Patents by Inventor Ketan B. Patel

Ketan B. Patel 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).

  • Publication number: 20120095938
    Abstract: A system and method for determining a margin requirement associated with a plurality of financial instruments within a portfolio is disclosed.
    Type: Application
    Filed: December 16, 2011
    Publication date: April 19, 2012
    Inventors: Mohammed Hadi, Ketan B. Patel, Michal Koblas, Dmitiry Glinberg
  • Patent number: 8133061
    Abstract: A dual-sided connector pin interposer includes a substrate comprising a first side opposite a second side. The interposer includes a first plurality of flexible pins protruding from the first side of the substrate. The first plurality of flexible pins is positioned for installation in a first plurality of pad connectors of the pinless socket. The interposer includes a second plurality of flexible pins protruding from the second side of the substrate. The second plurality of flexible pins is positioned for installation in a second plurality of pad connectors of the pinless integrated circuit component. The first plurality of flexible pins are electrically connected to the second plurality of flexible pins through the substrate to provide electrical contact points between the pinless socket and the pinless integrated circuit component when the interposer is installed.
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: March 13, 2012
    Assignee: International Business Machines Corporation
    Inventors: Robert L. Ayers, Sr., Tu T. Dang, Michael C. Elles, Ketan B. Patel, James S. Womble
  • Patent number: 8108281
    Abstract: A method for determining a margin requirement associated with a plurality of financial instruments within a portfolio is disclosed. The method includes receiving a plurality of data associated with the plurality of financial instruments within the portfolio, determining a shock value for each of a plurality of risk factors within a multi-factor risk model, such that the shock factor is determined based on the received plurality of data, calculating a maximum risk margin for each of the plurality of risk factors, and calculating a total multi-factor risk margin based on maximum risk margin for each of the plurality of risk factors.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: January 31, 2012
    Assignee: Chicago Mercantile Exchange Inc.
    Inventors: Michal Koblas, Muhammed Hadi, Ketan B. Patel, Ankeet Dehdia, Mu Wang
  • Patent number: 8103578
    Abstract: A system and method for determining a margin requirement associated with a plurality of financial instruments within a portfolio is disclosed.
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: January 24, 2012
    Assignee: Chicago Mercantile Exchange Inc.
    Inventors: Michal Koblas, Mohammed Hadi, Ketan B. Patel, Dmitriy Glinberg
  • Publication number: 20110307369
    Abstract: Methods are described for processing and clearing derivative products such as interest rate swaps (IRSs). A swap value factor (SVF) may be generated to calculate the mark-to-market value of an IRS. The SVF may be a function of interest rates derived from a yield curve. Cash flow may be generated between the buyer and the seller to reflect the change in the market price of the derivative, i.e., the mark-to-market process. The results of a cleared swap may be used to determine or alter the margin deposit required by the buyer or seller.
    Type: Application
    Filed: August 19, 2011
    Publication date: December 15, 2011
    Applicant: CHICAGO MERCANTILE EXCHANGE, INC.
    Inventors: Keith Alan Anguish, Sunil Kiran Cutinho, Dmitriy Glinberg, Suneel Iyer, Dale Michaels, Ketan B. Patel
  • Patent number: 8044690
    Abstract: A triangular waveform generator is converted to a free running oscillator controlled by a calibration code. The free running oscillator can be synchronized to an external clock signal by comparing the external clock frequency to the frequency of the triangular waveform and adjusting the calibration code until the discrepancy in frequency is minimized.
    Type: Grant
    Filed: October 6, 2009
    Date of Patent: October 25, 2011
    Assignee: Conexant Systems, Inc.
    Inventors: Ketan B Patel, Lorenzo Crespi, Lakshmi P Murukutla
  • Patent number: 8024255
    Abstract: Methods are described for processing and clearing derivative products such as interest rate swaps (IRSs). A swap value factor (SVF) may be generated to calculate the mark-to-market value of an IRS. The SVF may be a function of interest rates derived from a yield curve. Cash flow may be generated between the buyer and the seller to reflect the change in the market price of the derivative, i.e., the mark-to-market process. The results of a cleared swap may be used to determine or alter the margin deposit required by the buyer or seller.
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: September 20, 2011
    Assignee: Chicago Mercantile Exchange, Inc.
