System for measuring pressure and/or temperature of a tire
AssigneeHyundai Motor Company and Kia Motors Corporation
InventorsJin Ho Park, Jin Wook Burm
Life of this patent
Estimating the term…
Abstract
In a system for measuring pressure and/or temperature of a tire, reflectivity of reflectors is significantly enhanced and manufacture is significantly easier, since the system is provided with a board, an antenna provided to the board in order to send/receive a micro-wave to/from an external device, an IDT (inter-digital transducer) provided to the board and transducing the micro-wave into SAW (Surface Acoustic Wave), a waveguide part forming at least one looped channel of a polygonal shape on the board, the polygonal shape comprising a corner located at the IDT, and a plurality of reflectors provided to the at least one looped channel at corners different from the corner located at the IDT.
Claims11
A system for measuring pressure and/or temperature of a tire, comprising:
- a board;
- an antenna provided to the board in order to send/receive a micro-wave to/from an external device;
- an inter-digital transducer provided to the board and transducing the micro-wave into a surface acoustic wave;
- a waveguide part forming at least one looped channel of a polygonal shape on the board, the polygonal shape comprising a corner located at the inter-digital transducer;
- and
- a plurality of reflectors provided to the at least one looped channel at corners different from the corner located at the inter-digital transducer.
A system for measuring pressure and/or temperature of a tire, comprising:
- a board;
- an antenna provided to the board in order to send/receive a micro-wave to/from an external device;
- an inter-digital transducer provided to the board and transducing the micro-wave into a surface acoustic wave;
- a waveguide part forming at least one looped channel of a polygonal shape on the board, the polygonal shape comprising a corner located at the inter-digital transducer, wherein the waveguide part comprises a material for absorbing the surface acoustic wave, whereby the surface acoustic wave remains substantially within the looped channel;
- and
- a plurality of reflectors provided to the at least one looped channel at corners different from the corner located at the inter-digital transducer.
Dependencies are inferred from the claim text.