Datta, US
Abhishek Datta, New York, NY US
Patent application number | Description | Published |
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20110144716 | Apparatus and Method for Neurocranial Electrostimulation - There is provided method and apparatus for enhancing focality of neurocranial electrostimulation, including: providing a first plurality of electrodes having at least one electrode; providing a second plurality of electrodes having at least two electrodes; locating the first and the second plurality of electrodes on cranium of a subject and supplying electric current of opposite polarities to the first and the second plurality of electrodes. At least one electrode of the first plurality of electrodes is surrounded by at least two electrodes of the second plurality of electrodes. The enhanced focal stimulation may be used to treat ailments or augment cognitive performance. There are also provided methods for treating brain related ailments and performance augmentation. | 06-16-2011 |
20110319975 | Methods for Reducing Discomfort During Electrostimulation, and Compositions and Apparatus Therefor - An electrode assembly for neuro-cranial stimulation includes an electrode, a conductive gel, and an adapter including an interior compartment for positioning the electrode relative to the adapter and for receiving and retaining the conductive gel. The conductive gel contacts the electrode along an electrode-gel interface. An orifice at one end of the interior compartment and adjacent to a positioning surface of the adapter for positioning the electrode assembly against a skin surface of a user enables the conductive gel is able to contact the skin surface of the user to define a gel-skin interface, such that a minimum distance between the electrode-gel interface and the gel-skin interface is maintained between 0.25 cm and 1.3 cm. An electrode assembly mounting apparatus is provided for adjustably positioning a plurality of electrode assemblies against target positions on the cranium. | 12-29-2011 |
20120209346 | TRANSCRANIAL STIMULATION - A method includes coupling electrodes to a patient's head and identifying whether any of the electrodes form a functional set, such that a desired therapeutic effect is achieved when the two or more electrodes deliver a total amount of current to the patient regardless of what portion of the total amount of current each respective electrode carries. One or more constant current sources are provided, each having a supply and return terminal, which supply and return equal amounts of current at any given time. The constant current source(s) are coupled to the electrodes in such a manner that each supply terminal and each return terminal is coupled to no more than the electrodes of a single one of the functional sets, if any, or to a single one of the electrodes not included in one of the functional sets. | 08-16-2012 |
20120245653 | NEUROCRANIAL ELECTROSTIMULATION MODELS, SYSTEMS, DEVICES AND METHODS - Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for developing transcranial electrical stimulation protocols are disclosed. In one aspect, a method includes the actions of accepting an image model of target tissue, obtaining a forward model having a first electrode configuration and first electrical stimulation parameters based on electrical stimulation of the target tissue, accepting electrode configuration changes or electrical stimulation parameter changes resulting in a second electrode configuration or second electrical stimulation parameters, determining an optimized tissue model using a least square methodology and based on the second electrode configuration or second electrical stimulation parameter changes, comparing the optimized tissue model with a desired outcome, and providing a confirmation of the optimized model with the desired outcome. | 09-27-2012 |
20120265261 | Neurocranial Electrostimulation Models, Systems, Devices, and Methods - Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for developing transcranial electrical stimulation protocols are disclosed. In one aspect, a method includes forming a first array of electrodes and optimizing a plurality of electrode parameters within the first array of electrodes to achieve a desired physiological response; identifying one or more electrodes within the optimized first array that have relatively low current compared to the remaining electrodes in the first array; removing the identified low current electrodes from the first array to form a second array of electrodes, wherein the number of electrodes in the second array is less than the number of electrodes in the first array and optimizing a plurality of electrode parameters with the second array of electrodes to achieve a desired physiological response. | 10-18-2012 |
Ankur Datta, White Plains, NY US
Patent application number | Description | Published |
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20120233159 | HIERARCHICAL RANKING OF FACIAL ATTRIBUTES - In response to a query of discernible facial attributes, the locations of distinct and different facial regions are estimated from face image data, each relevant to different attributes. Different features are extracted from the estimated facial regions from database facial images, which are ranked in base layer rankings by matching feature vectors in a bipartite graph to a base layer ranking sequence as a function of edge weights parameterized by an associated base layer parameter vector. Second-layer rankings define second-layer attribute vectors as bilinear combinations of the base-layer feature vectors and associated base layer parameter vectors for common attributes, which are matched in a bipartite graph to a second-layer ranking sequence as a function of edge weights parameterized by associated second-layer parameter vectors. The images are thus ranked for relevance to the query as a function of fusing the second-layer rankings. | 09-13-2012 |
20120237081 | ANOMALOUS PATTERN DISCOVERY - A trajectory of movement of an object is tracked in a video data image field that is partitioned into a plurality of different grids. Global image features from video data relative to the trajectory are extracted and compared to a learned trajectory model to generate a global anomaly detection confidence decision value as a function of fitting to the learned trajectory model. Local image features are also extracted for each of the image field grids that include object trajectory, which are compared to learned feature models for the grids to generate local anomaly detection confidence decisions for each grid as a function of fitting to the learned feature models for the grids. The global anomaly detection confidence decision value and the local anomaly detection confidence decision values for the grids are into a fused anomaly decision with respect to the tracked object. | 09-20-2012 |
20120242832 | VEHICLE HEADLIGHT MANAGEMENT - A method, data processing system, and computer program product for managing a headlight on a vehicle are presented. An image of an area in front of the vehicle is received. A first set of features is identified in the received image. The first set of features in the received image is compared with a number of sets of features from a plurality of previous images. Each image in the plurality of previous images is associated with a headlight setting. A second set of features from a previous image in the plurality of previous images matching the first set of features in the received image is identified. A determination is made whether to change a setting for the headlight on the vehicle based on the headlight setting associated with the previous image. | 09-27-2012 |
20120263346 | VIDEO-BASED DETECTION OF MULTIPLE OBJECT TYPES UNDER VARYING POSES - Training data object images are clustered as a function of motion direction attributes and resized from respective original into same aspect ratios. Motionlet detectors are learned for each of the sets from features extracted from the resized object blobs. A deformable sliding window is applied to detect an object blob in input by varying window size, shape or aspect ratio to conform to a shape of the detected input video object blob. A motion direction of an underlying image patch of the detected input video object blob is extracted and motionlet detectors selected and applied that have similar motion directions. An object is thus detected within the detected blob and semantic attributes of an underlying image patch extracted if a motionlet detectors fires, the extracted semantic attributes available for use for searching for the detected object. | 10-18-2012 |
20120281873 | INCORPORATING VIDEO META-DATA IN 3D MODELS - A moving object detected and tracked within a field of view environment of a 2D data feed of a calibrated video camera is represented by a 3D model through localizing a centroid of the object and determining an intersection with a ground-plane within the field of view environment. An appropriate 3D mesh-based volumetric model for the object is initialized by using a back-projection of a corresponding 2D image as a function of the centroid and the determined ground-plane intersection. Nonlinear dynamics of a tracked motion path of the object are represented as a collection of different local linear models. A texture of the object is projected onto the 3D model, and 2D tracks of the object are upgraded to 3D motion to drive the 3D model by learning a weighted combination of the different local linear models that minimizes an image re-projection error of model movement. | 11-08-2012 |
20120284211 | IDENTIFYING ABNORMALITIES IN RESOURCE USAGE - A method, data processing system, and computer program product for identifying abnormalities in data. A model representing a plurality of modes for an activity generated from training data is retrieved. The training data includes a first plurality of measurements of a first performance of the activity over a period of time. Each of the plurality of modes is identified as one of normal and abnormal. Activity data including a second plurality of measurements of a second performance of the activity is received. A portion of the activity data is compared with the plurality of modes in the model. A notification of an abnormality in the second performance of the activity is generated in response to an identification that the portion of the activity data matches a mode in the plurality of modes identified as abnormal. Confirmation of the abnormality is requested via a user interface. | 11-08-2012 |
20120294511 | EFFICIENT RETRIEVAL OF ANOMALOUS EVENTS WITH PRIORITY LEARNING - Local models learned from anomaly detection are used to rank detected anomalies. The local models include image feature values extracted from an image field of video image data with respect to different predefined spatial and temporal local units, wherein anomaly results are determined by failures to fit to applied anomaly detection module local models. Image features values extracted from the image field local units associated with anomaly results are normalized, and image feature values extracted from the image field local units are clustered. Weights for anomaly results are learned as a function of the relations of the normalized extracted image feature values to the clustered image feature values. The normalized values are multiplied by the learned weights to generate ranking values to rank the anomalies. | 11-22-2012 |
20120308121 | IMAGE RANKING BASED ON ATTRIBUTE CORRELATION - Images are retrieved and ranked according to relevance to attributes of a multi-attribute query through training image attribute detectors for different attributes annotated in a training dataset. Pair-wise correlations are learned between pairs of the annotated attributes from the training dataset of images. Image datasets may then be searched via the trained attribute detectors for images comprising attributes in a multi-attribute query, wherein images are retrieved from the searching that each comprise one or more of the query attributes and also in response to information from the trained attribute detectors corresponding to attributes that are not a part of the query but are relevant to the query attributes as a function of the learned plurality of pair-wise correlations. The retrieved images are ranked as a function of respective total numbers of attributes within the query subset attributes. | 12-06-2012 |
20120314030 | ESTIMATION OF OBJECT PROPERTIES IN 3D WORLD - Objects within two-dimensional (2D) video data are modeled by three-dimensional (3D) models as a function of object type and motion through manually calibrating a 2D image to the three spatial dimensions of a 3D modeling cube. Calibrated 3D locations of an object in motion in the 2D image field of view of a video data input are computed and used to determine a heading direction of the object as a function of the camera calibration and determined movement between the computed 3D locations. The 2D object image is replaced in the video data input with an object-type 3D polygonal model having a projected bounding box that best matches a bounding box of an image blob, the model oriented in the determined heading direction. The bounding box of the replacing model is then scaled to fit the object image blob bounding box, and rendered with extracted image features. | 12-13-2012 |
