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System and method for monitoring a signage system of a transit vehicle

  • US 9,530,336 B2
  • Filed: 12/09/2010
  • Issued: 12/27/2016
  • Est. Priority Date: 12/09/2009
  • Status: Active Grant
First Claim
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1. A sign-monitoring system comprising:

  • at least one electronic sign, the at least one electronic sign comprising;

    a pixel array, the pixel array comprising a plurality of pixels;

    wherein the pixel array comprises a plurality of printed circuit boards (PCBs), each PCB providing a sub-array of the pixel array; and

    an embedded controller coupled to the at least one electronic sign operable to create diagnostic information for the at least one electronic sign;

    wherein the creation of the diagnostic information comprises;

    an analysis of the pixel array as a single matrix; and

    a determination of a number of malfunctioning pixels in at least one of;

    a row of the single matrix, wherein the row spans more than one PCB of the plurality of PCBs; and

    a column of the single matrix, wherein the column spans more than one PCB of the plurality of PCBs; and

    a controller comprising a processor and memory communicably coupled to the embedded controller, wherein the controller;

    receives at least a portion of the diagnostic information from the embedded controller; and

    assesses at least a portion of the diagnostic information to develop health information, the assessment comprising evaluating the information related to the number of malfunctioning pixels.

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