Patents by Inventor James R. Walker

James R. Walker 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: 11271439
    Abstract: A wireless power system may use a wireless power transmitting device to transmit wireless power to a wireless power receiving device. The wireless power transmitting device may transmit wireless power at a wireless power transmission frequency. Wireless power signals at the wireless power transmission frequency can create interference with a sensitive electrical component in the wireless power receiving device when the wireless power transmission frequency lies in a sensitive frequency band associated with the component. Measurement circuitry in the wireless power receiving device can measure the wireless power transmission frequency. In response to determining that the wireless power transmission frequency lies in a sensitive frequency band, the wireless power receiving device may send an in-band wireless power level adjustment request to the wireless power transmitting device. The request causes a frequency adjustment that moves the wireless power transmission frequency out of the sensitive band.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: March 8, 2022
    Assignee: Apple Inc.
    Inventors: David R. Falkenburg, Cortland S. Tolva, James R. Walker, Samuel B. Schaevitz
  • Publication number: 20210218797
    Abstract: A method and system for managing an application with multiple modes are described. A device manager that manages a mobile device may monitor the mobile device. The device manager may detect that a first type of application that runs in a managed mode (or in multiple managed modes) and an unmanaged mode is installed on the mobile device. When the application is executed on the device, the application executes in accordance with the selected application mode, e.g., based on location, user, role, industry presence, or other predefined context.
    Type: Application
    Filed: March 29, 2021
    Publication date: July 15, 2021
    Inventors: Zhongmin Lang, Gary Barton, Nitin Desai, James R. Walker
  • Patent number: 10965734
    Abstract: A method and system for managing an application with multiple modes are described. A device manager that manages a mobile device may monitor the mobile device. The device manager may detect that a first type of application that runs in a managed mode (or in multiple managed modes) and an unmanaged mode is installed on the mobile device. When the application is executed on the device, the application executes in accordance with the selected application mode, e.g., based on location, user, role, industry presence, or other predefined context.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: March 30, 2021
    Assignee: Citrix Systems, Inc.
    Inventors: Zhongmin Lang, Gary Barton, Nitin Desai, James R. Walker
  • Publication number: 20200227953
    Abstract: A wireless power system may use a wireless power transmitting device to transmit wireless power to a wireless power receiving device. The wireless power transmitting device may transmit wireless power at a wireless power transmission frequency. Wireless power signals at the wireless power transmission frequency can create interference with a sensitive electrical component in the wireless power receiving device when the wireless power transmission frequency lies in a sensitive frequency band associated with the component. Measurement circuitry in the wireless power receiving device can measure the wireless power transmission frequency. In response to determining that the wireless power transmission frequency lies in a sensitive frequency band, the wireless power receiving device may send an in-band wireless power level adjustment request to the wireless power transmitting device. The request causes a frequency adjustment that moves the wireless power transmission frequency out of the sensitive band.
    Type: Application
    Filed: March 16, 2020
    Publication date: July 16, 2020
    Inventors: David R. Falkenburg, Cortland S. Tolva, James R. Walker, Samuel B. Schaevitz
  • Patent number: 10608474
    Abstract: A wireless power receiving device may have wireless power receiving circuitry with a coil and rectifier. The wireless power receiving circuitry receives wireless power signals and uses the rectifier to supply a corresponding output. The output is characterized by a current, a voltage, and a power equal to a product of the current and voltage. The output of the rectifier is supplied to a direct-current-to-direct-current power regulator integrated circuit, which supplies direct-current power to a system load and battery. A controller integrated circuit directs the power regulator circuit to dither the current while monitoring for a peak in the power. If the power regulator circuit dithers the current satisfactorily, the wireless power receiving circuitry may be operated at the peak power. If the power regulator circuitry does not dither the current in response to being directed to dither the current, a wireless power transmission level may be reduced.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: March 31, 2020
    Assignee: Apple Inc.
    Inventors: Samuel B. Schaevitz, Cortland S. Tolva, James R. Walker
  • Patent number: 10594170
    Abstract: A wireless power system may use a wireless power transmitting device to transmit wireless power to a wireless power receiving device. The wireless power transmitting device may transmit wireless power at a wireless power transmission frequency. Wireless power signals at the wireless power transmission frequency can create interference with a sensitive electrical component in the wireless power receiving device when the wireless power transmission frequency lies in a sensitive frequency band associated with the component. Measurement circuitry in the wireless power receiving device can measure the wireless power transmission frequency. In response to determining that the wireless power transmission frequency lies in a sensitive frequency band, the wireless power receiving device may send an in-band wireless power level adjustment request to the wireless power transmitting device. The request causes a frequency adjustment that moves the wireless power transmission frequency out of the sensitive band.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: March 17, 2020
    Assignee: Apple Inc.
