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| 20100252676 | METHOD AND APPARATUS FOR RAM DECELERATION IN A LAUNCH SYSTEM - One embodiment includes a launch vessel defining an elongate, linear interior extending from a bottom portion to an exit opening. The embodiment includes a ram slidably disposed in the launch vessel, the ram sealed to the vessel. The embodiment also includes one or more wedges coupled to the launch vessel along the interior proximal the exit opening, with each wedge shape sized to increasingly narrow a cross section of the interior along an exit vector extending from the bottom portion toward the exit opening. In the embodiment, the vessel is to house a charge proximal the bottom portion, the charge to propel the ram along the exit vector, with the one or more wedges sized to stop be ram inside the interior. | 10-07-2010 |
| 20120103424 | VORTICE AMPLIFIED DIFFUSER FOR BUOYANCY DISSIPATER AND METHOD FOR SELECTABLE DIFFUSION - Embodiments of a vortice-amplified diffuser section for use in a buoyancy dissipater are generally described herein. The vortice-amplified diffuser section may include a plurality of diffusion ports to diffuse an expanding gas, a reduction sleeve to adjust an amount of diffusion flow, and vortex generators within at least some of the diffusion ports to generate vortices. The reduction sleeve may be configurable to block off some of the diffusion ports. The vortex generators may generate vortices of gas bubbles in the water to reduce the water's buoyancy and to inhibit movement or disrupt the operations of an errant vessel. The reduction sleeve may be used to control the size, shape, and intensity of the expanding gas bubble or bubble plume as well as to control the lethality level of the buoyancy reduction. | 05-03-2012 |
| 20140048654 | AIRCRAFT DEVICE DEPLOYMENT SYSTEM WITH SPRING-DRIVEN MECHANICAL LINKAGE - A deployment system includes a spring-driven linkage for deploying one or more kicker feet, to push a device to be deployed away from the deployment system. The kicker feet may include fore and aft kicker feet that push the deployed device to obtain a desire pitch in the launch, an example being a minimal or substantially zero pitch. The release of the kicker feet may be controlled by a pair of actuator, such as electrical solenoid actuators, both of which must be actuated to deploy the device. An electrical connection may allow positional float to account for tolerances in the positioning of the device relative to the deployment system. | 02-20-2014 |
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| 20080216036 | SLACK SENSITIVITY TO PARAMETER VARIATION BASED TIMING ANALYSIS - A method, system and program product are disclosed for improving an IC design that prioritize failure coefficients of slacks that lead to correction according to their probability of failure. With an identified set of independent parameters, a sensitivity analysis is performed on each parameter by noting the difference in timing, typically on endpoint slacks, when the parameter is varied. This step is repeated for every independent parameter. A failure coefficient is then calculated from the reference slack and the sensitivity of slack for each of the timing endpoints and a determination is made as to whether at least one timing endpoint fails a threshold test. Failing timing endpoints are then prioritized for modification according to their failure coefficients. The total number of runs required is one run that is used as a reference run, plus one additional run for each parameter. | 09-04-2008 |
| 20090140245 | Structure for a Method and Structure for Screening NFET-to-PFET Device Performance Offsets Within a CMOS Process - A design structure of a method of screening on-chip variation in NFET-to-PFET device performance for as-manufactured integrated circuits (ICs) made using a CMOS process. The method includes defining an acceptable frequency- or period-NFET-to-PFET device performance envelope by simulating a pair of ring oscillators, one of which contains only NFET transistors and the other of which contains only PFET transistors. The ring oscillators are then fabricated into each as-manufactured ICs. At screening time, the ring oscillators in each fabricated IC are tested to measure their frequencies (periods). These frequencies (periods) are then compared to the performance envelope to determine whether the NFET-to-PFET device performance of the corresponding IC is acceptable or not. | 06-04-2009 |