20130124514 | HIERARCHICAL RANKING OF FACIAL ATTRIBUTES - In response to a query of discernable facial attributes, the locations of distinct and different facial regions are estimated from face image data, each relevant to different attributes. Different features are extracted from the estimated facial regions from database facial images, which are ranked in base layer rankings by matching feature vectors to a base layer ranking sequence as a function of edge weights. Second-layer rankings define second-layer attribute vectors as combinations of the base-layer feature vectors and associated base layer parameter vectors for common attributes, which are matched to a second-layer ranking sequence as a function of edge weights. The images are thus ranked for relevance to the query as a function of the second-layer rankings. | 05-16-2013 |
20130241928 | INCORPORATING VIDEO META-DATA IN 3D MODELS - A moving object detected and tracked within a field of view environment of a two-dimensional data feed of a calibrated video camera is represented by a three-dimensional model through localizing a centroid of the object and determining an intersection with a ground-plane within the field of view environment. An appropriate three-dimensional mesh-based volumetric model for the object is initialized by using a back-projection of a corresponding two-dimensional image as a function of the centroid and the determined ground-plane intersection. A texture of the object is projected onto the three-dimensional model, and two-dimensional tracks of the object are upgraded to three-dimensional motion to drive a three-dimensional model. | 09-19-2013 |
20130336581 | MULTI-CUE OBJECT DETECTION AND ANALYSIS - Foreground objects of interest are distinguished from a background model by dividing a region of interest of a video data image into a grid array of individual cells that are each smaller than that a foreground object of interest. More particularly, image data of the foreground object of interest spans a contiguous plurality of the cells. Each of the cells are labeled as foreground if accumulated edge energy within the cell meets an edge energy threshold, if color intensities for different colors within each cell differ by a color intensity differential threshold, or as a function of combinations of said determinations in view of one or more combination rules. | 12-19-2013 |
20140003708 | OBJECT RETRIEVAL IN VIDEO DATA USING COMPLEMENTARY DETECTORS | 01-02-2014 |
20140056476 | INCORPORATING VIDEO META-DATA IN 3D MODELS - A moving object tracked within a field of view environment of a two-dimensional data feed of a calibrated video camera is represented by a three-dimensional model. An appropriate three-dimensional mesh-based volumetric model for the object is initialized by using a back-projection of a corresponding two-dimensional image. A texture of the object is projected onto the three-dimensional model, and two-dimensional tracks of the object are upgraded to three-dimensional motion to drive a three-dimensional model. | 02-27-2014 |
20140098221 | APPEARANCE MODELING FOR OBJECT RE-IDENTIFICATION USING WEIGHTED BRIGHTNESS TRANSFER FUNCTIONS - An approach for re-identifying an object in a first test image is presented. Brightness transfer functions (BTFs) between respective pairs of training images are determined. Respective similarity measures are determined between the first test image and each of the training images captured by the first camera (first training images). A weighted brightness transfer function (WBTF) is determined by combining the BTFs weighted by weights of the first training images. The weights are based on the similarity measures. The first test image is transformed by the WBTF to better match one of the training images captured by the second camera. Another test image, captured by the second camera, is identified because it is closer in appearance to the transformed test image than other test images captured by the second camera. An object in the identified test image is a re-identification of the object in the first test image. | 04-10-2014 |
20140098989 | MULTI-CUE OBJECT ASSOCIATION - Multiple discrete objects within a scene image captured by a single camera track are distinguished as un-labeled from a background model within a first frame of a video data input. Object position and object appearance and/or object size attributes are determined for each of the blobs, and costs determined to assign to existing blobs of existing object tracks as a function of the determined attributes and combined to generate respective combination costs. The un-labeled object blob that has a lowest combined cost of association with any of the existing object tracks is labeled with the label of that track having the lowest combined cost, said track is removed from consideration for labeling remaining un-labeled object blobs, and the process iteratively repeated until each of the track labels have been used to label one of the un-labeled blobs. | 04-10-2014 |
20140122470 | HIERARCHICAL RANKING OF FACIAL ATTRIBUTES - In response to a query of discernable facial attributes, the locations of distinct and different facial regions are estimated from face image data, each relevant to different attributes. Different features are extracted from the estimated facial regions from database facial images, which are ranked in base layer rankings as a function of relevance of extracted features to attributes relevant to the estimated regions, and in second-layer rankings as a function of combinations of the base layer rankings and relevance of the extracted features to common ones of the attributes relevant to the estimated regions. The images are ranked in relevance to the query as a function of the second-layer rankings. | 05-01-2014 |
20140147041 | IMAGE COLOR CORRECTION - Color-correcting a digital image comprising P pixels (P≧4) is presented. Each of the P pixels has a respective color. Color strengths of the P pixels are determined based at least on respective intensities, respective saturations, or both respective intensities and respective saturations of the P pixels. A subset of the P pixels less than all of the P pixels is determined. The pixels in the subset have respective color strengths in a range of respective color strength. All other pixels of the P pixels have respective color strengths outside of the range of respective color strengths. Color correction is determined for the P pixels based in part on the colors of the respective pixels in the subset which are the only pixels of the P pixels used for determining the color correction. The colors of the P pixels are corrected based on the color correction. | 05-29-2014 |
20140164306 | PATHWAY MANAGEMENT USING MODEL ANALYSIS AND FORCASTING - A computer generates a three dimensional map of a pathway area using a plurality of overhead images. The computer determines a forecasted weather pattern to occur in the pathway area. The computer analyzes the three dimensional map and the forecasted weather pattern to predict one or more violations of the pathway. The computer generates a priority for the one or more predicted violations of the pathway. The computer generates a plan for pathway management of the pathway area. | 06-12-2014 |
20140185925 | BOOSTING OBJECT DETECTION PERFORMANCE IN VIDEOS - A method and system for training a special object detector to distinguish a foreground object appearing in a sequence of frames for a target domain. The sequence of frames depicts motion of the foreground object in a non-uniform background. The foreground object is detected in a high-confidence subwindow of an initial frame of the sequence, which includes computing a measure of confidence that the high-confidence subwindow includes the foreground object and determining that the measure of confidence exceeds a specified confidence threshold. The foreground object is tracked in respective positive subwindows of subsequent frames appearing after the initial frame. The subsequent frames are within a specified short period of time. The positive subwindows are used to train the special object detector to detect the foreground object in the target domain. The positive subwindows include the subwindow of the initial frame and the respective subwindows of the subsequent frames. | 07-03-2014 |
20140253732 | TOPOLOGY DETERMINATION FOR NON-OVERLAPPING CAMERA NETWORK - Image-matching tracks the movements of the objects from initial camera scenes to ending camera scenes in non-overlapping cameras. Paths are defined through scenes for pairings of initial and ending cameras by different respective scene entry and exit points. For each of said camera pairings a combination path having a highest total number of tracked movements relative to all other combinations of one path through the initial and ending camera scene is chosen, and the scene exit point of the selected path through the initial camera and the scene entry point of the selected path into the ending camera define a path connection of the initial camera scene to the ending camera scene. | 09-11-2014 |
20140293043 | DETERMINING CAMERA HEIGHT USING DISTRIBUTIONS OF OBJECT HEIGHTS AND OBJECT IMAGE HEIGHTS - A camera at a fixed vertical height positioned above a reference plane, with an axis of a camera lens at an acute angle with respect to a perpendicular of the reference plane. One or more processors receive images of different people. The vertical measurement values of the images of different people are determined. The one or more processors determine a first statistical measure associated with a statistical distribution of the vertical measurement values. The known heights of people from a known statistical distribution of heights of people are transformed to normalized measurements, based in part on a focal length of the camera lens, the angle of the camera, and a division operator in an objective function of differences between the normalized measurements and the vertical measurement values. The fixed vertical height of the camera is determined, based at least on minimizing the objective function. | 10-02-2014 |
20140294231 | AUTOMATICALLY DETERMINING FIELD OF VIEW OVERLAP AMONG MULTIPLE CAMERAS - Field of view overlap among multiple cameras is automatically determined as a function of the temporal overlap of object tracks determined within their fields-of-view. Object tracks with the highest similarity value are assigned into pairs, and portions of the assigned object track pairs having a temporally overlapping period of time are determined. Scene entry points are determined from object locations on the tracks at a beginning of the temporally overlapping period of time, and scene exit points from object locations at an ending of the temporally overlapping period of time. Boundary lines for the overlapping fields-of-view portions within the corresponding camera fields-of-view are defined as a function of the determined entry and exit points in their respective fields-of-view. | 10-02-2014 |
20140314277 | INCORPORATING VIDEO META-DATA IN 3D MODELS - A moving object tracked within a field of view environment of a two-dimensional data feed of a calibrated video camera is represented by a three-dimensional model. An appropriate three-dimensional mesh-based volumetric model for the object is initialized by using a back-projection of a corresponding two-dimensional image. A texture of the object is projected onto the three-dimensional model, and two-dimensional tracks of the object are upgraded to three-dimensional motion to drive a three-dimensional model. | 10-23-2014 |
20140376775 | ESTIMATION OF OBJECT PROPERTIES IN 3D WORLD - Objects within two-dimensional video data are modeled by three-dimensional models as a function of object type and motion through manually calibrating a two-dimensional image to the three spatial dimensions of a three-dimensional modeling cube. Calibrated three-dimensional locations of an object in motion in the two-dimensional image field of view of a video data input are determined and used to determine a heading direction of the object as a function of the camera calibration and determined movement between the determined three-dimensional locations. The two-dimensional object image is replaced in the video data input with an object-type three-dimensional polygonal model having a projected bounding box that best matches a bounding box of an image blob, the model oriented in the determined heading direction. The bounding box of the replacing model is then scaled to fit the object image blob bounding box, and rendered with extracted image features. | 12-25-2014 |
