Patents by Inventor Yao-Tsung Chang

Yao-Tsung Chang 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: 11964189
    Abstract: A training device includes a force receiving component, a location detector, a resistance generator, and a controller. The force receiving component moves along a closed trajectory. The location detector is configured to detect a location of the force receiving component in the closed trajectory and to output a location signal. The resistance generator is configured to exert a resistance on the force receiving component. The controller controls the resistance generator to adjust the resistance based on the location signal.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: April 23, 2024
    Assignee: WISTRON CORPORATION
    Inventors: Chuan-Yen Kao, Yao-Tsung Chang, Chih-Yang Hung
  • Patent number: 11929418
    Abstract: A gate structure includes a substrate divided into an N-type transistor region and a P-type transistor region. An interlayer dielectric covers the substrate. A first trench is embedded in the interlayer dielectric within the N-type transistor region. A first gate electrode having a bullet-shaped profile is disposed in the first trench. A gate dielectric contacts the first trench. An N-type work function layer is disposed between the gate dielectric layer and the first gate electrode. A second trench is embedded in the interlayer dielectric within the P-type transistor region. A second gate electrode having a first mushroom-shaped profile is disposed in the second trench. The gate dielectric layer contacts the second trench. The N-type work function layer is disposed between the gate dielectric layer and the second gate electrode. A first P-type work function layer is disposed between the gate dielectric layer and the N-type work function layer.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: March 12, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Jie-Ning Yang, Wen-Tsung Chang, Po-Wen Su, Kuan-Ying Lai, Bo-Yu Su, Chun-Mao Chiou, Yao-Jhan Wang
  • Publication number: 20240074255
    Abstract: Disclosed is a double-sided e-paper display panel including a first substrate, a second substrate, alight isolation layer, a first display medium layer, a second display medium layer, a first electrode layer, and a second electrode layer. The second substrate and the first substrate are disposed opposite to each other. The light isolation layer is disposed between the first substrate and the second substrate. The first display medium layer is disposed between the first substrate and the light isolation layer. The second display medium layer is disposed between the light isolation layer and the second substrate. The first display medium layer and the second display medium layer include a fluid and a plurality of charged particles. The first electrode layer is disposed between the first substrate and the first display medium layer. The second electrode layer is disposed between the second display medium layer and the second substrate.
    Type: Application
    Filed: November 6, 2023
    Publication date: February 29, 2024
    Applicant: Wistron Corporation
    Inventor: Yao-Tsung Chang
  • Patent number: 11903671
    Abstract: A frequency modulated continuous wave radar system includes at least one identity tag, respectively disposed next to at least one test subject; and a frequency modulated continuous wave radar identity recognition device, including an identity recognition control module, for controlling a test identity tag of the at least one identity tag to be turned on to generate a specific tag reflection signal corresponding to an identity frequency in response to a chirp signal; and a frequency modulated continuous wave radar, for transmitting the chirp signal and receiving at least one reflection signal of the at least one test subject and the specific tag reflection signal in response to the chirp signal, to calculate and determine that the specific tag reflection signal and a specific reflection signal of the at least one reflection signal are corresponding to an adjacent position information. The specific reflection signal is corresponding to test subject information.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: February 20, 2024
    Assignee: Wistron Corporation
    Inventors: Yao-Tsung Chang, Yin-Yu Chen, Chuan-Yen Kao
  • Patent number: 11892407
    Abstract: A detection device, including a light-emitting component, a light-detecting component, at least one reflective optical film element, and a control unit, is provided. The light-emitting component is used for providing an excitation beam, wherein a part of the excitation beam whose dominant wavelength falls within an excitation wavelength band generates a fluorescence beam after passing through a test specimen. The light-detecting component is used for receiving a part of the fluorescence beam whose dominant wavelength falls within a detection wavelength band. The control unit is coupled to the at least one reflective optical film element. The control unit controls the at least one reflective optical film element to filter out a part of a wavelength band of an incident beam. The incident beam is at least one of the excitation beam and the fluorescence beam. A detection method of the detection device is also provided.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: February 6, 2024
