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Liquid consumption tracker

DC
  • US 9,506,798 B2
  • Filed: 02/01/2016
  • Issued: 11/29/2016
  • Est. Priority Date: 07/25/2014
  • Status: Expired due to Fees
First Claim
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1. A sensor operative to track changes in a liquid level of a hand-held liquid container, the sensor comprising:

  • an liquid-level sensor configured to indicate a liquid level of a liquid in a hand-held liquid container;

    a radio transmitter;

    a processor configured to draw power from a portable power source, receive liquid-level indications from the liquid-level sensor, and cause the radio transmitter to transmit data indicative of changes in the liquid level; and

    a buffer memory, wherein the processor is configured to;

    obtain a plurality of time-stamped indications of levels of the liquid;

    store the plurality of time-stamped indications of levels of the liquid in the buffer memory;

    establish a wireless connection with a computing device via the radio transmitter;

    retrieve the time-stamped indications of levels of the liquid from the buffer memory; and

    convey the time-stamped indications of levels of the liquid to the computing device via the wireless connection.

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