Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Patent
1996-04-10
1999-08-24
Louis-Jacques, Jacques H.
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
With indicator or control of power plant
345134, 324379, 702 68, G09G 536
Patent
active
059419261
ABSTRACT:
An engine analyzer has an oscilloscope screen display operable with a fixed-time sweep. The analyzer includes a data acquisition system for digitizing analog input waveforms and a memory for storing the digitized waveform data, the analyzer including sensors for detecting each cylinder firing and the firing of the no. 1 cylinder for identification of the cylinders. A processor includes trigger means for controlling the triggering of the oscilloscope display at a trigger point which corresponds to the firing of a trigger cylinder which is selectable by the user, so that the displayed waveform data begins with the stored data for the selected trigger cylinder. The user can also selectively vary the location of the trigger point on the screen display.
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Moritz Tyrone J.
Petersen Mark H.
Shepherd Richard H.
Taraki Yosuf M.
Trsar Dale A.
Louis-Jacques Jacques H.
Snap-on Technologies, Inc.
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