Patents by Inventor Shankar Radhakrishnan
Shankar Radhakrishnan 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: 20170188992Abstract: According to various embodiments, there is provided a device including a processor configured to control a robotic system to autonomously position a transducer at a plurality of locations adjacent a subject's skull and to autonomously locate a window on the subject's skull within which an artery can be located, from which artery a signal can be returned to the transducer, the signal having an energy level exceeding a predefined threshold.Type: ApplicationFiled: January 5, 2017Publication date: July 6, 2017Applicant: Neural Analytics, Inc.Inventors: Michael O'Brien, Nicolas Canac, Michael Costa, Trevor Dunlop, Roman Flores, II, Robert Hamilton, Ilyas Patanam, Shankar Radhakrishnan, Mina Ranjbaran, Corey Thibeault, Samuel Thorpe, Seth Wilk, Jan Zwierstra
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Publication number: 20170119347Abstract: According to various embodiments, there is provided a headset mountable on a head, the headset including a probe for emitting energy into the head. The headset further includes a support structure coupled to the probe. The support structure includes translation actuators for translating the probe along axes about a surface of the head.Type: ApplicationFiled: January 5, 2017Publication date: May 4, 2017Applicant: Neural Analytics, Inc.Inventors: Roman Flores, II, Matthew Hutter, Gerard Salinas, Michael Costa, Matthew Sylvester, Robert Hamilton, Corey Thibeault, Leo Petrossian, Shankar Radhakrishnan, Michael O'Brien, Seth Wilk, Jan Zwierstra
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Patent number: 9639630Abstract: A system for business intelligence data integration, comprising a query transformation server that receives an SQL query, applies transformations to the query, and embeds the transformed query into an XML web services request. At least a portion of the XML web services request is sent to a business intelligence engine web service. An XML response is received from the business intelligence engine web service. The system applies modifications to the XML response including extracting SQL from the XML and adding back the visualization-specific column to generate a complete SQL response, which is provided to the client device.Type: GrantFiled: April 29, 2016Date of Patent: May 2, 2017Assignee: GUIDANZ INC.Inventor: Shankar Radhakrishnan
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Publication number: 20160367217Abstract: According to various embodiments, there is provided a headset mountable on a head, the headset including a probe for emitting energy into the head. The headset further includes a support structure coupled to the probe. The support structure includes translation actuators for translating the probe along two axes generally parallel to a surface of the head.Type: ApplicationFiled: June 20, 2016Publication date: December 22, 2016Applicant: Neural Analytics, Inc.Inventors: Roman Flores, II, Matthew Hutter, Gerard Salinas, Michael Costa, Matthew Sylvester, Robert Hamilton, Corey Thibeault, Leo Petrossian, Aaron Green, Shankar Radhakrishnan
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Publication number: 20160070844Abstract: A method, system or computer usable program product for improving a circuit design having a set of endpoint circuits including identifying a subset of the set of endpoint circuits for further timing analysis based on graph based analysis (GBA) of the circuit design; performing path based analysis (PBA) of a set of endpoint circuit paths in the subset of endpoint circuits; and providing a timing margin between graph based analysis and path based analysis for each of the set of endpoint circuit paths for reducing pessimism in subsequent graph based analysis of the set of endpoint circuit paths.Type: ApplicationFiled: September 8, 2014Publication date: March 10, 2016Inventors: Ritesh Shyamsukha, Chunyang Feng, Shankar Radhakrishnan, Ted L. Craven
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Patent number: 7755049Abstract: An electromagnetic radiation sensor that exhibits improved performance by virtue of an ability to tune its sensitivity is disclosed. The electromagnetic radiation sensor incorporates thermal actuators that act in opposition to one another, but which have a slight difference in responsivity. A temperature controller is used to tune the sensitivity of the electromagnetic radiation sensor by controlling the temperature of the substrate on which the sensor is formed.Type: GrantFiled: March 20, 2007Date of Patent: July 13, 2010Assignee: Agiltron, Inc.Inventors: Gregory Simelgor, Scott R. Hunter, Shankar Radhakrishnan
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Patent number: 7666485Abstract: A method of making alkali-metal vapor cells by first forming microscale-wax micropackets with alkali metals inside allows fabrication of vapor cells at low cost and in a batch fabricated manner. Alkali metals are enclosed in a chemically inert wax to preform alkali metal-wax micropackets, keeping the alkali metals from reacting with the ambient surroundings during the vapor cell fabrication. This enables the deposition of precise amounts of pure alkali metal inside the vapor cells. Laser ablation of the alkali metal-wax micropackets provides a simple and effective way of releasing the enclosed metal. The method reduces the cost of making chip-scale atomic clocks and allows shipping of alkali vapor packets without contamination issues, thereby creating a technology for alkali-metal vendors to provide small packets of alkali metals.Type: GrantFiled: June 6, 2006Date of Patent: February 23, 2010Assignee: Cornell UniversityInventors: Amit Lal, Shankar Radhakrishnan
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Patent number: 7495952Abstract: A solid-state semiconductor device operable without loss arising from junction-to junction (e.g., source-to-drain) leakage current includes a movable MEMS switch or relay armature structure carrying at least one electrical contact corresponding to a semiconductor device junction. The switch or relay armature is movable from a first position corresponding to a first switch state to a second position corresponding to a second switch state. The semiconductor device also includes an actuation circuit configured to act on the cantilever switch, changing the switch from a first contact-conducting state to a second non-contact-conducting state by physically separating the switch's electrical contact from the semiconductor device junction, thus eliminating the conductive path for leakage current losses.Type: GrantFiled: July 13, 2006Date of Patent: February 24, 2009Assignee: Cornell Research Foundation, Inc.Inventors: Amit Lal, Shankar Radhakrishnan, Norimasa Yoshimizu, Serhan Ardanuc
