DEVICES AND METHOD FOR MONITORING THE FORM OF THREE-DIMENSIONAL OBJECTS
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Abstract
Devices for monitoring the deformation of three-dimensional objects thanks to the presence of sensors integrated in the device are described.
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Citations
25 Claims
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1-14. -14. (canceled)
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15. Device for monitoring the form of a three-dimensional object or mechanical deformation field, comprising
a flexible substrate; -
a plurality of sensors being provided on the substrate; and wires provided to connect the sensors with acquisition electronics; wherein the sensors are made of electrically conductive elastomers having piezoresistive effects if mechanically stimulated, wherein the plurality of sensors comprise groups of sensors being formed as consecutive portions of a conductive strip of said conductive elastomer material, wherein the consecutive portions are defined through the wires provided on the substrate contacting the strip, and wherein the wires are made of electrically conductive elastomers.
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22. Template for the production of a device for monitoring the form of a three-dimensional object or mechanical deformation field, the device having a flexible substrate, a plurality of sensors being provided on the substrate and wires provided to connect the sensors with acquisition electronics;
- the template comprising a sheet of adhesive material on which a vector drawing is printed, starting from a drawing of the arrangement of the group comprising sensors and wires on a virtual model so that all the factors necessary for their construction can be taken into consideration.
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23. Process for preparing a device for monitoring the form of a three-dimensional object or mechanical deformation field using a template, comprising the steps of:
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cutting the desired template onto an adhesive sheet that is placed on the substrate in which the sensors are to be integrated; application of the elastomer solution to the fabric to be treated by spreading it evenly over the template so that it can be deposited on the substrate along the cuts in the template; placing the coated substrate and template in an oven at a temperature of approximately 120°
Celsius for approximately 15 minutes to achieve the evaporation of the solvent, the vulcanization and subsequent adhesion of the elastomer to the substrate;cooling the mixture and template; and removing the template from the substrate.
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24. Garment for monitoring postural data, provided with a device with sensors, the garment especially being a cloth, glove, stocking, sock, etc.
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25. Method of measurement using a device for monitoring the form of a three-dimensional object or mechanical deformation field, the device comprising a flexible substrate, a plurality of sensors being provided on the substrate, and wires provided to connect the sensors with acquisition electronics, wherein the sensors are receiving a constant current from a constant current generator, whereas the wires are connected to high impedance amplifiers, so that every sensor can be read separately.
Specification