| 20090144024 | Method and Structure for Screening NFET-to-PFET Device Performance Offsets Within a CMOS Process - A method of screening on-chip variation in NFET-to-PFET device performance for as-manufactured integrated circuits (ICs) made using a CMOS process. The method includes defining an acceptable frequency- or period-based NFET-to-PFET device performance envelope by simulating a pair of ring oscillators, one of which contains only NFET transistors and the other of which contains only PFET transistors. The ring oscillators are then fabricated into each as-manufactured ICs. At screening time, the ring oscillators in each fabricated IC are tested to measure their frequencies (periods). These frequencies (periods) are then compared to the performance envelope to determine whether the NFET-to-PFET device performance of the corresponding IC is acceptable or not. | 06-04-2009 |
| 20100174503 | Monitoring NFET/PFET Skew in Complementary Metal Oxide Semiconductor Devices - An apparatus for directly measuring performance offset of NFET transistors with respect to PFET transistors in CMOS device processing includes a ring oscillator whose frequency is used to measure random across chip variations, as well as correlated across chip variations; a balanced inverter having a input driven by the ring oscillator, wherein the balanced inverter is designed to be formed such that a current drive capability of one or more NFET devices of the inverter is substantially equal to a current drive capability of one or more PFET devices of the inverter at a given operating temperature; and a capacitor coupled to an output of the inverter, with a voltage across the capacitor indicative of whether a skew exists between NFET device performance and PFET device performance. | 07-08-2010 |
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| 20130166047 | FANTASY OPEN PLATFORM ENVIRONMENT - A fantasy server application may comprise a platform generator component to generate a resource document with a host segment arranged to present a host resource document and a guest segment arranged to present a guest resource document, a host manager component to send a request to generate the host resource document with fantasy content from a fantasy content database to a host server program, receive a response with the host resource document, and add the host resource document to the host segment, and a guest manager component to generate a guest reference for use by a client device, the guest reference arranged to refer the client device to a guest server program arranged to generate the guest resource document with fantasy content from the fantasy content database, and add the guest reference to the guest server program to the guest segment. Other embodiments are described and claimed. | 06-27-2013 |
| 20130166693 | FANTASY OPEN PLATFORM ENVIRONMENT - A fantasy server application may comprise a platform generator component to generate a resource document with a host segment arranged to present a host resource document and a guest segment arranged to present a guest resource document, a host manager component to send a request to generate the host resource document with fantasy content from a fantasy content database to a host server program, receive a response with the host resource document, and add the host resource document to the host segment, and a guest manager component to generate a guest reference for use by a client device, the guest reference arranged to refer the client device to a guest server program arranged to generate the guest resource document with fantasy content from the fantasy content database, and add the guest reference to the guest server program to the guest segment. Other embodiments are described and claimed. | 06-27-2013 |
| 20140045597 | APPLICATION DEVELOPMENT CENTER TESTING SYSTEM - An application development center system is described. A method may comprise receiving an application at a server computing device; accessing test data from one or more data sources; testing the application within a development environment resident on the server computing device utilizing the test data; and presenting test results on a user interface accessible by a client computing device. Other embodiments are described and claimed. | 02-13-2014 |
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| 20120075579 | TRANSLATING PRESBYOPIC CONTACT LENS - Lenses for correcting presbyopia are translating, multifocal contact lenses with pseudotruncations which are asymmetric about the vertical meridian. | 03-29-2012 |
| 20120075580 | TRANSLATING PRESBYOPIC CONTACT LENS - Lenses for correcting presbyopia are translating, multifocal contact lenses with pseudotruncations which are asymmetric about the vertical meridian. | 03-29-2012 |
| 20120075581 | TRANSLATING PRESBYOPIC CONTACT LENS - Lenses for correcting presbyopia are translating, multifocal contact lenses with pseudotruncations which are asymmetric about the vertical meridian. | 03-29-2012 |
