| INDIAN INSTITUTE OF SCIENCE Patent applications |
| Patent application number | Title | Published |
|---|
| 20120085945 | FIBER OPTIC LIQUID LEVEL DETECTOR - The present invention provides a hollow prism for detecting liquid level in the presence of an optical beam, including a hollow member, dielectric members sealed to the hollow member with one of the dielectric members arranged at an inclined angle to the other, a sealed hollow space disposed between said dielectric members, wherein an incident optical beam enters through the first dielectric member at normal incidence and exits as an emergent beam through the second dielectric member, and wherein the emergent optical beam remains undeviated when the hollow member not immersed in a liquid medium and the emergent beam suffers deviation when immersed in the liquid medium. The present invention also provides a fiber optic liquid level detector with the hollow prism for detecting liquid levels. | 04-12-2012 |
| 20120043858 | Energy Harvesting Devices Using Carbon Nanotube (CNT)-Based Electrodes - Energy harvesting elements or membranes are provided that use a layer of electrodes with a mixture of carbon nanotubes (CNT). The energy harvesting device of this type can be used as in sensor-based system in which on application of a bending load, the energy harvesting device produces a voltage across the electrodes. The energy harvesting device may include an electrode coating including carbon nanotubes (CNT) substantially homogenously dispersed in epoxy resin system to form a CNT-epoxy electrode coating. The CNT-epoxy electrode can be realized by dispersing about 5% CNT (by weight) in an epoxy-resin system, followed by mixing the system to achieve a near-homogenous dispersion resulting in a CNT-epoxy mixture. The CNT-epoxy mixture can then be uniformly coated on surfaces of a polymer to form electrodes. | 02-23-2012 |
| 20120016014 | BENZOTHIOPHENE CARBOXAMIDE COMPOUNDS, COMPOSITION AND APPLICATIONS THEREOF - The present invention provides benzothiophene carboxamide compounds of formula I, their polymorphs, stereoisomers, prodrugs, solvates, pharmaceutically acceptable salts and formulations thereof, which are useful as COX-2 inhibitors and PfENR inhibitors. | 01-19-2012 |
| 20120007586 | Surfaces with Embedded Sensing and Actuation Networks Using Complementary-Metal-Oxide-Semiconductor (CMOS) Sensing Chips - A device and method for area sensing and actuation comprises highly scalable sensing and actuation network that can control a high density of sensing and actuation elements over a physical area. The device comprises a matrix of CMOS sensing chips that each comprise a plurality of sensing electrodes arranged in a matrix of columns and rows along horizontal wires and vertical wires. The vertical wires carry an activation signal to activate a column of sensing electrodes, and the vertical wires carry sensing and actuation signals between the column of sensing electrodes and a processing chip. The signals may be amplified by CMOS sensing chips between the source and destination of the signals. In this way, signals may be received from and sent to a dense matrix of sensing electrodes spanning a large geographic area with little or no degradation. | 01-12-2012 |
| 20120003268 | SYNERGISTIC COMBINATION AND METHOD THEREOF - A method for the treatment of myeloma and thymoma by administering a therapeutically effective dose of | 01-05-2012 |
| 20110315920 | PROCESS FOR PREPARATION OF NANO CERAMIC-METAL MATRIX COMPOSITES AND APPARATUS THEREOF - A method to introduce ceramic particles into the liquid metal from the polymeric precursor route by in-situ process by cross-linking organic precursor into a hard polymer, this powder is crushed, and then added to the liquid melt for in-situ pyrolysis of the organic into the ceramic phase. The starting material, the organic, for the above process can be in the form of a liquid or a solid. If it is a solid it us usually dissolved into a solvent to create a liquid form. The organic is then cross linked either directly by a thermal process, by adding a catalyst, or by the well known sol-gel process into a hard polymer. It is this hard polymer which is then pyrolyzed into the high temperature ceramic material by the process outlined above. | 12-29-2011 |
| 20110300561 | Method for Identifying Inhibitors of Staphylococcus Aureus - Provided are methods for identifying and/or designing inhibitors of | 12-08-2011 |
| 20110289351 | DISTRIBUTED STORAGE SYSTEM AND A METHOD THEREOF - Embodiments of the disclosure relate to a distributed storage system comprising of storage nodes storing source data amongst them in a coded, and typically, redundant manner. The data to be stored in the storage nodes may be disseminated from the source across the network in a distributed manner. The system also includes end users who recover the source data by connecting to subsets of the storage nodes. A failed storage node may be repaired by downloading data from subsets of existing nodes. The storage space required in the nodes, and the network bandwidth utilized for repair are minimized. | 11-24-2011 |
| 20110268203 | Techniques for Decoding Transmitted Signals Using Reactive Taboo Searches (RTS) - Techniques for enabling an estimate of a transmitted signal vector, given a received signal vector and a channel matrix to be computed, are provided. An initial solution signal vector for the estimate is calculated, and based on the initial estimate, a pool of possible solutions is generated. Methods described herein may be iterative in nature, and may cycle through possible estimates of the transmitted signal vector so as to continually improve the estimates and the pool of possible estimates. The methods may terminate once stopping criteria are reached. In some example methods, solutions may be marked at taboo and a taboo period can be established that indicates a number of subsequent iterations for which the current solution signal vector cannot be considered. | 11-03-2011 |
| 20110249557 | Centralized Wireless Manager (WiM) for Performance Management of IEEE 802.11 and a Method Thereof - The present invention is an implementation of a network device called Wireless Manager (WiM) a centralized controller for QoS management of infrastructure WLANs based on the IEEE 802.11 DCF standards. The WiM queues and schedules packets from all the traffic flowing between the Access Points (APs) and the wireline LAN which requires no changes to the AP or the STAs, and can be viewed as implementing a Split-MAC architecture. The objectives of WiM are to manage various TCP performance related issues such as the throughput anomaly when STAs associate with an AP with mixed PHY rates, and upload download unfairness induced by finite AP buffers, and also to serve as the controller for VoIP admission control and handovers, and for other QoS management measures. | 10-13-2011 |
| 20110241490 | Polymer Metal Composite Membranes - Systems and methods of harvesting and converting naturally occurring energy are described that include exposing a material to an ambient condition and harvesting at least a portion of energy that is created. Energy harvesting from fluidic and flow environments or vibration can be accomplished using types of energy harvesters, such as flexible polymers. Active materials or Electro-Active Polymer (EAP)-metal composite thin films like Ionic Polymers, Piezoceramic materials, and electromagnetic systems may be used as mechanical to electrical energy transducers. One type of an ionic EAP is ionic polymer-metal composite (IPMC), which includes a base polymer membrane that may be coated with a metal to act as a surface electrode. The surface electrode may be silver (Ag) nanoparticles. The silver nanoparticle functionalized IPMC can be used to convert mechanical vibrations and fluidic flow to electrical energy to power wireless devices and microelectronic systems, for example. | 10-06-2011 |
| 20110134422 | METHOD FOR DETECTING VIBRATIONAL STRUCTURE OF A MOLECULE AND A SYSTEM THEREOF - The present invention relates to a method for detecting vibrational structure of a molecule by generation of the Loss signals with the help of interaction of White Light Continuum (WL) and narrow spectral width picosecond pulse on the surface of the sample, known as Ultrafast Raman Loss Spectroscopy (URLS). The invention further defines a system for generation of Loss signals for detection of the vibrational structure of a molecule. | 06-09-2011 |
| 20110125701 | System and Method of Using Multi Pattern Viterbi Algorithm for Joint Decoding of Multiple Patterns - Systems, devices, and methods for using Multi-Pattern Viterbi Algorithm for joint decoding of multiple patterns are disclosed. An exemplary method may receive a plurality of sets of time-sequential signal observations for each of a number K of signal repetitions. Further, each set of signal observations is associated with a respective dimension of a K-dimensional time grid having time-indexed points. Moreover, at each of a plurality of the time-indexed points, a state cost metric is calculated with a processor for each state in a set of states of a hidden Markov model (HMM). In addition, each state in the set of states and for a given time-indexed point, the state cost metric calculation provides a most-likely predecessor state and a corresponding most-likely predecessor time-indexed point. The exemplary method may also determine a sequence of states using the calculated state cost metrics and determine a corresponding cumulative probability measure for the HMM. | 05-26-2011 |
| 20110117132 | MUTATED SALMONELLA TYPHI STRAIN AND USE THEREOF IN A VACCINE - The present invention relates to an attenuated | 05-19-2011 |
