Meka, IN
Anil Kumar Meka, Hyderabad IN
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20100095118 | CRYPTOGRAPHIC KEY MANAGEMENT SYSTEM FACILITATING SECURE ACCESS OF DATA PORTIONS TO CORRESPONDING GROUPS OF USERS - Cryptographic Key Management System facilitating secure access of data portions to corresponding groups of users. In an embodiment, corresponding group key (asymmetric key pair) is provided for each group, with the private key being stored in a secure format requiring the user credentials for decryption. In addition, a data key required to decrypt a data portion of interest is encrypted using the group public key. Thus, when a user attempts to access a data portion, the user credentials are used to decrypt the group private key, which is then used to decrypt the data key. The data key is then used to decrypt the data portion of interest. | 04-15-2010 |
Hari Meka, Bangalore IN
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20110103949 | Extraction Cavity Wing Seal - The present application provides a pressure containing casing. The pressure containing casing may include a first extraction cavity, a second extraction cavity, an interface between the first extraction cavity and the second extraction cavity, and a wing seal positioned within the interface. | 05-05-2011 |
Hari K. Meka, Bangalore IN
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20100247282 | SYSTEMS, METHODS, AND APPARATUS FOR PASSIVE PURGE FLOW CONTROL IN A TURBINE - Systems, methods and apparatus for passive purge flow control in a turbine are provided. Various embodiments of the invention include providing a path for air to flow to a bore of a rotor with a plurality of stacked wheels. The air flow path includes at least one inlet hole on a rotor structure and a plurality of holes in at least some of the stacked wheels. The method further involves control of air flow to the at least one inlet hole based at least in part on axial deflection between the rotor and an associated stator during the gas turbine operation. Additionally, a portion of the air flowing into the inlet hole is directed through the plurality of holes in the at least some of the stacked wheels to purge the rotor. | 09-30-2010 |
Hari Krishna Meka, Bangalore IN
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20120183398 | SYSTEM AND METHOD FOR CONTROLLING FLOW THROUGH A ROTOR - A system for controlling flow through a rotor includes an inlet port in the rotor and an outlet port in the rotor. The outlet port is in fluid communication with the inlet port. A variable orifice is disposed in at least one of the inlet or outlet ports. A method for controlling flow through a rotor includes diverting a process fluid and flowing the diverted process fluid through a fluid passage in the rotor. The method further includes reducing the flow of the diverted process fluid through the fluid passage in the rotor. | 07-19-2012 |
20120244002 | TURBINE BUCKET ASSEMBLY AND METHODS FOR ASSEMBLING SAME - A turbine bucket for use with a turbine engine. The turbine bucket includes a shank and a platform bordered by a forward edge and an aft edge that are coupled together by a pair of side edges, the forward edge upstream from the aft edge. The platform includes at least one interlock seal extending outward from at least one of the side edges and a mating groove defined in at least one of the side edges, the groove sized to receive the at least one interlock seal extending from an adjacent turbine bucket. | 09-27-2012 |
20130094958 | SYSTEM AND METHOD FOR CONTROLLING FLOW THROUGH A ROTOR - One embodiment of the present invention is a system for controlling flow through a rotor. The system includes an inlet port in the rotor and an outlet port in the rotor. The outlet port is in fluid communication with the inlet port. A fixed orifice is disposed in at least one of the inlet or outlet ports. A variable orifice is disposed in at least one of the inlet or outlet ports in a separate location from the fixed orifice. | 04-18-2013 |
Ramakrishna Venkata Meka, Bangalore IN
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20080252748 | SYSTEM AND COMPUTER-READABLE MEDIUM FOR AUTOMATIC WHITE BALANCING - Systems and computer-readable medium are disclosed for automatic white balancing of an input image. Accordingly, the system includes a cast detector configured to receive and classify an input image based at least in part on a selection of constituent pixels of the input image. The cast detector is further configured to select the constituent pixels based on a computed reliability of each of the constituent pixels to convey at least one characteristic of a capture illuminant. The system further includes a cast balancer. The cast balancer is configured to perform white balancing of the input image based on the classification of the input image by the cast detector. The cast balancer is further configured to identify the capture illuminant based on at least one characteristic represented by each of the selected constituent pixels. | 10-16-2008 |
20080253652 | METHOD OF DEMOSAICING A DIGITAL MOSAICED IMAGE - In one example embodiment, a method enables, computing, for a first pixel in the digital mosaiced image, the first pixel being characterized by a first color component and a first set of gradient values in a plurality of orientations, gradient values in the plurality of orientations for a second pixel in the neighborhood of the first pixel. Color values in the plurality of orientations corresponding to a second color component associated with the first pixel based on the set of first gradient values are estimated. The first set of gradient values based at least in part on the computed gradient values is updated. One of the plurality of orientations of the estimated color value based on the updated set of first gradient values is selected and one of the estimated color values corresponding to the selected orientation is determined. | 10-16-2008 |
Ravikaran Meka, Bangalor IN
