Patents by Inventor Randy V. Cruz

Randy V. Cruz 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).

  • 2-wire push button station control system for a traffic light controlled intersection
    Patent number: 7145476
    Abstract: A 2-wire control system which communicates with a plurality of pole mounted push button stations of the kind that are found at a traffic light controlled intersection via existing pairs of underground wires over which power and data signals are transmitted so as to enable a visually impaired pedestrian to receive both audible and tactile signals regarding the flow of vehicular traffic through the intersection. The 2-wire control system includes a central control unit that is located at a traffic light control cabinet and is connected to a standard traffic signal light controller. The control unit includes a plurality of 2-wire output ports that are connected to respective pairs of the plurality of push button stations.
    Type: Grant
    Filed: August 5, 2004
    Date of Patent: December 5, 2006
    Assignee: Polara Engineering, Inc.
    Inventors: Leslie A. Beckwith, Randy V. Cruz