| 20130242255 | DYNAMIC FLUID ZONES IN CONTACT LENSES - A contact lens incorporating one or more dynamic fluid zones fabricated from a material that is readily deformable under eyelid pressure during blinking allows for the delivery of one or more agents to the eye, dynamic cosmetic eye enhancement, and/or dynamic rotational misalignment correction. The one or more agents may include therapeutic agents, nutritional agents and pharmacological agents. | 09-19-2013 |
| 20130308091 | Contact Lens with Halo Effect - A contact lens with a central portion, an iris portion, and a peripheral portion disposed about the iris portion; an effect band in or just outside the iris portion helps to provide the lens with a halo effect when worn on eye. | 11-21-2013 |
| 20140016084 | OPHTHALMIC LENS WITH REPEATING WAVE PATTERNS - An ophthalmic lens incorporating a repeating periodic wavelike pattern of pigmented lines is utilized to highlight, shade and expose the iris of the wearer to create an enhanced look without affecting the natural appearance of the iris. The ophthalmic lens incorporates the repeating periodic wavelike pattern of pigmented lines in a region corresponding to the wearer's iris. | 01-16-2014 |
| 20140063445 | COMPLIANT DYNAMIC TRANSLATION ZONES FOR CONTACT LENSES - A contact lens incorporating one or more compliant dynamic translation zones fabricated from a material that is readily deformable under eyelid pressure during blinking and which allows for the control over translation of the contact lens on the eye. The one or more compliant dynamic translation zones provide for the comfortable relative movement of the contact lens over the eye. | 03-06-2014 |
| 20140211147 | ASYMMETRIC LENS DESIGN AND METHOD FOR PREVENTING AND/OR SLOWING MYOPIA PROGRESSION - Contact lenses incorporating asymmetric radial power profiles that increase the radial dioptric power from the center to the margin of the optical zone of the lenses may be utilized to prevent and/or slow myopia progression. The power profiles vary along different meridians. | 07-31-2014 |
| 20160062144 | FREEFORM LENS DESIGN AND METHOD FOR PREVENTING AND/OR SLOWING MYOPIA PROGRESSION - Lenses incorporate freeform power profiles that at least one of slow, retard or preventing myopia progression. An ophthalmic lens includes a first zone at a center of the lens; a first peripheral region continuously extending from the center, the first peripheral region having a different dioptric power than at the center; and a second peripheral region continuously extending from the first peripheral region and having a different dioptric power than the first peripheral region, thereby providing a continuous freeform power profile having substantially equivalent visual performance to a single vision lens, and having a depth of focus and reduced retinal image quality sensitivity that slows, retards, or prevents myopia progression. | 03-03-2016 |
| 20160062145 | MASK LENS DESIGN AND METHOD FOR PREVENTING AND/OR SLOWING MYOPIA PROGRESSION - Contact lenses incorporate mask lens designs that at least one of slow, retard or preventing myopia progression. The lens includes a first zone at a center of the lens; at least one peripheral zone surrounding the center and having a dioptric power that is different than that at the center; and an opaque mask beginning at a radial distance from the center, thereby providing a lens power profile having substantially equivalent foveal vision correction to a single vision lens, and having a depth of focus and reduced retinal image quality sensitivity that slows, retards, or prevents myopia progression. | 03-03-2016 |
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| 20120328259 | MULTIMEDIA CONTENT PREVIEW RENDERING IN A CLOUD CONTENT MANAGEMENT SYSTEM - Systems and methods for providing content previews of files, including video files, stored in an online content management system with collaboration environment are disclosed. Permission to view a preview of a file is determined based upon access permissions associated with the file and/or workspace in which the file is stored and the access level of the requesting user. The system can also provide a progress indicator indicating the approximate time remaining to process the file for previewing based upon averages of times for processing previous files having similar attributes. In one aspect, embodiments of the present disclosure include a method, which may be implemented on a system, for downsampling a video file to decrease the processing time for providing a preview. | 12-27-2012 |
