Alloy Tire Antenna for Reliable 800-1000 MHz Data Transfer

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Solution Overview

Problem

Existing electromagnetic transmitting and receiving devices for tires require complex antenna constructions to ensure reliable data transfer, which is inefficient and costly.

Innovation Solution

The use of CuSn6 and CuMg alloys for antenna construction, allowing for simpler and more cost-effective antenna design that maintains sufficient transmission and reception power in the 800 MHz to 1000 MHz frequency band, with wire-shaped or helix-shaped antennas.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If complex antenna designs are used, then reliable data transfer is achieved, but device complexity and manufacturing cost increase

Engineering Contradiction:
Improvedata transfer reliabilityVSAvoidantenna design complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent changes the material parameter of the antenna from conventional materials to CuSn6 or CuMg alloys, which possess superior electromagnetic properties that enable reliable data transfer with simpler antenna geometries. This material parameter change allows the antenna to achieve the same or better performance with reduced structural complexity.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent employs composite alloy materials (CuSn6 or CuMg) that combine copper's high electrical conductivity with tin or magnesium's beneficial properties, creating a material that optimizes electromagnetic performance. This composite material approach enables simpler antenna designs to achieve reliable communication by leveraging the enhanced material properties.

Inventive Principle:
Principle #40Composite materials

2Ease of manufacture

If conventional materials are used for antenna, then material availability is ensured, but processing effort and cost increase

Engineering Contradiction:
Improveantenna processing easeVSAvoidmaterial cost
Core Design Contradiction:
Ease of manufactureVSQuantity of substance

Solution Approach 1:

The patent specifies precise compositional parameters for CuSn6 (5-7% Sn, 0.01-0.4% P) and CuMg (0.09-0.6% Mg) alloys, optimizing the balance between material cost, processability, and electromagnetic performance. These parameter optimizations enable cost-effective manufacturing while maintaining adequate signal transmission capabilities.

Inventive Principle:
Principle #35Parameter changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution provides an improved electromagnetic transmitting and receiving device with reduced effort and cost, ensuring reliable data transfer and enabling the integration of sensor components for tire condition monitoring.

Implementation Method 1

the at least one antenna is made of CuSn6 and/or CuMg... ensure sufficient transmit and receive power of the electromagnetic transmitting and receiving device in a frequency band of 800 MHz to 1000 MHz

Methodology Applied
Scientific EffectElectrical conductivity: Conduction (electrical)

Data Source

PatentEP3918522B1Electromagnetic transceiver device
Publication Date: 2024.06.05 CONTINENTAL REIFEN DEUTSCHLAND GMBH
  • EP3918522B1 patent drawingFigure 1~2
  • EP3918522B1 patent drawingFigure 3~4
  • EP3918522B1 patent drawingFigure 5~6

AI summary

Electromagnetic device The invention is directed to an electromagnetic transceiver device (1) comprising a storage component (2) and at least one antenna (3), said at least one antenna (3) being made of CuSn6 and/or CuZn37 and/or CuMg.