20150023560 | MULTI-CUE OBJECT ASSOCIATION - Multiple discrete objects within a scene image captured by a single camera track are distinguished as un-labeled from a background model within a first frame of a video data input. Object position, object appearance and/or object size attributes are determined for each of the blobs, and costs determined to assign to existing blobs of existing object tracks as a function of the determined attributes. The un-labeled object blob that has a lowest cost of association with any of the existing object tracks is labeled with the label of that track having the lowest cost, said track is removed from consideration for labeling remaining un-labeled object blobs, and the process iteratively repeated until each of the track labels have been used to label one of the un-labeled blobs. | 01-22-2015 |
20150039542 | IMAGE RANKING BASED ON ATTRIBUTE CORRELATION - Images are retrieved and ranked according to relevance to attributes of a multi-attribute query through training image attribute detectors for different attributes annotated in a training dataset. Pair-wise correlations are learned between pairs of the annotated attributes from the training dataset of images. Image datasets may are searched via the trained attribute detectors for images comprising attributes in a multi-attribute query. The retrieved images are ranked as a function of comprising attributes that are not within the query subset plurality of attributes but are paired to one of the query subset plurality of attributes by the pair-wise correlations, wherein the ranking is an order of likelihood that the different ones of the attributes will appear in an image with the paired one of the query subset plurality of attributes. | 02-05-2015 |
20150055830 | AUTOMATICALLY DETERMINING FIELD OF VIEW OVERLAP AMONG MULTIPLE CAMERAS - Field of view overlap among multiple cameras are automatically determined as a function of the temporal overlap of object tracks determined within their fields-of-view. Object tracks with the highest similarity value are assigned into pairs, and portions of the assigned object track pairs having a temporally overlapping period of time are determined. Scene entry points are determined from object locations on the tracks at a beginning of the temporally overlapping period of time, and scene exit points from object locations at an ending of the temporally overlapping period of time. Boundary lines for the overlapping fields-of-view portions within the corresponding camera fields-of-view are defined as a function of the determined entry and exit points in their respective fields-of-view. | 02-26-2015 |
20150062340 | High Occupancy Toll Lane Compliance - A method and system for demonstrating compliance with a requirement of a high occupancy lane in a vehicle for a reduced toll charge for the vehicle is provided. The system includes a housing, an infrared camera within the housing, a GPS unit, a transceiver and a control within the housing. The infrared camera images one or more people in the vehicle. The transceiver detects an RF signal indicating that the vehicle is located at or near a toll booth for the high occupancy lane. The control triggers the infrared camera to image the one or more people and transmit a current time, a current location of the vehicle from the GPS unit, and the triggered image of the one or more people, to a server to demonstrate compliance with the requirement of the high occupancy lane for the reduced toll charge for the vehicle. | 03-05-2015 |
20150063689 | MULTI-CUE OBJECT DETECTION AND ANALYSIS - Foreground objects of interest are distinguished from a background model by dividing a region of interest of a video data image into a grid array of individual cells. Each of the cells are labeled as foreground if accumulated edge energy within the cell meets an edge energy threshold, or if color intensities for different colors within each cell differ by a color intensity differential threshold, or as a function of combinations of said determinations. | 03-05-2015 |
20150154457 | OBJECT RETRIEVAL IN VIDEO DATA USING COMPLEMENTARY DETECTORS - Automatic object retrieval from input video is based on learned, complementary detectors created for each of a plurality of different motionlet clusters. The motionlet clusters are partitioned from a dataset of training vehicle images as a function of determining that vehicles within each of the scenes of the images in each cluster share similar two-dimensional motion direction attributes within their scenes. To train the complementary detectors, a first detector is trained on motion blobs of vehicle objects detected and collected within each of the training dataset vehicle images within the motionlet cluster via a background modeling process; a second detector is trained on each of the training dataset vehicle images within the motionlet cluster that have motion blobs of the vehicle objects but are misclassified by the first detector; and the training repeats until all of the training dataset vehicle images have been eliminated as false positives or correctly classified. | 06-04-2015 |
20150324368 | HIERARCHICAL RANKING OF FACIAL ATTRIBUTES - In response to a query of discernable facial attributes, the locations of distinct and different facial regions are estimated from face image data, each relevant to different attributes. Different features are extracted from the estimated facial regions from database facial images, which are ranked in base layer rankings as a function of relevance of extracted features to attributes relevant to the estimated regions, and in second-layer rankings as a function of combinations of the base layer rankings and relevance of the extracted features to common ones of the attributes relevant to the estimated regions. The images are ranked in relevance to the query as a function of the second-layer rankings. | 11-12-2015 |
20150379357 | EFFICIENT RETRIEVAL OF ANOMALOUS EVENTS WITH PRIORITY LEARNING - Local models learned from anomaly detection are used to rank detected anomalies. The local models include image feature values extracted from an image field of video image data with respect to different predefined spatial and temporal local units, wherein anomaly results are determined by failures to fit to applied anomaly detection module local models. Image features values extracted from the image field local units associated with anomaly results are normalized, and image feature values extracted from the image field local units are clustered. Weights for anomaly results are learned as a function of the relations of the normalized extracted image feature values to the clustered image feature values. The normalized values are multiplied by the learned weights to generate ranking values to rank the anomalies. | 12-31-2015 |
20150379729 | AUTOMATICALLY DETERMINING FIELD OF VIEW OVERLAP AMONG MULTIPLE CAMERAS - Field of view overlap among multiple cameras are automatically determined as a function of the temporal overlap of object tracks determined within their fields-of-view. Object tracks with the highest similarity value are assigned into pairs, and portions of the assigned object track pairs having a temporally overlapping period of time are determined. Scene entry points are determined from object locations on the tracks at a beginning of the temporally overlapping period of time, and scene exit points from object locations at an ending of the temporally overlapping period of time. Boundary lines for the overlapping fields-of-view portions within the corresponding camera fields-of-view are defined as a function of the determined entry and exit points in their respective fields-of-view. | 12-31-2015 |
20150379768 | ESTIMATION OF OBJECT PROPERTIES IN 3D WORLD - Objects within two-dimensional video data are modeled by three-dimensional models as a function of object type and motion through manually calibrating a two-dimensional image to the three spatial dimensions of a three-dimensional modeling cube. Calibrated three-dimensional locations of an object in motion in the two-dimensional image field of view of a video data input are determined and used to determine a heading direction of the object as a function of the camera calibration and determined movement between the determined three-dimensional locations. The two-dimensional object image is replaced in the video data input with an object-type three-dimensional polygonal model having a projected bounding box that best matches a bounding box of an image blob, the model oriented in the determined heading direction. The bounding box of the replacing model is then scaled to fit the object image blob bounding box, and rendered with extracted image features. | 12-31-2015 |
Ankur Datta, Pittsburgh, PA US
Patent application number | Description | Published |
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20090140881 | Vehicle-use visual field assistance system in which information dispatch apparatus transmits images of blind spots to vehicles - A camera of a ground-based information dispatch apparatus captures a blind-spot image, showing a region that is a blind spot with respect to a vehicle driver. A vehicle-mounted camera captures a forward-view image corresponding to the viewpoint of the driver, and the forward-view image is transmitted to the information dispatch apparatus together with vehicle position and direction information and camera parameters. Based on the received information, the blind-spot image is converted to a corresponding image having the viewpoint of the vehicle driver, and the forward-view image and viewpoint-converted blind-spot image are combined to form a synthesized image, which is transmitted to the vehicle. | 06-04-2009 |
20110055121 | SYSTEM AND METHOD FOR IDENTIFYING AN OBSERVED PHENEMENON - A system for identifying an observed phenomenon. The system includes a computing device configured for receiving disparate data streams associated with disparate data sources. The system also includes a feature extraction module communicably connected to the computing device, a classification module communicably connected to the computing device, and a consensus module communicably connected to the computing device. The feature extraction module is configured for generating a set of attributes for each data stream. The classification module is configured for soft associating labels with attributes for each set of attributes, and for generating a confidence value for each soft association. The consensus module is configured for generating an output indicative of the phenomenon. The consensus module includes a standardization module and a sequential data module. The standardization module is configured for standardizing the confidence values. The sequential data module is configured for generating the output based on the standardized confidence values. | 03-03-2011 |
Anupam Datta, Pittsburgh, PA US
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20120198514 | Methods and Apparatuses for User-Verifiable Trusted Path in the Presence of Malware - An apparatus and method for establishing a trusted path between a user interface and a trusted executable, wherein the trusted path includes a hypervisor and a driver shim. The method includes measuring an identity of the hypervisor; comparing the measurement of the identity of the hypervisor with a policy for the hypervisor; measuring an identity of the driver shim; comparing the measurement of the identity of the driver shim with a policy for the driver shim; measuring an identity of the user interface; comparing the measurement of the identity of the user interface with a policy for the user interface; and providing a human-perceptible indication of whether the identity of the hypervisor, the identity of the driver shim, and the identity of the user interface correspond with the policy for the hypervisor, the policy for the driver shim, and the policy for the user interface, respectively. | 08-02-2012 |
Arindom Datta, Madison, WI US
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20090291313 | MICROELECTRONICS GRADE METAL SUBSTRATE, RELATED METAL-EMBEDDED DEVICES AND METHODS FOR FABRICATING SAME - Fabricating a microelectronics grade metal substrate comprises forming the metal substrate on a sacrificial substrate. An adhesion layer can be deposited on or over the surface of the sacrificial substrate. A seed layer of the metal can be deposited on or over the adhesion layer. The metal material can be deposited on the seed layer by electroplating or other low-temperature, low-stress process to form a microelectronics-grade metal substrate. Thin film sensors and/or other microelectronic devices, followed by appropriate insulating layer(s), may be fabricated on or over the sacrificial substrate before forming the metal substrate. The sacrificial silicon substrate can then be etched away, leaving the microelectronics-grade metal substrate, and possibly the microelectronics device. Another insulating layer(s), followed by another adhesion layer, another seed layer and additional amounts of the material forming the metal substrate can then be deposited over the now-exposed microelectronics device to encapsulate it within a metal shell. | 11-26-2009 |
Arindom Datta, Plainview, NY US
