Patents by Inventor Zexiu Huang

Zexiu Huang 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).

  • Traffic safety caution apparatus for distinguishing running direction of vehicles
    Patent number: 6909962
    Abstract: The present invention discloses a traffic caution apparatus which may distinguish the running direction of vehicles. The apparatus includes a transmitter and a receiver. The transmitter an ultrasonic transmitting unit and a FM stereo transmitting unit. The receiver includes a FM stereo receiving unit, a decoding unit, an ultrasonic receiving unit, a monolithic processor, an analogy switch, a speed recording/reproducing unit, a given voltage unit. The apparatus uses ultrasonic wave to distinguish running direction and speed of vehicles, and can send caution speech information with accuracy to a vehicle whose speed must be limited. The apparatus has expandable function which may provide other caution information, large number of travel and business information to vehicles. This apparatus may substitute travel caution signs.
    Type: Grant
    Filed: October 16, 2001
    Date of Patent: June 21, 2005
    Inventors: Zexiu Huang, Shanshan Zhang
  • Traffic caution device which may identify the running direction of vehicle
    Publication number: 20040030489
    Abstract: The present invention discloses a traffic caution apparatus which may distinguish the running direction of vehicles. The apparatus includes a transmitter and a receiver. The transmitter an ultrasonic transmitting unit and a FM stereo transmitting unit. The receiver includes a FM stereo receiving unit, a decoding unit, an ultrasonic receiving unit, a monolithic processor, an analogy switch, a speed recording/reproducing unit, a given voltage unit. The apparatus uses ultrasonic wave to distinguish running direction and speed of vehicles, and can send caution speech information with accuracy to a vehicle whose speed must be limited. The apparatus has expandable function which may provide other caution information, large number of travel and business information to vehicles. This apparatus may substitute travel caution signs.
    Type: Application
    Filed: September 12, 2003
    Publication date: February 12, 2004
    Inventors: Zexiu Huang, Shanshan Zhang