    Assignee: Wistron Corporation
    Inventors: Yi Fan Hsieh, Yu-Lin Chen, Yao-Tsung Chang
  • Patent number: 11856824
    Abstract: The present invention provides a double-sided e-paper display panel including a first substrate, a second substrate, a light isolation layer, a first display medium layer, a second display medium layer, a first electrode layer, and a second electrode layer. The second substrate and the first substrate are disposed opposite to each other. The light isolation layer is disposed between the first substrate and the second substrate. The first display medium layer is disposed between the first substrate and the light isolation layer. The second display medium layer is disposed between the light isolation layer and the second substrate. The first display medium layer and the second display medium layer include a fluid and a plurality of charged particles. The first electrode layer is disposed between the first substrate and the first display medium layer. The second electrode layer is disposed between the second display medium layer and the second substrate.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: December 26, 2023
    Assignee: Wistron Corporation
    Inventor: Yao-Tsung Chang
  • Publication number: 20230408675
    Abstract: A radar scanning system and a scanning method are provided. The processing unit of the radar scanning system is configured to perform the following steps in a scanning round: sending a control signal to cause the radar unit to scan a plurality of predetermined fields of view of the radar unit, and recording, in response to finding a tracked object in the predetermined fields of view through scanning, coordinates of each tracked object and setting a preferential field of view, based on the coordinates of the each tracked object; and creating a scan list, setting, in response to finding the tracked object in the predetermined fields of view, the scan list to include the preferential field of view, and controlling, based on the scan list and a scanning and processing policy, the radar unit to perform scanning.
    Type: Application
    Filed: September 20, 2022
    Publication date: December 21, 2023
    Inventor: Yao-Tsung Chang
  • Publication number: 20230280459
    Abstract: A radar detection system and a radar field of view (FOV) direction adjustment method are provided. A processing unit of the radar detection system performs the following steps in one scanning round: obtaining at least one cluster of a current frame and a current status and a next status of each cluster based on digital feedback signals; and determining a displacement, determining, based on the current status of a tracked cluster in the at least one cluster and the displacement, whether the tracked cluster is located on an edge of a current FOV of a radar unit, and sending a control signal based on the next status of the tracked cluster in response to the tracked cluster being located on the edge of the current FOV, to adjust an FOV direction of the radar unit.
    Type: Application
    Filed: June 28, 2022
    Publication date: September 7, 2023
    Inventors: Yao-Tsung Chang, Yin-Yu Chen, Chuan-Yen Kao, Kai-Jen Cheng, Cheng-Nung Liao
  • Publication number: 20230240550
    Abstract: A method for detecting vital information and humidity by using a frequency-modulated continuous wave (FMCW) radar device is provided, including: transmitting an incident radar signal to a field, detects a reflected radar signal reflected by a to-be-measured object and a reflected radar signal reflected by a humidity sensor tag, so as to obtain vital information of the to-be-measured object and humidity information detected by the humidity sensor tag.
    Type: Application
    Filed: April 14, 2022
    Publication date: August 3, 2023
    Inventor: Yao-Tsung Chang
  • Publication number: 20230240906
    Abstract: A method for detecting vital information and humidity using a radio frequency radar device is provided. In the method, an incident radar signal is transmitted to a field to detect a reflected radar signal reflected by an object to be measured and a reflected radar signal reflected by a humidity sensing tag. Therefore, vital information of the object to be measured and humidity information detected by the humidity sensing tag are obtained.
    Type: Application
    Filed: March 17, 2022
    Publication date: August 3, 2023
    Inventors: Yao-Tsung Chang, Yin-Yu Chen, Chuan-Yen Kao, Cheng-Nung Liao
  • Publication number: 20230186112
    Abstract: A prediction-model-building method includes: generating a plurality of pieces of augmented training data after a piece of training data with a missing item is determined; constituting a training dataset comprising pieces of training data without any missing item and the plurality of pieces of augmented training data; and building a prediction model based on the training dataset by a machine-learning algorithm. Similarly, a state prediction method includes: generating a plurality of pieces of estimation augmented data after a piece of source data with a missing item is determined; inputting the said plurality of pieces of estimation augmented data into a prediction model; and outputting a predicted state based on the output of the prediction model. Devices for performing the above methods are also disclosed.
