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Aircraft flight data recorder data acquisition system

  • US 4,656,585 A
  • Filed: 02/03/1984
  • Issued: 04/07/1987
  • Est. Priority Date: 02/03/1984
  • Status: Expired due to Fees
First Claim
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1. A data acquistion system for an aircraft flight data recorder responsive to a central processor unit (CPU) for processing a plurality of input signals to provide a digitally encoded signal representative of a selected set of input signals each time the CPU provides a simple command signal, said digitally encoded signal being used by said CPU for generation of recorded flight data information, said data acquisition system comprising:

  • multiplexing means for outputting said selected set of said input signals, each selected input signal set being output responsive to a corresponding address command signal;

    logic means responsive to said single command from said CPU for producing each address command signal; and

    processing means for processing each signal in a selected signal set to supply said digitally encoded signal representative of said selected set of input signals.

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