Patents by Inventor Heung Kai Chan

Heung Kai Chan 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).

  • Automatic distress alarming method and its system
    Patent number: 9654951
    Abstract: An automatic distress alarming method includes that: A. a distress alarm automatically sends out a sound and light alarming signal; B. the distress alarm automatically sends a distress signal and a GPS signal to a mobile phone; C. the distress alarm sends out the distress signal and the GPS signal by a manual operation; D. a disconnected distress alarm sends out the distress signal and the GPS signal. And its system includes a microprocessor U1, a driving chip U2, a wireless transmitting module U3, a switching circuit of an angular rate sensor, a GPS circuit, a storage device, a reset button, a manual operation alarming switch, a manual operation communicating switch and a disconnecting alarming button.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: May 16, 2017
    Inventors: Lai Ming Wu, Chui Ha Kung, Michael Tong Chang, Ka Ho Cheung, Heung Kai Chan, Choi Lam Cheung, Hon Wai Chan
  • Automatic distress alarming method and its system
    Publication number: 20170013431
    Abstract: An automatic distress alarming method includes that: A. a distress alarm automatically sends out a sound and light alarming signal; B. the distress alarm automatically sends a distress signal and a GPS signal to a mobile phone; C. the distress alarm sends out the distress signal and the GPS signal by a manual operation; D. a disconnected distress alarm sends out the distress signal and the GPS signal. And its system includes a microprocessor U1, a driving chip U2, a wireless transmitting module U3, a switching circuit of an angular rate sensor, a GPS circuit, a storage device, a reset button, a manual operation alarming switch, a manual operation communicating switch and a disconnecting alarming button.
    Type: Application
    Filed: May 2, 2012
    Publication date: January 12, 2017
    Inventors: Lai Ming Wu, Chui Ha Kung, Michael Tong Chang, Ka Ho Cheung, Heung Kai Chan, Choi Lam Cheung, Hon Wai Chan