Patents by Inventor Li Juan CHANG

Li Juan 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: 9706819
    Abstract: A handle is mounted on a smart umbrella and contains: a safety device mounted in the handle. The safety device includes a printed circuit board arranged thereon, and the printed circuit board has a bluetooth module and a power module which are fixed on the printed circuit board. The bluetooth module is configured to connect with a bluetooth module of the smart terminal, and when the bluetooth module of the printed circuit board does not connect with the bluetooth module of the smart terminal, the smart terminal sends alert.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: July 18, 2017
    Inventors: Kuo Pao Chen, Ching Chang Ho, Li Juan Chang, Ai Hui Huang
  • Publication number: 20170055651
    Abstract: A handle is mounted on a smart umbrella and contains: a safety device mounted in the handle. The safety device includes a printed circuit board arranged thereon, and the printed circuit board has a bluetooth module and a power module which are fixed on the printed circuit board. The bluetooth module is configured to connect with a bluetooth module of the smart terminal, and when the bluetooth module of the printed circuit board does not connect with the bluetooth module of the smart terminal, the smart terminal sends alert.
    Type: Application
    Filed: February 2, 2016
    Publication date: March 2, 2017
    Inventors: Kuo Pao CHEN, Ching Chang HO, Li Juan CHANG, Ai Hui HUANG