Patents by Inventor Ravi Challa
Ravi Challa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240093989Abstract: A method and system for prediction of wave properties include collecting time-series data streams from one or more wave measurement devices and processing the data to identify data parameters to establish boundary conditions of a numerical model. The numerical model may be used to compute a predicted wave field of time-series data for a variety of wave properties at a target location.Type: ApplicationFiled: November 14, 2023Publication date: March 21, 2024Inventors: Mirko PREVISIC, Ravi CHALLA, Anantha KARTHIKEYAN
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Publication number: 20220155069Abstract: A method and system for prediction of wave properties include collecting time series data streams from one or more wave measurement devices and processing the data using a wave-prediction algorithm to identify the frequency components of the data and compute wave parameters. The wave-field is propagated in space and time to predict wave height, speed, and velocity at a target location. A sliding window approach is used to continuously update the prediction in real-time.Type: ApplicationFiled: March 2, 2020Publication date: May 19, 2022Inventors: Mirko PREVISIC, Ravi CHALLA, Anantha KARTHIKEYAN
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Patent number: 9294065Abstract: A reactance filter comprising suppression in the stop band comprises an input connection for applying an input signal, an output connection for outputting an output signal, at least series resonator, which is connected in a signal path between the input connection and the output connection, a parallel resonator, which is connected between the signal path and a connection in order to apply a reference potential, and an inductor, which is connected in series to the parallel resonator. A capacitor is connected by means of one connection between the at least one parallel resonator and the inductor and by means of the additional connection to the output connection. By connecting the reactance filter as a transmission filter in a duplexer component, the isolation in the receiving band of the duplexer component can be improved.Type: GrantFiled: December 16, 2011Date of Patent: March 22, 2016Assignee: EPCOS AGInventors: Tobias Krems, Wolfgang Till, Ravi Challa
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Patent number: 9178490Abstract: A DMS filter has improved signal suppression in fly-back. At least two transformers of a first type are connected in parallel between a common node of the signal path and a ground connection/reference potential. A concentrated element is connected in the signal path of said transformers of the first type, so that the voltages present at the first transformers are different from each other.Type: GrantFiled: January 18, 2011Date of Patent: November 3, 2015Assignee: EPCOS AGInventors: Andreas Detlefsen, Ravi Challa
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Patent number: 9106206Abstract: A surface acoustic wave filter includes an arrangement of transducers having at least one first transducer one second transducer and one third transducer. The at least one first transducer is connected to the input terminal and a terminal for applying a reference potential. The second transducer is connected to the first output terminal and the terminal for applying the reference potential. The third transducer is connected to the second output terminal and the terminal for applying the reference potential. A capacitor is connected to at least one of a first and second output terminal in such a way that the capacitor is connected between the first and second output terminals or between one of the first and second output terminals and the terminal for applying the reference potential.Type: GrantFiled: December 20, 2011Date of Patent: August 11, 2015Assignee: EPCOS AGInventors: Tobias Krems, Ravi Challa
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Publication number: 20140010122Abstract: A reactance filter comprising suppression in the stop band comprises an input connection (1) for applying an input signal (ES), an output connection (A100) for outputting an output signal (TS), at least series resonator (11, 12, 13, 14), which is connected in a signal path (SP) between the input connection (1) and the output connection (A100), a parallel resonator (21), which is connected between the signal path (SP) and a connection (M) in order to apply a reference potential, and an inductor (31), which is connected in series to the parallel resonator (21). A capacitor (50) is connected by means of one connection (A50a) between the at least one parallel resonator (21) and the inductor (31) and by means of the additional connection (A50b) to the output connection (A100). By connecting the reactance filter as a transmission filter in a duplexer component, the isolation in the receiving band of the duplexer component can be improved.Type: ApplicationFiled: December 16, 2011Publication date: January 9, 2014Applicant: EPCOS AGInventors: Tobias Krems, Wolfgang Till, Ravi Challa
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Patent number: 8518467Abstract: Methods, devices, and compositions relating to processed grain products are shown for ground corn flour, soybean meal, cottonseed meal, and wheat middlings. An exemplary method shown is a fiber separation process for the ethanol industry corn products of Distillers Dried Grains (DDG) and Distillers Dried Grains with Solubles (DDGS) resulting from the widely used dry grind technology. A shown process and apparatus allows the removal and separate recovery of fiber-reduced products with expanded potential for use as a non-ruminant feed product in addition to the removal and separate recovery of a fiber-enriched product. The fiber enriched and fiber reduced products each have uses in the feed industry. The specific processes, devices, and compositions shown are readily adaptable to feed mills.Type: GrantFiled: February 11, 2010Date of Patent: August 27, 2013Assignee: Mississippi State UniversityInventors: Radhakrishnan Srinivasan, Vijay Singh, Ravi Challa
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Publication number: 20130141188Abstract: A DMS filter has improved signal suppression in fly-back. At least two transformers of a first type are connected in parallel between a common node of the signal path and a ground connection/reference potential. A concentrated element is connected in the signal path of said transformers of the first type, so that the voltages present at the first transformers are different from each other.Type: ApplicationFiled: January 18, 2011Publication date: June 6, 2013Applicant: EPCOS AGInventors: Andreas Detlefsen, Ravi Challa
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Publication number: 20120235766Abstract: A surface acoustic wave filter includes an arrangement of transducers having at least one first transducer one second transducer and one third transducer. The at least one first transducer is connected to the input terminal and a terminal for applying a reference potential. The second transducer is connected to the first output terminal and the terminal for applying the reference potential. The third transducer is connected to the second output terminal and the terminal for applying the reference potential. A capacitor is connected to at least one of a first and second output terminal in such a way that the capacitor is connected between the first and second output terminals or between one of the first and second output terminals and the terminal for applying the reference potential.Type: ApplicationFiled: December 20, 2011Publication date: September 20, 2012Applicant: EPCOS AGInventors: Tobias Krems, Ravi Challa
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Publication number: 20100206780Abstract: Methods, devices, and compositions relating to processed grain products are disclosed for ground corn flour, soybean meal, cottonseed meal, and wheat middlings. An exemplary method disclosed is a fiber separation process for the ethanol industry corn products of Distillers Dried Grains (DDG) and Distillers Dried Grains with Solubles (DDGS) resulting from the widely used dry grind technology. A disclosed process and apparatus allows the removal and separate recovery of fiber-reduced products with expanded potential for use as a non-ruminant feed product in addition to the removal and separate recovery of a fiber-enriched product. The fiber enriched and fiber reduced products each have uses in the feed industry. The specific processes, devices, and compositions disclosed are readily adaptable to feed mills.Type: ApplicationFiled: February 11, 2010Publication date: August 19, 2010Applicant: MISSISSIPPI STATE UNIVERSITYInventors: Radhakrishnan Srinivasan, Vijay Singh, Ravi Challa