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58 Results for 'Sensors'
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Technology
TRIBOELECTRIC SELF-POWERED PRESSURE SENSOR AND METHOD
Pressure sensors play a vital role in providing valuable information in a wide array of applications, including health monitoring, robotics, and wearable devices. To date, research efforts have greatl...
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Joseph Andrews, Vanessa Barton | P240383US01
Technology
SOIL MOISTURE SENSOR
UW-Madison researchers have developed a battery-less tag that can harvest energy from radio signals above ground and send an active response, which is used to estimate the soil moisture. There are two...
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Bhuvana Krishnaswamy, Yoganand Biradavolu | P240275US01
Technology
Ion Source with Low Turn-On Delay, Jitter
UW-Madison researchers have developed a plasma ion source that exhibits a short delay between voltage application and ion beam initiation with low variance in the observed delay (i.e., jitter). Typica...
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Andrew Seltzman | P170357US01
Technology
High Efficiency Room Temperature Infrared Sensor
UW-Madison researchers have developed a room-temperature infrared sensor with high detection efficiency over a wide IR spectral band. Room-temperature operation makes this technology easier to use tha...
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Hongrui Jiang, Seyyed Mohammad Moghimi | P180031US01
Technology
FABRICATION AND USE OF NANOCOILS ON NITROGEN-VACANCY DIAMOND SUBSTRATES FOR MAGNETIC FIELD DETECTION AND MANIPULATION
UW-Madison researchers have created a spiral inductor for on chip electromagnetic signal conversion. The spiral inductors include an electrically conductive spiral coil and a nitrogen vacancy (NV) dia...
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Aviad Hai, Alireza Ousati Ashtiani, Ilhan Bok, Yash Gokhale | P240082US01
Technology
METHOD FOR TUNING AN ELECTROCHEMICAL DOUBLE LAYER TO GENERATE SOUND REPRESENTATIVE OF PROPERTIES OF THE DOUBLE LAYER
UW-Madison researchers have developed a new way to monitor the behavior of electrochemical double layers (EDL) by bringing them into spontaneous oscillation. The inventors used a modified multivibrato...
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Marcel Schreier, Christine Lucky, Megan Kelly | P230204US02
Technology
SYSTEM AND METHOD FOR FLEXIBLE MULTI-VARIABLE SENSOR
UW-Madison researchers, in conjunction with an industry partner, have developed a printed serpentine trace that can act as both a temperature sensor and a strain/flow sensor. It is integrated on a sin...
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Joseph Andrews, Muhammadeziz Tursunniyaz, Brian Cardwell | P220185US02
Technology
METHODS FOR FABRICATING OPTICAL METASURFACES
Optical metasurfaces enable unprecedented control over electromagnetic wave manipulation. By leveraging powerful resonance mechanisms supported by subwavelength structures arranged in two-dimensional ...
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Filiz Yesilkoy, Yuber Samir Sanchez Rosas, Wihan Adi | P240127US01
Technology
WIRELESS PASSIVE MECHANICAL VIBRATION MONITOR SYSTEM
Real-time vibration sensing is important in a variety of applications in industry, health care, and environmental monitoring. For example, vibration monitoring can assist in the prediction of natural ...
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Chu Ma, Dajun Zhang, Bhuvana Krishnaswamy, Muhammad Shahid | P240131US01
Technology
NON-INVASIVE MULTIPARAMETER SENSOR
In conjunction with their industrial partner, UW-Madison researchers have created a passive capacitive sensor that uses thin-film electrodes placed in an interdigitated pattern to sense a variety of k...
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Joseph Andrews, Brian Cardwell, Muhammadeziz Tursunniyaz | P230430US01
Technology
METHOD AND APPARATUS FOR EVALUATING SOFT MATERIAL PROPERTIES USING NONLINEAR VIBRATIONS
Characterizing the mechanical properties of multiphasic materials can be important in many applications. In the food industry, for instance, such characterization can help evaluate dehydration and aid...
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Melih Eriten, Karthik Yerrapragada, Haocheng Yang | P240104US01
Technology
LONG DISTANCE WIRELESS RADIO TAG WITH RF ENERGY HARVESTING
The range of passive RFID tags is constrained by three factors. The first is that the reflected energy to the reader rapidly decreases with distance between the reader and the RFID tag both with respe...
