Patents by Inventor Chang-Hsin Lai

Chang-Hsin Lai 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: 11977408
    Abstract: A multimedia system and a multimedia operation method are provided. The multimedia system includes a signal encoder, a screen, multiple loudspeakers, a processor, and an amplifier circuit. The signal encoder encodes an image signal, an audio signal, and an audio enhancement signal to provide a multimedia signal. The image signal is divided into multiple regional image signals based on multiple display regions. The audio signal includes multiple regional audio signals corresponding to the regional image signals. The processor extracts the image signal, the regional audio signals, and the audio enhancement signal from the multimedia signal and controls the screen to display the image signal. The amplifier circuit adjusts the regional audio signals in response to the audio enhancement signal and provides the adjusted regional audio signals to the loudspeakers.
    Type: Grant
    Filed: April 5, 2022
    Date of Patent: May 7, 2024
    Assignee: Wistron Corporation
    Inventors: Han-Yi Liu, Chang-Hsin Lai
  • Publication number: 20240096342
    Abstract: A processing apparatus and a processing method of a sound signal are provided. In the method, the sound signal is received. A respirator type is identified. The sound signal is modified according to the respirator type. The respirator type is a type of a respirator corresponding to the sound signal. Accordingly, the distortion may be corrected and the accuracy of voice identification may be improved.
    Type: Application
    Filed: January 10, 2023
    Publication date: March 21, 2024
    Applicant: Wistron Corporation
    Inventors: Han-Yi Liu, Chang-Hsin Lai
  • Publication number: 20230244267
    Abstract: A multimedia system and a multimedia operation method are provided. The multimedia system includes a signal encoder, a screen, multiple loudspeakers, a processor, and an amplifier circuit. The signal encoder encodes an image signal, an audio signal, and an audio enhancement signal to provide a multimedia signal. The image signal is divided into multiple regional image signals based on multiple display regions. The audio signal includes multiple regional audio signals corresponding to the regional image signals. The processor extracts the image signal, the regional audio signals, and the audio enhancement signal from the multimedia signal and controls the screen to display the image signal. The amplifier circuit adjusts the regional audio signals in response to the audio enhancement signal and provides the adjusted regional audio signals to the loudspeakers.
    Type: Application
    Filed: April 5, 2022
    Publication date: August 3, 2023
    Applicant: Wistron Corporation
    Inventors: Han-Yi Liu, Chang-Hsin Lai
  • Patent number: 10789677
    Abstract: An image stitching processing method includes: obtaining a first image taken by a first camera module, wherein the first camera module has a first distance from a reference plane; obtaining a second image taken by a second camera module, wherein the second camera module has a second distance from the reference plane; scaling the second image according to a predetermined ratio and stitching the scaled second image with the first image to obtain a third image, wherein the third image has a stitching line between the first image and the scaled second image; determining whether an object image corresponding to an object in the third image is close to or located on the stitching line; identifying the object image to generate an identification confidence value; covering a standard object image on the object image to generate a modified third image; and outputting and displaying the modified third image.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: September 29, 2020
    Assignee: WISTRON CORP.
    Inventor: Chang-Hsin Lai
  • Publication number: 20200134782
    Abstract: An image stitching processing method includes: obtaining a first image taken by a first camera module, wherein the first camera module has a first distance from a reference plane; obtaining a second image taken by a second camera module, wherein the second camera module has a second distance from the reference plane; scaling the second image according to a predetermined ratio and stitching the scaled second image with the first image to obtain a third image, wherein the third image has a stitching line between the first image and the scaled second image; determining whether an object image corresponding to an object in the third image is close to or located on the stitching line; identifying the object image to generate an identification confidence value; covering a standard object image on the object image to generate a modified third image; and outputting and displaying the modified third image.