    Type: Application
    Filed: March 29, 2022
    Publication date: June 15, 2023
    Inventor: Yao-Tsung CHANG
  • Patent number: 11640061
    Abstract: A near eye display system including a display screen, a graphic processing unit, a lens group, a focal length adjustment device, an interpupillary distance adjustment device, a detection unit, and a control unit is provided. Positions of a left-eye image and a right-eye image to be displayed on the display screen may be adjusted based on lateral displacement amounts of a left-eye lens and a right-eye lens, such that centers of the left-eye image and the right-eye image are respectively aligned with centers of the left-eye lens and the right-eye lens. Sizes (magnification) of the left-eye image and the right-eye image to be displayed on the display screen may be adjusted based on longitudinal displacement amounts of the left-eye lens and the right-eye lens, such that sizes of a visual left-eye image and a visual right-eye image seen by a user are identical. Operation methods thereof are also provided.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: May 2, 2023
    Assignee: Wistron Corporation
    Inventors: Yao-Tsung Chang, Chen-Yi Liang
  • Publication number: 20230104935
    Abstract: A Doppler radar apparatus, including a transmitter, a receiver, and a processor, is provided. The transmitter transmits a radio frequency signal to a field. The receiver is coupled to the transmitter and receives a reflected signal corresponding to the radio frequency signal from the field. The processor is coupled to the receiver and is configured to detect a target in the field according to the reflected signal. In response to the target not being detected in the field, the processor switches to a power saving mode according to workload reduction information, and workload of the radio frequency signal in the power saving mode decreases based on the workload reduction information.
    Type: Application
    Filed: November 9, 2021
    Publication date: April 6, 2023
    Applicant: Wistron Corporation
    Inventors: Yao-Tsung Chang, Yin-Yu Chen, Chuan-Yen Kao
  • Patent number: 11618027
    Abstract: A molecular diagnostics apparatus is provided. The molecular diagnostics apparatus is adapted to perform DNA chain replication to one sample. The molecular diagnostics apparatus includes a bracket, a central control module, a motor, a magnetic unit, a rotational carrier, a detection module and at least one power supply coil. The central control module is disposed on the bracket. The motor is disposed on the bracket, wherein the central control module drives the motor. The magnetic unit is disposed on the bracket, wherein the magnetic unit provides a magnetic field. The motor is adapted to rotate the rotational carrier. The rotational carrier is rotated relative to the bracket. The sample is disposed on the rotational carrier. The detection module is disposed on the rotational carrier. The power supply coil is coupled to the detection module, and disposed on the rotational carrier. The molecular diagnostics apparatus of the embodiment has a simpler structure and better reliability.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: April 4, 2023
    Assignee: WISTRON CORP.
