A strain sensor (10) for measuring strain greater than 10%, the sensor (10) comprising: an upper polydimethylsiloxane (PDMS) substrate (20) having measurement electrodes (90) extending therethrough; a lower PDMS substrate (30) bonded to a lower surface of the upper PDMS substrate (20), and an upper .....
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Existing pressure sensing fabrics may involve two portions, i.e., insulating and conductive portions in the fabric, which increases the complexity of the fabric system and more important, and the instablization of the resistance-strain relationship during dynamic deformation which limits the applica.....
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An electrical protection system, which can be connected between an electrical power supply and an electrical load, firstly includes a switch switchable between a normal state in which the switch is electrically connected in series between the power supply and the load such that an operating current .....
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The present invention relates to a microvalve having a valve plug, connecting legs, anchors and actuators, allowing the valve plug to move vertically to open or close the valve. The valve plug can contain magnetic materials, and be operated by an actuator.
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A pressure gauge includes a housing and a mechanical sensor placed in the housing for sensing change of the pressure. A characteristic of the sensor varies in correspondence to the change of the pressure. The gauge also includes an optical fiber, at least part of which is in the housing with a first.....
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