| 20130110854 | PREVIEW PRE-GENERATION BASED ON HEURISTICS AND ALGORITHMIC PREDICTION/ASSESSMENT OF PREDICTED USER BEHAVIOR FOR ENHANCEMENT OF USER EXPERIENCE | 05-02-2013 |
| 20130111326 | ENHANCED MULTIMEDIA CONTENT PREVIEW RENDERING IN A CLOUD CONTENT MANAGEMENT SYSTEM | 05-02-2013 |
| 20130152050 | SYSTEM AND METHOD FOR DATA COLLECTION AND ANALYSIS OF INFORMATION RELATING TO MOBILE APPLICATIONS - A system and method are provided for data collection and analysis of information related to applications. Specifically, the developer of the application may install analytic software, which may be embodied as a software development kit (SDK), on an integrated development environment (“IDE”) associated with the developer, wherein the analytic software may be installed with a wizard-like interface having a series of easy to follow instructions. Once installed, the application, with the analytic software incorporated therein, may be provided and installed on a plurality of end user devices. Thereafter, the analytic software may work in conjunction with analytic processing logic to assist the developer in obtaining pertinent information related to bugs associated with the application that is being executed on an end user device. | 06-13-2013 |
| 20130152056 | SYSTEM AND METHOD FOR DATA COLLECTION AND ANALYSIS OF INFORMATION RELATING TO MOBILE APPLICATIONS - A system and method are provided for data collection and analysis of information related to applications. Specifically, the developer of the application may install analytic software, which may be embodied as a software development kit (SDK), on an integrated development environment (“IDE”) associated with the developer, wherein the analytic software may be installed with a wizard-like interface having a series of easy to follow instructions. Once installed, the application, with the analytic software incorporated therein, may be provided and installed on a plurality of end user devices. Thereafter, the analytic software may work in conjunction with analytic processing logic to assist the developer in obtaining pertinent information related to bugs associated with the application that is being executed on an end user device. | 06-13-2013 |
| 20130198600 | EXTENDED APPLICATIONS OF MULTIMEDIA CONTENT PREVIEWS IN THE CLOUD-BASED CONTENT MANAGEMENT SYSTEM - Systems and methods for providing previews of files stored in an online content management system with collaboration environment and permitting a user to annotate the previews are disclosed. The system further tracks the frequency of access of content in previewed documents and provides a visual representation of the frequency with which sections in a document was viewed. | 08-01-2013 |
| 20130238969 | UNIVERSAL FILE TYPE PREVIEW FOR MOBILE DEVICES - Systems and methods for providing previews to mobile client devices of files stored in a web-based collaboration platform are disclosed. In one embodiment, a system sends a request to preview a file uploaded to the web-based collaboration platform. The system receives preview information for accessing and manipulating preview of the uploaded file. The preview information includes a scheme for accessing file segments of the preview of the uploaded file. The file segments are byproducts of a conversion of the file from the source format to a target format and have a requested preview format. The system further includes a viewer to access the file segments of the uploaded file using the scheme. The viewer displays the accessed file segments on a touch screen responsive to swiping actions on the touch screen, the swiping actions determined based on the source format. | 09-12-2013 |
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| 20100278300 | EXTREMITY IMAGING APPARATUS FOR CONE BEAM COMPUTED TOMOGRAPHY - An apparatus for cone beam computed tomography of an extremity has a digital radiation detector and a first device to move the detector along a circular detector path extending so that the detector moves both at least partially around a first extremity of the patient and between the first extremity and a second, adjacent extremity. The detector path has radius R | 11-04-2010 |
| 20110176715 | FOUR-DIMENSIONAL VOLUME IMAGING SYSTEM - A method for obtaining a 3-D image. An initial volume image is obtained of a subject wherein the subject is stationary and in a first pose. One or more 2-D images of the subject are obtained as the subject is moving between the first pose and a second pose. An endpoint volume image of the subject with the subject stationary and in the second pose is obtained. At least the initial volume image is modified according to the one or more obtained 2-D images to form at least one intermediate volume image that is representative of the subject's position between the first and second pose. The at least one intermediate volume image can be displayed. | 07-21-2011 |
