Patents by Inventor Han Chang

Han 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: 11914436
    Abstract: An example system can include a noise sensor communicatively coupled to a controller of a computing device to dynamically determine a sound pressure level (SPL) of an environment in which the computing device is present. The computing device can include a cooling fan and the controller comprising a processor in communication with a memory resource including instructions executable to dynamically determine a threshold speed of the cooling fan based on the determined SPL of the environment set a speed of the cooling fan based on the determined threshold speed.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: February 27, 2024
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Hung-Wen Chang, Ai-Tsung Li, Shih-Han Chen
  • Patent number: 11917923
    Abstract: A magnetoresistive random access memory (MRAM) structure, including a substrate and multiple MRAM cells on the substrate, wherein the MRAM cells are arranged in a memory region adjacent to a logic region. An ultra low-k (ULK) layer covers the MRAM cells, wherein the surface portion of ultra low-k layer is doped with fluorine, and dents are formed on the surface of ultra low-k layer at the boundaries between the memory region and the logic region.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: February 27, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Hui-Lin Wang, Ching-Hua Hsu, Si-Han Tsai, Shun-Yu Huang, Chen-Yi Weng, Ju-Chun Fan, Che-Wei Chang, Yi-Yu Lin, Po-Kai Hsu, Jing-Yin Jhang, Ya-Jyuan Hung
  • Patent number: 11915395
    Abstract: A holographic display system provides a maximum intensity value of an intermediate image to decrease a graphics speckle noise. The system includes an SLM having a display with a hologram generating unit and a plurality of pixels for modulating a beam of coherent light. The system further includes a beam splitter for splitting the beam into an object beam and an intermediate image beam that is associated with an intermediate image having the noise. The system further includes a camera for capturing the intermediate image, in response to the camera receiving the intermediate image beam. The system further includes a computer having a processor and a CRM. The processor is programmed to generate an actuation signal associated with a corrective holographic phase shift to decrease the noise. The SLM modifies in real-time a holographic phase of the beam per pixel, in response to the SLM receiving the actuation signal.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: February 27, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Manoj Sharma, Kai-Han Chang, Thomas A. Seder
  • Publication number: 20240064281
    Abstract: A system for generating a centrally located floating three-dimensional image display for a plurality of passengers positioned within a vehicle includes a plurality of autostereoscopic three-dimensional displays, one autostereoscopic three-dimensional display individually associated with each one of the plurality of passengers, and a controller in communication with each of the plurality of autostereoscopic three-dimensional displays and adapted to cause each one of the plurality of autostereoscopic three-dimensional displays to display a three-dimensional image to the associated one of the plurality of passengers, wherein, each of the plurality of passengers perceives the three-dimensional image floating at a central location within the vehicle.
    Type: Application
    Filed: August 16, 2022
    Publication date: February 22, 2024
    Inventors: Manoj Sharma, Kai-Han Chang, Thomas A. Seder, Joseph F. Szczerba
  • Publication number: 20240062394
    Abstract: An image recognition system, a sensor module and a method for image recognition are provided. The system includes a processing module, a sensor module, and a database. The sensor module includes first sensors and second sensors, the first sensors are image sensors for object recognition and the second sensors are thermal sensors for human detection. When the image sensors and the thermal sensors are arranged in columns, each column of the image sensors is adjacent to at least one column of the thermal sensors, or when the image sensors and the thermal sensors are arranged in rows, each row of the image sensors is adjacent to at least one row of the thermal sensors, or when the image sensors and the thermal sensors are arranged in a checkerboard manner in the matrix, each of the image sensors is adjacent to the thermal sensors.
    Type: Application
    Filed: November 1, 2023
    Publication date: February 22, 2024
    Inventors: GUO-ZHEN WANG, HAN-CHANG LIN
  • Patent number: 11898867
    Abstract: A method for replaying route data with annotation for re-display comprises: recording a recorded-route-replay by a first user of a first automobile vehicle and saving the recorded-route-replay to a website; electing to trigger playback of the recorded-route-replay by a second user of a second automobile vehicle and entering a predetermined key word by the second user to trigger playback; contacting a website and downloading from the website GPS tagged pictures for a predetermined next trip travel distance of the second automobile vehicle; and retrieving one of the GPS tagged pictures when a GPS trigger location is reached during the trip of the second automobile vehicle and displaying the one of the GPS tagged pictures on an image screen of a head-up display of second automobile vehicle.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: February 13, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Thomas A. Seder, Kai-Han Chang
  • Publication number: 20240042851
    Abstract: A head-up display for displaying graphics upon a windscreen of a vehicle includes a graphic projection module for generating images upon the windscreen of the vehicle, a user input device for receiving user-generated commands created by a user of the vehicle, and one or more controllers in electronic communication with the graphic projection module and the user input device. The controller executes instructions to instruct the graphic projection module to generate a luminance adjustment graphic, where the luminance adjustment graphic includes an adaptive color palette graphic including two or more colors. The controller receives, from the user input device, a user-generated luminance input indicating a change in a level of luminance in a selected color, where the change in the level of luminance in the selected color is selected by the user to discern differences between the two or more colors caused by a color vision deficiency.
