Patents by Inventor John Ho Lee

John Ho Lee 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).

  • Security alarm system having minimal wiring to CCTV camera
    Publication number: 20070236349
    Abstract: A security alarm system includes a camera, an alarm control panel, a mixer at the camera, a signal processor at or associated with the alarm control panel, and a single cable comprising only two operative conductors extending between the mixer and the signal processor. The cable provides current to the camera via the mixer and provides a tamper circuit as well as conveying video signals to the signal processor.
    Type: Application
    Filed: March 29, 2006
    Publication date: October 11, 2007
    Inventor: John Ho Lee