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Maintenance monitor device, and program and recording medium for the same

  • US 9,947,150 B2
  • Filed: 11/05/2013
  • Issued: 04/17/2018
  • Est. Priority Date: 11/08/2012
  • Status: Active Grant
First Claim
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1. A maintenance monitor device to display a graph of numerical data of three or more of a plurality of display items, the display items to be related to a diesel engine mounted on an industrial vehicle, simultaneously on a monitor screen, the three or more of the plurality of display items to be selected optionally from display items of the diesel engine, the maintenance monitor device comprising a central processing unit and a memory storing instructions:

  • wherein the central processing unit is configured to execute the instructions stored on the memory to;

    display, responsive to accessing the stored instructions, a list of the display items on the monitor screen;

    display, responsive to accessing the stored instructions, three or more display items from the list of the display items selected optionally by a cursor;

    display, responsive to accessing the stored instructions, a graph of numerical data related to the three or more display items on the monitor screen in accordance with graph axes, the graph axes to include a first axis which includes a time axis and a second axis which includes a scale to be different based, at least in part, on the display item; and

    a second axis display to display only one scale to correspond to one of the display items indicated by the cursor on the second axis included in the graph axes,wherein the central processing unit is configured to execute the stored instructions to, when the cursor overlaps with one of the display items displayed on the list of the display items, trigger the second axis to display the scale corresponding to the one of the display items overlapping with the cursor on the second axis when the one of the display items overlapping with the cursor is one of the display items selected, andwherein the central processing unit is configured to execute the stored instructions to, when the cursor overlaps with one of the display items displayed on the list of the display items, maintain the scale displayed on the second axis when the one of the display items overlapping with the cursor is not one of the display items selected,orwherein the central processing unit is configured execute the stored instructions to, when the cursor overlaps with one graph line of a plurality of graph lines which are displayed on the graph and which correspond to the three or more display items, trigger the second axis to display the scale corresponding to the display item which corresponds to the one graph line overlapping with the cursor on the second axis when the display item which corresponds to the one graph line overlapping with the cursor is one of the display items selected, andwherein the central processing unit is configured execute the stored instructions to, when the cursor overlaps with one graph line which is displayed on the graph and which corresponds to three or more display items, maintain the scale displayed on the second axis when the display item which corresponds to the one graph line overlapping with the cursor is not one of the display items selected.

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