Patent application number | Description | Published |
20130214984 | BROADBAND ELECTROMAGNETIC BAND-GAP (EBG) STRUCTURE - An electromagnetic bandgap structure comprising a progressive cascade of a plurality of patterns of cells. The cells of each pattern are dimensioned so that each pattern has a reflection phase response centered at a different, but closely-spaced, frequency compared with the reflection phase response of an adjacently positioned pattern, so that the combined reflection phase response of the plurality of patterns provides a continuous wideband operational range. | 08-22-2013 |
20130243334 | System and Method for Image Enhancement and Improvement - A method and system for improving picture quality of images by providing a series of frames of a given region of interest. One embodiment for a method includes: determining the value of each pixel at each location within each frame to form a first array of pixel values for each frame; determining the overall intensity of each frame; determining the product of the overall intensity and the array of pixel values for each frame; determining the sum of the products by adding together the products of the overall frame intensity and first array of pixel values for each frame; determining the average of the sum of products by dividing the sum of products by the number of frames in the series of frames; determining the average value of each pixel at each pixel location for the series of frames to form a second array of average pixel values; determining the average overall frame intensity for the series of frames; determining a second product of the second array of average pixel values and the average overall frame intensity; subtracting the second product from the first product to provide an improved image of the region of interest. Other improvement embodiments are also disclosed. | 09-19-2013 |
20140060189 | NEAR-IR LASER-INDUCED VIBRATIONAL OVERTONE ABSORPTION SYSTEMS AND METHODS FOR MATERIAL DETECTION - Embodiments of present invention are directed to near infrared (IR) laser-induced vibrational absorption systems and methods for material detection. According to one embodiment, a system for detecting materials may include: at least one laser configured to output light in the near IR spectrum so as to excite at least one vibrational overtone frequency, at least one combination band frequency, or a combination thereof, of a sample comprised of one or more of materials; a detector configured to detect a physical phenomenon of the sample in response to laser excitation; and an analyzer configured to the analyze the detected physical phenomenon and to identify the one or more materials based comparison of the detected signatures with known signatures of one more materials. | 03-06-2014 |
20140100768 | METHODS FOR ROBOTIC SELF-RIGHTING - Embodiments of the present invention are directed to methods of autonomously self-righting a maneuverable robot. In one embodiment, an autonomous method for self-righting a maneuverable robot to affect recovery from an overturned state to its nominal upright configuration may include: defining a convex hull and center of mass of each link of the robot; determining the convex hull and overall robot center of mass for each joint configuration of the robot; analyzing each convex hull face to determine its stability or instability; grouping continuously stable orientations of the robot and joint configurations together defining nodes and transitions there between; assigning a cost to transitions between nodes; computing an overall cost for each potential set of transition costs resulting in achievement of the goal; and determining a sequence of one or more actions to self-right the robot such that the sequence of actions minimizes the overall cost of self-righting the robot. | 04-10-2014 |
20140172353 | Method and Apparatus for Estimating Position of a Ferromagnetic Object - A method and apparatus for detecting a magnetic object comprising detecting change in a total magnetic field of an area along a first path and a second path of a magnetic sensor, fitting data points of the detected change from the first path and the second path to a curve by varying a first plurality of variables and a second plurality of variables until a best fit is achieved, calculating a first circle based on the first plurality of variables and a second circle based on the second plurality of variables and determining a position of the magnetic object at the intersection of the first and second circle. | 06-19-2014 |
