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SIGNAL ALIGNMENT MONITORING SYSTEM AND METHOD OF ASSEMBLING THE SAME

  • US 20100231414A1
  • Filed: 03/12/2009
  • Published: 09/16/2010
  • Est. Priority Date: 03/12/2009
  • Status: Active Grant
First Claim
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1. A signal alignment monitoring system comprising:

  • a signal assembly comprising at least one signal lamp; and

    an alignment monitoring apparatus coupled to said signal assembly, said alignment monitoring apparatus comprising a source for emitting electromagnetic energy and a detector for sensing electromagnetic energy emitted by said source to facilitate determining an alignment of said signal assembly.

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