is available for an inspected object to wear the wearable unit on head; the electronic unit is assembled with the wearable unit and has a left-eye display zone and a right-eye display zone, wherein the left-eye display zone is used for displaying at least one left-eye sight-targets, and the right-eye display zone is used for displaying at least one right-eye sight-targets; the detector is disposed on the electronic unit. A sight-target with at least one distinguishing feature are shown on one of the left-eye display zone and the right-eye display zone, the left-eye display zone displays the sight-target while the right-eye display zone is filled with black, and the right-eye display zone displays the sight-target while the left-eye display zone is filled with black.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: April 21, 2020
    Inventors: Ho-Fang Shen, Ming-Fu Chen
  • Patent number: 10260988
    Abstract: The present disclosure illustrates a non-contact measurement device for a radius of curvature and a thickness of a lens and a measurement method thereof. The non-contact measurement device utilizes a non-contact probe to integrate a motor, an optical scale and an electronic control module, so as to achieve measurement for the radius of curvature and the thickness of the lens. The present disclosure adopts astigmatism to achieve fast and precise focusing. To overcome the spherical aberration problem, thickness measurement can be implemented by the non-contact measurement device through a formula calculation and utilization of a correction plate, wherein single one probe is used for the measurement herein. For the thicker lens, the non-contact measurement device can be extended to use dual probes, so as to detect the top and bottom sides of the lens.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: April 16, 2019
    Assignee: NATIONAL APPLIED RESEARCH LABORATORIES
    Inventors: Wei-Yao Hsu, Wei-Jei Peng, Zong-Ru Yu, Jung-Hsin Wang, Po-Jui Chen, Cheng-Fang Ho, Chi-Hung Huang, Chun-Cheng Chen, Hua-Lin Chen, Yi-Hao Lin, Ming-Fu Chen
  • Publication number: 20180356311
    Abstract: The present disclosure illustrates a non-contact measurement device for a radius of curvature and a thickness of a lens and a measurement method thereof. The non-contact measurement device utilizes a non-contact probe to integrate a motor, an optical scale and an electronic control module, so as to achieve measurement for the radius of curvature and the thickness of the lens. The present disclosure adopts astigmatism to achieve fast and precise focusing. To overcome the spherical aberration problem, thickness measurement can be implemented by the non-contact measurement device through a formula calculation and utilization of a correction plate, wherein single one probe is used for the measurement herein. For the thicker lens, the non-contact measurement device can be extended to use dual probes, so as to detect the top and bottom sides of the lens.
    Type: Application
    Filed: June 13, 2018
    Publication date: December 13, 2018
    Inventors: WEI-YAO HSU, WEI-JEI PENG, ZONG-RU YU, JUNG-HSIN WANG, PO-JUI CHEN, CHENG-FANG HO, CHI-HUNG HUANG, CHUN-CHENG CHEN, HUA-LIN CHEN, YI-HAO LIN, MING-FU CHEN
  • Publication number: 20180344148
    Abstract: A virtual reality-based ophthalmic inspection system includes a wearable unit, an electronic unit, and at least one detector; the wearable unit is available for an inspected object to wear the wearable unit on head; the electronic unit is assembled with the wearable unit and has a left-eye display zone and a right-eye display zone, wherein the left-eye display zone is used for displaying at least one left-eye sight-targets, and the right-eye display zone is used for displaying at least one right-eye sight-targets; the detector is disposed on the electronic unit. A sight-target with at least one distinguishing feature are shown on one of the left-eye display zone and the right-eye display zone, the left-eye display zone displays the sight-target while the right-eye display zone is filled with black, and the right-eye display zone displays the sight-target while the left-eye display zone is filled with black.
    Type: Application
    Filed: June 5, 2018
    Publication date: December 6, 2018
    Inventors: Ho-Fang SHEN, Ming-Fu CHEN
  • Publication number: 20170118384
    Abstract: The present disclosure illustrates an adaptive lighting device for optical inspection, which may be assembled with the image capturing device and the lighting module capable of moving and rotating of the lighting device is used to provide a variety of the illumination ranges and the illumination angles for performing an optical inspection. The adaptive lighting device can avoid the separation situation of the flaw and the ghost image of flaw in the inspection image, to achieve the technical effect of raising a correctness rate of the optical inspection effectively.