20140175514 | RING-SHAPED TRANSISTORS PROVIDING REDUCED SELF-HEATING - A ring-shaped transistor includes a set of gates. Each gate of the set is disposed between a corresponding source and a corresponding drain. The set of gates are arranged such that all of the set of gates cannot be aligned with fewer than three imaginary straight lines drawn through the gates, with one of the imaginary straight lines passing only once though each of the set of gates. | 06-26-2014 |
20140232598 | RF SYSTEM WITH INTEGRATED PHASE SHIFTERS USING DUAL MULTI-PHASE PHASE-LOCKED LOOPS - An RF system comprising of outputs to an electronically scanning antenna for radiating electromagnetic energy; at least one waveform generator; two multiphase phase-locked loops integrated with the waveform generator, the phase locked loops operating to provide multiple shifted phases to a waveform. Optionally, the two multiphase phase-locked loops may each be divided down by a bank of frequency dividers to further increase the number of phase shifts. The phases generated from each multiphase phase-locked loops are selected with multiplexers then mixed together. These upper or lower sidebands are then mixed with the up converted waveform which results in a phase shift for the waveform associated with each antenna element. | 08-21-2014 |
20140239305 | METHOD OF OPTIMIZING A GA-NITRIDE DEVICE MATERIAL STRUCTURE FOR A FREQUENCY MULTIPLICATION DEVICE - A preferred method of optimizing a Ga-nitride device material structure for a frequency multiplication device comprises:
| 08-28-2014 |
20140241665 | LIGHT BEAM COLLIMATOR PARTICULARLY SUTABLE FOR A DENSELY PACKED ARRAY - A method and apparatus for controlled displacement, rotation and deformation of parts of a fiber optic collimator so as to provide multiple degrees of adjustment freedom that are decoupled one from another, for adjusting the path of a light beam, comprising: an output elongate hollow node for passing a light beam therethrough and towards a lens, and an elongate hollow base node having separate top and bottom parts connected to each other by opposed ends of a plurality of flexible rods that restrict the relative movement between the top and bottom parts of the base node to substantially only translational parallel movement. Opposed portions of the top and bottom parts of the base node each include a respective screw and an opposed slanted surface, which upon interaction, develop a shearing force which is applied to the top and bottom parts of the base node and cause a translational parallel relative movement therebetween. | 08-28-2014 |
20140253722 | APPARATUS AND METHOD FOR ESTIMATING AND USING A PREDICTED VEHICLE SPEED IN AN INDIRECT VISION DRIVING TASK - A method and apparatus for predicting vehicle speed during an indirect vision driving task. A further method and apparatus for optimizing the display of a camera return during an indirect vision driving task based on operator perceived vehicle speed as set by the display characteristics and the field-of-view of the camera. A further method and apparatus for using the perceived speed as a driving task aid, in particular, as an electronic aider for optimizing the driving scene display characteristics of scene compression and camera field-of view. In this manner, the invention adjusts the perceived speed in order to match the operator's cognitive flow to the control dynamics needed from the operator for the task. The invention has application to autonomous driving where manual intervention is incorporated during critical events for particular tasks; and with limited display space within the vehicle, the display format is adjusted by the invention according to the operator's task needs. | 09-11-2014 |
20140272732 | METHOD FOR LOW POWER NON-COKING LIQUID HYDROCARBON FUEL VAPORIZATION AND SUPERCRITICAL PHASE CHANGE - Methods for vaporizing hydrocarbon fuel and delivering the hydrocarbon fuel in either a vaporized phase or a supercritical phase to, for example, a combustion chamber are provided herein. A method of vaporizing a hydrocarbon fuel, wherein the hydrocarbon fuel is in a liquid phase at a first temperature and a first pressure, and wherein the first temperature of the liquid phase hydrocarbon fuel is less than its intrinsic oxidation or endothermic reaction temperature, the method may include lowering a pressure of the liquid phase hydrocarbon fuel from the first pressure to a second pressure; and heating the liquid phase hydrocarbon fuel from the first temperature to a second temperature, wherein the hydrocarbon fuel at the second temperature and the second pressure is in a substantially completely vaporized phase substantially without thermally oxidizing the hydrocarbon fuel, and wherein the hydrocarbon fuel in the substantially completely vaporized phase does not form carbonaceous contaminants. | 09-18-2014 |