Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Mechanical measurement system
Reexamination Certificate
2006-05-30
2006-05-30
Hoff, Marc S. (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Mechanical measurement system
C702S045000, C702S050000, C702S057000
Reexamination Certificate
active
07054760
ABSTRACT:
Fuel flow information is generated in an engine compartment and transmitted for display on the fuel page(s) of a GPS signal receiver located in view of a vehicle operator. A fuel transducer coupled to a pre-programmed micro-controller are provided as an integrated single unit in the engine compartment of the vehicle (e.g., an aircraft). The integrated transducer/micro-controller unit outputs RS232 fuel flow signals to the GPS signal receiver without requiring any extra panel space. Since the transducer/micro-controller is already pre-programmed to compensate for the proportionality or “K” factor, no further calibration or compensation programming is needed at installation time (or when one composite transducer/computer unit is substituted for another). Separate transducer/micro-controller power supply and grounding connections suppress common mode noise. A blinking LED power/fuel flow visual display on the unit in the engine compartment helps trouble shoot power and/or transducer problems.
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Hoff Marc S.
Nixon & Vanderhye P.C.
Suarez Felix
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