Patents by Inventor Xiaotang Sun

Xiaotang Sun 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).

  • Mechanical numeral wheel counter that can output switch signals and a method of reading the switch signals
    Patent number: 6712263
    Abstract: A mechanical numeral wheel counter comprising several numeral wheels and switch sensors set alternatively around the numeral wheels. The circumferences of the numeral wheels are divided into equal spaces and a sensing material is placed on each of the spaces. As the numeral wheels rotate, the status of each sensor will be different when the numeral wheel is at different position. Signals output from the sensors are processed by a computer capable of reading and recognizing the signals. A standard digital wave form can be obtained from the processed signals received by the computer from the sensors.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: March 30, 2004
    Inventor: Xiaotang Sun
  • Mechanical numeral wheel counter that can output switch signals and a method of reading the switch signals
    Publication number: 20020092902
    Abstract: A mechanical numeral wheel counter comprising several numeral wheels and switch sensors set alternatively around the numeral wheels. The circumferences of the numeral wheels are divided into equal spaces and a sensing material is placed on each of the spaces. As the numeral wheels rotate, the status of each sensor will be different when the numeral wheel is at different position. Signals output from the sensors are processed by a computer capable of reading and recognizing the signals. A standard digital wave form can be obtained from the processed signals received by the computer from the sensors.
    Type: Application
    Filed: March 16, 2001
    Publication date: July 18, 2002
    Inventor: Xiaotang Sun