    Type: Application
    Filed: October 26, 2015
    Publication date: April 27, 2017
    Inventors: Chih-Wen CHEN, Ming-Fu CHEN, Rui-Cian WENG
  • Patent number: 9229484
    Abstract: An electronic apparatus includes a first assembly and a second assembly. The first assembly includes at least one hook and at least one elastic locating member. The second assembly includes at least one hook groove and at least one locating groove. The second assembly receives the hook of the first assembly by the hook groove along a first assembling direction. The second assembly makes the hook engaged to the hook groove along a second assembling direction. When the second assembly moves relative to the first assembly along the second assembling direction, the elastic locating member gets into the locating groove, thereby fastening the first assembly and the second assembly.
    Type: Grant
    Filed: June 22, 2014
    Date of Patent: January 5, 2016
    Assignee: COMPAL ELECTRONICS, INC.
    Inventors: Pai-Feng Chen, Chao-Cheng Shao, Ming-Fu Chen, Tsung-Lin Yang, Chien-Hua Cheng, Chung-Kuo Lai
  • Publication number: 20150253812
    Abstract: An electronic apparatus includes a first assembly and a second assembly. The first assembly includes at least one hook and at least one elastic locating member. The second assembly includes at least one hook groove and at least one locating groove. The second assembly receives the hook of the first assembly by the hook groove along a first assembling direction. The second assembly makes the hook engaged to the hook groove along a second assembling direction. When the second assembly moves relative to the first assembly along the second assembling direction, the elastic locating member gets into the locating groove, thereby fastening the first assembly and the second assembly.
    Type: Application
    Filed: June 22, 2014
    Publication date: September 10, 2015
    Inventors: Pai-Feng CHEN, Chao-Cheng SHAO, Ming-Fu CHEN, Tsung-Lin YANG, Chien-Hua CHENG, Chung-Kuo LAI
  • Patent number: 8743201
    Abstract: The present invention discloses a time-sequential multi-spectrum image acquiring device structure which uses a single camera module to achieve multi-spectrum image acquiring in a time-sequential architecture, thereby providing a simple, lightweight telemetry system and reducing the development and operation costs thereof. For example, a visible and near infrared (VNIR) imaging system reduces the use of four camera modules (each including an optical lens, filter, sensor, and image signal processing unit) to single camera module, the VNIR imaging system acquires multi-spectrum images having the same image geometric parameters for image calibration and can simplify the calibration process. The present invention is implemented by introducing a multi-spectrum filter wheel capable of rotating in high speed in the camera module and controlling the image acquiring frequency of the sensor and the synchronicity of the wheel rotating speed for multi-spectrum image acquiring.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: June 3, 2014
    Assignee: National Applied Research Laboratories
    Inventors: Po-Hsuan Huang, Ming-Fu Chen
  • Patent number: 8559698
    Abstract: The present invention provides a method for inspecting chip defects. A raw image of a chip is used to extract a chip image. A binary chip edge image obtained from the chip image is used for inspecting defects, coordinated with statistics of edge pixels. During packaging the chip, defects that exceed inspection criteria and affect chip quality are quantitatively and accurately inspected out. The present invention has a simple procedure with high performance on inspecting defect modes and defect sizes. Thus, the present invention greatly improves performance and accuracy of inspections on chip defects for further saving a great amount of labor, time and cost.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: October 15, 2013
    Assignee: National Applied Research Laboratories
    Inventors: Ming-Fu Chen, Chun-Chao Chang
  • Publication number: 20130236086
    Abstract: The present invention provides a method for inspecting chip defects. A raw image of a chip is used to extract a chip image. A binary chip edge image obtained from the chip image is used for inspecting defects, coordinated with statistics of edge pixels. During packaging the chip, defects that exceed inspection criteria and affect chip quality are quantitatively and accurately inspected out. The present invention has a simple procedure with high performance on inspecting defect modes and defect sizes. Thus, the present invention greatly improves performance and accuracy of inspections on chip defects for further saving a great amount of labor, time and cost.