| 20110228901 | EXTREMITY IMAGING APPARATUS FOR CONE BEAM COMPUTED TOMOGRAPHY - An apparatus for cone beam computed tomography of lower leg portions of a patient has a radiation source and a source transport actuable to move the source along an arcuate source path within a housing, from one side of a circumferential gap to the other and has a radius R2 about a center. A housing is provided for placement of the patient's foot. A digital radiation detector has a detector transport actuable to move the detector along an arcuate detector path within the housing, the detector path having a radius R1 about the center and concentric with the source path, wherein R1 is less than R2, and wherein the detector path extends from one side of the pedestal indent to the other. A gap closure apparatus is movable to a position that continues the detector path across the circumferential gap and encloses the detector path. | 09-22-2011 |
| 20130077741 | EXTREMITY IMAGING APPARATUS FOR CONE BEAM COMPUTED TOMOGRAPHY - An apparatus for cone beam computed tomography of an extremity has a digital radiation detector and a first device to move the detector along a circular detector path extending so that the detector moves both at least partially around a first extremity of the patient and between the first extremity and a second, adjacent extremity. The detector path has radius R | 03-28-2013 |
| 20140049629 | SYTEM AND METHOD FOR TRACKING AND NAVIGATION - A tracking and navigation system is provided. The system includes an imaging or treatment device, a tracker device, and a fiducial marker. At least part of the imaging or treatment device is movable relative to a patient. The tracker device is mounted on the imaging or treatment device and is movable therewith relative to the patient. The fiducial marker may be fixed relative to the patient to define a patient coordinate system. The fiducial marker is detectable by the tracker device to substantially maintain registration between the tracker device and the patient coordinate system. A tracking and navigation kit including the tracker device and at least one fiducial marker may also be provided, for example, for retrofitting to existing imaging or treatment devices | 02-20-2014 |
| 20140079338 | METHOD AND SYSTEM FOR REGISTERING IMAGES - A system for registering images includes an image registration unit. The image registration unit is configured to receive first image data for a first image in an N-dimensional space, receive second image data for a second image in the N-dimensional space, calculate a field of update vectors that maps the first image into a moving image, and map the first image into the moving image using the field of update vectors such that the moving image more closely matches the second image. The field of update vectors includes a plurality of N+M dimensional update vectors, each update vector having N spatial components and M extra components. N is a number greater than zero, and M is a number greater than zero. The M extra components of the plurality of update vectors identify portions of the first image that are assigned external values during the mapping the first image into the moving image. | 03-20-2014 |
| 20140241490 | EXTREMITY IMAGING APPARATUS FOR CONE BEAM COMPUTED TOMOGRAPHY - An apparatus for cone beam computed tomography of an extremity has a digital radiation detector and a first device to move the detector along a circular detector path extending so that the detector moves both at least partially around a first extremity of the patient and between the first extremity and a second, adjacent extremity. The detector path has radius R | 08-28-2014 |
| 20140350387 | ELECTROMAGNETIC TRACKING SYSTEM AND METHODS OF USING SAME - An electromagnetic tracking system including a patient support element and an electromagnetic field generator. The patient support element is superposed relative to the electromagnetic field generator, and the electromagnetic field generator is selectively moveable relative to the patient support element. | 11-27-2014 |
| 20140363067 | METHODS AND SYSTEMS FOR TOMOGRAPHIC RECONSTRUCTION - A method for processing an image of a series of images includes receiving first data representing a first previously reconstructed image and receiving second data representing a second image. A second image is reconstructed in accordance with the first data, the second data and a noise model. The noise model is a likelihood estimation. The second image is reconstructed in accordance with a penalty function. The penalty function is a roughness penalty function. The penalty function is updated by iteratively adjusting an image volume estimate. The penalty function is updated by iteratively adjusting a registration term. The penalty function is a prior image penalty function and the prior image penalty function and a registration term are jointly optimized. The penalty function is determined in accordance with a noise model. The function is a p-norm penalty function. | 12-11-2014 |
