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Monolithic High Voltage Impulse Amplifier Using HBT

A novel amplifier has been developed that is capable of producing significantly more power in comparison to currently existing amplifiers. The given impulse amplifier is able to generate narrow impulses with high amplitudes, high gain, high efficiency, and is compact in size. The amplifier also contains additional control circuits designed for fine-tuning...

Published: 10/20/2009 | Inventor(s): James Hwang, Subrata Halder, Renfeng Jin

Keywords(s):

Category(s): Electronics

Bilinear Algorithms and VLSI Implementations of Forward and Inverse MDCT with Applications to MP3 Audio (Technology#: 010408-03)

Professionals in the music and movie industries are constantly looking for quicker audio processing techniques. Forward and inverse modified discrete cosine transforms (MDCT/IMDCT) are used for the practical applications of hardwired circuiting for MP3 audio encoding and decoding.The given technology uses bilinear algorithms to compute (MDCT/IMDCT)...

Published: 10/14/2009 | Inventor(s): Xingdong Dai, Meghanad Wagh

Keywords(s):

Category(s): Electronics

"Rainbow" Trapping and Releasing for Surface Waves: An Ultra-Wide Band Slow Light Structure (Technology #: 072808-01)

This technology involves the slowing of light through the use of plasmonic grated structures, known as Surface Plasmon Polaritons (SPP), for applications such as on-chip integrated optical circuits, surface or interface technology, data storage, and biosensing . The structure is able to trap light over a large spectral band and at various temperatures....

Published: 10/20/2009 | Inventor(s): Qiaoqiang Gan, Zhan Fu, Yujie Ding, Filbert Bartoli

Keywords(s): Biosensors, Communications, Optical Integrated Circuits, Optics, Photonics

Category(s): Optical Networking and Sensors

Infrared Detector (Technology #: 052808-01)

The given invention features a novel device for bolometric sensing of incident mid and far IR radiation. The technology employs a freestanding entangled 2-dimensional network of single walled carbon nanotubes (SWCNT). Such suspended SWCNT networks have a large bolometric response over a wide temperature range, including room temperature. They have...

Published: 10/20/2009 | Inventor(s): Himanshu Jain, Jiri Cech, Venkataraman Swaminathan

Keywords(s): Detection, Nanotechnology, Sensor

Category(s): Electronics

Staggered InGaN Quantum Wells for Improved Active Media for Light Emitting Diodes and Lasers (Technology #: 122406-02)

The given technology involves a novel method in achieving high-efficiency Group III-Nitride light emitting diodes and laser diodes emitting in the visible regime (wavelengths between 420-nm and 650-nm) for use in solid state lightings and medical applications. The current state of the art suffers from poor performances due to low optical gain. The...

Published: 10/14/2009 | Inventor(s): Nelson Tansu, Ronald Arif, YiK-Khoon Ee, Hongping Zhao

Keywords(s): Biomedical Applications, DVD lasers, LED's, Light Emitting Diodes

Category(s): Electronics

Fabrication of Functionally Graded Transitions for Joining Dissimilar Alloys (Technology#: 070507-01)

Laser Engineered Net Shaping (LENS) is the tool by which graded transition joints are made from dissimilar alloys. LENS is a tool that uses a computer controlled laser system integrated with dual powder feeders. The dual powder feeders can be controlled independently so that the composition can be changed at various locations within the part for...

Published: 10/20/2009 | Inventor(s): John Dupont, Jeffrey Farren

Keywords(s): Welding

Category(s): Materials and Nanotechnology

Novel Fabrication Method for Micro-Porous Alumina-Based Ceramics (Technology #: 060308-01)

The given invention provides a low-cost novel fabrication method for micro-porous Al2O3 and its composites. Potential applications are expected in the aerospace industry as wick materials with suitable morphological characteristics (porosity ~ 50%, pore size ~ 1 micron) and sufficient strength. They could also be used as a catalyst support in the...

Published: 11/12/2009 | Inventor(s): Helen Chan, Martin Harmer, Suxing Wu, William Powell, Jentung Ku

Keywords(s): Nanotechnology, Porous Alumina

Category(s): Materials and Nanotechnology

A Microreactor for Hydrogen Production by Catalytic Methanol Reforming (Technology #: 121903-01)

Portable electronic devices are constantly increasing in functionality, and thus continue to require increased amounts of power to maintain operation. Although rechargeable batteries have been instrumental in running laptops, cellular phones, digital cameras, and handheld computers, their charge carrying capacity is quickly approaching the theoretically...

Published: 9/7/2009 | Inventor(s): Mayuresh Kothare, Ashish Pattekar

Keywords(s): Fuel Cell, Microreactor, Power

Category(s): Energy and Environment

Method for the Destruction of Methylene Iodide (Technology #: 050895-01)

This technology describes a method for decomposing methylene iodide, including the following steps: providing a hydrophobic sorbent zeolite, exposing the zeolite to methylene iodide in the presence of water or water vapor, so that the methylene iodide is adsorbed on the water, heating the zeolite to a first temperature of at least 100 degrees celcius...

Published: 9/8/2009 | Inventor(s): Dale Simpson

Keywords(s): Water Treatment

Category(s): Gas/Liquid Treatment

Method and Apparatus for Characterizing Coal Tar in Soil (Technology #: 012704-01)

The present invention provides a method and apparatus or system for determining an amount of coal tar that can enter, and subsequently be displaced from, a given type of soil for a range of depths of the soil. The method and apparatus also provide verification of the pressure at which coal tar can be displaced from a given type of soil. In particular,...

Published: 9/4/2009 | Inventor(s): Derick Brown, Horace MoO-Young

Keywords(s): Soil Treatment

Category(s): Energy and Environment

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