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Multiple RPM indicating tachometer for motor vehicles

  • US 6,781,512 B2
  • Filed: 03/01/2002
  • Issued: 08/24/2004
  • Est. Priority Date: 03/01/2002
  • Status: Expired due to Fees
First Claim
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1. A three-dimensional graphical display apparatus for motor vehicles, the display comprising:

  • a display coupled to an interior portion of a motor vehicle and facing a driver of the motor vehicle, the display being coupled to an output for identifying a revolution per minute (RPM) value of an engine of the motor vehicle;

    a first graphical display portion of the display for outputting a current gear indication of a current gear, the current gear being one of a plurality of gears in the motor vehicle being engaged by the motor vehicle;

    a second graphical display portion of the display for outputting one or more indications of a past gear, the past gear being one of the plurality of gears in the motor vehicle that was engaged before the current gear and is disengaged by the motor vehicle, the second graphical display portion being coupled to the first graphical display portion; and

    a third graphical display portion of the display for outputting an RPM value indication that corresponds to a current RPM value of the engine of the motor vehicle, the RPM value indication being coupled to the output, wherein the current gear indication and the one or more indications of the past gear are displayed simultaneously.

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