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20150376776 | VARIABLE-TEMPERATURE MATERIAL GROWTH STAGES AND THIN FILM GROWTH - A thin film of material on a substrate is formed in a continuous process of a physical vapor deposition system, in which material is deposited during a variable temperature growth stage having a first phase conducted below a temperature of about 500° C., and material is continuously deposited as the temperature changes for the second phase to above about 800° C. | 12-31-2015 |
Bhaskar Datta, Springfield, MO US
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20120088232 | Aptamer-Based Device For Detection Of Cancer Markers And Methods Of Use - Systems and methods are provided for detecting and quantitating one or more compounds or molecules in a sample. An aptamer-based point-of-care device (such as a strip) is described for rapid detection of target molecules such as the cancer marker p-glycoprotein (Pgp). Fluorescent molecules or gold nanoparticles may be used to detect the binding between a target molecule and the aptamer. By way of example, fluorescence resonance energy transfer (FRET) or Dynamic Light Scattering (DLS) may be used for detecting the physical and/or chemical changes caused by the binding of the aptamers to the target molecules. | 04-12-2012 |
David Datta, Worcester, MA US
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20150100142 | Audio Systems and Related Devices and Methods - A method for creating a stream of content for an audio system is provided. The method includes obtaining text metadata identifying each audio track of a selected collection of audio content, the selected collection of audio content being selected for playback from a first audio playback device of the audio system, and forwarding the text metadata identifying each audio track of the selected collection of audio content to a digital audio source to enable the digital audio source to select audio content containing additional audio content based on the text metadata. | 04-09-2015 |
David Paul Datta, Worcester, MA US
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20120254363 | Multimedia Analysis and Recommendation Generation - A computer program product, tangibly embodied on a computer readable medium, includes instructions, which when executed by a data processor of a multimedia player, cause the data processor to determine first media content characteristics that characterize a user-specific collection of media content; compare the first media content characteristics with second media content characteristics that characterize a first set of external media content channels; and based on the results of the comparison, present identifiers of a subset of the first set of external media content channels on an interface of the multimedia player. | 10-04-2012 |
Deep Datta, Austin, TX US
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20150101043 | Application Identification And Dynamic Signature Generation For Managing Network Communications - Systems and methods are disclosed for application identification and dynamic signature generation for managing network communication systems. Communication sessions and related packet flows are monitored within a network communication system. Application level information is extracted from session packets by unpacking one or more communication protocols associated with the network packets to obtain application level information encapsulated within the network packets. The extracted application level information is compared to a database of known application signatures in order to identify known applications. For unknown applications, the application level information is used to generate new dynamic application signatures. The application level information can also be used to identify and access external network-accessible resources to obtain additional identification information for the unknown application. Identification information for the newly detected application can then be provided to a user along with flow control options for the newly detected application. | 04-09-2015 |
Devin Datta, Melbourne, FL US
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20140379037 | BONE SCREW SYSTEM AND DEVICES PROVIDING SACROILIAC STABILIZATION - A related bone screw system may include a threaded base configured to be screwed into a bone, and a first head carried by the threaded base and defining a first channel therein. The first channel may be configured to receive a first support rod, and the first head may have first internal threads within the first channel. The bone screw device may further include a second head comprising a threaded base configured to be threadably coupled with the first inner threads to secure the first support rod within the first channel of the first screw head, and an articulating head coupled to the threaded base and defining a second channel therein configured to receive a second support rod. The articulating head may be configured for polyaxial movement relative to the threaded base. | 12-25-2014 |
20150127063 | NEUROLOGICAL STIMULATOR SYSTEM WITH DETACHABLE LEAD CONNECTION ARRANGEMENT AND RELATED METHODS - A neural stimulation system may include an electrode lead(s) having a proximal end and a distal end, with the electrode lead(s) including a plurality of spaced apart electrodes carried by the distal end to be positioned adjacent a nerve(s) in a patient. A subcutaneous lead connector plug including a housing electrically connected to the proximal end of the electrode lead(s) may be positioned with the electrode lead(s) inside the patient beneath the patient's skin, with the housing defining a lead connection port(s), and an anchor point(s) carried by the housing. The system may also include a generator lead(s) having a distal end configured to be removably plugged into and electrically connected with the lead connector port(s), and a proximal end. A neural stimulation generator may be electrically connected to the proximal end of the generator lead(s) and configured to provide electrical stimulation to the nerve(s) via the plurality of electrodes. | 05-07-2015 |
Devin Datta US
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20130035727 | SURGICAL DEVICES AND METHODS PROVIDING SACROILIAC STABILIZATION - A surgical method is for at least one ilium having an iliac crest and inner and outer tables on opposing sides of the iliac crest. The method may include inserting at least one base into the ilium, where the at least one base has a channel therein. The method may further include inserting a support member through the ilium and through the channel of the at least one base so that the support member extends between the inner and outer tables, and securing the support member to the at least one base. | 02-07-2013 |
Geeta Datta, Pelham, AL US
Patent application number | Description | Published |
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20100286025 | SYNTHETIC APOLIPOPROTEIN E MIMICKING POLYPEPTIDES AND METHODS OF USE - The present invention provides novel synthetic apolipoprotein E (ApoE)-mimicking peptides wherein the receptor binding domain of apolipoprotein E is covalently linked to 18A, the well characterized lipid-associating model class A amphipathic helical peptide, or a modified version thereof. Such peptides enhance low density lipoprotein (LDL) and very low density lipoprotein (VLDL) binding to and degradation by fibroblast or HepG2 cells. Also provided are possible applications of the synthetic peptides in lowering human plasma LDL/VLDL cholesterol levels, thus inhibiting atherosclerosis. The present invention also relates to synthetic peptides that can improve HDL function and/or exert anti-inflammatory properties. | 11-11-2010 |
20120245101 | SYNTHETIC APOLIPOPROTEIN E MIMICKING POLYPEPTIDES AND METHODS OF USE - The present invention provides novel synthetic apolipoprotein E (ApoE)-mimicking peptides wherein the receptor binding domain of apolipoprotein E is covalently linked to 18A, the well characterized lipid-associating model class A amphipathic helical peptide, or a modified version thereof. Such peptides enhance low density lipoprotein (LDL) and very low density lipoprotein (VLDL) binding to and degradation by fibroblast or HepG2 cells. Also provided are possible applications of the synthetic peptides in lowering human plasma LDL/VLDL cholesterol levels, thus inhibiting atherosclerosis. The present invention also relates to synthetic peptides that can improve HDL function and/or exert anti-inflammatory properties. | 09-27-2012 |
Guggan Datta, Washington, DC US
Patent application number | Description | Published |
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20120117466 | SYSTEM AND METHOD FOR REVEALING HIDDEN INFORMATION IN ELECTRONIC DOCUMENTS - Methods, systems and computer readable medium allow a user to open an electronic document in one of various applications while revealing hidden information, without having to know or execute manual steps or procedures to reveal the hidden information. A user interface of a reveal hidden information application is displayed, the user interface displaying a list of one or more native applications each of which is associated with an electronic document type. An input is received selecting a first native application from the list, and one or more hidden information types are displayed corresponding to the selected native application. Settings for the hidden information types corresponding to the first native application are received. Using the first native application, an electronic document whose document type corresponds to the first native application is then displayed with hidden information revealed/not revealed in accordance with the settings. | 05-10-2012 |
Harmohit S. Datta, Redmond, WA US
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20130080545 | AUTOMATIC ACCESS SETTINGS BASED ON EMAIL RECIPIENTS - A system is provided for automatically designating access and permission settings for documents in a collaborative authoring environment. The system may automatically configure the access and permission settings based on an email message with a link to a document for collaborative editing. The system may determine that certain recipient users in the “CC:” line of the email message be granted read only access while other recipient users in the “To:” line of the email message be granted editing access. Designating the access and privilege settings for the linked document in the email may be transparent to the sender and the recipients of the email. The system may automatically designate the access and privilege settings to the linked document for the recipients of the email without requiring any external input by the sender of the email. | 03-28-2013 |
Indra Datta, Houston, TX US
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20110109633 | System and Method For Visualizing Data Corresponding To Physical Objects - There is provided a system and method for providing a visualization of data describing a physical structure, the data relating to a plurality of properties that each vary along a segment of a curved path. An exemplary method comprises defining a plurality of display locations, each of which is adapted to display a data value for each of the plurality of properties at a corresponding location along the segment of the curved path. The exemplary method also comprises providing a visual representation corresponding to data values for each of the plurality of properties at each of the plurality of data locations along the segment of the curved path. | 05-12-2011 |
20110112802 | System and Method For Visualizing Data Corresponding To Physical Objects - There is provided a system and method for providing a visualization of data corresponding to a physical structure, the data relating to a property that varies along a curved path. An exemplary method comprises defining the curved path by successively computing values for a position, a measured depth and an exit vector for a plurality of path points along the curved path. The exemplary method also comprises providing a visual representation corresponding to the data for the property. | 05-12-2011 |
Indra N. Datta, Houston, TX US
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20110251830 | System and Method For Obtaining A Model of Data Describing A Physical Structure - There is provided a system and method for obtaining a model of data describing a physical structure. An exemplary method comprises defining a three-dimensional (3D) object that corresponds to a physical structure. The 3D object comprises a set of topological elements that each has an initial geometric definition. The exemplary method also comprises creating a subsequent model of the data by updating a subset of the topological elements in the 3D object. Each updated element in the subset has a geometric definition that has changed relative to its initial geometric definition. | 10-13-2011 |
Jashodeep Datta, Philadelphia, PA US
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20150323547 | METHODS FOR MONITORING CD4+ T-HELPER TYPE 1 RESPONSE IN CANCER AND IMMUNE RESTORATION - A method for diagnosing or treating a mammalian subject having, or at risk of developing cancer, comprising: generating a circulating anti-cancer CD4 | 11-12-2015 |
