Chakravarty
Abhijit Chakravarty, Maharashtra IN
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20120101905 | Method and Apparatus for Generating a Multimedia Advertisement - A method and system for generating multimedia advertisement is disclosed. In an embodiment, a method for generating multimedia advertisement is disclosed. The method comprising accessing user selected files, accessing an information file, processing user selected image files or video files using the information file, processing user selected audio files using the information file, and generating a multimedia advertisement file. | 04-26-2012 |
Abhinav Chakravarty, Gurgaon IN
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20130339875 | METHOD AND APPARATUS FOR PRESENTING A PARTICIPANT ENGAGEMENT LEVEL IN AN ONLINE INTERACTION - A method and apparatus for presenting a participant engagement index in an online interaction conducted by at least one host for at least one participant is disclosed. The method comprises monitoring a plurality of activities of at least one participant of an online meeting; computing an attentiveness level in response to each activity in the plurality of activities; and displaying a meeting engagement level, wherein the meeting engagement level is an average of the computed attentiveness level for the at least one participant since the start of the online interaction. | 12-19-2013 |
Avik Chakravarty, Essex GB
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20090108266 | Friction Control in Apparatus Having Wide Bandgap Semiconductors - Apparatus comprising, in use, a wide bandgap semiconductor, a conductor which is moveable relative to the semiconductor and means for applying a potential across the junction between a conductor and semiconductor to control the friction generated by the relative movement between the semiconductor and the conductor. A method of controlling friction between a wide bandgap semiconductor and conductor which are moveable relative to each other comprising applying a potential across the junction between the semiconductor and the conductor. | 04-30-2009 |
Kingshuk Chakravarty, West Bengal IN
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20140341439 | Identification of People Using Multiple Skeleton Recording Devices - Method(s) and system(s) for identification of an unknown person are disclosed. The method includes receiving skeleton data comprises data of multiple skeleton joints of the unknown person from skeleton recording devices. The method further includes extracting G gait feature vectors from the skeleton data. Further, the method includes classifying each gait feature vector into one of N classes based on a training dataset for N known persons and computing a classification score for each class. The method also includes clustering the training dataset into M clusters based on M predefined characteristic attributes of the known persons, tagging each gait feature vector with one of the M clusters based on a distance between a respective gait feature vector and cluster centers of M clusters, and determining a clustering score for each M cluster. The method further includes identifying the unknown person based on clustering scores and classification scores. | 11-20-2014 |
Kingshuk Chakravarty, Kolkata IN
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20150049016 | MULTIMODAL SYSTEM AND METHOD FACILITATING GESTURE CREATION THROUGH SCALAR AND VECTOR DATA - A device and a method facilitating generation of one or more intuitive gesture sets for the interpretation of a specific purpose are disclosed. Data is captured in a scalar and a vector form which is further fused and stored. The intuitive gesture sets generated after the fusion are further used by one or more components/devices/modules for one or more specific purpose. Also incorporated is a system for playing a game. The system receives one or more actions in a scalar and a vector from one or more user in order to map the action with at least one pre stored gesture to identify a user in control amongst a plurality of users and interpret the action of user for playing the game. In accordance with the interpretation, an act is generated by the one or more component of the system for playing the game. | 02-19-2015 |
Pradeep Chakravarty, Gujarat IN
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20110275722 | PROPOFOL BASED ANESTHETIC WITH PRESERVATIVE - The invention is a sterile pharmaceutical composition for parenteral administration comprised of an oil-in-water emulsion, in which Propofol is dissolved in a water-immiscible lipophilic agents, and surface stabilizing amphiphilic agent, and tonicity modifying water-soluble hydroxy group and preservative preferably, lipophilic organic compound (butylated hydroxytoluene, butylated hydroxyanisole) or its pharmaceutically acceptable salts thereof | 11-10-2011 |
Probir Chakravarty, West Sussex GB
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20080260726 | Organic Compounds - A method of identifying a substance suitable for use in inhibiting mucus hypersecretion that modulates the activity of a human cathepsin C gene or its gene product. The method involves combining a candidate substance with the human cathepsin C gene or its gene product and measuring the effect of the candidate substance on the activity of the gene or its gene product. | 10-23-2008 |
Suhas Chakravarty, New Delhi IN
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20090251226 | LOCK DETECTION CIRCUIT FOR PHASE LOCKED LOOP - A lock detector circuit for detecting a lock condition between a reference signal and a feedback signal includes a first counter for outputting a first counter value indicative of a number of clock cycles of the reference signal, and a second counter for outputting a second counter value indicative of a number of clock cycles of the feedback signal. An asynchronous comparator receives the first and second counter values and provides an output signal having a pulse width that is proportional to the difference between the first and second counter values. A pulse width detector receives the comparator output signal and produces an output signal that is indicative of the relationship between the pulse width of the comparator output signal and a predetermined threshold value. A state machine controls the state of at least one lock indication signal according to the pulse width detector output signal. | 10-08-2009 |