| 20150173695 | EXTREMITY IMAGING APPARATUS FOR CONE BEAM COMPUTED TOMOGRAPHY - An apparatus for cone beam computed tomography of an extremity has a digital radiation detector and a first device to move the detector along a circular detector path extending so that the detector moves both at least partially around a first extremity of the patient and between the first extremity and a second, adjacent extremity. The detector path has radius R | 06-25-2015 |
| 20150173703 | INTEGRATION OF QUANTITATIVE CALIBRATION SYSTEMS IN COMPUTED TOMOGRAPHY SCANNERS - An embodiment in accordance with the present invention provides a device and method for a quantitatively calibrated computed tomography scanner. The device includes a gentry configured for receiving a patient or part of a patient. The gentry includes an X-ray source and a detector positioned opposite said X-ray source, such that said detector receives the X-rays emitted from the X-ray source. Calibration phantoms are integrated with the gentry and/or a device within the scanner so as to allow for calibration in quantitative CT measurements of Hounsfield units and/or bone mineral density. | 06-25-2015 |
| 20150250431 | EXTREMITY IMAGING APPARATUS FOR CONE BEAM COMPUTED TOMOGRAPHY - An apparatus for cone beam computed tomography can include a support structure, a scanner assembly coupled to the support structure for controlled movement in at least x, y and z orientations, the scanner assembly can include a DR detector configured to move along at least a portion of detector path that extends at least partially around a scan volume with a distance D | 09-10-2015 |
| 20150257717 | EXTREMITY IMAGING APPARATUS FOR CONE BEAM COMPUTED TOMOGRAPHY - An apparatus for cone beam computed tomography can include a support structure, a scanner assembly coupled to the support structure for controlled movement in at least x, y and z orientations, the scanner assembly can include a DR detector configured to move along at least a portion of a detector path that extends at least partially around a scan volume with a distance D | 09-17-2015 |
| 20150262390 | INFORMATION PROPAGATION IN PRIOR-IMAGE-BASED RECONSTRUCTION - A framework, comprising techniques, process(es), device(s), system(s), combinations thereof, or the like, to analyze propagation of information in prior-image-based reconstruction by decomposing the estimation into distinct components supported by a current data acquisition and by a prior image. Such decomposition can quantify contributions from prior data and current data as a spatial map and/or can trace specific features in an image to a source of at least some of such features. | 09-17-2015 |
| 20150272516 | EXTREMITY IMAGING APPARATUS FOR CONE BEAM COMPUTED TOMOGRAPHY - An apparatus for cone beam computed tomography can include a support structure, a scanner assembly coupled to the support structure for controlled movement in at least x, y and z orientations, the scanner assembly can include a DR detector configured to move along at least a portion of a detector path that extends at least partially around a scan volume with a distance D1 that is sufficiently long to allow the scan volume to be positioned within the detector path; a radiation source configured to move along at least a portion of a source path outside the detector path, the source path having a distance D2 greater than the distance D1, the distance D2 being sufficiently long to allow adequate radiation exposure of the scan volume for an image capture by the detector; and a first gap in the detector path. | 10-01-2015 |
| 20160029978 | TASK-BASED SOURCE-DETECTOR TRAJECTORIES FOR TOMOGRAPHIC IMAGING - An embodiment in accordance with the present invention provides a method for applying task-based performance predictors (measures of noise, spatial resolution, and detectability index) based on numerical observer models and approximations to the local noise and spatial resolution properties of the CBCT reconstruction process (e.g., penalized-likelihood iterative reconstruction). These predictions are then used to identify projections views (i.e., points that will constitute the scan trajectory) that maximize task performance, beginning with the projection view that maximizes detectability, proceeding to the next-best view, and continuing in an (arbitrarily constrained) orbit that can be physically realized on advanced robotic C-arm platforms. The performance of CBCT reconstructions arising from a task-based trajectory is superior to simple and complex orbits by virtue of improved spatial resolution and noise characteristics (relative to the specified imaging task) associated with the projection views constituting the customized scan orbit. | 02-04-2016 |