Kathleen Datta, Arlington, MA US
Patent application number | Description | Published |
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20150248534 | System And Method Of Generating A User Interface Display Of Patient Parameter Data - A method and apparatus that displays at least one user interface display image including patient parameter data is provided. An acquisition processor selectively acquires, from a storage repository, at least one type of patient medical parameter data associated with at least one patient acquired over a period of time. A display processor generates a display including at least one display image representing at least a portion of the acquired patient medical parameter data and a navigation bar associated with the at least one display image including a user selectable window identifying a range of acquired patient medical parameter data to be displayed within the display image. A controller is electrically coupled to the acquisition processor and the display processor. The controller controls navigating through the patient medical parameter data and adjustment of the user selectable window, and causes the display processor to modify the generated at least one display image. | 09-03-2015 |
Michael Datta, Brookline, MA US
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20120181944 | METHOD AND APPARATUS PROVIDING DEEP DIMMING OF SOLID STATE LIGHTING SYSTEMS - Disclosed are devices and related methods for optimally extending the range of light output of solid-state light sources, particularly at minimum light levels, through a power converter that includes a phase detector, a processing unit and a switch. The phase detector is configured to receive a voltage signal and to detect rising edges of waveforms of the voltage signal. The processing unit is configured to initiate a predetermined shutdown period in response to each detected rising edge. The switch is configured to provide a control signal that deactivates the power converter during the shutdown period, preventing the power converter from providing power to the solid state light unit during the shutdown period. | 07-19-2012 |
20120235585 | METHOD AND APPARATUS SELECTIVELY DETERMINING UNIVERSAL VOLTAGE INPUT FOR SOLID STATE LIGHT FIXTURES - A device for detecting a dimmer phase angle set by operation of a dimmer for a solid state lighting load includes a processor having a digital input, a first diode connected between the digital input and a voltage source and a second diode connected between the digital input and ground. The device further includes a first capacitor connected between the digital input and a detection node, a second capacitor connected between the detection node and ground, and a resistance connected between the detection node and a rectified voltage node, which receives a rectified voltage from the dimmer. The processor is configured to sample digital pulses at the digital input based on the rectified voltage and to identify the dimmer phase angle based on lengths of the sampled digital pulses. | 09-20-2012 |
20130033193 | METHOD AND APPARATUS FOR ADJUSTING LIGHT OUTPUT RANGE OF SOLID STATE LIGHTING LOAD BASED ON MAXIMUM AND MINIMUM DIMMER SETTINGS - A method is provided for controlling a power converter ( | 02-07-2013 |
20130057180 | METHOD AND APPARATUS FOR DETECTING AND CORRECTING IMPROPER DIMMER OPERATIOIN - A method is provided for detecting and correcting improper operation of a lighting system including a solid state lighting load. The method includes detecting first and second values of a phase angle of a dimmer connected to a power converter driving the solid state lighting load, the first and second values corresponding to consecutive half cycles of an input mains voltage signal, and determining a difference between the first and second values. When the difference is greater than a difference threshold, indicating asymmetric waveforms of the input mains voltage signal, a selected corrective action is implemented. | 03-07-2013 |
20130106298 | METHOD AND APPARATUS FOR INCREASING DIMMING RANGE OF SOLID STATE LIGHTING FIXTURES | 05-02-2013 |
20130141001 | METHOD AND APPARATUS FOR INCREASING DIMMING RANGE OF SOLID STATE LIGHTING FIXTURES - A system for controlling a level of light output by a solid state lighting load controlled by a dimmer includes a phase angle detector and a power converter. The phase angle detector is configured to detect a phase angle of the dimmer based on a rectified voltage from the dimmer and to determine a power control signal based on comparison of the detected phase angle with a predetermined first threshold. The power converter is configured to provide an output voltage to the solid state lighting load, the power converter operating in an open loop mode based on the rectified voltage from the dimmer when the detected phase angle is greater than the first threshold, and operating in a closed loop mode based on the rectified voltage from the dimmer and the determined power control signal from the detection circuit when the detected phase angle is less than the first threshold. | 06-06-2013 |
20130193866 | METHOD AND APPARATUS FOR DETECTING PRESENCE OF DIMMER AND CONTROLLING POWER DELIVERED TO SOLID STATE LIGHTING LOAD - A system and method control an amount of power delivered by a power converter ( | 08-01-2013 |
Michael Datta, Boston, MA US
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20100207534 | INTEGRATED LED-BASED LUMINARE FOR GENERAL LIGHTING - Lighting apparatus and methods employing LED light sources are described. The LED light sources are integrated with other components in the form of a luminaire or other general purpose lighting structure. Some of the lighting structures are formed as Parabolic Aluminum Reflector (PAR) luminaires, allowing them to be inserted into conventional sockets. The lighting structures display beneficial operating characteristics, such as efficient operation, high thermal dissipation, high output, and good color mixing. | 08-19-2010 |
Michael Jay Datta, Somerville, MA US
Patent application number | Description | Published |
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20140203649 | Method and Apparatus for Integrating a Secondary Power Source into a Power Generation Plant - A plant secondary power source consists of an auxiliary power source, an auxiliary converter, and a connection to a power generation plant DC voltage link. The auxiliary power source provides power control functionality without the use of direct communication between the auxiliary power system and the power generation plant. | 07-24-2014 |
20140217827 | APPARATUS FOR AND METHOD OF OPERATION OF A POWER INVERTER SYSTEM - A power inverter system consists of a connection to a primary DC power source, a connection to an AC grid or load, a plurality of switching elements and filter elements to connect the DC power source to the AC grid or load, three power rails internal to the inverter, and a buck/boost circuit to provide a third power rail. The invention allows for simple transformerless grounded or ungrounded connection of a DC power source to an AC grid or load. The voltage rail that is not directly connected to the primary DC power source can be connected to an auxiliary DC power source without any significant additional hardware. | 08-07-2014 |
Michael Jay Datta, Brookline, MA US
Patent application number | Description | Published |
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20120274216 | SELECTIVELY ACTIVATED RAPID START/BLEEDER CIRCUIT FOR SOLID STATE LIGHTING SYSTEM - A device controls current drawn by a solid state lighting (SSL) fixture, including a power converter and an SSL load. The device includes a rapid start/bleeder circuit having a selectable low impedance path, configured to be temporarily activated to form a low impedance connection between a voltage rectifier and the power converter providing power to the SSL load. The low impedance path is temporarily activated during a start-up period to charge the power converter and during times other than the start-up period based on detected improper operation of the SSL fixture. | 11-01-2012 |
20140192527 | INTEGRATED LED-BASED LUMINAIRE FOR GENERAL LIGHTING - Lighting apparatus and methods employing LED light sources are described. The LED light sources are integrated with other components in the form of a luminaire or other general purpose lighting structure. Some of the lighting structures are formed as Parabolic Aluminum Reflector (PAR) luminaires, allowing them to be inserted into conventional sockets. The lighting structures display beneficial operating characteristics, such as efficient operation, high thermal dissipation, high output, and good color mixing. | 07-10-2014 |
Mike Datta, Boston, MA US
Patent application number | Description | Published |
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20110031888 | METHODS AND APPARATUS FOR CONTROLLING RESPECTIVE LOAD CURRENTS OF MULTIPLE SERIES-CONNECTED LOADS - A lighting apparatus ( | 02-10-2011 |
Milton Datta, Atlanta, GA US
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20120083419 | Method and compositions for inhibiting tumorigenesis - The present invention relates to compounds, small interfering RNAs and compositions and methods of inhibiting tumorigenesis and methods of inhibiting tumor cell growth and proliferation using agents that inhibit the hedgehog and Gli signaling pathway, including agents that inhibit GLI synthesis and/or function. The present invention also relates to particular biomarkers that can be used in the diagnosis and prognosis of prostate cancer. Methods of treating cancer, including prostate cancer are also provided using small organic compounds, siRNAs and blocking antibodies that inhibit or block the SHH/GLI pathway. | 04-05-2012 |
Moni Kanchan Datta, Pittsburgh, PA US
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20100078599 | Nanoscale Silicon-Based Compositions and Methods of Preparation - The present invention is related to nano-particle compositions, methods of their preparation and applications thereof. The nano-particle compositions include silicon-containing nano-particles, a graphite matrix, carbon nanotubes and an amorphous carbon interface formed between the silicon-containing nano-particles and the graphite matrix. | 04-01-2010 |
20140045678 | NON-NOBLE METAL BASED ELECTRO-CATALYST COMPOSITIONS FOR PROTON EXCHANGE MEMBRANE BASED WATER ELECTROLYSIS AND METHODS OF MAKING - The invention provides electro-catalyst compositions for an anode electrode of a proton exchange membrane-based water electrolysis system. The compositions include a noble metal component selected from the group consisting of iridium oxide, ruthenium oxide, rhenium oxide and mixtures thereof, and a non-noble metal component selected from the group consisting of tantalum oxide, tin oxide, niobium oxide, titanium oxide, tungsten oxide, molybdenum oxide, yttrium oxide, scandium oxide, cooper oxide, zirconium oxide, nickel oxide and mixtures thereof. Further, the non-noble metal component can include a dopant. The dopant can be at least one element selected from Groups III, V, VI and VII of the Periodic Table. The compositions can be prepared using a surfactant approach or a sol gel approach. Further, the compositions are prepared using noble metal and non-noble metal precursors. Furthermore, a thin film containing the compositions can be deposited onto a substrate to form the anode electrode. | 02-13-2014 |
20140097277 | BIODEGRADABLE IRON-CONTAINING COMPOSITIONS, METHODS OF PREPARING AND APPLICATIONS THEREFOR - The invention relates to biodegradable iron alloy-containing compositions for use in preparing medical devices. In addition, biodegradable crystalline and amorphous compositions of the invention exhibit properties that make them suitable for use as medical devices for implantation into a body of a patient. The compositions include elemental iron and one or more elements selected from manganese, magnesium, zirconium, zinc and calcium. The compositions can be prepared using a high energy milling technique. The resulting compositions and the devices formed therefrom are useful in various surgical procedures, such as but not limited to orthopedic, craniofacial and cardiovascular. | 04-10-2014 |
Paul Joseph Datta, Appleton, WI US
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20100147722 | DIAPER STRUCTURE WITH ALIGNMENT INDICATOR - An absorbent garment, such as a diaper structure, includes a visually discernible alignment indicator visible from a body-facing surface. The alignment indicator includes at least one first reference point. The absorbent garment comes with instructions defining the location of the first reference point on the absorbent article, defining the location of a second reference point on a wearer, and instructing the consumer to position the absorbent garment so that the first reference point optically aligns with the second reference point, and to fasten the absorbent garment in the position. | 06-17-2010 |
Rajib Datta, Tempe, AZ US
