Patents by Inventor Kai-Lun CHANG

Kai-Lun 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).

  • Data transmission system and data transmission method
    Patent number: 11927799
    Abstract: A data transmission system is disclosed. The data transmission system includes at least one signal processing device, at least one conversion device, at least one antenna device, and at least one flexible printed circuit board. The at least one signal processing device is configured to generate or receive at least one data. The at least one conversion device is configured to transform between the at least one data and an optical signal. The at least one antenna device is configured to obtain the at least one data according to the optical signal, and configured to receive or transmit the at least one data wirelessly. The at least one flexible printed circuit board includes at least one conductive layer and at least one optical waveguide layer. The at least one optical waveguide layer is configured to transmit the optical signal.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: March 12, 2024
    Inventors: Po-Kuan Shen, Chun-Chiang Yen, Chiu-Lin Yu, Kai-Lun Han, Jenq-Yang Chang, Mao-Jen Wu, Chao-Chieh Hsu
  • Method and non-transitory computer-readable storage medium for detecting focus of attention
    Patent number: 11793435
    Abstract: The present disclosure provides a method for detecting the focus of attention. The method includes: obtaining the face of a person in the first image, as well as the result of facial recognition; determining whether the distance between the person and the target is within an effective attention range; determining whether the face is frontal; determining whether the effective attention period is not shorter than a period threshold; detecting the focus of attention for the person to the target.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: October 24, 2023
    Assignee: ACER INCORPORATED
    Inventors: Kuan-Chung Hou, Bo-Ting Wu, Chian-Ying Li, Ming-Hsuan Tu, Chien-Hung Lin, Jian-Chi Lin, Fu-Heng Wu, Kai-Lun Chang, Tsung-Yao Chen
  • METHOD AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM FOR DETECTING FOCUS OF ATTENTION
    Publication number: 20220248997
    Abstract: The present disclosure provides a method for detecting the focus of attention. The method includes: obtaining the face of a person in the first image, as well as the result of facial recognition; determining whether the distance between the person and the target is within an effective attention range; determining whether the face is frontal; determining whether the effective attention period is not shorter than a period threshold; detecting the focus of attention for the person to the target.
    Type: Application
    Filed: March 17, 2021
    Publication date: August 11, 2022
    Inventors: Kuan-Chung HOU, Bo-Ting WU, Chian-Ying LI, Ming-Hsuan TU, Chien-Hung LIN, Jian-Chi LIN, Fu-Heng WU, Kai-Lun CHANG, Tsung-Yao CHEN