Patents by Inventor Bryron L. Zerphy

Bryron L. Zerphy 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).

  • Dynamic message sign display panel communication error detection and correction
    Patent number: 7248229
    Abstract: In accordance with the invention, there is described a sign display panel made up of a controller connected in a serial communication network with a set of display units. Each of the display units receives messages from the controller and detects errors in the messages. The controller sends a series of communication integrity messages to the set of display units. When a display unit receives the communication integrity message, it sends it to the next display unit or back to the controller. If a display unit does not receive a communication integrity message within a set time interval, the display unit sends an error message that is received by the controller.
    Type: Grant
    Filed: December 31, 2003
    Date of Patent: July 24, 2007
    Inventors: Bryron L. Zerphy, Eric J. Zerphy, Meghanad Wagh
  • System and method for rapidly refreshing a dynamic message sign display panel
    Patent number: 7053862
    Abstract: In accordance with the invention, there is described systems and methods for rapidly refreshing a sign display panel. Each display unit of the sign display panel receives a plurality of frames from the controller and stores each frame in memory. The controller then sends a plurality of display instructions. Upon receiving each display instruction, each display unit processes a frame from memory to update the display output device.
    Type: Grant
    Filed: January 6, 2004
    Date of Patent: May 30, 2006
    Inventors: Bryron L. Zerphy, Eric J. Zerphy