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Semiconductor device and sensor system

  • US 10,371,129 B2
  • Filed: 02/13/2017
  • Issued: 08/06/2019
  • Est. Priority Date: 02/26/2016
  • Status: Active Grant
First Claim
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1. A semiconductor device comprising:

  • a power generator;

    a wireless device;

    a sensing device configured to perform sensing;

    a sensing device controller;

    a power switch;

    a power switch controller; and

    a memory,wherein the memory includes a transistor whose channel formation region includes an oxide semiconductor,wherein the power switch and the power switch controller are configured to power off the sensing device controller and the memory when the sensing is not performed,wherein data obtained by the sensing device is transmitted through the wireless device, andwherein the sensing device uses power generated in the power generator.

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