Patents by Inventor Lin Chen Han

Lin Chen Han 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).

  • Wireless transmission control apparatus for elevator systems
    Publication number: 20030034209
    Abstract: A wireless transmission control apparatus is used to control movement of an elevator car of an elevator system that is installed in a building, and includes a wireless car calling unit for transmitting a car calling signal wirelessly, a main control unit associated with a machine room of the elevator system, and a car control unit associated with the elevator car. The main control unit includes a machine room transceiver device for receiving the car calling signal, determines whether the car calling signal is legitimate and a right of priority service for the legitimate car calling signal, and wirelessly transmits a car dispatch signal corresponding to the legitimate car calling signal. The car control unit includes a car transceiver device for receiving the car dispatch signal. The car control unit controls the elevator car to move to a specific floor of the building in response to the car dispatch signal.
    Type: Application
    Filed: August 16, 2001
    Publication date: February 20, 2003
    Applicant: Golden Friends Corporation
    Inventors: Po-Loung Tang, Lin Chin Lung, Lin Chen Han