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Method and apparatus for safe CT scanner button presses

  • US 6,751,688 B1
  • Filed: 02/17/2000
  • Issued: 06/15/2004
  • Est. Priority Date: 02/17/2000
  • Status: Expired due to Term
First Claim
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1. A method for efficiently and reliably communicating button presses electronically on a serial network from one or more push button nodes each having at least one push button, to a master node, said method comprising the steps of:

  • generating status messages indicative of a state of the at least one push button at each of the push button nodes when the at least one push button is pressed and generating status messages indicative of a state of the at least one push button at each of the push button nodes when the at least one push button is not pressed;

    communicating the status messages to the master node via the network;

    determining, at the master node, the state of the push buttons at each of the push button nodes from the communicated status messages; and

    triggering a response of the master node, in accordance with the statuses of the push buttons determined from the communicated status messages.

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