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| 20080198964 | CARDIAC GATING FOR DUAL-ENERGY IMAGING - Methods are provided for cardiac gating of multiple-energy projection radiographic imaging utilizing an apparatus that measures the patient's peripheral blood perfusion. The choice of methods is dependant on the patient's heart rate and the delays inherent in the imaging system. A first method allows for imaging during the diastole period of the current cardiac cycle. A second method provides an implemented delay to acquire the image during the diastole period of a subsequent cardiac cycle. The use of the apparatus that measures the patient's peripheral blood perfusion allows for an efficient and convenient means of cardiac gating while avoiding occlusion of diagnostically important anatomy. | 08-21-2008 |
| 20080247626 | REGISTRATION METHOD FOR PROJECTIONS IN DUAL ENERGY - A method is disclosed for resolving misregistration errors resulting from dual energy double-shot projection radiographic image acquisition. The method involves an iterative multi-scale, multi-resolution registration process that corrects misregistration errors progressively at scales ranging from bulk anatomical drift down to smaller scale motion such as that of fine pulmonary vasculature. The method may be incorporated as part of a dual energy image processing chain to create dual energy images with improved image quality and diagnostic performance. | 10-09-2008 |
| 20090207966 | IMAGE ACQUISITION FOR DUAL ENERGY IMAGING - Acquisition techniques for dual energy (DE) chest imaging system. Technique factors include the added x-ray filtration, kVp pair, and the allocation of dose between low- and high-energy projections, with total dose equal to or less than that of a conventional chest radiograph. Factors are described which maximize lung nodule detectability as characterized by the signal difference to noise ratio (SDNR) in DE chest images. kVp pair and dose allocation are described using a chest phantom presenting simulated lung nodules and ribs for thin, average, and thick body habitus. Low- and high-energy techniques ranged from 60-90 kVp and 120-150 kVp, respectively, with peak soft-tissue SDNR achieved at [60/120] kVp for patient thicknesses and levels of imaging dose. A strong dependence on the kVp of the low-energy projection was observed. | 08-20-2009 |
| 20120002781 | OPTIMIZED APERTURE SELECTION IMAGING COMPUTED TOMOGRAPHY SYSTEM AND METHOD - A method and imaging system for operating imaging computed tomography using a radiation source and a plurality of detectors to generate an image of an object. The method includes: defining a desired image characteristics; and performing calculations to determine the pattern of fluence to be applied by the radiation source, to generate said desired image quality or characteristics. Then, the radiation source is modulated, to generate the intended pattern of fluence between the beam source and the object to be imaged. The desired image characteristics can comprise at least one of desired levels of contrast-to-noise ratio (CNR) and signal-to-noise ratio (SNR), and may provide at least one of: desired image quality in at least one defined region of interest; and at least one desired distribution of said image quality. | 01-05-2012 |
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| 20140029932 | STOCHASTIC REFLECTOMETER - Disclosed herein are various embodiments of a time-domain reflectometer having a transmitter configured to apply, to a system under test (SUT), an intensity-modulated probe signal generated based on a periodic pseudo-random bit sequence. The reflectometer further has a receiver configured to receive, back from the SUT, a reflected signal corresponding to the probe signal. The receiver converts the received reflected signal into a binary bit sequence using a relatively simple slicer circuit, and without the use of complex analog circuits and/or multi-bit analog-to-digital converters. The binary bit sequence is then compared with the original pseudo-random bit sequence to obtain a measure of the impulse response of the SUT. In some embodiments, the reflectometer has a controllable noise generator that can be used, e.g., to optimize the obtained measure for the detection of multiple SUT defects having significantly differing reflection characteristics. | 01-30-2014 |