    Inventors: Yao-Tsung Chang, Wen-Hui Shih, Chen An Sung
  • Patent number: 11615765
    Abstract: A light emission control method is adapted to a direct-lit LED backlight display. The display includes a backlight module, a driving circuit, a detection circuit, and a control circuit. The backlight module includes a first light emission group and a second light emission group. The first light emission group includes a plurality of first LEDs, and the second light emission group includes a plurality of second LEDs. The first LEDs and the second LEDs are in an interleaved arrangement. The driving circuit is activated to selectively drive the first light emission group and the second light emission group to emit light. On detection of an abnormal light-emission status of any of the plurality of LEDs, the detection circuit sends an abnormal signal. The control circuit obtains a shut-down group according to the abnormal signal and actives the driving circuit not to drive the shut-down group to emit light.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: March 28, 2023
    Assignee: WISTRON CORPORATION
    Inventors: Yao-Tsung Chang, Chuan-Yen Kao, Yu-Lin Chen
  • Patent number: 11568727
    Abstract: A wearable device and a method of operating the same are provided. The wearable device includes a shoe assembly, a plurality of pressure sensors, a processing circuit and an alarm module. The plurality of pressure sensors are disposed on the shoe assembly and configured to generate a plurality of pressure sensing values. The processing circuit is configured to calculate a center of gravity coordinate according to the plurality of pressure sensing values and coordinates of the plurality of pressure sensors, and generate a determination result according to the center of gravity coordinate. The alarm module is configured to output an alarm signal to perform an alarm function.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: January 31, 2023
    Assignee: Wistron Corporation
    Inventors: Hsiang-Min Chan, Yao-Tsung Chang, Yin-Yu Chen, Chuan-Yen Kao, Tsung-Yin Tsou
  • Publication number: 20220299628
    Abstract: A frequency modulated continuous wave radar system includes at least one identity tag, respectively disposed next to at least one test subject; and a frequency modulated continuous wave radar identity recognition device, including an identity recognition control module, for controlling a test identity tag of the at least one identity tag to be turned on to generate a specific tag reflection signal corresponding to an identity frequency in response to a chirp signal; and a frequency modulated continuous wave radar, for transmitting the chirp signal and receiving at least one reflection signal of the at least one test subject and the specific tag reflection signal in response to the chirp signal, to calculate and determine that the specific tag reflection signal and a specific reflection signal of the at least one reflection signal are corresponding to an adjacent position information. The specific reflection signal is corresponding to test subject information.
    Type: Application
    Filed: June 21, 2021
    Publication date: September 22, 2022
    Applicant: Wistron Corporation
    Inventors: Yao-Tsung Chang, Yin-Yu Chen, Chuan-Yen Kao
  • Publication number: 20220296099
    Abstract: A monitoring radar and a monitoring and identification method therefor are provided. The monitoring radar may be a physiological information monitoring radar. The monitoring and identification method may be a physiological information monitoring and identification method. The physiological information monitoring radar processes at least one reflected radar signal to obtain a response characteristic and range information corresponding to each of a plurality of to-be-monitored objects and distinguishes the response characteristic of each of the to-be-monitored objects as identification information or physiological information. The physiological information monitoring radar then labels each piece of physiological information according to the range information and the identification information.
    Type: Application
    Filed: July 6, 2021
    Publication date: September 22, 2022
    Inventors: Yao-Tsung CHANG, Yin-Yu CHEN, Chuan-Yen KAO
  • Publication number: 20220230602
    Abstract: A light emission control method is adapted to a direct-lit LED backlight display. The display includes a backlight module, a driving circuit, a detection circuit, and a control circuit. The backlight module includes a first light emission group and a second light emission group. The first light emission group includes a plurality of first LEDs, and the second light emission group includes a plurality of second LEDs. The first LEDs and the second LEDs are in an interleaved arrangement. The driving circuit is activated to selectively drive the first light emission group and the second light emission group to emit light. On detection of an abnormal light-emission status of any of the plurality of LEDs, the detection circuit sends an abnormal signal. The control circuit obtains a shut-down group according to the abnormal signal and actives the driving circuit not to drive the shut-down group to emit light.
    Type: Application
    Filed: April 1, 2021
    Publication date: July 21, 2022
    Inventors: Yao-Tsung Chang, Chuan-Yen Kao, Yu-Lin Chen
  • Publication number: 20220205844
    Abstract: A detection apparatus configured for PCR testing includes a carrier structure and a temperature detection module. The carrier structure is configured to carry a test tube, and the test tube is configured for containing a reagent and a specimen. The temperature detection module is disposed on the carrier structure and includes a heat transfer medium and a temperature sensor. The heat capacity of the heat transfer medium is approximately equal to a preset value, so as to match heat capacity of the reagent. The temperature sensor is configured to sense a temperature of the heat transfer medium. In addition, a method for detecting a temperature of the detection apparatus is also provided.
    Type: Application
    Filed: May 12, 2021
    Publication date: June 30, 2022
    Applicant: Wistron Corporation
    Inventors: Huan-Chun Wu, Yao-Tsung Chang