Patents by Inventor Daniel J. Barus

Daniel J. Barus 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).

  • Patent number: 9785595
    Abstract: Multi-channel universal serial bus (USB) to subrate channel systems and methods are disclosed. According to an aspect, a system includes a USB interface configured to communicatively connect to a computing device. The system may also include a multi-channel interface configured to communicatively connect to multiple subrate channels. Further, the system may include a controller configured to communicatively connect the subrate channels with the computing device via the USB interface. The controller may also be configured to communicate, to the computing device, connection specifications for the subrate channels.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: October 10, 2017
    Assignee: Lenovo Enterprise Solutions (Singapore) Pte. Ltd.
    Inventors: Daniel J. Barus, Robert M. Piper, Donald G. Polak
  • Patent number: 9742198
    Abstract: A redundant path power subsystem comprises a plurality of phase regulators in a multi-phase power converter. The plurality of phase regulators comprises at least N+2 phase regulators. N phases are sufficient to serve an electrical load coupled with the redundant path power subsystem. The redundant path power subsystem also comprises a plurality of power supplies, and a plurality of input and control paths between the plurality of power supplies and the plurality of phase regulators. The plurality of input and control paths comprises a plurality of multiplexing logic devices and a plurality of phase controllers. The plurality of phase controllers is configured to control the plurality of phase regulators. The plurality of multiplexing logic devices is configured to multiplex control signals from the plurality of power supplies and a microprocessor for the plurality of phase controllers.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: August 22, 2017
    Assignee: International Business Machines Corporation
    Inventors: Daniel J. Barus, Kevin R. Covi, William P. Kostenko, Jack P. Lee, Peter A. Wendling
  • Publication number: 20160211674
    Abstract: A redundant path power subsystem comprises a plurality of phase regulators in a multi-phase power converter. The plurality of phase regulators comprises at least N+2 phase regulators. N phases are sufficient to serve an electrical load coupled with the redundant path power subsystem. The redundant path power subsystem also comprises a plurality of power supplies, and a plurality of input and control paths between the plurality of power supplies and the plurality of phase regulators. The plurality of input and control paths comprises a plurality of multiplexing logic devices and a plurality of phase controllers. The plurality of phase controllers is configured to control the plurality of phase regulators. The plurality of multiplexing logic devices is configured to multiplex control signals from the plurality of power supplies and a microprocessor for the plurality of phase controllers.
    Type: Application
    Filed: March 28, 2016
    Publication date: July 21, 2016
    Inventors: Daniel J. Barus, Kevin R. Covi, William P. Kostenko, Jack P. Lee, Peter A. Wendling
  • Patent number: 9298241
    Abstract: A redundant path power subsystem comprises a plurality of phase regulators in a multi-phase power converter. The plurality of phase regulators comprises at least N+2 phase regulators. N phases are sufficient to serve an electrical load coupled with the redundant path power subsystem. The redundant path power subsystem also comprises a plurality of power supplies, and a plurality of input and control paths between the plurality of power supplies and the plurality of phase regulators. The plurality of input and control paths comprises a plurality of multiplexing logic devices and a plurality of phase controllers. The plurality of phase controllers is operable to control the plurality of phase regulators. The plurality of multiplexing logic devices is operable to multiplex control signals from the plurality of power supplies and a microprocessor for the plurality of phase controllers.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: March 29, 2016
    Assignee: International Business Machines Corporation
    Inventors: Daniel J. Barus, Kevin R. Covi, William P. Kostenko, Jack P. Lee, Peter A. Wendling
  • Patent number: 9030047
    Abstract: A redundant path power subsystem comprises a plurality of phase regulators in a multi-phase power converter. The plurality of phase regulators comprises at least N+2 phase regulators. N phases are sufficient to serve an electrical load coupled with the redundant path power subsystem. The redundant path power subsystem also comprises a plurality of power supplies, and a plurality of input and control paths between the plurality of power supplies and the plurality of phase regulators. The plurality of input and control paths comprises a plurality of multiplexing logic devices and a plurality of phase controllers. The plurality of phase controllers is operable to control the plurality of phase regulators. The plurality of multiplexing logic devices is operable to multiplex control signals from the plurality of power supplies and a microprocessor for the plurality of phase controllers.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: May 12, 2015
    Assignee: International Business Machines Corporation
    Inventors: Daniel J. Barus, Kevin R. Covi, William P. Kostenko, Jack P. Lee, Peter A. Wendling
  • Publication number: 20150120982
    Abstract: Multi-channel universal serial bus (USB) to subrate channel methods are disclosed. According to an aspect, a method includes providing a system comprising a USB interface and a multi-channel interface configured to communicatively connect to a plurality of subrate channels. The method also includes communicatively connecting the subrate channels with a computing device via the USB interface. Further, the method includes communicating, to the computing device, connection specifications for the subrate channels.
    Type: Application
    Filed: October 24, 2013
    Publication date: April 30, 2015
    Applicant: International Business Machines Corporation
    Inventors: Daniel J. Barus, Robert M. Piper, Donald G. Polak
  • Publication number: 20150074312
    Abstract: Multi-channel universal serial bus (USB) to subrate channel systems and methods are disclosed. According to an aspect, a system includes a USB interface configured to communicatively connect to a computing device. The system may also include a multi-channel interface configured to communicatively connect to multiple subrate channels. Further, the system may include a controller configured to communicatively connect the subrate channels with the computing device via the USB interface. The controller may also be configured to communicate, to the computing device, connection specifications for the subrate channels.