| 20140133596 | GENERATION OF MULTILEVEL SIGNALS USING CORRELATIVE CODING - Disclosed is a polybinary-signal generator in which correlative coding is applied to a plurality of fractional-bit-rate signals instead of being applied to a corresponding multiplexed full-bit-rate signal. The resulting coded fractional-bit-rate signals are variously delayed with respect to one another and then summed to generate a polybinary output signal. One beneficial feature of this architecture is that most circuit components of the polybinary-signal generator operate at the fractional bit rate, which helps to alleviate at least some of the technical difficulties associated with the design of radio-frequency circuits intended for relatively high bit rates. Another beneficial feature of this architecture is that the polybinary-signal generator also serves as a signal multiplexer. | 05-15-2014 |
| 20160124147 | SEMICONDUCTOR-BASED PHOTODETECTOR HAVING MULTIPLE OPTICAL FEEDS FOR COUPLING LIGHT INTO AN ACTIVE AREA THEREOF - We disclose a semiconductor-based photodetector having multiple optical feeds for coupling light into an active area thereof in a manner that causes the light to be distributed more-uniformly therein than in a comparable conventional photodetector. As a result, embodiments of the disclosed photodetector can handle an advantageously high optical power and generate a relatively high photocurrent before the saturation is reached. In some embodiments, the multiple optical feeds are used to reduce the size of the active area to achieve a larger effective bandwidth and/or better RF response for the photodetector without exacerbating certain detrimental effects therein, e.g., caused by the excessive heat generated by the absorbed light. In some embodiments, multiple semiconductor-based photodetectors can be optically arrayed and electrically interconnected to form a traveling-wave photodetector that preserves one or more beneficial characteristics of the individual photodetectors used therein. | 05-05-2016 |
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| 20140277379 | Stent - A stent comprising a steal body and a plurality of cells is disclosed. The stent body defines a length. Each cell includes two structural members extending in an undulating pattern. Each structural member includes a plurality of cell segments defining a plurality of nodes therebetween. At least one node includes a non-constant radius of curvature. | 09-18-2014 |
| 20140277380 | Stent - A stent comprising a stent body and a plurality of cells is disclosed. Each cell includes two structural members extending in an undulating pattern. Each structural member includes a plurality of cell segments defining a plurality of peaks and valleys therebetween. A first segment and a second segment defining a first peak, the second segment and a third segment defining a first valley, the third segment and a fourth segment defining a second peak, the fourth segment and a fifth segment defining a second valley, the fifth segment and a sixth segment defining a third peak. The first peak, the second peak and the first valley include a first radius of curvature. The third peak and the second valley include a second radius of curvature. The first radius of curvature is larger than the second radius of curvature. | 09-18-2014 |
| 20160022453 | Stent - A stent comprising a stent body and a plurality of cells is disclosed. Each cell includes two structural members extending in an undulating pattern. Each structural member includes a plurality of cell segments defining a plurality of peaks and valleys therebetween. A first segment and a second segment defining a first peak, the second segment and a third segment defining a first valley, the third segment and a fourth segment defining a second peak, the fourth segment and a fifth segment defining a second valley, the fifth segment and a sixth segment defining a third peak. The first peak, the second peak and the first valley include a first radius of curvature. The third peak and the second valley include a second radius of curvature. The first radius of curvature is larger than the second radius of curvature. | 01-28-2016 |
| 20160120670 | Stent - A stent comprising a stent body and a plurality of cells is disclosed. The stent body defines a length. Each cell includes two structural members extending in an undulating pattern. Each structural member includes a plurality of cell segments defining a plurality of nodes therebetween. At least one node includes a non-constant radius of curvature. | 05-05-2016 |