| 20110115559 | SYSTEM FOR REDUCING DISTORTION IN AN ELECTRONIC CIRCUIT USING NONLINEAR FEEDBACK - System and methods for reducing third harmonic distortion produced by nonlinear amplifiers are disclosed. A system may include an amplifier circuit with an amplifier transistor such that the amplifier is capable of exhibiting an amplifier output signal containing third harmonic distortion. Further, a system may include a nonlinear feedback circuit with a first feedback transistor operating in Triode mode that produces a feedback electronic signal containing a feedback third harmonic component. In addition, the nonlinear feedback circuit may be configured to the amplifier circuit in negative feedback such that the feedback third harmonic component of the feedback electronic signal reduces the third harmonic distortion of the amplifier output signal. A system may also provide an output signal that has less third harmonic distortion than the amplifier output signal. | 05-19-2011 |
| 20110069746 | Method to Detect Data Transmitted by Multiple Antennas - The present invention relates to a system and a multistage signal detection method to jointly detect the data symbols transmitted from multiple transmit antennas in a communication terminal and received using multiple receive antennas in another communication terminal. | 03-24-2011 |
| 20110050883 | MACHINE VISION BASED OBSTACLE AVOIDANCE SYSTEM - Machine vision based obstacle avoidance system is provided. The system utilizes a CCD camera to capture an image. A normalized image and dynamic masking is used in object detection | 03-03-2011 |
| 20110050201 | Sub-Threshold Forced Plate FET Sensor for Sensing Inertial Displacements, a Method and System Thereof - The present invention relates to a Sub-threshold Field Effect Transistor (SF-FET). The invention integrates a MEMS mechanical transducer along with the sensing mechanism in a single device. Forced mass is capacitively coupled onto the FET structure. Dielectric SiO | 03-03-2011 |
| 20110050157 | INDUCTION MOTOR - An active reactive induction motor is provided. The motor comprises two sets of three-phase windings. One set of windings carries the active power and is called the power windings. The second set of windings carries the reactive power and is called the flux windings. The power windings carrying the active power provides more power to the induction motor than the flux windings carrying the reactive power. A driver circuit for driving the active reactive induction motor and the corresponding modes of operation is also provided. | 03-03-2011 |
| 20110038543 | SYSTEM AND METHOD FOR SEARCHING HANDWRITTEN TEXTS - A language-neutral method for searching online handwritten notes is provided. The different algorithms contained in this method enable querying online multilingual handwritten documents with substrings of words rather than just whole words. More particularly, two approaches are presented—one based on partial Fréchet distance calculations and the other based on a pair hidden Markov models. The partial Fréchet distance is adapted from the traditional Fréchet distance concept to match a subcurve or prefix of a query word. The pair hidden Markov model used in the present application is adapted from pair hidden Markov models used in bioinformatics as generative models of local and global alignment of biological sequences. | 02-17-2011 |
| 20110038465 | CARBON NANOTUBE ARRAY FOR FOCUSED FIELD EMISSION - Systems and methods are provided for field emission device. An array of carbon nanotubes is arranged in a variable height distribution over a cathode substrate. An anode is provided to accelerate the emitted electrons toward an x-ray plate. Voltage is supplied across the array of carbon nanotubes to cause emission of electrons. The pointed height distribution may be linear or parabolic, and a peak height of the variable height distribution may occur in a center of the array. A side gate may also be provided adjacent the array of carbon nanotubes to provide improved electron emission and focusing control. | 02-17-2011 |
| 20110034385 | Compositions Useful for the Treatment of Diabetes and Other Chronic Disorder - The present invention provides a supramolecular protein assembly useful as a protein therapeutics for the treatment of metabolic disorders particularly diabetes. The supramolecular protein assembly disclosed in the present invention consists of insoluble and aggregated oligomers the protein. The invention also provides pharmaceutical compositions comprising supramolecular protein assembly. The composition disclosed in the present invention particularly comprises supramolecular insulin assembly. | 02-10-2011 |