    Type: Application
    Filed: September 9, 2013
    Publication date: March 12, 2015
    Applicant: International Business Machines Corporation
    Inventors: Daniel J. Barus, Robert M. Piper, Donald G. Polak
  • Patent number: 8812287
    Abstract: A method and device for preserving the wired-OR nature of the clock signal connection between two devices without a direct analog connection between the lines and in an infinitely scalable fashion. The method includes detecting a logic state at a first connector and a second connector and driving an appropriate connector of the device to an active state in response to determining that a connector is driving an active state. The device includes first and second connectors for communicating logic states and driving active states in response to detected logic states.
    Type: Grant
    Filed: February 8, 2011
    Date of Patent: August 19, 2014
    Assignee: International Business Machines Corporation
    Inventor: Daniel J Barus
  • Publication number: 20130328400
    Abstract: A redundant path power subsystem comprises a plurality of phase regulators in a multi-phase power converter. The plurality of phase regulators comprises at least N+2 phase regulators. N phases are sufficient to serve an electrical load coupled with the redundant path power subsystem. The redundant path power subsystem also comprises a plurality of power supplies, and a plurality of input and control paths between the plurality of power supplies and the plurality of phase regulators. The plurality of input and control paths comprises a plurality of multiplexing logic devices and a plurality of phase controllers. The plurality of phase controllers is operable to control the plurality of phase regulators. The plurality of multiplexing logic devices is operable to multiplex control signals from the plurality of power supplies and a microprocessor for the plurality of phase controllers.
    Type: Application
    Filed: August 23, 2012
    Publication date: December 12, 2013
    Applicant: International Business Machines Corporation
    Inventors: Daniel J. Barus, Kevin R. Covi, William P. Kostenko, Jack P. Lee, Peter A. Wendling
  • Publication number: 20130329474
    Abstract: A redundant path power subsystem comprises a plurality of phase regulators in a multi-phase power converter. The plurality of phase regulators comprises at least N+2 phase regulators. N phases are sufficient to serve an electrical load coupled with the redundant path power subsystem. The redundant path power subsystem also comprises a plurality of power supplies, and a plurality of input and control paths between the plurality of power supplies and the plurality of phase regulators. The plurality of input and control paths comprises a plurality of multiplexing logic devices and a plurality of phase controllers. The plurality of phase controllers is operable to control the plurality of phase regulators. The plurality of multiplexing logic devices is operable to multiplex control signals from the plurality of power supplies and a microprocessor for the plurality of phase controllers.
    Type: Application
    Filed: June 8, 2012
    Publication date: December 12, 2013
    Applicant: International Business Machines Corporation
    Inventors: Daniel J. Barus, Kevin R. Covi, William P. Kostenko, Jack P. Lee, Peter A. Wendling
  • Publication number: 20120203537
    Abstract: A method and device for preserving the wired-OR nature of the clock signal connection between two devices without a direct analog connection between the lines and in an infinitely scalable fashion. The method includes detecting a logic state at a first connector and a second connector and driving an appropriate connector of the device to an active state in response to determining that a connector is driving an active state. The device includes first and second connectors for communicating logic states and driving active states in response to detected logic states.
    Type: Application
    Filed: February 8, 2011
    Publication date: August 9, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventor: Daniel J. Barus
  • Patent number: 7353308
    Abstract: In a bi-directional, self-synchronous bus for communication between semiconductor devices, a logic delay is provided as a flag to a state machine control for indicating that the bus is making a transition from a low to a high state. The logic delay causes the bus to adaptively idle until the bus settles, making it amenable for a wide variety of bus sizes and topologies. In this way, oscillation of the bus is avoided without slowing the speed of the state machine clock.
    Type: Grant
    Filed: October 20, 2005
    Date of Patent: April 1, 2008
    Assignee: International Business Machines Corporation
    Inventors: Daniel J. Barus, Eileen M. Behrendt, Jeffrey R. Biamonte, Raymond J. Harrington, Timothy M. Trifilo
  • Patent number: 7057414
    Abstract: In a bi-directional, self-synchronous bus for communication between semiconductor devices, a logic delay is provided as a flag to a state machine control for indicating that the bus is making a transition from a low to a high state. The logic delay causes the bus to adaptively idle until the bus settles, making it amenable for a wide variety of bus sizes and topologies. In this way, oscillation of the bus is avoided without slowing the speed of the state machine clock.
    Type: Grant
    Filed: January 7, 2004
    Date of Patent: June 6, 2006
    Assignee: International Business Machines Corporation
    Inventors: Daniel J. Barus, Eileen M. Behrendt, Jeffrey R. Biamonte, Raymond J. Harrington, Timothy M. Trifilo
  • Patent number: 6876229
    Abstract: A communication system for establishing bidirectional, asynchronous communication between a first device and a second device. The system includes first asynchronous encoder logic and second asynchronous encoder logic for controlling the state of the communication system such that bi-directional communication is enabled without a direction control line.
    Type: Grant
    Filed: September 23, 2003
    Date of Patent: April 5, 2005
    Assignee: International Business Machines Corporation
    Inventors: Daniel J. Barus, Jeffrey R. Biamonte, Raymond J. Harrington, Timothy M. Trifilo