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Bhuvana Krishnaswamy, Yaman Sangar, Kai Pederson | P230128US02
Technology
APPARATUS AND METHOD FOR DIRECT NITRATE SENSING IN SOIL
Nitrate is a nutrient that helps plants grow, but too much of it can be harmful. Nitrate monitoring can be used to reduce the amount of fertilizer needed, which is better for the environment and can ...
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Joseph Andrews, Jingyi Huang, Aatresha Biswas | P230143US01
Technology
ENERGY HARVESTING MULTISENSOR WILDFIRE MONITORING SYSTEM
Wildfires occur naturally in many ecosystems worldwide; however, the frequency of wildfires has increased in recent years. The United States National Interagency Fire Center reports that the total bur...
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Umit Ogras, Yigit Tuncel, Toygun Basaklar | P240049US01
Technology
NAVIGATION SYSTEM USING CELESTIAL RADIO EMISSIONS
A UW-Madison researcher has developed a celestial guidance system that uses radio imaging of celestial bodies including the galactic plane received by an interferometric antenna array to provide robus...
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Kael Hanson | P220345US01
Technology
SOIL GAS-FLUX MEASUREMENT SYSTEM
Soil produces or consumes gases such as carbon dioxide, methane, nitrous oxide, ammonia, and oxygen through normal biological and geological processes. Current soil gas-flux measurement systems are ex...
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Bhuvana Krishnaswamy, Jingyi Huang, Francisco Arriaga, Christian Martinez, Hendri Winanto, Adam Nygard | P230171US01
Technology
CELL-BASED DNA SENSORS AND METHODS OF USING SAME
UW-Madison researchers have developed cell-based DNA sensors to achieve easy, accurate, and cost-effective detection of pathogens. Using synthetic biology, the inventors engineered the naturally compe...
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Ophelia Venturelli, Yu-Yu Cheng, Zhengyi Chen | P210411US02
Technology
Testing the Strength of Soft Materials
Soft materials are everywhere. In many applications, valuable information about the strength of these materials enables more precise control in everything from cutting and processing soft foods to des...
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Melih Eriten, Corinne Henak | P220230US01
Technology
LIQUID CRYSTAL-INFUSED SLIPPERY ANTI-FOULING SURFACES
Building off their earlier work with LC-infused multilayer films, the inventors developed a method for directly infusing LCs into porous PTFE membranes. The resulting materials have desirable charac...
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David Lynn, Harshit Agarwal | P210229US02
Technology
ELECTROMECHANICAL FORCE SENSOR BASED ON EXTREMA DEGENERACY POINT WITH NONLINEAR RESPONSE
UW-Madison researchers and collaborators from Wesleyan University have shown, using an exceptional point (EP)-based PT-symmetric electromechanical accelerometer, that increases in technical noise can ...
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Ramathasan Thevamaran, Jizhe Cai, Tsampikos Kottos, Fred Ellis, Rodion Kononchuk | P220050US01
Technology
ALKALI METAL OPTICAL CLOCK
UW researchers have invented a Cesium Lattice Optical Clock (CLOC) for high performance and simple operation in a compact form factor. The novel design uses a “forbidden” optical transition in Cs ...
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Mark Saffman, Shimon Kolkowitz, Arjav Sharma | P220217US01
Technology
SYSTEMS AND METHODS FOR DETERMINING MECHANICAL PROPERTIES IN SUBSURFACE FORMATIONS
A UW-Madison researcher has developed a method for predicting subsurface mechanical properties using distributed strain measurements obtained from applied perturbations. The method relies on model cha...
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Jesse Hampton | P190275WO01
Technology
UW-Madison researchers, working in collaboration with researchers from Cornell, developed metal-oxide based liquid crystal (LC) sensors for monitoring catalytic reactions. The inventors used a previou...
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Emmanouil Mavrikakis, Jake Gold, Trenton Wolter, Nicholas Abbott, Nanqi Bao, Huaizhe Yu, Ayushi Tripathi | P220044US01
Technology
BIOLOGICAL SENSING AND COMMUNICATION USING OPTOGENETICS AND ELECTRONICS
UW–Madison researchers have combined the innate sensing capabilities of biological compounds with the power of electronics to create a hybrid “bio-electronic” network. This enables new biosensor...
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Bhuvana Krishnaswamy, Megan McClean | P200351US02
Technology
Capacitive Touch Sensor
A capacitive touch sensor is provided, The capacitive touch sensor includes a plate having an upper surface and lying in a plate plane. A generally planar, first electrode is spaced from the plate alo...
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Hongrui Jiang, Jayer Fernandes | P160417US01