    Inventors: David R. Falkenburg, Cortland S. Tolva, James R. Walker, Samuel B. Schaevitz
  • Patent number: 10372979
    Abstract: A method for performing image processing of a physical document image. The method may include receiving an image file including an image of a physical document and a control target. The method may include measuring control target attributes of the control target. Measuring the control target attributes of the control target may include numerically measuring a degree of focus of the image file based on the control target. The method may include performing a static crop of the image file based on the control target attributes by removing the control target from the image file to create a cropped image.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: August 6, 2019
    Assignee: ArcaSearch Corporation
    Inventors: James R. Walker, Calvin G. Sixta
  • Publication number: 20190208003
    Abstract: A method and system for managing an application with multiple modes are described. A device manager that manages a mobile device may monitor the mobile device. The device manager may detect that a first type of application that runs in a managed mode (or in multiple managed modes) and an unmanaged mode is installed on the mobile device. When the application is executed on the device, the application executes in accordance with the selected application mode, e.g., based on location, user, role, industry presence, or other predefined context.
    Type: Application
    Filed: March 7, 2019
    Publication date: July 4, 2019
    Inventors: Zhongmin Lang, Gary Barton, Nitin Desai, James R. Walker
  • Patent number: 10284627
    Abstract: A method and system for managing an application with multiple modes are described. A device manager that manages a mobile device may monitor the mobile device. The device manager may detect that a first type of application that runs in a managed mode (or in multiple managed modes) and an unmanaged mode is installed on the mobile device. When the application is executed on the device, the application executes in accordance with the selected application mode, e.g., based on location, user, role, industry presence, or other predefined context.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: May 7, 2019
    Assignee: Citrix Systems, Inc.
    Inventors: Zhongmin Lang, Gary Barton, Nitin Desai, James R. Walker
  • Publication number: 20190067995
    Abstract: A wireless power receiving device may have wireless power receiving circuitry with a coil and rectifier. The wireless power receiving circuitry receives wireless power signals and uses the rectifier to supply a corresponding output. The output is characterized by a current, a voltage, and a power equal to a product of the current and voltage. The output of the rectifier is supplied to a direct-current-to-direct-current power regulator integrated circuit, which supplies direct-current power to a system load and battery. A controller integrated circuit directs the power regulator circuit to dither the current while monitoring for a peak in the power. If the power regulator circuit dithers the current satisfactorily, the wireless power receiving circuitry may be operated at the peak power. If the power regulator circuitry does not dither the current in response to being directed to dither the current, a wireless power transmission level may be reduced.
    Type: Application
    Filed: January 26, 2018
    Publication date: February 28, 2019
    Inventors: Samuel B. Schaevitz, Cortland S. Tolva, James R. Walker
  • Publication number: 20190068003
    Abstract: A wireless power system may use a wireless power transmitting device to transmit wireless power to a wireless power receiving device. The wireless power transmitting device may transmit wireless power at a wireless power transmission frequency. Wireless power signals at the wireless power transmission frequency can create interference with a sensitive electrical component in the wireless power receiving device when the wireless power transmission frequency lies in a sensitive frequency band associated with the component. Measurement circuitry in the wireless power receiving device can measure the wireless power transmission frequency. In response to determining that the wireless power transmission frequency lies in a sensitive frequency band, the wireless power receiving device may send an in-band wireless power level adjustment request to the wireless power transmitting device. The request causes a frequency adjustment that moves the wireless power transmission frequency out of the sensitive band.
    Type: Application
    Filed: January 29, 2018
    Publication date: February 28, 2019
    Inventors: David R. Falkenburg, Cortland S. Tolva, James R. Walker, Samuel B. Schaevitz
  • Patent number: 10046255
    Abstract: A dual filter pump assembly provides a portable, typically hand-powered vacuum and pressure pump that alternatively creates a vacuum or negative pressure and positive pressure which force a liquid to be filtered through various passageways and chambers in a base and through a coarse filter medium and a micro filter medium. A lower check valve and an upper check valve maintain synchronized communication between the passageways, such that there is sufficient pressure and flow regulation to force the liquid through micro-sized pores in the generally flow restrictive micro filter medium. The micro-sized pores may be susceptible to inhibiting the flow of the liquid, and consequently generate pressure build up inside the pump and filter chambers. In some embodiments, a relief valve may help release the excess fluid pressure build up in the pump and filter chambers.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: August 14, 2018
    Inventor: James R. Walker
  • Patent number: 9808833
    Abstract: A hydraulic separation system and method enables efficient recycling of log yard waste from an elevated frame. The system separates fine granules, small rocks, small bark, large bark, and large rocks with a variety of sequentially positioned, hydraulically powered separating components. The separation is mechanical and the size and weight of the individual material determines where in the system it is separated. Conveyors carry the log yard waste through the system. Shaking screens shake in a fast, up and down motion to flip and move the material through the system. Adjustable sloped plates work to accelerate and decelerate the material through the system. Dampening fingers control the disposition of elongated pieces of large bark and help to decelerate down the material. Blowers separate the bark from heavier rock and granular material. The elevated frame to enable cleaning and access to materials discharged beneath the elevated frame.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: November 7, 2017
    Assignee: WALKER DEROCKER, LLC
    Inventors: James R. Walker, Mike L. Morris
  • Patent number: 9690986
    Abstract: A method for processing a physical document image. The method includes receiving a temporary quality control thumbnail file, a temporary metadata thumbnail file, and a high resolution archive file. Each of the temporary quality control thumbnail file, the temporary metadata thumbnail file, and the high resolution archive file is associated with a raw image captured by an imaging station. The method also includes performing a quality control process on the temporary quality control thumbnail file. The method further includes performing a metadata process on the temporary metadata thumbnail file. The method additionally includes performing an optical character recognition optimization process on the high resolution archive file. The method includes performing an image optimization process on the high resolution archive file.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: June 27, 2017
    Assignee: ArcaSearch Corporation
    Inventors: James R. Walker, Calvin G. Sixta
  • Patent number: 9338056
    Abstract: Network administration systems and methods are disclosed. In an exemplary implementation, a method of administering a computer network may include listening to inter-switch communication at a server computer in the computer network. The method may also include parsing the inter-switch communication. The method may also include extracting data about the network from the inter-switch communication for display to a user at the server computer.
