Chepuri
Raghu Nandan Chepuri, Bangalore IN
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20140250310 | APPARATUS FOR STARTING UP SWITCHING VOLTAGE REGULATOR - Described is a soft-start scheme for a voltage regulator. The apparatus comprises: a first voltage regulator to provide regulated voltage to an output node coupled to a load, the first voltage regulator operable to be in open loop via a bypass unit, the first voltage regulator including a comparator; and a second voltage regulator, coupled to the first voltage regulator, operable to be in closed loop, via the bypass unit, to provide a reference voltage for the comparator of the first voltage regulator. | 09-04-2014 |
Rajesh Chepuri, Pune IN
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20110252067 | INSERT OPTIMIZATION FOR B+ TREE DATA STRUCTURE SCALABILITY - A method, in one embodiment, can include receiving a key and associated data via a computing device. Furthermore, the method can include searching a B+ tree data structure using the key to find a leaf node. The B+ tree data structure is stored by a persistent storage coupled to the computing device. The B+ tree data structure can include a first plurality of nodes that each contains a key-value entry that is not maintained in a sorted order based on its key. In addition, the key and associated data are appended to the leaf node. A sector that includes the leaf node and the key and associated data can be flushed to the persistent storage. | 10-13-2011 |
20120072766 | FAULT HANDLING SYSTEMS AND METHODS - Systems and methods for fault handling are presented. In one embodiment, a fault handling method includes: performing an error type detection process including determining if an error is a media error or a connectivity error; performing a detachment determination process to establish an appropriate detachment scenario, wherein the appropriate detachment scenario includes not detaching any mirrors if the connectivity error involves all mirrors; and returning an application write with a failure. In one embodiment, the detachment determination process detaches a mirror in accordance with results of a read-write-back process. In one exemplary implementation, the detachment determination process includes a connectivity status inquiry and mirrors are detached in accordance with results of the connectivity status inquiry. In one exemplary implementation, the connectivity status inquiry includes a SCSI connectivity inquiry. In one embodiment, consistency and synchronization is maintained between the mirrors by utilizing a read-write-back operation. | 03-22-2012 |
Rajesh Chepuri, Maharashtra IN
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20120042125 | Systems and Methods for Efficient Sequential Logging on Caching-Enabled Storage Devices - A computer-implemented method for efficient sequential logging on caching-enabled storage devices may include 1) identifying a storage device with a cache, 2) allocating space on the storage device for a sequential log, 3) calculating a target size for the sequential log based at least in part on an input/output load directed to the sequential log, and then 4) restricting the sequential log to a portion of the allocated space corresponding to the target size. Various other methods, systems, and computer-readable media are also disclosed. | 02-16-2012 |
Ramana Venkata Chepuri, Pune IN
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20150259372 | 10-a/BETA-D-ARABINOFURANOSYL-UNDECENES AS POTENTIAL ANTI-MYCOBACTERIAL AGENTS AND PROCESS FOR THE PREPARATION THEREOF - Disclosed herein is 10-α/β-D-Arabinofuranosylundecenes of general Formula (II) or pharmaceutically acceptable | 09-17-2015 |
Venkata Ramana Chepuri, Maharashtra IN
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20130289266 | Spiroannulated Nucleosides and Process for the Preparation Thereof - We claim a simple strategy for the synthesis of a collection of C(3′)-spirodihydroisobenzo- furannulated and C(3′)-spirodihydroisobenzo-furannulated nucleosides featuring a [2+2+2]-cyclotrimerization as the key reaction. The cyclotrimerization reactions are facile with the unprotected nucleosides having a diyne unit. When both alkynes of the diyne are terminal, the regioselectivity is poor. However, when one of the terminal alkynes is additionally substituted, the cyclotrimerizations are highly diaste reoselective. Since the key bicycloannulation is the final step, this strategy provides flexibility in terms of the alkynes and is thus amenable for the synthesis of a focussed small molecule library. | 10-31-2013 |
Venkata Ramana Chepuri, Pune IN
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20140309434 | SYNTHESIS OF PSUEDO INDOXYL DERIVATIVES - The patent discloses novel 2,2-disubstituted 1,2-dihydro-3H-indol-3-one derivatives and their preparation thereof. | 10-16-2014 |