    Type: Application
    Filed: February 28, 2019
    Publication date: April 30, 2020
    Inventor: Chang-Hsin LAI
  • Patent number: 10288486
    Abstract: An image processing device is provided in the invention. The image processing device includes a main camera, a thermal camera, a G-sensor and a processor. The main camera generates a main image of a scene, wherein the main image has a main-image size. The thermal camera generates a thermal image of the scene, wherein the thermal image has a thermal-image size and the thermal-image size is smaller than the main-image size. The G-sensor generates relative-position information of the main camera and the thermal camera. The processor calculates the offset quantity between the main image and the thermal image, extracts an extracted image from the main image according to the relative-position information, the offset quantity and the thermal-image size, and generates a composite image according to the extracted image and the thermal image.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: May 14, 2019
    Assignee: Winstron Corp.
    Inventor: Chang-Hsin Lai
  • Publication number: 20190063998
    Abstract: An image processing device is provided in the invention. The image processing device includes a main camera, a thermal camera, a G-sensor and a processor. The main camera generates a main image of a scene, wherein the main image has a main-image size. The thermal camera generates a thermal image of the scene, wherein the thermal image has a thermal-image size and the thermal-image size is smaller than the main-image size. The G-sensor generates relative-position information of the main camera and the thermal camera. The processor calculates the offset quantity between the main image and the thermal image, extracts an extracted image from the main image according to the relative-position information, the offset quantity and the thermal-image size, and generates a composite image according to the extracted image and the thermal image.
    Type: Application
    Filed: November 27, 2017
    Publication date: February 28, 2019
    Inventor: Chang-Hsin Lai
  • Patent number: 9057749
    Abstract: A sensing element suitable for sensing an interference signal radiated by an object under test is provided, including a substrate, a ground plane and a sensing antenna. The ground plane is disposed on a first surface of the substrate. The sensing antenna is disposed on the first surface of the substrate and is located on a first side of the ground plane. The sensing antenna and the ground plane are separated by a preset distance. Besides, the sensing antenna is electrically connected to the ground plane through a coaxial wire and receives the interference signal through the ground plane.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: June 16, 2015
    Assignee: Wistron Corporation
    Inventors: Chang-Hsin Lai, Chen-Yu Chou
  • Publication number: 20140084938
    Abstract: A sensing element suitable for sensing an interference signal radiated by an object under test is provided, including a substrate, a ground plane and a sensing antenna. The ground plane is disposed on a first surface of the substrate. The sensing antenna is disposed on the first surface of the substrate and is located on a first side of the ground plane. The sensing antenna and the ground plane are separated by a preset distance. Besides, the sensing antenna is electrically connected to the ground plane through a coaxial wire and receives the interference signal through the ground plane.
    Type: Application
    Filed: May 28, 2013
    Publication date: March 27, 2014
    Applicant: Wistron Corporation
    Inventors: Chang-Hsin Lai, Chen-Yu Chou
  • Patent number: 8558742
    Abstract: A monopole antenna for an electronic device includes a grounding element electrically connected to a ground, a radiating element including a first radiator and a second radiator for transmitting and receiving a wireless signal of a first frequency band, a coupling element electrically connected to the second radiator for transmitting and receiving a wireless signal of a second frequency band, and a feed-in element electrically connected between the second radiator of the radiating element and the grounding element for transmitting the wireless signals of the first frequency band and the second frequency band.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: October 15, 2013
    Assignee: Wistron Corporation
    Inventors: Chen-Yu Chou, Chih-Wei Lee, Chang-Hsin Lai
  • Publication number: 20130063312
    Abstract: A monopole antenna for an electronic device includes a grounding element electrically connected to a ground, a radiating element including a first radiator and a second radiator for transmitting and receiving a wireless signal of a first frequency band, a coupling element electrically connected to the second radiator for transmitting and receiving a wireless signal of a second frequency band, and a feed-in element electrically connected between the second radiator of the radiating element and the grounding element for transmitting the wireless signals of the first frequency band and the second frequency band.
    Type: Application
    Filed: December 7, 2011
    Publication date: March 14, 2013
    Inventors: Chen-Yu Chou, Chih-Wei Lee, Chang-Hsin Lai