Patents by Inventor Chih-Ling Liu

Chih-Ling Liu 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).

  • INDOOR POSITIONING SYSTEM AND METHOD THEREOF
    Publication number: 20180007508
    Abstract: An indoor positioning method for use in an indoor positioning system is provided. The indoor positioning system includes beacon devices, a mobile device, and a positioning server. The method includes the steps of: utilizing the mobile device to receive a positioning signal from each beacon device and determine distance information between the mobile device and each beacon device; determining a specific primary region in which the mobile device is located according to the distance information between the mobile device and the top beacon devices; determining a precise location in the specific primary region according to the distance information between the mobile device and the planar beacon devices corresponding to the specific primary region; and reporting the precise location to the mobile device, so that the precise location is illustrated on a plan view of the indoor space displayed on the mobile device.
    Type: Application
    Filed: October 14, 2016
    Publication date: January 4, 2018
    Inventors: Tien-Chin FANG, Chen-Chung LEE, Chih-Ling LIU, Ching-Wen LIN, Ming-Jen CHEN, Chia-Hung LIN
  • Indoor positioning system and method thereof
    Patent number: 9860701
    Abstract: An indoor positioning method for use in an indoor positioning system is provided. The indoor positioning system includes beacon devices, a mobile device, and a positioning server. The method includes the steps of: utilizing the mobile device to receive a positioning signal from each beacon device and determine distance information between the mobile device and each beacon device; determining a specific primary region in which the mobile device is located according to the distance information between the mobile device and the top beacon devices; determining a precise location in the specific primary region according to the distance information between the mobile device and the planar beacon devices corresponding to the specific primary region; and reporting the precise location to the mobile device, so that the precise location is illustrated on a plan view of the indoor space displayed on the mobile device.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: January 2, 2018
    Assignee: QUANTA COMPUTER INC.
    Inventors: Tien-Chin Fang, Chen-Chung Lee, Chih-Ling Liu, Ching-Wen Lin, Ming-Jen Chen, Chia-Hung Lin
  • APPARATUS AND METHOD FOR DATA SEARCH
    Publication number: 20140122466
    Abstract: An data search apparatus includes: a storage unit, storing a plurality of data; an input unit, inputting a data name, selecting a plurality of preference sets, and inputting a grading set by a user; a process unit, receiving the data name for searching for a plurality of candidate data from the data stored in a storage unit and generating a ranking result.
    Type: Application
    Filed: March 15, 2013
    Publication date: May 1, 2014
    Applicant: Quanta Computer Inc.
    Inventors: Tien-Chin Fang, Ching-Yu Tsai, Chih-Ling Liu, Ming-Jen Chen, Ching-Wen Lin, Chia-Hung Lin, Chen-Chung Lee, Chun-He Lin