Diagnostic connector assembly (DCA) interface unit (DIU)
First Claim
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1. A method for providing diagnostic capabilities to legacy vehicles having analog connector assemblies that output analog signals relating to vehicle health, comprising the steps of:
- attaching a diagnostic interface unit to the analog connector assembly, the diagnostic interface unit having specialized signal conditioning circuits and a digital-to-analog converter coupled to a processor; and
,providing the processor with algorithms to be able to diagnose and prognosticate present and future problems relative to the vehicle and to provide an output of the diagnosis or prognosis information.
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Abstract
In a diagnostics system for use on vehicles, wherein the improvement comprises a connector assembly that translates diagnostic connector assembly signals into a digital format suitable for computer based analysis and fault diagnosis on an individual vehicle and vehicle fleet basis.
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Citations
16 Claims
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1. A method for providing diagnostic capabilities to legacy vehicles having analog connector assemblies that output analog signals relating to vehicle health, comprising the steps of:
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attaching a diagnostic interface unit to the analog connector assembly, the diagnostic interface unit having specialized signal conditioning circuits and a digital-to-analog converter coupled to a processor; and
,providing the processor with algorithms to be able to diagnose and prognosticate present and future problems relative to the vehicle and to provide an output of the diagnosis or prognosis information. - View Dependent Claims (2, 3, 4)
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5. Apparatus for the detecting of signals available from a vehicle for use in diagnosis and prognostication, comprising:
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an analog connector assembly embedded at said vehicle and adapted to provide signals useful in diagnosis and prognostication related to said vehicle; and
,a digital interface unit adapted to be connected to said analog connector assembly and carrying signal conditioning circuits, filtering circuits, multiplexing circuits, and an analog-to-digital converter for converting conditioned and multiplexed signals into digital signals, said digital signals being coupled to a processor, said diagnostic interface unit including an output connector assembly adapted to output signals from said processor to diagnostic or prognosticating computers. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification