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Dasgupta, TX

Arjun Dasgupta, Arlington, TX US

Patent application numberDescriptionPublished
20100287214Static Analysis Framework for Database Applications - A tool facilitating static analysis for database applications, such that the static analysis tool (SAT) can significantly enhance the ability for developers to identify security, correctness and performance problems in database applications during the development phase of an application lifecycle. A static analysis tool for database applications presents a framework for database applications using the ADO.NET data access APIs. The SAT framework consists of a core set of static analysis services upon which verticals such as workload extraction, SQL injection detection, identifying data integrity violations, and SQL performance analysis are built using the core services.11-11-2010

Biswajit Dasgupta, Helotes, TX US

Patent application numberDescriptionPublished
20120038376Local Electrochemical Impedance Spectroscopy (LEIS) for Detecting Coating Defects in Buried Pipelines - A system and associated methods for acquiring and analyzing LEIS data from a buried structure, such as a pipeline. A special probe having adjustable electrodes is placed in the soil above the structure. A voltage is applied to the structure, causing more current to emanate from a coating defect than from intact coating. The probe electrodes acquire a response signal, which is analyzed to detect the defect.02-16-2012

Mousumi Dasgupta, Irving, TX US

Patent application numberDescriptionPublished
20090183201INTERACTIVE LEARNING - A method may include providing a live, interactive program or information associated with the live, interactive program on a video display device; and providing a live interactive content icon on the video display device when a current time is before an end time of the live, interactive program, the live interactive content icon indicating that live interactive content is available for the live, interactive program.07-16-2009
20110161882USER INTERFACE ENHANCEMENTS FOR MEDIA CONTENT ACCESS SYSTEMS AND METHODS - Exemplary user interface enhancements for media content access systems and methods are described herein. An exemplary method includes a media content access system launching a graphical user interface for display, the graphical user interface initially including a graphical representation of a channel guide comprising a grid matrix of channel icons representing a plurality of media content channels through which media content is accessible by the media content access system and a graphical representation of an advertisement displayed together with the channel guide in the graphical user interface, detecting a user navigation event within the channel guide displayed in the graphical user interface, and replacing, in response to the user navigation event, the graphical representation of the advertisement with a graphical representation of content specific to a media content channel within the plurality of media content channels. Corresponding user interfaces, systems, and methods are also disclosed.06-30-2011

Purnendu Dasgupta, Arlington, TX US

Patent application numberDescriptionPublished
20080311672Membrane based concentrators - A sample concentrator for concentrating analytes in a solvent-containing liquid sample stream, including concentrator housing having a sample stream flow channel and a gas stream flow channel having an inlet and an outlet, a heater for gas in the gas stream conduit, and a hydrophilic ion exchange or non-ionic membrane barrier separating said gas stream flow channel and said sample stream flow channel. Solvent is evaporated from the liquid sample stream in said sample stream flow channel in or at the interface with said membrane, when the gas stream is at an elevated temperature. A regeneration step is used to regenerate the ion exchange membrane barrier.12-18-2008

Purnendu K. Dasgupta, Arlington, TX US

Patent application numberDescriptionPublished
20080223787Membrane based volatile component-removal devices for liquid chromatography - In a liquid chromatographic system, removing at least part of a volatile component from the liquid sample stream after separation by flowing it through a volatile component-removal device including a porous wall having a surface coating of a permeable polymer less than 10 μm thick. A liquid chromatographic system suitable for performing the method. Also, a liquid chromatographic system in which volatile component is removed prior to separation across the same type of membrane or across a membrane made of a copolymer of perfluoro-2,2-dimethyl-1,3-dioxole.09-18-2008
20090127200Barrier with a seated ion exchange bead and method - Ion transport apparatus (e.g. an electrolytic eluent generator or a suppressor for ion chromatography) in which ions in a first chamber are transported to a liquid in second chamber through a wall comprising an ion exchange bead sealed in a bead seat. The wall is capable of transport ions but of substantially blocking bulk liquid flow.05-21-2009
20090218238ION DETECTOR AND SYSTEM - Apparatus and method for detecting current or potential generated in a liquid sample suitable for use in a chromatography or other liquid sample analytical system. One embodiment is an electrolytic ion transfer device with a signal detector in communication with the electrodes of the transfer device. Another is a combination ion transfer device/electrolyte generator. Another substitutes a detector for the ion transfer device in the combination.09-03-2009
20110272290SYSTEMS AND METHODS FOR ELECTROCHEMICAL ANALYSIS OF ARSENIC - Embodiments of methods for electrochemical analysis of arsenic are described. In one embodiment, a method includes detecting arsenic (III) by, at least in part, applying electrolytic current to an arsenic compound that has not been reduced with a reducing agent. In another embodiment, a method for electrochemical analysis of arsenic includes detecting arsenic (V) by, at least in part, applying electrolytic current to an arsenic compound that has not been reduced with a reducing agent.11-10-2011
20120006103ION DETECTOR AND SYSTEM - Apparatus and method for detecting current or potential generated in a liquid sample suitable for use in a chromatography or other liquid sample analytical system. One embodiment is an electrolytic ion transfer device with a signal detector in communication with the electrodes of the transfer device. Another is a combination ion transfer device/electrolyte generator. Another substitutes a detector for the ion transfer device in the combination.01-12-2012

Patent applications by Purnendu K. Dasgupta, Arlington, TX US

Purnendu Kumar Dasgupta, Arlington, TX US

Patent application numberDescriptionPublished
20090298183METHOD AND APPARATUS FOR ANALYZING ARSENIC CONCENTRATIONS USING GAS PHASE OZONE CHEMILUMINESCENCE - A method of detecting arsenic comprising acidifying at least one sample comprising a known arsenic concentration, reducing arsenic in the sample having the known arsenic concentration to arsine, contacting the arsine in the sample having the known arsenic concentration with a reagent to produce a chemiluminescent emission, measuring the intensity of chemiluminescent emission produced by the sample having the known arsenic concentration, acidifying at least one sample comprising an unknown arsenic concentration, reducing arsenic in the sample having the unknown arsenic concentration to arsine, contacting the arsine in the sample having the unknown arsenic concentration with a photoagent to produce a chemiluminescent emission, measuring the intensity of chemiluminescence emission produced by the sample having the unknown arsenic concentration, and determining the arsenic content in the sample having an unknown arsenic concentration by comparing the intensity of chemiluminescent emission of the sample comprising a known arsenic concentration to the chemiluminescent emission of the sample comprising an unknown arsenic concentration, wherein the arsine is not subjected to a low-temperature trap prior to the reaction with a photoagent.12-03-2009