Sujoy Chakravarty, Bangalore IN
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20090140772 | ARCHITECTURE FOR VBUS PULSING IN UDSM PROCESSES - Architecture for VBUS pulsing in an Ultra Deep Sub Micron (UDSM) process for ensuring USB-OTG (On The Go) session request protocol, the architecture being of the type wherein at least a charging circuit is deployed, uses a diode-means connected in a forward path of the charging circuit. The architecture might include a diode-divider including nodes and connected from VBUS in said charging circuit. One embodiment uses both charging and discharging circuits comprising transistors. The charging circuit transistor might comprise a PMOS transistor and the discharging circuit transistor might comprise a NMOS transistor. The architecture might include a three resistance string of a total resistance value approximating 100K Ohms connected between said VBUS and ground, wherein the discharging circuit transistor might comprise a drain extended NMOS transistor. The charging and discharging circuit transistors have VDS and VGD of about 3.6V, whereby high VGS transistors are not needed. | 06-04-2009 |
20110254603 | PHASE INTERPOLATOR AND A DELAY CIRCUIT FOR THE PHASE INTERPOLATOR - Phase interpolator and a delay circuit for the phase interpolator. The phase interpolator includes a variable delay circuit to rotate phase of an input clock to generate a phase rotated signal. The phase interpolator also includes a delay locked loop coupled to the variable delay circuit to generate a plurality of phase shifted outputs. The delay locked loop includes a plurality of delay elements. Each delay element includes a multiplexer and a delay cell coupled to the multiplexer. The multiplexer is configurable using a first control signal to output one of the phase rotated signal and a phase shifted output of the plurality of phase shifted outputs. The delay cell delays one of the phase rotated signal and the phase shifted output to generate another phase shifted output of the plurality of phase shifted outputs. | 10-20-2011 |
Sujoy Chinmoy Chakravarty, Bangalore IN
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20090302895 | CONSTANT OUTPUT COMMON MODE VOLTAGE OF A PRE-AMPLIFIER CIRCUIT - A method, apparatus and system of constant output common mode voltage of a pre-amplifier circuit are disclosed. In one embodiment, a system includes a first circuit, a comparator circuit coupled with an output of the first circuit, a pre-amplifier circuit of the comparator circuit, a tracking circuit coupled with a common output location of the pre-amplifier circuit to provide (e.g., source/sink) an additional current to the common output location of the pre-amplifier circuit using an alternate current path in the tracking circuit when an input common mode of the pre-amplifier circuit is beyond a saturation range, and a second circuit of the comparator circuit coupled with the pre-amplifier circuit. A scaled version of a pair of input transistors of a pre-amplifier circuit of the tracking circuit may be created using a scaling factor (āNā). | 12-10-2009 |
20140247071 | ARCHITECTURE FOR VBUS PULSING IN UDSM PROCESSES - Architecture for VBUS pulsing in an Ultra Deep Sub Micron (UDSM) process for ensuring USB-OTG (On The Go) session request protocol, the architecture being of the type wherein at least a charging circuit is deployed, uses a diode-means connected in a forward path of the charging circuit. The architecture might include a diode-divider including nodes and connected from VBUS in said charging circuit. One embodiment uses both charging and discharging circuits comprising transistors. The charging circuit transistor might comprise a PMOS transistor and the discharging circuit transistor might comprise a NMOS transistor. The architecture might include a three resistance string of a total resistance value approximating 100K Ohms connected between said VBUS and ground, wherein the discharging circuit transistor might comprise a drain extended NMOS transistor. The charging and discharging circuit transistors have VDS and VGD of about 3.6V, whereby high VGS transistors are not needed. | 09-04-2014 |
20140266361 | DUTY CYCLE CORRECTION CIRCUIT - In an embodiment, a duty cycle correction circuit comprises a first set of inverters connected in series, a first filter, a first feedback circuit and a second feedback circuit. A first inverter in the series is configured to receive a clock signal and a last inverter in the series is configured to provide a first output clock signal. The first filter is configured to generate a first direct current (DC) voltage signal at an output of the first filter. The first feedback circuit is configured to control a rise time of a signal transition at an output terminal of the first inverter to control a duty cycle of the first output clock cycle. The second feedback circuit is configured to control a fall time of the signal transition at the output terminal of the first inverter to control the duty cycle of the first output clock cycle. | 09-18-2014 |
Swagat Chakravarty, Brussels BE
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20140372970 | METHOD TO AUTO GENERATE JAX-RS REST SERVICE IMPLEMENTATION CLASSES FROM EXISTING INTERFACES - A method, computer program product, and system for auto generating a Java application programming interface (JAX-RS) for representational state transfer (REST) web services. A reference interface for a REST service object is received by a server computer system. A set of determiners defines a plurality of configuration values for a REST service object to generate a service binding. A plurality of resource methods for each resource class in the reference interface is determined, and for each resource method, a parameter, a return type, and an exception are determined. Each resource method of each class is sequentially processed and the name of each resource is written into a string buffer. The operation type for each resource method for each resource class is determined based on at least one predefined match and an operation name is written into the string buffer for each resource method. A return type is determined for each resource method for each resource class. Each parameter in the resource method is converted to a JAX-RS compatible parameter. | 12-18-2014 |