    Type: Grant
    Filed: October 26, 2006
    Date of Patent: May 10, 2016
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Michael Sean McGee, James R. Walker, Mark C. Stratton
  • Publication number: 20140297825
    Abstract: A method and system for managing an application with multiple modes are described. A device manager that manages a mobile device may monitor the mobile device. The device manager may detect that a first type of application that runs in a managed mode (or in multiple managed modes) and an unmanaged mode is installed on the mobile device. When the application is executed on the device, the application executes in accordance with the selected application mode, e.g., based on location, user, role, industry presence, or other predefined context.
    Type: Application
    Filed: September 9, 2013
    Publication date: October 2, 2014
    Applicant: CITRIX SYSTEMS, INC.
    Inventors: Zhongmin Lang, Gary Barton, Nitin Desai, James R. Walker
  • Patent number: 8650303
    Abstract: A method and system for managing an application with multiple modes are described. A device manager that manages a mobile device may monitor the mobile device. The device manager may detect that a first type of application that runs in a managed mode (or in multiple managed modes) and an unmanaged mode is installed on the mobile device. When the application is executed on the device, the application executes in accordance with the selected application mode, e.g., based on location, user, role, industry presence, or other predefined context.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: February 11, 2014
    Assignee: Citrix Systems, Inc.
    Inventors: Zhongmin Lang, Gary Barton, Nitin Desai, James R. Walker
  • Patent number: 8121051
    Abstract: A computer system teams its network resource ports on a per virtual network basis. The system configures one or more virtual networks. For each of the one or more configured virtual networks, the system establishes a team comprising two or more of the network resource ports. The system selects a layer2 address that is uniquely associated with one of the ports of the team. The system assigns the selected unique layer2 address to be the primary layer2 address for the team.
    Type: Grant
    Filed: February 26, 2007
    Date of Patent: February 21, 2012
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Michael Sean McGee, James R. Walker, Mark C Stratton
  • Publication number: 20120014993
    Abstract: The present disclosure relates to spore surface display compositions comprising a spore having at least one nucleic acid sequence encoding for at least one polypeptide and operable to express the polypeptide on a surface of the spore. In some embodiments, the displayed polypeptide is displayed with a spore carrier protein. In some embodiments, the spore may be derived from a Clostriduim sp. such as Clostriduim taeniosporum. Spore display compositions of the disclosure may include vaccines, fusion proteins, drug delivery devices, systems for generating an antibody to an antigen/peptide expressed on a spore surface, an anticancer drug, an immobilized enzyme system, a system for serological reagent preparation, a contaminant removal system, a biocatalysis system, a screening platform, a nanotechnology platform, a bioanalytical sensor, a molecular electronic system and/or a signal processing system. Methods for making and using these compositions are described.
    Type: Application
    Filed: June 17, 2011
    Publication date: January 19, 2012
    Inventors: James R. Walker, Alexandra Blinkova, Philip Tucker
  • Patent number: 7532355
    Abstract: A computer implemented method for generating a plurality of bitmaps suitable for high-speed printing includes the steps of: (a) providing a page description code specification that defines a data area and at least one graphical attribute associated with the data area, where the graphical attribute defines the appearance of at least a portion of data associated with the data area; (b) interpreting the page description code specification, and during this interpretation, identifying the data area defined by the page description code specification; (c) storing the graphical attribute associated with the data area upon identification of the data area in step (b); (d) retrieving an object bitmap; (e) applying the stored graphical attribute to the object bitmap to generate a bitmap suitable for high-speed printing; and (g) repeating steps (d) and (e) to create a plurality of bitmaps suitable for high-speed printing such that the stored graphical attribute is applied repeatedly in the generation of the plurality of t
    Type: Grant
    Filed: September 14, 2005
    Date of Patent: May 12, 2009
    Assignee: Tesseron Ltd.
    Inventors: Forrest P. Gauthier, James R. Walker