Patents by Inventor Chin Ping Liao

Chin Ping Liao 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).

  • Publication number: 20020044044
    Abstract: A remote control device includes a number of primary emitting devices each having an inbuilt coordinate for showing the location, and each having one or more buttons for entering the requests, and each having an emitting circuit for emitting out the request signal. A receiver device includes a receiving circuit for receiving the request signals, a processor unit for treating the signal, and a displayer for displaying the signal. A number of responding emitting devices may be used for responding and canceling the signal as shown in the displayer.
    Type: Application
    Filed: July 20, 2001
    Publication date: April 18, 2002
    Inventor: Chin Ping Liao