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Search Results - electrical
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Natural mineral tetrahedrite as a direct source of thermoelectric materials
Thermoelectric (TE) materials make possible the direct conversion of waste heat into electricity, potentially improving energy efficiency or providing an alternative energy source. TE materials experience the thermoelectric effect, whereby voltage is generated when there is a temperature gradient within the material. Since 1995, advances in engineering...
Published: 7/21/2014
|
Inventor(s):
Xu Lu
,
Donald Morelli
Keywords(s):
Category(s):
Energy
,
Electrical
,
Materials
110105: Transformer-less Unified Power Flow Controller
The ability to store and shift
electrical
power over time is becoming more important as economies increasingly adopt renewable power sources. Meshed AC power grids have limited controllability and cannot effectively handle congestion of key transmission lines during sporadic peaks and valleys of input power, such as that produced by solar and wind sources....
Published: 7/21/2014
|
Inventor(s):
Fang Peng
Keywords(s):
Power Converter
Category(s):
Electrical
,
Energy
110081: High-Efficiency Power Transistor Gate Drive
Gate-drive technology is traditionally an open-loop passive method that has no real-time control of a semiconductor power device’s switching speed, overshoot, and switching power losses. The technology is unreliable and cannot be optimized over different operating voltages and current conditions. It suffers high transient overshoots at voltage...
Published: 7/21/2014
|
Inventor(s):
Fang Peng
,
Junming Zhang
,
Zhiqian Chen
Keywords(s):
Semiconductor
,
Signal Transduction
,
Switches
Category(s):
Electrical
110073: Synthesis and Processing of Cubic LiLaZrO for Use in Lithium Ion Batteries and Fuel Cells
Lithium ion batteries are used in a wide variety of consumer goods such as cell phones, mp3 players, and digital cameras. These products are becoming increasingly smaller, requiring a smaller battery. Although lithium-based batteries provide superior energy densities over other battery types, lithium is high reactive with water. To safeguard against...
Published: 7/21/2014
|
Inventor(s):
Jeffrey Sakamoto
,
Hyunjoong Kim
,
Yunsung Kim
,
Ryan Maloney
,
Ezhiyl Rangazamy
Keywords(s):
Lithium air battery
,
Lithium Batteries
,
Semi-fuel battery
Category(s):
Chemicals
,
Electrical
,
Energy
110027: 3D Imaging Sensor
Three-dimensional imaging systems are currently of interest for a variety of applications including entertainment, robotics, vehicle safety cameras, topographical mapping, and building engineering. Modern industrial 3D photography uses 3D scanners to detect and record 3D information. The 3D depth information is reconstructed from two images using...
Published: 7/21/2014
|
Inventor(s):
Ning Xi
,
Jing Xu
Keywords(s):
3D
,
3D Sensor
,
Feature-Based Matching
,
Near Infrared Light
Category(s):
Devices
,
Electrical
110016: Temperature Compensation for Floating-Gate Memory Circuit
Nonvolatile computer memory is a type of memory chip that retains its data even when its power supply is turned off. One example is the erasable, programmable read-only memory chip (EPROM). Nonvolatile memory can store multiple bits per cell by storing a range of charge levels in a floating-gate analog memory cell. One of the challenges of floating-gate...
Published: 7/21/2014
|
Inventor(s):
Shantanu Chakrabartty
,
Ming Gu
,
Chenling Huang
Keywords(s):
Analog nonvolatile memory
,
EPROM
,
Floating-Gate
Category(s):
Electrical
090126: Novel Electroactive Polymer-based Flow Sensors for Automotive Systems
Michigan State University’s sensing technology enables potential commercial applications in a broad range of industrial applications where information is needed on a combination of fluid/gas flow rates (e.g., in a line), along with the real-time density/viscosity variation of those fluids or gases. The invention uses electroactive polymer composites...
Published: 7/21/2014
|
Inventor(s):
Guoming Zhu
,
Xiaobo Tan
,
David Hung
Keywords(s):
3D Cursor
,
Automotive
,
Engine Control Module
,
Ethanol
,
Mass Air Flow Sensor
,
Polymers
Category(s):
Mechanical
,
Electrical
,
Devices
090110: Ionic Liquid Thin Layer Sensor
This invention employs ionic liquid (IL) films, which are non-volatile and capable of concentrating gases for subsequent detection. The invention includes multiple electrodes that can be modified with different IL compositions to enhance the selectivity of the sensor. In addition, simultaneous sensing can be carried out with two orthogonal methods...
Published: 7/21/2014
|
Inventor(s):
Yue Huang
,
Andrew Mason
Keywords(s):
Electrochemical Sensor
,
Electrode Array
,
Frequency Response
,
Piezoelectric Sensor
,
Sensor Array
Category(s):
Devices
,
Electrical
080067: Non-Precious Metal Catalysts Synthesized Through a High Pyrolysis Method
Fuel cells convert fuel, like hydrogen or methanol, into
electrical
current to provide power for various applications. There are many types of fuel cells, which vary by material, fuels, and byproducts produced. For example, a hydrogen fuel cell uses a catalytic surface to electrochemically oxidize a fuel to liberate a proton (H+) and capture the...
Published: 7/21/2014
|
Inventor(s):
Scott Calabrese Barton
,
Kothandaraman Ramanujam
,
Vijayadurga Nallathambi
Keywords(s):
Cathode Catalyst
,
Electrocatalysis
,
Fuel Cell
,
Organic Catalysts
Category(s):
Energy
,
Materials
,
Electrical
060129: Multiple-Input Multiple-Output Analog-to-Digital Converter
On-chip signal compression is one of the key technologies driving development of energy efficient biotelemetry devices. Michigan State University’s technology is a novel architecture, called multiple-input multiple-output (MIMO), for analog-to-digital conversion that combines sigma delta conversion with the spatial data compression in a single...
Published: 7/21/2014
|
Inventor(s):
Shantanu Chakrabartty
,
Karim Oweiss
Keywords(s):
Category(s):
Biotechnology
,
Electrical
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