| 20110023632 | SUB-THRESHOLD ELASTIC DEFLECTION FET SENSOR FOR SENSING PRESSURE/FORCE, A METHOD AND SYSTEM THEREOF - The present invention relates to high sensitivity elastic deflection sensors, more particularly related to capacitively coupled FET based elastic deflection sensors. A sub-threshold elastic deflection FET sensor for sensing pressure/force comprises an elastic member forming a moving gate of the sensor, fixed dielectric on substrate of the FET, and a fluid dielectric between the elastic member and the fixed dielectric, wherein alteration in the height of the fluid dielectric (TSENS) due to pressure/force on the elastic member varies the sensor gate capacitance. | 02-03-2011 |
| 20110021615 | METHOD OF PROTECTING PLANT(S) AND A PROCESS THEREOF - The present invention relates to a method of treating plant(s) against larval pests by the use of terreulactone. It also relates to a process for producing meroterpenoid from fungus | 01-27-2011 |
| 20100302955 | PACKET RETRANSMISSION OPTIMIZATION IN WIRELESS NETWORK - Embodiments of the present disclosure set forth methods for determining a probability of retransmitting a packet in a time slot for a source node in a wireless network. Some example methods include determining whether transmission of the packet in the time slot is successful, measuring a number of time slots accumulated since a most recent successful transmission of the packet by the source node, and determining a first value of the probability based on a second value associated with the number of time slots accumulated. | 12-02-2010 |
| 20100297104 | DENDRITIC MACROMOLECULE AND A PROCESS THEREOF - The present invention is in relation to a dendritic molecule having symmetrically sited branches having four or more generations of dendrimers wherein the branch points are tertiary amines linked together with oxygen atom of ether and the heteroatoms are separated by a substituted or non-substituted linear three methylene linker. In addition the invention also provides a process to prepare such dendritic macromolecules. | 11-25-2010 |
| 20100272073 | RESOURCE ALLOCATION IN WIRELESS COMMUNICATION NETWORK - Embodiment of the disclosure set forth resource allocation in a wireless network. Some example methods include selecting a node based on probability of having available data at the node, sending an inquiry to the node, deriving a first set of average cost estimates based on a first step-size function, network information measured at the node, and a predetermined value, calculating a second set of threshold values based on a second step-size function and the first set of average cost estimates, updating the second set of values to generate a third set of threshold values based on the predetermined value, and allocating resources for the node based on the third set of threshold values. | 10-28-2010 |
| 20100268677 | APPROACH FOR SOLVING A CONSTRAINED OPTIMIZATION PROBLEM - Approaches for performing simulation optimization for solving a constrained optimization problem are generally disclosed. One embodiment according to the present disclosure is to formulate a Lagrange equation having incorporated a Lagrange parameter, a first long run average function for an objective associated with the constrained optimization problem, and a second long run average function for a constraint associated with the constrained optimization problem. Then, to identify a parameter value that may lead to an extreme value for the Lagrange equation, in an iterative manner, averages of the first long run average function and the second long run average function are calculated, a gradient of the Lagrange equation is estimated, and the Lagrange parameter is updated. | 10-21-2010 |
| 20100260280 | DATA TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM - Embodiments of the disclosure set forth methods for transmitting data in a wireless communication system. Some example methods include converting a data stream to a symbol set and selecting a first plurality of symbols from the symbol set. The first plurality of symbols includes at least a first symbol, a second symbol, a third symbol, a fourth symbol, a fifth symbol, a sixth symbol, a seventh symbol, and a eighth symbol. The methods include generating one or plurality of symbols of a second plurality of symbols based on interleaving two symbols selected from the first plurality of symbols. The methods further include weighting some symbols of the second plurality of symbols and generating a matrix based on symbols selected from the second plurality of symbols and the weighted symbols. The methods also include encoding the data stream based on the matrix. | 10-14-2010 |
