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TIRE-STATE DETECTION DEVICE

  • US 20170015149A1
  • Filed: 01/26/2015
  • Published: 01/19/2017
  • Est. Priority Date: 02/25/2014
  • Status: Active Grant
First Claim
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1. A tire-state detection device comprising:

  • an electronic component including a detection unit that detects a pressure of a tire; and

    a case that houses the electronic component, whereinthe case includesa box member that houses the electronic component and that has an open surface formed thereon, anda lid member that covers the open surface,the detection unit includesa pressure sensor section having a diaphragm-type element,a sensor control section that controls the pressure sensor section, anda dome-shaped cover member that covers the pressure sensor section and the sensor control section,an inside of the box member having the open surface covered with the lid member is filled with a sealant, andthe diaphragm-type element is made of a ceramic.

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