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Patent number: 7476865Abstract: A signal source for use as a frequency source or time keeping signal source includes a radioactive emission source generating a substantially periodic signal corresponding to a radioactive material's disintegration rate. A radioactive emission detector generates a radioactive emission detection signal and, to stabilize the detected periodic signal, a dead time controlling attenuator blanks or shuts off the radioactive emission detection signal for a selected dead time interval in response to each detected radioactive emission (i.e., a detected signal pulse or signal component) generated by the source. The dead time controlling attenuator output provides a long-term and short-term a stable periodic signal.Type: GrantFiled: May 11, 2006Date of Patent: January 13, 2009Assignee: Cornell Research Foundation, Inc.Inventors: Amit Lal, Hui Li, Hang Guo, Shankar Radhakrishnan
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Publication number: 20080230698Abstract: An electromagnetic radiation sensor that exhibits improved performance by virtue of an ability to tune its sensitivity is disclosed. The electromagnetic radiation sensor incorporates thermal actuators that act in opposition to one another, but which have a slight difference in responsivity. A temperature controller is used to tune the sensitivity of the electromagnetic radiation sensor by controlling the temperature of the substrate on which the sensor is formed.Type: ApplicationFiled: March 20, 2007Publication date: September 25, 2008Applicant: MULTISPECTRAL IMAGING, INC.Inventors: Gregory Simelgor, Scott R. Hunter, Shankar Radhakrishnan
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Publication number: 20070041142Abstract: A solid-state semiconductor device operable without loss arising from junction-to junction (e.g., source-to-drain) leakage current includes a movable MEMS switch or relay armature structure carrying at least one electrical contact corresponding to a semiconductor device junction. The switch or relay armature is movable from a first position corresponding to a first switch state to a second position corresponding to a second switch state. The semiconductor device also includes an actuation circuit configured to act on the cantilever switch, changing the switch from a first contact-conducting state to a second non-contact-conducting state by physically separating the switch's electrical contact from the semiconductor device junction, thus eliminating the conductive path for leakage current losses.Type: ApplicationFiled: July 13, 2006Publication date: February 22, 2007Inventors: Amit Lal, Shankar Radhakrishnan, Norimasa Yoshimizu, Serhan Ardanuc
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Publication number: 20070034809Abstract: A method of making alkali-metal vapor cells by first forming microscale-wax micropackets with alkali metals inside allows fabrication of vapor cells at low cost and in a batch fabricated manner. Alkali metals are enclosed in a chemically inert wax to preform alkali metal-wax micropackets, keeping the alkali metals from reacting with the ambient surroundings during the vapor cell fabrication. This enables the deposition of precise amounts of pure alkali metal inside the vapor cells. Laser ablation of the alkali metal-wax micropackets provides a simple and effective way of releasing the enclosed metal. The method reduces the cost of making chip-scale atomic clocks and allows shipping of alkali vapor packets without contamination issues, thereby creating a technology for alkali-metal vendors to provide small packets of alkali metals.Type: ApplicationFiled: June 6, 2006Publication date: February 15, 2007Inventors: Amit Lal, Shankar Radhakrishnan
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Publication number: 20060255281Abstract: A signal source for use as a frequency source or time keeping signal source includes a radioactive emission source generating a substantially periodic signal corresponding to a radioactive material's disintegration rate. A radioactive emission detector generates a radioactive emission detection signal and, to stabilize the detected periodic signal, a dead time controlling attenuator blanks or shuts off the radioactive emission detection signal for a selected dead time interval in response to each detected radioactive emission (i.e., a detected signal pulse or signal component) generated by the source. The dead time controlling attenuator output provides a long-term and short-term a stable periodic signal.Type: ApplicationFiled: May 11, 2006Publication date: November 16, 2006Applicant: Cornell Research FoundationInventors: Amita Lal, Shankar Radhakrishnan, Hui Li, Hang Guo
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Patent number: 6631648Abstract: Sensing of microfluidic flow is carried out by confining and directing a fluid along a surface in a primary direction of flow past a cantilever beam which is mounted at one end of the beam to the surface. The cantilever beam has opposite beam surfaces that are oriented at an angle off parallel to the primary direction of flow of the fluid. As the fluid is directed past the beam at a rate such that the drag forces imposed by the fluid on the opposite surfaces of the beam are greater than the inertial forces of the fluid on the beam, a differential force is applied to the beam that tends to pivot the beam about its mount to the surface or bend the beam or both. The deflection of the beam in response to the differential drag forces may be detected to determine the rate of flow of the fluid.Type: GrantFiled: August 28, 2001Date of Patent: October 14, 2003Assignee: Wisconsin Alumni Research FoundationInventors: Amit Lal, Harun Solak, Shankar Radhakrishnan
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Publication number: 20030074983Abstract: Sensing of microfluidic flow is carried out by confining and directing a fluid along a surface in a primary direction of flow past a cantilever beam which is mounted at one end of the beam to the surface. The cantilever beam has opposite beam surfaces that are oriented at an angle off parallel to the primary direction of flow of the fluid. As the fluid is directed past the beam at a rate such that the drag forces imposed by the fluid on the opposite surfaces of the beam are greater than the inertial forces of the fluid on the beam, a differential force is applied to the beam that tends to pivot the beam about its mount to the surface or bend the beam or both. The deflection of the beam in response to the differential drag forces may be detected to determine the rate of flow of the fluid.Type: ApplicationFiled: August 28, 2001Publication date: April 24, 2003Inventors: Amit Lal, Harun Solak, Shankar Radhakrishnan