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PORTABLE DEVICE MAINTENANCE SUPPORT APPARATUS, SYSTEM, AND METHOD

  • US 20140056173A1
  • Filed: 08/20/2013
  • Published: 02/27/2014
  • Est. Priority Date: 08/22/2012
  • Status: Active Grant
First Claim
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1. A portable device maintenance support apparatus comprisingone set of terminals configured to connect to a hybrid communication network performed based on any one of a plurality of protocols, by a compound signal in which an analog signal is superimposed with a digital signal including at least device information, the hybrid communication network being performed between the portable device maintenance support apparatus and a field device, the one set of terminals being common to the plurality of protocols.

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