    Type: Application
    Filed: March 9, 2012
    Publication date: September 12, 2013
    Applicant: NATIONAL APPLIED RESEARCH LABORATORIES
    Inventors: Ming-Fu Chen, Chun-Chao Chang
  • Publication number: 20130235186
    Abstract: Disclosed is a chip defect inspection apparatus including a linear array image acquisition module, an illumination control module, a chip defect detection module connected to the LIA module, and an operations and management module connected to the LIA module, the illumination control module and the chip defect detection module.
    Type: Application
    Filed: March 9, 2012
    Publication date: September 12, 2013
    Applicant: NATIONAL APPLIED RESEARCH LABORATORIES
    Inventors: Ming-Fu Chen, Po-Hsuan Huang, Yung-Hsiang Chen
  • Patent number: 8481917
    Abstract: A system and a method for calibrating an ambient light sensor (ALS) are disclosed. The ALS, an adjustable resistor and a switch are located on a first surface of a printed circuit board (PCB), and the adjustable resistor and the switch are connected in series between an adjustable probe of the ALS and the ground. A resistor is connected between two pads located on a second surface of the PCB via two probes touching the pads. A controller connected to the PCB reads a light sensitivity of the ALS and calculates a calculated resistance value of the adjustable resistor by a formula “detected light sensitivity/resistance value of the resistor=objective light sensitivity/resistance value of the adjustable resistor”, wherein the objective light sensitivity and the resistance value of the resistor are given.
    Type: Grant
    Filed: November 4, 2009
    Date of Patent: July 9, 2013
    Assignees: Amlink (Shanghai) Ltd., Ampower Technology Co., Ltd.
    Inventors: Li-Mei Chen, Ming-Fu Chen, Yi-Hsun Lin
  • Publication number: 20120307003
    Abstract: The present invention discloses an image searching and capturing system and a control method thereof. The system comprises a first capture device, a second capture device, a control module and a processing module. The first capture device captures a plurality of multi-spectral panoramic images with panorama. The control module controls the second capture device to search and target an azimuth of target object according to the plurality of multi-spectral panoramic images; the control module controls that the second capture device rotates a rotation module to capture a high-resolution image of a target object. The control module controls a rotation angle and a rotation direction of the rotation module according to attitude information, position information, and azimuth of the target object. The invention is applied to environmental monitoring and disaster monitoring, and has automatic search for targets, calibration targets and achieve high-resolution images and other effects.
    Type: Application
    Filed: July 11, 2011
    Publication date: December 6, 2012
    Inventors: Po-Hsuan Huang, Yung-Hsiang Chen, Ming-Fu Chen
  • Publication number: 20120113761
    Abstract: A medicine reminder device includes a housing, a processing unit, a schedule-setting input unit, a timing unit, light emitting units and medicine containing units. The schedule-setting input unit, the timing unit and the light emitting units are coupled to the processing unit. Each of the medicine containing units corresponds to at least one of the light emitting units, such that at least a part of light, emitted from the light emitting unit, enters the medicine containing unit and then transmits to the outside. The processing unit receives a schedule-setting event through the schedule-setting input unit to obtain timing information. The timing unit receives the timing information and executes a timing event. The processing unit outputs a control signal according to a result resulting from execution of the timing unit, and enables at least one of the light emitting units according to the control signal.
    Type: Application
    Filed: November 8, 2010
    Publication date: May 10, 2012
    Inventors: Ming-Fu Chen, Cheng-Hsiung Chen
  • Publication number: 20120116770
    Abstract: A speech data retrieving and presenting device applied with an electronic device through a network includes a data receiving unit, a processing unit and a speech presenting unit. The data receiving unit connected to the network receives data of the electronic device through the network. The processing unit coupled to the data receiving unit receives speech data and retrieves a speech presenting signal from the speech data. The speech presenting unit coupled to the processing unit receives the speech presenting signal and outputs a speech according to the speech data. This device can assist a user to obtain network information, and provide the user a more flexible application according to the property that the device can be operated independently by a simple motion.
    Type: Application
    Filed: November 8, 2010
    Publication date: May 10, 2012
    Inventors: Ming-Fu CHEN, Cheng-Hsiung Chen, Daow-Ming Jiang, Chan-Fa Chiu, Cheng-Jen Lin, Po-Yiu Liu