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Oscilloscope with detection of anomalous events during blind intervals

  • US 5,841,286 A
  • Filed: 02/17/1995
  • Issued: 11/24/1998
  • Est. Priority Date: 07/07/1993
  • Status: Expired due to Term
First Claim
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1. An oscilloscope comprising:

  • a trigger circuit connected to detect a trigger event in the input signal for initiating display of a waveform of an input signal in response to the trigger event, the trigger event being the occurrence of a predefined behavior of the input signal,display means for displaying the waveform in response to the initiation of the trigger circuit,at least one detection circuit independent of the trigger circuit and responsive to the input signal for detecting occurrence of an anomalous event in the input signal during a blind interval of a measurement cycle of the oscilloscope, the blind interval being an interval during which the oscilloscope is unable to process the input signal to produce a waveform display, andmeans for responding to the occurrence of the anomalous event by either recording the occurrence of the anomalous event or communicating the occurrence of the anomalous event to an operator.

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