    Inventors: Keith A. Anguish, Sunil K. Cutinho, Dmitriy Glinberg, Suneel Iyer, Dale Michaels, Ketan B. Patel
  • Patent number: 7982525
    Abstract: In today's environment class-D amplifiers are used to provide an integrated solution for applications such as powered audio devices due to their advantages in power consumption and size over more traditional analog amplifiers. Due to power output requirements, the output stages of power drivers such as class-D amplifiers require a supply voltage in excess of the technologically allowed voltage for the switches in the output stage. A level shifter is used to ensure voltages supplied to the output switches do not exceed the technological limits. An ideal level shifter should provide the optimal voltage swing to output switches under all process, supply voltage and temperature (PVT) variations. The ideal level shifter should also provide fast transitions when the control signal changes from high to low and low to high.
    Type: Grant
    Filed: February 20, 2009
    Date of Patent: July 19, 2011
    Assignee: Conexant Systems, Inc.
    Inventors: Lorenzo Crespi, Ketan B Patel
  • Publication number: 20110156793
    Abstract: A battery assisted level shifter comprises a pull up transistor pulling up an output when a received input signal is high, a pull down transistor pulling down the output when the received input signal is low, and a battery element to provide voltage offsets. The battery element can be implemented using one or more pull-up transistors for assisting with pulling up the output. The level shifter can be used in class-D amplifiers, DC-DC power converters and interfaces between circuits having different reference voltages.
    Type: Application
    Filed: March 4, 2011
    Publication date: June 30, 2011
    Inventors: Christian Larsen, Lorenzo Crespi, Ketan B. Patel
  • Patent number: 7952508
    Abstract: Class-D amplifiers have evolved from using binary pulse-width modulation (PWM) modulators to three-level PWM modulators. Three-level PWM drivers for audio applications offer the benefits of eliminating costly elements at the output of an audio system. However, they also introduce increased common-mode interference. Three-level PWM generates three states, but one state has two interchangeable representations which can be scrambled in order to shape the common-mode output spectrum.
    Type: Grant
    Filed: September 2, 2009
    Date of Patent: May 31, 2011
    Assignee: Conexant Systems, Inc.
    Inventors: Lorenzo Crespi, Ketan B Patel, Kyehyung Lee
  • Publication number: 20110080191
    Abstract: A triangular waveform generator is converted to a free running oscillator controlled by a calibration code. The free running oscillator can be synchronized to an external clock signal by comparing the external clock frequency to the frequency of the triangular waveform and adjusting the calibration code until the discrepancy in frequency is minimized.
    Type: Application
    Filed: October 6, 2009
    Publication date: April 7, 2011
    Applicant: CONEXANT SYSTEMS, INC.
    Inventors: Ketan B. Patel, Lorenzo Crespi, Lakshmi P. Murukutla
  • Publication number: 20110050467
    Abstract: Class-D amplifiers have evolved from using binary pulse-width modulation (PWM) modulators to three-level PWM modulators. Three-level PWM drivers for audio applications offer the benefits of eliminating costly elements at the output of an audio system. However, they also introduce increased common-mode interference. Three-level PWM generates three states, but one state has two interchangeable representations which can be scrambled in order to shape the common-mode output spectrum.
    Type: Application
    Filed: September 2, 2009
    Publication date: March 3, 2011
    Applicant: CONEXANT SYSTEMS, INC.
    Inventors: Lorenzo Crespi, Ketan B. Patel, Kyehyung Lee
  • Publication number: 20110035342
    Abstract: A method for determining a margin requirement associated with a plurality of financial instruments within a portfolio is disclosed. The method includes receiving a plurality of data associated with the plurality of financial instruments within the portfolio, determining a shock value for each of a plurality of risk factors within a multi-factor risk model, such that the shock factor is determined based on the received plurality of data, calculating a maximum risk margin for each of the plurality of risk factors, and calculating a total multi-factor risk margin based on maximum risk margin for each of the plurality of risk factors.
    Type: Application
    Filed: July 21, 2010
    Publication date: February 10, 2011
    Inventors: Michal Koblas, Muhammed Hadi, Ketan B. Patel, Ankeet Dehdia, Mu Wang
  • Publication number: 20100214000
    Abstract: In today's environment class-D amplifiers are used to provide an integrated solution for applications such as powered audio devices due to their advantages in power consumption and size over more traditional analog amplifiers. Due to power output requirements, the output stages of power drivers such as class-D amplifiers require a supply voltage in excess of the technologically allowed voltage for the switches in the output stage. A level shifter is used to ensure voltages supplied to the output switches do not exceed the technological limits. An ideal level shifter should provide the optimal voltage swing to output switches under all process, supply voltage and temperature (PVT) variations. The ideal level shifter should also provide fast transitions when the control signal changes from high to low and low to high.