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20150127725 | Method and System for Building an Elastic Cloud Web Server Farm - A method and system for building an elastic cloud web server farm. The method includes registering a web application on a serving cloud and copying the web application to a distributed store. A load of the web application is specified, and a plurality of nodes is added for the web application based on the load. A web server corresponding to a node of the plurality of nodes is then initialized. A web request is received from a user and a web server is selected from a list of available web servers to process the web request. The web request is further transmitted to the web server. A web response, based on the web request, is transmitted back to the user. The system includes a central registry, a distributed store, a process coordinator, one or more web servers, and a router. | 05-07-2015 |
Ravikiran Meka, Bangalore IN
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20090024583 | TECHNIQUES IN USING FEEDBACK IN CRAWLING WEB CONTENT - A method for providing feedback to a web crawler is provided. A content processor determines whether a crawled web page is useful to an application. This determination is passed to a learning module. The learning module analyzes crawled web pages and the determinations of usefulness made by the content processor and generates rules for crawling more useful web pages and less non-useful web pages. The learning module provides these rules to the crawler, which applies them in making crawling decisions. Rules expire after a period of time. Paths from a web site's main web page to useful web pages are preserved. A token tree is constructed to facilitate the generation of rules. | 01-22-2009 |
20130024496 | METHOD AND SYSTEM FOR BUILDING AN ELASTIC CLOUD WEB SERVER FARM - A method and system for building an elastic cloud web server farm. The method includes registering a web application on a serving cloud and copying the web application to a distributed store. A load of the web application is specified, and a plurality of nodes is added for the web application based on the load. A web server corresponding to a node of the plurality of nodes is then initialized. A web request is received from a user and a web server is selected from a list of available web servers to process the web request. The web request is further transmitted to the web server. A web response, based on the web request, is transmitted back to the user. The system includes a central registry, a distributed store, a process coordinator, one or more web servers, and a router. | 01-24-2013 |
Ravikiran Meka, Raichur IN
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20090307651 | Computing Platform for Structured Data Processing - This patent discloses a computing platform to process structured data. The computer platform may include a component layer having a workflow engine to execute a workflow definition. The workflow engine may receive feed data from a user system. The workflow engine may send a business logic application and feed data to a distributed computation environment to batch process the feed data through the business logic application as part of executing the workflow definition. | 12-10-2009 |
Ravikiran Meka, Karnataka IN
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20100042998 | ONLINE BATCH EXECUTION - Online batch processing. A job request is received from a user for processing . The job request includes a job configuration and a plurality of operations to process the data. The job configuration is extracted from the job request and stored in a configuration cache. A metadata configuration code is extracted from the job configuration and stored in a code cache. A runtime configuration code is extracted from the job configuration and stored in an instance cache. This allows information to be obtained from the configuration cache, the code cache and the instance cache for processing subsequent job requests with the similar job configuration and the plurality of operations. The data is fetched from at least one of the job request and an external storage device. The plurality of operations is executed on the data to generate a result. The result is provided to the user through at least one of an output stream and the external storage device. | 02-18-2010 |
Varaprasad Meka, Karnataka IN
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20120011553 | METHOD AND APPARATUS FOR SUPPORTING SERVICES VIA A SET-TOP BOX - An approach is provided for supporting messaging services via a set-top box. A set-top box establishes communications with a user device. The set-top box receives a message from the user device, and stores the message for inclusion in a messaging log. The set-top box presents content of the messaging log via a display coupled to the set-top box. According to one embodiment, the set-top box receives network address information of the user device, maps the network address information to location information, and retrieves information from a data repository based on the location information. In another embodiment, the user device acquires information about a program being experience by a user via the set-top box, and generates a message to provide presence status information to a social network service based on the program information. | 01-12-2012 |
20120036543 | METHOD AND APPARATUS FOR CONTROLLING A SET-TOP BOX BASED ON DEVICE EVENTS - An approach is provided for controlling a set-top box based on a device event. A set-top box detects a wireless device. A communication channel is established with the wireless device configured to initiate a voice call. A command message is received, by the set-top box, over the communication channel. The command corresponds to a device event experienced by the wireless device. | 02-09-2012 |
20120036549 | METHOD AND APPARATUS FOR INTERACTING WITH A SET-TOP BOX BASED ON SENSOR EVENTS FROM A USER DEVICE - An approach is provided for controlling a set-top box based on sensor triggered events on a user device. A set-top box receives a control message from a user device, wherein the control message specifies an event corresponding to one or more sensors of the user device. The set-top box maps the event to an activity associated with an application that is executed by the set-top box. Also, the set-top box presents media content provided by the application according to the mapped activity. | 02-09-2012 |