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Wearable Technology Insights
Posted on December 13, 2019 by  & 

Smart Shirt with Integrated Sensors is Opening up New Applications

KARL MAYER has been developing highly efficient technology for producing functional warp knits with electrical conductivity under the concept of TEXTILECIRCUIT for electronic wearables. The special feature of TEXTILE-CIRCUIT is that conductive yarns can be incorporated directly into the textile during the warp knitting process, and they can be positioned in any location and in any design. Functional elements, such as sensors, conductors and coils, can be placed exactly where they are needed. No additional production sequences are needed whatsoever, and the textile characteristics are fully retained. For more information see the IDTechEx report on E-Textiles 2019-2029: Technologies, Markets and Players.
 
In the first stage of the development work, comfortable cuffs for remotely controlling robots, and textile charging stations for the inductive charging of smartphones were produced. A smart shirt with measuring functions was produced during a follow-up project. This functional garment effectively demonstrated the possibilities offered by TEXTILE-CIRCUIT. It measures the heart rate, the moisture levels in the textile, and the temperature of the skin. The sensors needed to do this are integrated into the textile in a single step and transmit their recorded signals via an insulated conductor for processing in a mobile electronic unit. The results can be called up on mobile devices via Bluetooth. As well as delivering functionality, this smart shirt also provides wear comfort. The flexibility of the conductive surfaces and the bi-elasticity of the fabrics deliver freedom of movement, and the textured polyamide filament yarns processed provide a soft touch.
 
 
The performance of TEXTILE-CIRCUIT is opening up completely new market opportunities. "I talked to users from a wide range of sectors during the course of working on the project and attending trade fairs. I was surprised at the wide variety of ideas they came up with for using our textile sensor systems," explains Sophia Krinner. This Product Developer, Textile Technology, at KARL MAYER sees a huge potential for them, especially in the sportswear, workwear and healthcare sectors. Sophie Krinner also said that she had had many enquiries about buying the conductive, warp-knitted textiles and encouraged by this feedback, she is carrying on with her development work. Further stages will focus on improving the finishing of the textile and optimising the sensor technology.
 
Source and top image: Karl Meyer
Learn more at the next leading event on the topic: Healthcare Sensor Innovations USA 2020 External Link on 18 - 19 Nov 2020 at Santa Clara Convention Center, CA, USA hosted by IDTechEx.
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