Sudeep Dasgupta, Irving, TX US

Patent application numberDescriptionPublished
20080235348PROGRAM VIEWING HISTORY - A method may include tracking program viewing information via a set-top box and storing the tracked program viewing information.09-25-2008
20080240411RING TONE REMINDERS - A device may receive a telephone call, automatically create a ring tone in response to receiving the telephone call, and cause the ring tone to be audibly provided to a user.10-02-2008
20090172757METHOD AND APPARATUS FOR REMOTE SET-TOP BOX MANAGEMENT - An approach is provided for remotely controlling set-top boxes. A command is received from a computing device for controlling a plurality of set-top boxes. The set-top boxes are configured according to the received command.07-02-2009
20100010907Method and System for Providing Location Aware Classified Content - A system and method in accordance with exemplary embodiments may include receiving, from a seller system, seller classified profile information via a network, receiving, from a buyer system, buyer classified profile information via the network, receiving, from a Global Positioning System (GPS) enabled device associated with a buyer, polling information via the network, matching the buyer classified profile information to the seller classified profile information in response to receiving the polling information based on at least one of the seller classified profile information, the buyer classified profile information, and the polling information, and transmitting a notification of the match to the Global Positioning System (GPS) enabled device via the network.01-14-2010
20100090865Systems and Methods for Recording Parking Space Information - A system and method for recording data associated with a parking space. The data may be received a portable electronic device, such as a cell phone. The data may be received from a computer readable medium associated with the parking space, such as a bar code. The data may also be received from a wireless signal associated with the parking space, such as a Bluetooth wireless signal. The data may contain such information as the location of the parking space within the parking area. Other information may be included in the data, such as parking rate information for the parking space. A feature may included wherein the data may be transmitted to a server wherein the data may be stored in a storage device. The system and method may also allow payment for the parking space using the personal electronic device and the server.04-15-2010
20100153465SYSTEM AND METHOD FOR PROVIDING IMAGE GEO-METADATA MAPPING - Embodiments of the present disclosure are directed to a system and method including capturing one or more images at a location, wherein metadata is associated with each of the one or more images, determining location information associated with the location; and obtaining one or more addresses in a contact address book. The system and method also including analyzing the metadata associated with the one or more images, the location information, and the one or more addresses in the contact address book by correlating at least two of the metadata associated with the one or more images, the location information, and the one or more addresses in the contact address book; and displaying result of the analysis to a user.06-17-2010
20110238464SYSTEMS AND METHODS FOR RECORDING PARKING SPACE INFORMATION - A system and method for recording data associated with a parking space. The data may be received a portable electronic device, such as a cell phone. The data may be received from a computer readable medium associated with the parking space, such as a bar code. The data may also be received from a wireless signal associated with the parking space, such as a Bluetooth wireless signal. The data may contain such information as the location of the parking space within the parking area. Other information may be included in the data, such as parking rate information for the parking space. A feature may included wherein the data may be transmitted to a server wherein the data may be stored in a storage device. The system and method may also allow payment for the parking space using the personal electronic device and the server.09-29-2011

Patent applications by Sudeep Dasgupta, Irving, TX US

Udayan Dasgupta, Irving, TX US

Patent application numberDescriptionPublished
20090175234Enhanced Sub-Frame-Based-Framing for Wireless Communications - A method of performing wireless communications. The method comprises, at a transmitting station, encoding a plurality of symbols into a frame. The method further comprises, from the transmitting station, transmitting the frame via a wireless communication to a receiving station. The frame comprises a plurality of sub-frames, wherein a first sub-frame in the plurality of sub-frames consists of a first number of symbols and a second sub-frame in the plurality of sub-frames consists of a second number of symbols. Finally, the first number differs from the second number.07-09-2009
20100004542SYSTEM AND METHOD FOR ULTRASOUND COLOR DOPPLER IMAGING - Systems and methods for color Doppler imaging in an ultrasound imaging system are disclosed herein. An ultrasound imaging system includes color Doppler imaging circuitry. The color Doppler imaging circuitry is configured to estimate flow parameters. The imaging circuitry includes a radio frequency (“RF”) demodulator configured to produce in-phase and quadrature components of an ultra-sound data vector. The RF demodulator includes a table in memory that stores interleaved sine and cosine values. The RF demodulator maintains an index value for the table having higher precision than is used to index the table. The RF demodulator rounds the index value for each access of the table. Each table access retrieves a sine value and a cosine value.01-07-2010
20100211761DIGITAL SIGNAL PROCESSOR (DSP) WITH VECTOR MATH INSTRUCTION - In accordance with at least some embodiments, a digital signal processor (DSP) includes an instruction fetch unit and an instruction decode unit in communication with the instruction fetch unit. The DSP also includes a register set and a plurality of work units in communication with the instruction decode unit. A vector math instruction decoded by the instruction decode unit causes input vectors and output vectors to be aligned with a maximum boundary of the register set and causes parallel operations by the work units.08-19-2010

Patent applications by Udayan Dasgupta, Irving, TX US