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Intelligent remote test/display unit for duct smoke detector

  • US 20070139184A1
  • Filed: 12/21/2005
  • Published: 06/21/2007
  • Est. Priority Date: 12/21/2005
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a control and display device, the device including a display for visually presenting status of at least two different duct sensors, a communications interface, and control circuits coupled to the display and the interface, the control circuits transmit and receive binary or analog commands for the duct sensors via the interface to a displaced recipient.

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