    Type: Application
    Filed: February 20, 2009
    Publication date: August 26, 2010
    Applicant: Conexant Systems, Inc.
    Inventors: Lorenzo Crespi, Ketan B. Patel
  • Publication number: 20100157498
    Abstract: An apparatus for detecting and controlling current. A current detector for generating a first value that represents an amount of current being delivered to a device. A current limit circuit for generating a second value that represents a maximum permitted current level from a current source. A current controller for controlling the amount of current drawn by the device if the first value exceeds the second value.
    Type: Application
    Filed: December 22, 2008
    Publication date: June 24, 2010
    Inventors: James Skov, Lorenzo Crespi, Ketan B. Patel
  • Publication number: 20100017345
    Abstract: A system and method for determining a margin requirement associated with a plurality of financial instruments within a portfolio is disclosed.
    Type: Application
    Filed: September 15, 2009
    Publication date: January 21, 2010
    Applicant: Chicago Mercantile Exchange, Inc.
    Inventors: MOHAMMED HADI, Ketan B. Patel, Michal Koblas, Dmitriy Glinberg
  • Publication number: 20080249958
    Abstract: Methods are described for processing and clearing derivative products such as interest rate swaps (IRSs). A swap value factor (SVF) may be generated to calculate the mark-to-market value of an IRS. The SVF may be a function of interest rates derived from a yield curve. Cash flow may be generated between the buyer and the seller to reflect the change in the market price of the derivative, i.e., the mark-to-market process. The results of a cleared swap may be used to determine or alter the margin deposit required by the buyer or seller.
    Type: Application
    Filed: December 4, 2007
    Publication date: October 9, 2008
    Applicant: Chicago Mercantile Exchange, Inc.
    Inventors: Keith Alan Anguish, Sunil Kiran Cutinho, Dmitriy Glinberg, Suneel Iyer, Dale Michaels, Ketan B. Patel
  • Publication number: 20080195698
    Abstract: A method and system for accessing video file content is provided. When a user encounters a webpage with video content, the user can select to view the video content and wait for the server to transcode the video file and to stream the transcoded video file to the user's client device. Alternatively, the user may request that the server transcode the video file and to send the transcoded video file to the user's device, where the transcoded video file will be stored. While waiting for the video to be transcoded, the user may browse other websites, for example. The user may then view the video file at a later time that is convenient by accessing a video file inbox. The transcoded video file could alternatively be stored at the server, which can send a notification to the user's device to indicate that the video file has been transcoded.
    Type: Application
    Filed: October 10, 2007
    Publication date: August 14, 2008
    Applicant: NOVARRA, INC.
    Inventors: Nemanja Stefanovic, William Frederick Dyer, Ketan B. Patel, Thomas Eric Hayosh
  • Patent number: 6196327
    Abstract: A system for reducing tractor pitching is disclosed, including a tractor with a hitch couplable to an implement, a force transducer that provides a force signal indicative of a force applied to the hitch by an implement, a position transducer to provide a position signal indicative of a position of the hitch, a hydraulic actuator to raise and lower the hitch, a control valve that responds to the force and position transducers to generate a valve signal, where the control circuit receives the force and position signals and drives a pitch-reducing control valve signal therefrom.
    Type: Grant
    Filed: April 1, 1999
    Date of Patent: March 6, 2001
    Assignee: Case Corporation
    Inventors: Ketan B. Patel, Hong Chin Lin, Alan D. Berger, Wael Farag, Aftab Ali Khan
  • Patent number: 6115660
    Abstract: A loader of the type controlled with an electronic digital controller is disclosed herein. The loader may include conventional mechanical component. However, the hydraulic valve is electronically controlled to provide improved motion control. In particular, the operator controls the loader with a two-axis joystick. When the joystick is moved left or right, the bucket is rolled at a speed proportional to the rate of change of the joystick position and independent of the loader arms. When the joystick is moved forward or backwards, the loader arms of the bucket are raised or lowered. When the joystick is only moved forward or backward with substantially no component of motion left or right, the controller rolls the bucket to maintain a substantially constant angle between the bucket and the surface upon which the loader is operating.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: September 5, 2000
    Assignee: Case Corporation
    Inventors: Alan D. Berger, Ketan B. Patel