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20140265587 | POWER CONVERSION SYSTEM AND METHOD - A power conversion system includes a first converter effectively connected in series to a second converter. Each converter has a plurality of output levels. A phase-shifted transformer is coupled to the converters. The phase-shifted transformer has a delta-wound winding and an open star winding. The first converter is coupled to the open star winding and the second converter is coupled to the delta winding. The open star winding is configured for direct connection to either of a load or the open star winding of a second phase-shifted transformer, having a delta winding connected to a third converter. One or more DC voltage sources are each connected to the first and second converters by a respective DC link capacitor. Each DC voltage source is connected to a common power grid by an isolated multiphase transformer winding. | 09-18-2014 |
Rajib Datta, Niskakyuna, NY US
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20100133901 | Modular stacked subsea power system architectures - A sub-sea power delivery system includes a plurality of modular power converter building blocks on each of the power source side and the sub-sea load side that are stacked and interconnected to meet site expansion requirements and electrical load topologies. The power delivery system comprises a system DC transmission link/bus, wherein the system DC link is configured to carry HVDC or MVDC power from an onshore utility or topside power source to multiple sub-sea load modules. The stacked modular power converter topology on the sub-sea side of the sub-sea power delivery system is symmetrical with the stacked modular power converter topology on the on-shore/top-side of the sub-sea power delivery system. | 06-03-2010 |
Rajib Datta, Nikayuna, NY US
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20140268926 | HIGH VOLTAGE DIRECT CURRENT (HVDC) CONVERTER SYSTEM AND METHOD OF OPERATING THE SAME - A high voltage direct current (HVDC) converter system includes a line commutated converter (LCC) configured to convert a plurality of AC voltages and currents to a regulated DC voltage of one of positive and negative polarity and a DC current transmitted in only one direction. The HVDC converter system also includes a buck converter configured to convert a plurality of AC voltages and currents to a regulated DC voltage of one of positive and negative polarity and a DC current transmitted in one of two directions. The LCC and the buck converter are coupled in parallel to an AC conduit and are coupled in series to a DC conduit. The HVDC converter system further includes a filtering device coupled in parallel to the buck converter through the AC conduit. The filtering device is configured to inject AC current having at least one harmonic frequency into the AC conduit. | 09-18-2014 |
Rakesh Datta, West Roxbury, MA US
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20150111823 | METHOD FOR INHIBITING INFLAMMATION and PRO-INFLAMMATORY CYTOKINE/CHEMOKINE EXPRESSION USING A GHRELIN ANALOGUE - The present invention provides a method of ameliorating inflammation, inhibiting proinflammatory cytokine and/or chemokine expression and treating various diseases and/or conditions incidental to the onset of inflammation, in a subject in need of treatment for such conditions, by administering select analogues of native hGhrelin. | 04-23-2015 |
20150218245 | Composition and Methods for Stimulating Gastrointestinal Motility - The present invention relates to a method of treating a transient impairment of the motility of the gastrointestinal system resulting from postoperative ileus in a patient wherein said method includes the step of administering a therapeutically effective amount of a peptidyl analog of ghrelin to said patient. | 08-06-2015 |
Rakesh Datta, Brookline, MA US
Patent application number | Description | Published |
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20090304724 | Compositions and Methods for Stimulating Gastrointestinal Motility - The present invention relates to a method of treating a transient impairment of the motility of the gastrointestinal system resulting from postoperative ileus in a patient wherein said method includes the step of administering a therapeutically effective amount of a peptidyl analog of ghrelin to said patient. | 12-10-2009 |
20110160133 | METHOD FOR INHIBITING INFLAMMATION AND PRE-INFLAMMATORY CYTOKINE/CHEMOKINE EXPRESSION USING A GHRELIN ANALOGUE - The present invention provides a method of ameliorating inflammation, inhibiting proinflammatory cytokine and/or chemokine expression and treating various diseases and/or conditions incidental to the onset of inflammation, in a subject in need of treatment for such conditions, by administering select analogues of native hGhrelin. | 06-30-2011 |
20110166069 | COMPOSITIONS AND METHODS FOR STIMULATING GASTROINTESTINAL MOTILITY - The present invention relates to a method of treating a transient impairment of the motility of the gastrointestinal system resulting from postoperative ileus in a patient wherein said method includes the step of administering a therapeutically effective amount of a peptidyl analog of ghrelin to said patient. | 07-07-2011 |
Ramyanshu Datta, Austin, TX US
Patent application number | Description | Published |
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20080229166 | Accelerating Test, Debug and Failure Analysis of a Multiprocessor Device - A mechanism for accelerating test, debug and failure analysis of a multiprocessor device is provided. With the mechanism, on-chip trace logic is utilized to receive internal signals from logic provided in modules of the multiprocessor device. The modules are preferably copies of one another such that, given the same inputs, each module should operate in the same manner and generate the same output as long as the modules are operating properly. The modules are provided with the same inputs and the internal signals of the modules are traced using an on-chip trace bus and on-chip trace logic analyzer to perform the trace. The internal signals from one module are compared against another module so as to determine if there is any discrepancy which would indicate a fault. Additional pairs of modules may be compared to pinpoint a faulty module that is the source of the fault. | 09-18-2008 |
Ramyanshu Datta, Dallas, TX US
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20100164762 | METHODS AND APPARATUS TO TEST AND COMPENSATE MULTI-CHANNEL DIGITAL-TO-ANALOG CONVERTERS - Methods and apparatus to test and compensate multi-channel digital-to-analog converters (DACs) are described. In some examples, a multi-channel digital-to-analog converter (DAC) and an error detector are implemented in an integrated circuit. The multi-channel DAC includes a first DAC channel configured to generate a first analog representation of a digital input signal, and a second DAC channel configured to generate a second analog representation of the digital input signal. The error detector is configured to compare the first analog representation and the second analog representation to generate a difference signal, and to output a signal indicative of whether the difference signal is greater than a predetermined threshold. | 07-01-2010 |
Ranjan Datta, Tempe, AZ US
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20090091002 | METHODS FOR PRODUCING IMPROVED EPITAXIAL MATERIALS - This invention provides methods for fabricating substantially continuous layers of group III nitride semiconductor materials having low defect densities. The methods include epitaxial growth of nucleation layers on a base substrate, thermally treatment of said nucleation layer and epitaxial growth of a discontinuous masking layer. The methods outlined promote defect reduction through masking, annihilation and coalescence, therefore producing semiconductor structures with low defect densities. The invention can be applied to a wide range of semiconductor materials, both elemental semiconductors, e.g., combinations of Si (silicon) with strained Si (sSi) and/or Ge (germanium), and compound semiconductors, e.g., group II-VI and group III-V compound semiconductor materials. | 04-09-2009 |
20090098343 | EPITAXIAL METHODS AND TEMPLATES GROWN BY THE METHODS - This invention provides methods for fabricating substantially continuous layers of a group III nitride semiconductor material having low defect densities and optionally having a selected crystal polarity. The methods include epitaxial growth nucleating and/or seeding on the upper portions of a plurality of pillars/islands of a group III nitride material that are irregularly arranged on a template structure. The upper portions of the islands have low defect densities and optionally have a selected crystal polarity. The invention also includes template structures having a substantially continuous layer of a masking material through which emerge upper portions of the pillars/islands. The invention also includes such template structures. The invention can be applied to a wide range of semiconductor materials, both elemental semiconductors, e.g., combinations of Si (silicon) with strained Si (sSi) and/or Ge (germanium), and compound semiconductors, e.g., group II-VI and group III-V compound semiconductor materials. | 04-16-2009 |
Rathin Datta, Warrenville, IL US
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20100294642 | OLEFIN PRODUCTION FROM SYNGAS BY AN INTEGRATED BIOLOGICAL CONVERSION PROCESS - The production of feed for an olefin hydration zone is improved by integrating treatment of an alcohol containing stream from a fermentation zone into an alcohol separation section. The process passes a stream comprising alcohol, water and an organic acid to a separation column. The separation column concetrates the alcohol and organic acids into an upper column fraction. An additive for neutralization the organic acid into contact with said upper column fraction and reacts with the organic acid to produce a neutralization product that passes to a lower portion of the separation column. The column provides an overhead stream for an olefin dehydration zone having an increased concentration of alcohol and a reduced concentration of organic acid. A column bottoms stream containing the neutralization product returns as an input stream to supply the neutralization product to a fermentation zone that produces the alcohol containing stream. | 11-25-2010 |
20100298450 | PROCESS FOR FERMENTATION OF SYNGAS FROM INDIRECT GASIFICATION - Ethanol and other liquid products are produced from biomass using indirect gasification of the biomass to produce a syngas containing CO2, CO, H2 and methane that passes the syngas without substantial removal of the methane to a fermentation zone for the conversion of the CO and CO2 and H2 to ethanol and the production of a methane rich stream followed by the methane reforming of the methane rich stream to produce additional CO and CO2 and H2 that passes to the fermentation zone. | 11-25-2010 |
20110171706 | Integrated Process for Production of Alcohol from Syngas and Removal of CO2 - A process for producing alcohol from syngas integrates the alcohol recovery with the removal of CO | 07-14-2011 |
Ravindra Datta, Worcester, MA US
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20130309592 | MOLTEN-SALT ELECTROLYTE UNITIZED REGENERATIVE HYDROGEN-HALOGEN FUEL CELL WITH ANION TRANSFER - A unitized regenerative fuel cell (URFC) employs a molten salt electrolyte for negative ion transfer by operating at temperatures above that of aqueous reactants for supporting gas-phase reactants, and the molten salt mitigates the need for reactant based catalysts by serving the dual role of the electrolyte as well as an optional catalyst or catalyst solvent. The molten-salt electrolyte (MSE) hydrogen-halogen unitized regenerative fuel cell is adaptable for microgrid electricity storage applications. Configurations herein employ a molten-salt electrolyte and a closed system of the reactants for cycling between charge and discharge modes. The URFC employs reactants including hydrogen and halogen as the oxidant, which is more reactive and energy efficient than oxygen employed in conventional URFCs, and avoids platinum electrodes by employing a high temperature, gas-phase, system which further reduces reactant crossover issues. | 11-21-2013 |
Reena L. Datta, Rochester Hills, MI US
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20080241632 | Use of Hydrophilic Treatment in a Water Vapor Transfer Device - A WVT unit that humidifies a cathode inlet airflow to a fuel cell stack in a fuel cell system. In one embodiment, the WVT unit includes a series of membranes separated by plates defining flow channels at both sides of the membrane. The humidifying gas, typically a cathode outlet gas from the fuel cell stack, flows down the flow channels on one side of each membrane and the cathode inlet air flows down the flow channels on an opposite side of each membrane. According to the invention, the plates have a hydrophilic film so that more water vapor in the humidifying flow channels is exposed to the membrane, and therefore more water is transferred to the cathode airflow. | 10-02-2008 |
