Patents by Inventor Man Fong CHU

Man Fong CHU 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).

  • Waterproof housing for digital devices having capacitive touch screen and its actuator mechanism
    Patent number: 9170690
    Abstract: An actuator mechanism for actuating a capacitive touch screen of a digital device held in a waterproof housing includes an actuator shaft extending through an opening formed on the housing, a press button connected to an outer end of the shaft, a probe head connected to an inner end of the shaft, and a biasing member adapted to urge the probe head away from the touch screen, whereby pushing the press button against the biasing force moves the probe head towards and in contact with the touch screen. A waterproof housing having actuator mechanisms is also disclosed.
    Type: Grant
    Filed: September 30, 2012
    Date of Patent: October 27, 2015
    Inventor: Man Fong Chu
  • WATERPROOF HOUSING FOR DIGITAL DEVICES HAVING CAPACITIVE TOUCH SCREEN AND ITS ACTUATOR MECHANISM
    Publication number: 20130082963
    Abstract: An actuator mechanism for actuating a capacitive touch screen of a digital device held in a waterproof housing includes an actuator shaft extending through an opening formed on the housing, a press button connected to an outer end of the shaft, a probe head connected to an inner end of the shaft, and a biasing member adapted to urge the probe head away from the touch screen, whereby pushing the press button against the biasing force moves the probe head towards and in contact with the touch screen. A waterproof housing having actuator mechanisms is also disclosed.
    Type: Application
    Filed: September 30, 2012
    Publication date: April 4, 2013
    Inventor: Man Fong CHU
  • Control panel with push buttons for waterproof case for smart phone
    Patent number: D691969
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: October 22, 2013
    Assignee: Zear Corporation Limited
    Inventor: Man Fong Chu
  • Waterproof case for smart phone
    Patent number: D704929
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: May 20, 2014
    Assignee: Zear Corporation Limited
    Inventor: Man Fong Chu