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Smart phone scale that uses the built-in barometric pressure sensor or orientation sensors to calculate weight

  • US 9,091,585 B2
  • Filed: 04/12/2013
  • Issued: 07/28/2015
  • Est. Priority Date: 02/08/2013
  • Status: Expired due to Fees
First Claim
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1. A portable weighing assembly comprising:

  • a smart phone having a built-in barometer;

    a substantially airtight enclosure sized to enclose the smart phone;

    wherein the enclosure is arranged to receive an item placed on the enclosure for weighing, and to transfer a weight of the placed item so as to increase a barometric pressure inside the enclosure, for sensing by the smart phone barometer; and

    a weighing application program stored in machine-readable memory in the smart phone, the weighing application program including code executable by a processor in the smart phone to cause the processor to interface with the barometer, and to translate a barometer reading to a weight.

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