Tapas Chakravarty, West Bengal IN
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20140134948 | Method and System for Accurate Straight Line Distance Estimation Between Two Communication Devices - A method and system is provided for estimating proximity and accurately calculating the straight line distance between the communicating Bluetooth enabled portable communication devices. Particularly, the invention provides a method and system for capturing the received signal strength indicator (RSSI) values form at least one target communication device ( | 05-15-2014 |
Tapas Chakravarty, Kolkata, West Bengal IN
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20140288766 | Real-Time Monitoring of Vehicle - A monitoring unit for vehicle monitoring comprising a receiving module configured to receive data from an OBD, wherein the data is associated with a plurality of jerks detected by a 3-axis accelerometer. The monitoring unit comprises an analytics module configured to compare an intensity of each jerk of the plurality of jerks to a predefined jerk threshold and capture high intensity jerks from the plurality of jerks. The high intensity jerks have intensity equal to or more than the predefined jerk threshold. The method further comprises determining an elapsed time for each of the high intensity jerks. The elapsed time for each of the high intensity jerks is compared to a predefined time threshold. Further it is determined whether an analysis on the high intensity jerks is to be performed at the vehicle or at a server located remotely. | 09-25-2014 |
Tapas Chakravarty, Bangalore IN
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20130105585 | Packaged RFID Passive Tag for Small Sized Devices | 05-02-2013 |
20130135084 | System and Method for Simultaneous Wireless Charging, Tracking And Monitoring Of Equipments - A system and method for simultaneous charging, tracking and monitoring one or more equipments, comprising actuating a coordinator using a management server for transmitting UHF radio waves; receiving the transmitted UHF radio waves by a receiver; converting the UHF radio waves into DC power by employing an energy harvesting IC for charging a battery pack of said equipment, and simultaneously activating an RFID tag for receiving one or more operational parameters related to said equipment by employing said one or more sensors and transmitting said received one or more operational parameters by using short range data communication protocol via said coordinator. | 05-30-2013 |
Tapas Chakravarty, Kolkata IN
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20130023283 | System for Wireless Location Estimation Using Radio Transceivers with Polarization Diversity - A system and method for wireless location estimation of a mobile node using radio transceivers with polarization diversity have been disclosed. The system includes a plurality of pre-defined fixed reference nodes distributed over a predetermined area adapted to transmit fixed reference signals. The system further includes mobile node transmission module at the mobile node adapted to transmit mobile reference signals with respect the mobile node and plurality of pre-defined fixed reference nodes. The horizontal polarization module and vertical polarization module polarize the transmitted mobile reference signals and the strength of the signals is measured. The derivation module derives the range of the signals. Subsequently, a profile of the derived range with reference to the measured signal strength is created by the system. The system further employs a trilateration algorithm to determine localization of the node using the created profile, thereby providing the location estimation for the mobile node. | 01-24-2013 |
20130241794 | MICROSTRIP ANTENNA - The subject matter described herein relates a microstrip antenna. In one implementation, the microstrip antenna comprises a dielectric substrate, a first metallic layer on a first side of the dielectric substrate and a second metallic layer on a second side, opposite to the first side, of the dielectric substrate. The first metallic layer on the dielectric substrate comprises one or more end-to-end slots to divide the first metallic layer into a plurality of microstrip patches. The microstrip antenna also comprises a feed circuit which is electromagnetically coupled to the plurality of microstrip patches and the second metallic layer. | 09-19-2013 |
20140239076 | RFID Tag Enabled Article and a Method Therefor - A radio-frequency identification (RFID) tag assembly enabled article and methods therefor are provided. The RFID tag assembly enabled article includes a RFID tag assembly connected to an article with a pair of conducting strips, wherein the pair of conducting strips is connected between each end of the RFID tag assembly, respectively, and the article to form an electrical association of said RFID tag assembly with the article. The RFID tag assembly further comprising an antenna formed from said electrical association of the RFID tag assembly with the article and a RFID microchip securely embedded within at least one layer of a substrate of the RFID tag assembly, wherein said RFID microchip coordinates with the article and the antenna to establish a stable impedance matching network. A support structure holds at least one end of the article. | 08-28-2014 |
20150019067 | SYSTEM AND METHOD FOR DETECTING ANOMALY ASSOCIATED WITH DRIVING OF A VEHICLE - Disclosed are a device, system and methods for detecting an anomaly associated with driving of a vehicle. Z-axis acceleration data is determined at the device. Based on the Z-axis acceleration data, jerk energies are computed and transmitted to the system for analysis. Further, the jerk energies are received for a plurality of trips at the system. Further, at the system, statistical analysis is performed on the jerk energies for determining a hazard rate for each trip of the plurality of trips. Then based on the hazard rate determined for each of the plurality of trips, a trend analysis is performed. Based on the trend analysis, any anomaly associated with the driving of the vehicle is detected. Further, the anomaly detected may be notified to a person associated with the device or with a monitoring terminal. | 01-15-2015 |