Patents by Inventor P. C. Leung

P. C. Leung 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).

  • Patent number: 5189412
    Abstract: A remote control for operating a combination ceiling fan and light fixture features a dual microprocessor control. A microprocessor mounted in the remote control includes a clock and may be programmed to operate the ceiling fan and/or light fixture in a timed manner. A microprocessor mounted in the ceiling fan controls fan speed, fan direction, and light intensity. The two microprocessors communicate over the 60 Hz power line between the remote control and the ceiling fan. The remote control features a control panel for inputting commands from the user, as well as a display for displaying fan and light status as well as time. One feature of the display are animated fan and light displays. The animated fan display appears to rotate in the same direction as the ceiling fan and may also indicate fan speed. The animated light display depicts a light bulb with a series of flashing rays emanating therefrom.
    Type: Grant
    Filed: September 11, 1990
    Date of Patent: February 23, 1993
    Assignee: Hunter Fan Company
    Inventors: Vinay Mehta, P. C. Leung