20080248368 | MICROTEXTURED FUEL CELL ELEMENTS FOR IMPROVED WATER MANAGEMENT - Methods and materials to improve water management in a fuel cell by microtexturing fuel cell elements, including the separator plate and/or the gas diffusion media. A method of manufacturing a fuel cell includes a separator plate and/or a gas diffusion media that are microtextured. Selective ablation of material and stamping can impart microtexturing, where the microtexturing facilitates water management in the fuel cell. | 10-09-2008 |
20110153140 | METHOD FOR CONDITIONING ONE OR MORE ASPECTS OF A VEHICLE - A method for conditioning one or more aspects of a vehicle, where a user may customize their vehicle by providing desired departure times and conditioning preferences so that the vehicle automatically wakes up, performs the requested conditioning, and is ready for operation by the requested departure time. Some examples of potential conditioning events include activating: a heated or cooled seat, a heated steering wheel, a heated engine block, a heated mirror, a cabin heating ventilation and air conditioning (HVAC) system, a heating or cooling element for a battery pack, a heating or cooling element for a battery charger, and a heating or cooling element for a fuel cell, to name a few. | 06-23-2011 |
20110191220 | METHOD FOR CHARGING A PLUG-IN ELECTRIC VEHICLE - A method for charging a plug-in electric vehicle with an external power source. In an exemplary embodiment, the method receives one or more utility rate preferences from a user, determines the utility rates of a local utility company, determines the total charging time needed to charge the plug-in electric vehicle, uses the utility rate preferences, the utility rates and the total charging time to develop several charging options that are presented to a user, and charges the plug-in electric vehicle according to the charging option selection made by the user. | 08-04-2011 |
20110294029 | HYDROPHILIC COATING FOR FUEL CELL BIPOLAR PLATE AND METHODS OF MAKING THE SAME - One embodiment disclosed includes a product comprising: a fuel cell component comprising a substrate and a first coating overlying the substrate, the coating comprising a compound comprising at least one Si—O group, at least one polar group and at least one group including a saturated or unsaturated carbon chain. | 12-01-2011 |
Reena L. Datta, Rochester, NY US
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20080305385 | FUEL CELL SEPARATOR PLATE SURFACE TREATMENT BY LASER ABLATION - A composite separator plate for use in an electrochemical fuel cell as well as a method of forming same is disclosed. The plate may be formed of polymeric material and electrically conductive material having a non-conductive polymeric outer layer by compression molding, or alternately of a metallic material having an outer metal oxide layer. Contact regions of the plate surface are subsequently ablated with a laser to remove the outer layer of material from the plate. The removal of the outer layer reduces the contact resistance of the plate when used in an electrochemical fuel cell stack, while offering adequate strength and corrosion resistance for the fuel cell stack environment. | 12-11-2008 |
20090117443 | Bipolar Plate Hydrophilic Treatment for Stable Fuel Cell Stack Operation at Low Power - A flow field plate or bipolar plate for a fuel cell that includes a hydrophilic coating formed on flow field channels extending through a tunnel region between a cell active area and the inlet and outlet manifolds. The flow field plates are an assembly of a cathode side unipolar plate and an anode side unipolar plate. The hydrophilic coating is deposited on the unipolar plates prior to the unipolar plates being assembled into the flow field plate so that line of site deposition processes can be used to coat the flow field channels in the tunnel region. The unipolar plates can be any suitable fuel cell unipolar plates, such as stamped unipolar plates or composite unipolar plates. | 05-07-2009 |
20090191351 | FUEL CELL BIPOLAR PLATE WITH VARIABLE SURFACE PROPERTIES - One embodiment of the invention includes a first fuel cell component comprising a first face, a first hydrophilic coating overlying at least a first portion of the first face, and a second less hydrophilic coating overlying at least a second portion of the first face. | 07-30-2009 |
Ritendra Datta, Pittsburgh, PA US
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20140143254 | Category and Attribute Specifications for Product Search Queries - Systems and methods can determine categories for product searches. One or more computing devices can receive a product query of search terms. The product query can be classified to identify a product category. The search terms may be verified against an ambiguous term list for the product category. The search terms may also be verified against an attribute list for the product category. The product query may be classified as fully understood in response to all of the search terms matching either the ambiguous term list or the attribute list for the product category. A product search may be performed on the product query. The product search may be informed by the product category when the product query has been classified as fully understood. Search results may be generated and returned according to the product search. | 05-22-2014 |
20140188934 | DETECTING PRODUCT LINES WITHIN PRODUCT SEARCH QUERIES - Systems and methods can determine product lines product searches. One or more computing devices can receive a product query of search terms. The product query may be classified to identify a product category. A brand may be identified for the product query. The brand may be selected from a list of known brands for the product category. One or more unknown product line terms may be identified within the product query. A metric may be computed to indicate how well the unknown product line terms correspond to an actual product line within the brand. The metric may be compared to a specified threshold. The unknown product line terms may be designated as a new product line of the brand if the metric favorably compares to the specified threshold. A product search may be performed on the product query. Product search results may be returned according to the product search. | 07-03-2014 |
Ritendra Datta, Stage College, PA US
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20080285860 | STUDYING AESTHETICS IN PHOTOGRAPHIC IMAGES USING A COMPUTATIONAL APPROACH - The aesthetic quality of a picture is automatically inferred using visual content as a machine learning problem using, for example, a peer-rated, on-line photo sharing Website as data source. Certain visual features of images are extracted based on the intuition that they can discriminate between aesthetically pleasing and displeasing images. A one-dimensional support vector machine is used to identify features that have noticeable correlation with the community-based aesthetics ratings. Automated classifiers are constructed using the support vector machines and classification trees, with a simple feature selection heuristic being applied to eliminate irrelevant features. Linear regression on polynomial terms of the features is also applied to infer numerical aesthetics ratings. | 11-20-2008 |
Ritendra Datta, State College, PA US
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20090083332 | TAGGING OVER TIME: REAL-WORLD IMAGE ANNOTATION BY LIGHTWEIGHT METALEARNING - A principled, probabilistic approach to meta-learning acts as a go-between for a ‘black-box’ image annotation system and its users. Inspired by inductive transfer, the approach harnesses available information, including the black-box model's performance, the image representations, and a semantic lexicon ontology. Being computationally ‘lightweight.’ the meta-learner efficiently re-trains over time, to improve and/or adapt to changes. The black-box annotation model is not required to be re-trained, allowing computationally intensive algorithms to be used. Both batch and online annotation settings are accommodated. A “tagging over time” approach produces progressively better annotation, significantly outperforming the black-box as well as the static form of the meta-learner, on real-world data. | 03-26-2009 |
20130011070 | STUDYING AESTHETICS IN PHOTOGRAPHIC IMAGES USING A COMPUTATIONAL APPROACH - The aesthetic quality of a picture is automatically inferred using visual content as a machine learning problem using, for example, a peer-rated, on-line photo sharing Website as data source. Certain visual features of images are extracted based on the intuition that they can discriminate between aesthetically pleasing and displeasing images. A one-dimensional support vector machine is used to identify features that have noticeable correlation with the community-based aesthetics ratings. Automated classifiers are constructed using the support vector machines and classification trees, with a simple feature selection heuristic being applied to eliminate irrelevant features. Linear regression on polynomial terms of the features is also applied to infer numerical aesthetics ratings. | 01-10-2013 |
Samali Datta, Fargo, ND US
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20090173919 | Conductive Ink Compositions - Disclosed are conductive ink compositions that include at least one monomer containing exactly one ethylenically unsaturated group, one or more thermoplastic polymers, one or more free radical initiators, and conductive particles. Also disclosed are conductive thermoplastic materials which include at least one thermoplastic polymer produced by polymerization of one or more monomers containing exactly one ethylenically unsaturated group; and conductive particles dispersed in said thermoplastic polymer. The conductive ink compositions and thermoplastic materials can be used in the manufacture of electronic devices, such as radiofrequency identification (“RFID”) devices. | 07-09-2009 |
Sanchaita Datta, Salt Lake City, UT US
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20080317011 | VOIP MULTILINE FAILOVER - Tools and techniques are provided to provide Voice-over-IP (VoIP) communications. On receiving a user request to initiate a telephonic connection from a local site, at which the user is using a VoIP telecommunication device which has no link failover functionality, a system establishes over wide area network links at least two tunnels between a controller at the local site and another controller. Then the system transmits VoIP traffic over at least one of the tunnels from the controller at the local site to the other controller. The system also detects failure of the primary tunnel during the call and performs failover by changing a data path during the call to transmit packets over at least one non-failed tunnel. | 12-25-2008 |
20090182884 | Domain name resolution making IP address selections in response to connection status when multiple connections are present - Methods, configured storage media, and systems are provided for resolving domain names into IP addresses in a path-sensitive manner, namely, a manner that may consider information about a link to a server and/or information about routers and other path components. The IP addresses given in response to domain name resolution requests are selected to provide increased reliability and/or dynamic load-balancing over paths. | 07-16-2009 |
20120030751 | VPN SECURE SESSIONS WITH DYNAMIC IP ADDRESSES - To help maintain secure and convenient connectivity for users when IP addresses change, devices connected between sites by using multiple virtual private network security associations update one another when the security association IP addresses change. The device whose WAN interface IP address changed transmits an address change notification message to the other device over a WAN interface whose IP address did not change. The message indicates which IP address(es) changed and new value(s) to use. The devices can then continue the same secure virtual private network session (from a user point of view above the security association level) by using the new value(s) for the changed IP address(es). Use of the new value for the changed IP address is transparent to (unseen by) VPN applications that are running in the LANs. IPSec sessions and load balancing may be provided. | 02-02-2012 |
Sandeep Robert Datta, Newton, MA US
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20150146939 | SYSTEM AND METHOD FOR AUTOMATICALLY DISCOVERING, CHARACTERIZING, CLASSIFYING AND SEMI-AUTOMATICALLY LABELING ANIMAL BEHAVIOR AND QUANTITATIVE PHENOTYPING OF BEHAVIORS IN ANIMALS - A method for studying the behavior of an animal in an experimental area including stimulating the animal using a stimulus device; collecting data from the animal using a data collection device; analyzing the collected data; and developing a quantitative behavioral primitive from the analyzed data. A system for studying the behavior of an animal in an experimental area including a stimulus device for stimulating the animal; a data collection device for collecting data from the animal; a device for analyzing the collected data; and a device for developing a quantitative behavioral primitive from the analyzed data. A computer implemented method, a computer system and a nontransitory computer readable storage medium related to the same. Also, a method and apparatus for automatically discovering, characterizing and classifying the behavior of an animal in an experimental area. Further, use of a depth camera and/or a touch sensitive device related to the same. | 05-28-2015 |