| 20100260279 | DATA TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM - Embodiment of the disclosure set forth methods for transmitting data in a wireless communication system. Some example methods include converting a data stream to a symbol set; selecting a first plurality of symbols from the symbol set, wherein the first plurality of symbols includes at least a first symbol, a second symbol, a third symbol, and a fourth symbol; generating a second plurality of symbols having at least a fifth symbol and a sixth symbol, wherein the fifth symbol includes a first part of the first symbol and a second part of the second symbol and the sixth symbol includes a first part of the third symbol and a second part of the fourth symbol; weighting the sixth symbol to form a first weighted symbol; and transmitting in a first time slot the fifth symbol with a first antenna and the first weighted symbol with a second antenna. | 10-14-2010 |
| 20100254300 | LEVERAGING COHERENT DISTRIBUTED SPACE-TIME CODES FOR NONCOHERENT COMMUNICATION IN RELAY NETWORKS VIA TRAINING - In a training cycle, a source node transmits at least one pilot symbol to relay nodes in a training cycle. The relay nodes each amplifies and forwards the pilot symbol to a destination node in an assigned time slot in the training cycle. The destination node sequentially receives multiple versions of the pilot symbol from the relay nodes and estimates channel information based on the multiple versions of the pilot symbol. In data transmission cycles that follow the training cycle, the nodes apply coherent distributed space-time block code (DSTBC) with the estimated channel information to communicate data symbols. The power allocation between training and data cycles may be adjusted to improve the error performance. The nodes may also apply orthogonal frequency division multiplexing (OFDM) based DSTBC when timing errors are not known. | 10-07-2010 |
| 20100253255 | WOUND FIELD SYNCHRONOUS MOTOR DRIVE - A hybrid synchronous motor drive circuit and method operates in one or two or more modes based on the speed of the synchronous machine. In a first mode, the synchronous machine is driven at a relatively low frequency by a current controlled voltage source inverter (VSI). In a second mode, the synchronous machine is driven at a relatively high frequency by a load commutated inverter (LCI) in tandem with the VSI. In the second mode, the LCI acts as the main power source for controlling the machine and determining machine torque and speed. The VSI acts as a harmonic compensator by compensating the dominant harmonic currents fed to the machine from the LCI such that the synchronous machine will see sinusoidal currents and thereby sinusoidal voltages at its terminals. The VSI also functions to provide sufficient reactive power at fundamental frequency so that the thyristors in the inverter are load commutated. | 10-07-2010 |
| 20100253254 | WOUND FIELD SYNCHRONOUS MOTOR DRIVE - A hybrid synchronous motor drive circuit and method operates in one or two or more modes based on the speed of the synchronous machine. In a first mode, the synchronous machine is driven at a relatively low frequency by a current controlled voltage source inverter (VSI). In a second mode, the synchronous machine is driven at a relatively high frequency by a load commutated inverter (LCI) in tandem with the VSI. In the second mode, the LCI acts as the main power source for controlling the machine and determining machine torque and speed. The VSI acts as a harmonic compensator by compensating the dominant harmonic currents fed to the machine from the LCI such that the synchronous machine will see sinusoidal currents and thereby sinusoidal voltages at its terminals. The VSI also functions to provide sufficient reactive power at fundamental frequency so that the thyristors in the inverter are load commutated. | 10-07-2010 |
| 20100008837 | METAL IONIC CATALYST COMPOSITION AND A PROCESS THEREOF - The present invention relates to a metal ionic catalyst composition for the catalytic conversion of industrial pollutants and the process of preparation of the same. The present invention also relates to a process of coating of the said catalyst composition on a cordierite honeycomb. | 01-14-2010 |
| 20090258818 | Compositions For the Treatment of Diabetes - A supramolecular insulin assembly and supramolecular exendin-4 assembly, which is useful as a protein therapeutic agent for the treatment of metabolic disorders particularly diabetes. The supramolecular assemblies disclosed in the present invention consists of insoluble and aggregated oligomers the protein. The invention also provides pharmaceutical compositions comprising the supramolecular assembly. | 10-15-2009 |
| 20080227133 | KpnI Restriction Endonucleases with Reduced Star Activity - Methods are provided for making restriction endonucleases with reduced star activity by one or more targeted mutations to a catalytic site within the restriction endonuclease. Examples of modifications to restriction endonucleases with significant sequence identity with KpnI are provided and reduced star activity demonstrated. | 09-18-2008 |
