Patent application number | Description | Published |
20080218939 | Nanowire supercapacitor electrode - A nanowire super-capacitor electrode for storing electrical energy. The electrode is formed by anodizing a porous membrane having a uniform pore size and diameter, depositing a metal layer on the membrane back, electroplate metal through the pores of the membrane, dissolving the porous membrane. The formed nanowire electrode is placed in an electrolyte to integrate said nanowire into an electrolytic capacitor. | 09-11-2008 |
20080268298 | POWER SOURCE WITH CAPACITOR - A power generator includes a hydrogen producing fuel and a fuel cell stack layer that includes a proton exchange membrane. An anode layer and a cathode layer are disposed on opposite surfaces of the fuel cell stack. A capacitor layer is integrated with the other layers and electrically coupled to the anode layer and the cathode layer. | 10-30-2008 |
20080268299 | Power source with capacitor - A power generator includes a hydrogen producing fuel and a fuel cell stack layer that includes a proton exchange membrane. An anode layer and a cathode layer are disposed on opposite surfaces of the fuel cell stack. A capacitor layer is integrated with the other layers and electrically coupled to the anode layer and the cathode layer. | 10-30-2008 |
20090114090 | ADSORPTIVE GAS SAMPLER USING IONIC NANO-DROPLETS - A gas sampling canister has an electrospray nozzle for creating an ionic fluid electrospray plume. A gas sample is intake positioned to provide a gas sample flowing through the ionic fluid electrospray plume. A cooled counter electrode is positioned to collect the electrospray plume such that selected chemicals in the gas sample are captured by ionic fluid accumulating on the cooled counter electrode. A system and method for sampling gas are also described. | 05-07-2009 |
20090219525 | SYSTEM AND METHOD FOR PORTABLE RAMAN SPECTROSCOPY - One embodiment includes a method that includes scanning a plurality of specimens with a laser by moving the laser according to coordinates for laser movement and measuring a distance for each of the plurality of specimens, associating location information with each of the specimens of the plurality of specimens based on its distance from the laser and its coordinates for laser movement, recording a Raman spectrum for the plurality of specimens, associating a Raman spectrum with each specimen of the plurality of specimens and indicating a Raman spectrum and location information for at least one specimen. | 09-03-2009 |
20090320561 | PHOTOACOUSTIC CELL - Embodiments of the apparatus, systems, and methods relate to a photoacoustic cell including an excitation source, a chamber, and a quantum dot substrate between the excitation source and the chamber. The excitation source generates a light spectrum. The quantum dot substrate, when subjected to the light spectrum, emits a specific wavelength of light to be received by the chamber. The photoacoustic cell apparatus may be part of a portable gas sensing system, and may be used to detect and measure the concentration of one or more gases. Additional apparatus, systems, and methods are disclosed. | 12-31-2009 |
20100027012 | PHOTOACOUSTIC SPECTROSCOPY SYSTEM - A system for providing photoacoustic spectroscopy. A light source having a quantum dot filter may provide a band of infrared light which is to be reflected by a lamellar grating to a photoacoustic chamber. The light may be modulated by the grating. The chamber may contain a sample of fluid for which spectral information is sought. A sensor may detect acoustic pressures in the chamber which indicate the spectral information. Signals from the sensor may be processed and displayed. Identification and concentration of certain substances in the fluid may be obtained. | 02-04-2010 |
20100045998 | PHOTOACOUSTIC SENSOR - Embodiments of the apparatus, systems, and methods relate to a photoacoustic sensor includes an excitation source, a modulator, a quantum dot filter, an interferometer, a gas chamber, and a microphone. The excitation source generates a monochromatic light. The modulator intensity modulates the monochromatic light at a first modulation frequency. The quantum dot filter down converts the modulated monochromatic light into a broadband spectrum of infrared light. The interferometer further intensity modulates the broadband spectrum such that the at least one wavelength component of the broadband spectrum is further intensity modulated at a second modulation frequency. The gas chamber stores a sample gas and receives the plurality of modulated wavelength components. The microphone detects pressure changes within the gas chamber to produce an acoustic signal, which can be used to analyze properties of the sample gas. | 02-25-2010 |
20100313953 | NANO-STRUCTURED SOLAR CELL - A solar cell includes a first electrode and an array of ordered electron conductive nanostructure films electrically coupled to and supported by the first electrode. A plurality of quantum dot absorbers are attached to the electrically conductive nanostructure films. A hole conducting material is diffused between the electron conductive nanostructure films, and a second electrode is electrically coupled to the hole conducting material. | 12-16-2010 |
20120075618 | PHOTOACOUSTIC SENSOR - Embodiments of the apparatus, systems, and methods relate to a photoacoustic sensor includes an excitation source, a modulator, a quantum dot filter, an interferometer, a gas chamber, and a microphone. The excitation source generates a monochromatic light. The modulator intensity modulates the monochromatic light at a first modulation frequency. The quantum dot filter down converts the modulated monochromatic light into a broadband spectrum of infrared light. The interferometer further intensity modulates the broadband spectrum such that the at least one wavelength component of the broadband spectrum is further intensity modulated at a second modulation frequency. The gas chamber stores a sample gas and receives the plurality of modulated wavelength components. The microphone detects pressure changes within the gas chamber to produce an acoustic signal, which can be used to analyze properties of the sample gas. | 03-29-2012 |
20130002376 | MISALIGNMENT TOLERANT CONTACTLESS RF COUPLING DEVICE - Some embodiments relate to a contactless RF coupling device that includes a first substrate and a second substrate. The RF coupling device may provide a broadband, low loss electrical connection without mechanical contact as would a conventional mechanical connector. The first substrate includes a first ground plane on one side and a first transmission line on an opposing side. The first transmission line includes an enlarged first coupling member at an end of the first transmission line. The second substrate includes a second ground plane on one side and a second transmission line on an opposing side. The second transmission line includes an enlarged second coupling member at an end of the second transmission line. The first ground plane may not extend under the first coupling member and the second ground plane may include an opening that is aligned with the second coupling member. | 01-03-2013 |
20130048844 | LIGHT COLLECTOR DEVICES - Light collector devices and methods of operating light collector devices are described herein. One or more embodiments include a plurality of apertures, and a detector coupled to each of the plurality of apertures. | 02-28-2013 |
20130134315 | PARTICLE BASED NEUTRON DETECTOR - A method and device include a conductive base layer, a semiconducting layer supported by and electrically coupled to the base layer, the semiconductor layer have integrated gadolinium nanoparticles presenting a high cross section to neutron particles, and a conductive top layer electrically coupled to the semiconductor layer, wherein the base layer and top layer are disposed to collect current from electrons resulting from neutron interactions with the gadolinium nanoparticles. | 05-30-2013 |