    Type: Application
    Filed: August 8, 2022
    Publication date: February 8, 2024
    Inventors: Kai-Han Chang, Thomas A. Seder
  • Publication number: 20240047012
    Abstract: Methods and systems may be provided to predict functional response based on a set of predictors for therapeutic proteins. For example, a method can comprise receiving input data comprising first input data related to a set of predictors and corresponding measured functional response associated with the set of predictors obtained from a first set of therapeutic protein samples and second input data related to the set of predictors and a second set of therapeutic protein samples for prediction of a functional response, wherein the set of predictors were selected as a combination of related biophysical attributes of therapeutic proteins based on a pre-determined criterion; training a machine learning model with the first input data; and using the machine learning model and the set of predictors to predict a functional response of the second set of therapeutic protein samples based on the second input data.
    Type: Application
    Filed: August 18, 2023
    Publication date: February 8, 2024
    Applicant: GENENTECH, INC.
    Inventors: Alexander KOZINTSEV, Tilman Sebastian SCHLOTHAUER, Raul Agustin SUN HAN CHANG
  • Publication number: 20240046619
    Abstract: A system comprises a computer including a processor and a memory. The memory includes instructions such that the processor is programmed to receive, at a deep neural network, an image captured by an image capture device. The processor is also programmed to generate a predicted distortion map based on the image and update at least one weight of the deep neural network based on a loss function of the deep neural network.
    Type: Application
    Filed: August 3, 2022
    Publication date: February 8, 2024
    Inventors: Manoj Sharma, Thomas A. Seder, Kai-Han Chang
  • Publication number: 20240045204
    Abstract: A system for displaying information for an occupant of a vehicle includes a plurality of vehicle sensors, a display, and a controller in electrical communication with the plurality of vehicle sensors and the display. The controller is programmed to detect a remote vehicle in an environment surrounding the vehicle using the plurality of vehicle sensors, determine an intended illumination status of at least one indicator of the remote vehicle using the plurality of vehicle sensors, where the intended illumination status includes an intended lit status and an intended un-lit status, and display a graphic based at least in part on the intended illumination status of the at least one indicator of the remote vehicle using the display.
    Type: Application
    Filed: August 3, 2022
    Publication date: February 8, 2024
    Inventors: Jacob Alan Bond, Joseph F. Szczerba, John P. Weiss, Kai-Han Chang, Thomas A. Seder
  • Publication number: 20240042954
    Abstract: A system for displaying information to an occupant of a vehicle includes a microphone, a camera for capturing images of an environment surrounding the vehicle, a display, and a controller in electrical communication with the microphone, the camera, and the display. The controller is programmed to receive a voice command from the occupant using the microphone, determine at least one characteristic of the requested object based on the voice command, capture an image of the environment using the camera, where the environment includes a relevant object, and to identify a location of the relevant object in the environment based at least in part on the image and the at least one characteristic of the requested object. The controller is further programmed to display a graphic based at least in part on the location of the relevant object in the environment using the display.
    Type: Application
    Filed: August 8, 2022
    Publication date: February 8, 2024
    Inventors: Jacob Alan Bond, Joseph F. Szczerba, Kai-Han Chang
  • Publication number: 20240033166
    Abstract: A rehabilitation device includes a base unit, a circuit unit, a rolling unit, and a holding unit. The circuit unit includes a distance measuring element, which is partially exposed on a bottom surface of the base unit and can measure the moving distance of the base unit after the base unit contacts a plane. The rolling unit includes a plurality of rollers partially protruding from the base unit, a driving member, and at least one auxiliary wheel driven by the driving member. The rollers are continuously in contact with the plane, and the auxiliary wheel is driven to contact the plane. The rollers can make the base unit slide, allowing the user to stretch their upper limbs by themselves. When the user moves to his own limit position, the auxiliary wheel can be driven to gradually increase the moving distance of the base unit, so that the upper limb can be continuously stretched, and the limit of the extension distance and joint movement angle of the upper limb can be gradually increased.
    Type: Application
    Filed: June 9, 2023
    Publication date: February 1, 2024
    Inventors: Yao-Lung Kuo, Chih-Han Chang, Li-Chieh Kuo, Kang-Chin Yang, Yu-Chen Lin, Ping-Han Chuang
  • Publication number: 20240029208
    Abstract: A holographic display system provides a maximum intensity value of an intermediate image to decrease a graphics speckle noise. The system includes an SLM having a display with a hologram generating unit and a plurality of pixels for modulating a beam of coherent light. The system further includes a beam splitter for splitting the beam into an object beam and an intermediate image beam that is associated with an intermediate image having the noise. The system further includes a camera for capturing the intermediate image, in response to the camera receiving the intermediate image beam. The system further includes a computer having a processor and a CRM. The processor is programmed to generate an actuation signal associated with a corrective holographic phase shift to decrease the noise. The SLM modifies in real-time a holographic phase of the beam per pixel, in response to the SLM receiving the actuation signal.