Sandip K. Datta, Bethesda, MD US
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20140314810 | Compositions Containing Purine and Pyrimidine Nucleosides, Peptides, and Manganese and Their Uses - The invention provides methods of producing vaccines directed against methicillin-resistant | 10-23-2014 |
Saswati Datta, Cincinnati, OH US
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20110202134 | Coated Substrate With Properties of Keratinous Tissue - Article of manufacture comprising a substrate and a coating layer. The coating layer comprises at least one coating material, and is stably affixed to the substrate to form a stable, coated surface. The coated surface has a texture that mimics the topography of mammalian keratinous tissue and demonstrates at least one physical property representative of mammalian keratinous tissue, selected from the group consisting of a total surface energy of from about 15 mJ/m | 08-18-2011 |
20130255355 | Method of Use of Substrate Having Properties of Keratinous Tissue - Method of evaluating a product by applying a substance to the surface of an artificial substrate to form a substance-coated surface and performing an analysis of the substance-coated surface. The surface of the substrate may have one or more of the following properties: a total surface energy of from about 15 mJ/m | 10-03-2013 |
Saurav Datta, Chicago, IL US
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20100300894 | CARBON DIOXIDE CAPTURE USING RESIN-WAFER ELECTRODEIONIZATION - The present invention provides a resin-wafer electrodeionization (RW-EDI) apparatus including cathode and anode electrodes separated by a plurality of porous solid ion exchange resin wafers, which when in use are filled with an aqueous fluid. The apparatus includes one or more wafers comprising a basic ion exchange medium, and preferably includes one or more wafers comprising an acidic ion exchange medium. The wafers are separated from one another by ion exchange membranes. The fluid within the acidic and/or basic ion exchange wafers preferably includes, or is in contact with, a carbonic anhydrase (CA) enzyme to facilitate conversion of bicarbonate ion to carbon dioxide within the acidic medium. A pH suitable for exchange of CO | 12-02-2010 |
20130233715 | INTERNAL GAS AND LIQUID DISTRIBUTOR FOR ELECTRODEIONIZATION DEVICE - The present invention provides a resin-wafer electrodeionization (RW-EDI) apparatus including cathode and anode electrodes separated by a plurality of porous solid ion exchange resin wafers, which when in use are filled with an aqueous fluid. The apparatus includes one or more wafers comprising a basic ion exchange medium, and preferably includes one or more wafers comprising an acidic ion exchange medium. The wafers are separated from one another by ion exchange membranes. The gas and aqueous fluid are introduced into each basic wafer via a porous gas distributor which disperses the gas as micro-sized bubbles laterally throughout the distributor before entering the wafer. The fluid within the acidic and/or basic ion exchange wafers preferably includes, or is in contact with, a carbonic anhydrase (CA) enzyme or inorganic catalyst to facilitate conversion of bicarbonate ion to carbon dioxide within the acidic medium. | 09-12-2013 |
20130292248 | CARBON DIOXIDE CAPTURE USING RESIN-WAFER ELECTRODEIONIZATION - The present invention provides a resin-wafer electrodeionization (RW-EDI) apparatus including cathode and anode electrodes separated by a plurality of porous solid ion exchange resin wafers, which when in use are filled with an aqueous fluid. The apparatus includes one or more wafers comprising a basic ion exchange medium, and preferably includes one or more wafers comprising an acidic ion exchange medium. The wafers are separated from one another by ion exchange membranes. The fluid within the acidic and/or basic ion exchange wafers preferably includes, or is in contact with, a carbonic anhydrase (CA) enzyme to facilitate conversion of bicarbonate ion to carbon dioxide within the acidic medium. A pH suitable for exchange of CO | 11-07-2013 |
20150021184 | Carbon Dioxide Capture Using Resin-Wafer Electrodeionization - The present invention provides a resin-wafer electrodeionization (RW-EDI) apparatus including cathode and anode electrodes separated by a plurality of porous solid ion exchange resin wafers, which when in use are filled with an aqueous fluid. The apparatus includes one or more wafers comprising a basic ion exchange medium, and preferably includes one or more wafers comprising an acidic ion exchange medium. The wafers are separated from one another by ion exchange membranes. The fluid within the acidic and/or basic ion exchange wafers preferably includes, or is in contact with, a carbonic anhydrase (CA) enzyme to facilitate conversion of bicarbonate ion to carbon dioxide within the acidic medium. A pH suitable for exchange of CO | 01-22-2015 |
Saurav Datta, Darien, IL US
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20130065287 | CHEMICAL PROCESSING CELL WITH NANOSTRUCTURED MEMBRANES - A chemical processing cell includes an upstream membrane and a downstream membrane. The upstream membrane generates a first reaction product. The downstream membrane converts the first reaction product to a second reaction product. | 03-14-2013 |
Sayak Datta, Lawrence, KS US
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20130306348 | Artificial Lift Equipment Power Cables - A power cable for artificial lift equipment can include one or more conductor assemblies, each including a copper conductor, a conductor shield with resistivity less than about 5000 ohm-m surrounding the conductor, insulation, an insulation shield having a resistivity less than about 5000 ohm-m surrounding the insulation, a metallic shield surrounding the insulation shield, and a polymer barrier surrounding the metallic shield. Such a cable may include a jacket molded about the one or more conductor assemblies and optionally armor surrounding the jacket. Various other apparatuses, systems, methods, etc., are also disclosed. | 11-21-2013 |
20140000356 | Tape Adhesion Test System | 01-02-2014 |
Simanti Datta, Frederick, MD US
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20100136692 | PLASMIDS AND PHAGES FOR HOMOLOGOUS RECOMBINATION AND METHODS OF USE - Lambda phages that can be used to introduce recombineering functions into host cells are disclosed. Also disclosed are plasmids that can be used to confer recombineering functions to a variety of strains of | 06-03-2010 |
Subhra Datta, Columbus, OH US
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20120310136 | SELECTIVE ULTRAFILTRATION MEMBRANES FOR RENAL REPLACEMENT THERAPIES - A system and method provide improved ultrafiltration of charged/uncharged solutes in a fluid, especially a body fluid. The improvement is achieved through imposed electric field and/or surface charge patterning to a permeable membrane. In many of the embodiments, at least one selected material is used as an additive on a permeate side of the permeable membrane to reduce the sieving coefficient of the membrane with regard to a solute present in the fluid. | 12-06-2012 |
Suchitra Datta, Spartanburg, SC US
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20150259287 | OXINDOLE COMPOUNDS AND COMPOSITIONS COMPRISING THE SAME - Compounds that are derivatives of oxindole conform to the general structure of Formula (I) | 09-17-2015 |
Sudhun Datta, Houston, TX US
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20090205776 | Blends Of Low Crystallinity, Low Molecular Weight Propylene Copolymers And Styrenic Block Copolymers - Styrenic block copolymers are blended with propylene copolymers to provide polymeric compositions with an improved balance between processability and elasticity. The compositions have improved processability by facilitating the ease with which a rubbery material, usually difficult to melt process, can be processed at high line speeds, which in turn improves the formation of the composition into films or other articles, assisted by a desired level of melt elasticity, i.e., a high elastic extension and recovery. | 08-20-2009 |
Sujit S. Datta, Cambridge, MA US
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20120034707 | ATOMICALLY PRECISE NANORIBBONS AND RELATED METHODS - Disclosed are atomically precise nanoribbons formed by gradient-driven catalytic etching of crystalline substrates to produce edges formed along specific crystallographic axes by thermally-activated particles. Also provided are related methods for fabrication of these nanoribbon structures. Further provided are devices and related methods for power generation and for detection of specific targets using the disclosed structures. | 02-09-2012 |
Suman Datta, University Park, PA US
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20090140341 | INDEPENDENT N-TIPS FOR MULTI-GATE TRANSISTORS - Independent n-tips for multi-gate transistors are generally described. In one example, an apparatus includes a semiconductor fin, one or more multi-gate pull down (PD) devices coupled with the semiconductor fin, the one or more PD devices having an n-tip dopant concentration in the semiconductor fin material adjacent to the one or more PD devices, and one or more multi-gate pass gate (PG) devices coupled with the semiconductor fin, the one or more PG devices having an n-tip dopant concentration in the semiconductor fin material adjacent to the one or more PG devices, wherein the n-tip dopant concentration for the PG device is lower than the n-tip dopant concentration for the PD device. | 06-04-2009 |
Sumana Datta, Bryan, TX US
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20120083419 | Method and compositions for inhibiting tumorigenesis - The present invention relates to compounds, small interfering RNAs and compositions and methods of inhibiting tumorigenesis and methods of inhibiting tumor cell growth and proliferation using agents that inhibit the hedgehog and Gli signaling pathway, including agents that inhibit GLI synthesis and/or function. The present invention also relates to particular biomarkers that can be used in the diagnosis and prognosis of prostate cancer. Methods of treating cancer, including prostate cancer are also provided using small organic compounds, siRNAs and blocking antibodies that inhibit or block the SHH/GLI pathway. | 04-05-2012 |
Supriyo Datta, West Lafayette, IN US
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20120176154 | ALL-SPIN LOGIC DEVICES - Illustrative embodiments of all-spin logic devices, circuits, and methods are disclosed. In one embodiment, an all-spin logic device may include a first nanomagnet, a second nanomagnet, and a spin-coherent channel extending between the first and second nanomagnets. The spin-coherent channel may be configured to conduct a spin current from the first nanomagnet to the second nanomagnet to determine a state of the second nanomagnet in response to a state of the first nanomagnet. | 07-12-2012 |
20150236247 | NON-VOLATILE SPIN SWITCH - A circuit element includes first and second nanomagnets and first and second fixed magnets. The first nanomagnet is inductively coupled to a first current carrying element, and is configured to change polarity responsive to current in the first current carrying element. In one example, the first current carrying element includes a spin Hall effect substrate. The second nanomagnet is magnetically coupled to the first nanomagnet, and is inductively coupled to a second current carrying element. The first fixed magnet is disposed on the second nanomagnet and has a first fixed polarity, and second fixed magnet disposed on the second nanomagnet and has a second fixed polarity. | 08-20-2015 |
20150269478 | COMPACT IMPLEMENTATION OF NEURON AND SYNAPSE WITH SPIN SWITCHES - A neuron and synapse implementation is disclosed which incorporates a circuit element that includes first and second nanomagnets and first and second fixed magnets. The first nanomagnet is inductively coupled to a first current carrying element, and is configured to change polarity responsive to current in the first current carrying element. In one example, the first current carrying element includes a spin Hall effect substrate. The second nanomagnet is magnetically coupled to the first nanomagnet, and is inductively coupled to a second current carrying element. The first fixed magnet is disposed on the second nanomagnet and has a first fixed polarity, and second fixed magnet disposed on the second nanomagnet and has a second fixed polarity. | 09-24-2015 |