Device for acquiring information regarding the inside of a tire
AssigneeBridgestone Corporation
InventorShigeru Yamaguchi
Life of this patent
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Abstract
A tire inside information acquiring device (100) attached inside a tire-wheel assembly, includes a housing body (10) configured to house a receiving antenna for receiving a radio signal and an electronic circuit unit connected to the receiving antenna, the electronic circuit unit constitutes the tire inside information acquiring device (100), and a substrate (40) on which the housing body (10) and a component constituting the tire inside information acquiring device (100) are disposed. The housing body (10) is formed of a nonmetallic inorganic material. The component is only formed of parts having water resistance.
Claims5
A tire inside information acquiring device attached inside a tire-wheel assembly and configured to acquire tire inside information, which is information on the inside of the tire, the tire inside information acquiring device comprising:
- an electronic circuit unit;
- a housing body configured to house the electronic circuit unit;
- and a sealing mean configured to hermetically seal the housing body with no gaps, a substrate on which a component constituting the tire inside information acquiring device and the housing body are disposed, wherein the housing body is formed of a nonmetallic inorganic material, and a gap is formed between the housing body and the substrate˜a substrate on which the housing body and a component constituting the tire inside information acquiring device are disposed;
- and an outer housing body configured to house the housing body and the substrate;
- wherein the outer housing body is formed of a nonmetallic material, the housing body is disposed on one surface of the substrate, the component is disposed on another surface of the substrate, and a sealant is filled in a substrate housing portion with the substrate housed in the outer housing body in a way that the one surface of the substrate is positioned closer to an opening surface;
- wherein the housing body is interposed between the gap and the sealant.
Dependencies are inferred from the claim text.