    Type: Application
    Filed: July 20, 2022
    Publication date: January 25, 2024
    Inventors: Manoj Sharma, Kai-Han Chang, Thomas A. Seder
  • Publication number: 20240029599
    Abstract: A system for calibrating a waveguide-based holographic head-up display that projects images upon a windscreen of a vehicle including a light-diffusing panel positioned at a center of an eyellipse to reflect the images projected by the waveguide-based holographic head-up display. An eyebox of the waveguide-based holographic head-up display is positioned at the center of an eyellipse, and the eyebox is divided into a plurality of unit exit pupils. The system also includes a camera positioned to capture the images reflected by the light-diffusing panel and one or more controllers in electronic communication with the waveguide-based holographic head-up display and the camera. The one or more controllers execute instructions to determine a warp map based on a plurality of corrected individual calibration patterns.
    Type: Application
    Filed: July 25, 2022
    Publication date: January 25, 2024
    Inventors: Kai-Han Chang, Thomas A. Seder, Manoj Sharma
  • Publication number: 20240025249
    Abstract: A method for holographic display calibration using phase modulation includes projecting an initial graphic on a windshield of a vehicle, capturing an image of the initial graphic with a camera inside a vehicle, determining a loss function value between the image of the initial graphic captured by the camera and a target graphic, modulating a phase of a light beam generating the initial graphic using the loss function value to generate an updated graphic, and displaying the updated graphic on the windshield of the vehicle.
    Type: Application
    Filed: July 25, 2022
    Publication date: January 25, 2024
    Inventors: Manoj Sharma, Kai-Han Chang, Thomas A. Seder
  • Publication number: 20240025250
    Abstract: A head-up display system for displaying graphics upon a windscreen of a vehicle to provide a driver with a gamified experience includes a driver monitoring system including one or more cameras that determine a location of a head of the driver of the vehicle and an eye location of the driver, a graphic projection module for generating images upon the windscreen of the vehicle, and one or more controllers in electronic communication with the driver monitoring system and the graphic projection module. The controller executes instructions to instruct the graphic projection module to generate a vertical alignment graphic upon the windscreen of the vehicle. The vertical alignment graphic indicates when the eye location of the driver is positioned at a nominal height of an eyebox of the head-up display.
    Type: Application
    Filed: July 25, 2022
    Publication date: January 25, 2024
    Inventors: Guy N. Kennerly, Kai-Han Chang, James W. Wells, Thomas A. Seder
  • Publication number: 20240027756
    Abstract: A head-up display system includes a projector adapted to project an image, a primary reflector, and an exit pupil replicator, the primary reflector adapted to reflect an image projected by the projector to the exit pupil replicator, and the exit pupil replicator adapted to split the projected image into a two-dimensional array of identical projected images having equal intensity.
    Type: Application
    Filed: July 25, 2022
    Publication date: January 25, 2024
    Inventors: Kai-Han Chang, Manoj Sharma, Thomas A. Seder
  • Patent number: 11878214
    Abstract: A method for bicycle fitting includes receiving evaluation factors based on one or more scenario parameters; positioning at least one of a saddle and a handlebar to one or more positions when a user is pedaling; determining values for the evaluation factors according to data received from one or more sensors at the one or more positions; and processing the values to identify one or more recommended positions for the saddle or the handlebar.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: January 23, 2024
    Assignee: GIANT MANUFACTURING CO., LTD.
    Inventors: Ya-Han Chang, Chang-Hsin Hsieh, Pei-Min Wu, Yen-Ching Chu, Sheng-Ho Shu, Jun-Rong Chen
  • Patent number: 11880036
    Abstract: A waveguide head-up display (HUD) includes a waveguide that includes a lower surface and an upper surface and is configured to receive an input and project, based on the input, at least one image from the upper surface and into an eyebox, and a prism arranged at least one of on and above the waveguide. The prism includes a lower surface facing the waveguide and configured to receive the at least one image and an upper surface opposite the lower surface configured to project the at least one image received via the lower surface of the prism. The upper surface of the prism is angled relative to the upper surface of the waveguide such that a first normal of the upper surface of the prism is different from a second normal of the upper surface of the waveguide.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: January 23, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Thomas A. Seder, Kai-Han Chang
  • Patent number: D1013017
    Type: Grant
    Filed: March 3, 2022
    Date of Patent: January 30, 2024
    Assignee: Nextedge Labs, Inc.
    Inventor: Chao-Han Chang