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Transmitter for providing inventory or inventory transfer information on a product in a container

  • US 7,765,867 B2
  • Filed: 11/23/2005
  • Issued: 08/03/2010
  • Est. Priority Date: 10/14/2003
  • Status: Active Grant
First Claim
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1. A transmitter for measurement of mass, weight, volume, level and/or density of a product in a vessel, comprising:

  • a level sensor, comprising;

    a conductive probe extending into the vessel, means for generating and sending short electromagnetic pulses down the probe, means for reception of echoes of the pulses reflected at a surface of the product, and means for determining a time of flight needed for a pulse to travel down the probe and its echo to return;

    an optical fiber as a temperature sensor which is integrated in said conductive probe;

    at least one optically analysing pressure sensor, mounted on said conductive probe; and

    a signal processing unit for determining mass, weight, volume, level and/or density based on measurement signals supplied by said level sensor and said at least one optically analysing pressure sensor.

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