Patents by Inventor Mark A. Walker

Mark A. 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: 7537040
    Abstract: A system for controlling a roller shade having a roller tube windingly receiving a shade fabric varies roller tube rotational speed for constant linear shade speed. The desired linear shade speed, roller tube diameter and shade fabric thickness and length are stored in a memory for use by a microprocessor. Preferably, the roller tube rotational speed is varied by the microprocessor depending on shade position determined by signals from Hall effect sensors. The microprocessor maintains a counter number that is increased or decreased depending on direction of rotation. Based on the counter number, the microprocessor determines shade position and a corrected rotational speed for the desired linear shade speed. Preferably, the microprocessor controls roller tube rotational speed using a pulse width modulated signal. The system may be used to control first and second roller shades having roller tubes of differing diameters or shade fabrics of varying thicknesses.
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: May 26, 2009
    Assignee: Lutron Electronics Co., Inc.
    Inventors: Lawrence R. Carmen, Jr., David J. Dolan, Mark A. Walker
  • Patent number: 7469050
    Abstract: A document store delivers a document requested therefrom from a folder having rights information associated therewith. In response to a request for a copy of the document, rights data for the copy of the document is defined based on the rights information of the folder, and the copy of the document and the defined rights data thereof are published to result in a package with the rights data and the copy of the document encrypted according to a content key (KD) to result in (KD(copy)). The formed package is then delivered to the requester. The rights data can be discovered upon the requester attempting to render the package and such discovery triggers a request for a corresponding license based on such rights data. The license includes (KD) therein in a form available to the requester to decrypt (KD(copy)) if the requester satisfies the rights data.
    Type: Grant
    Filed: August 1, 2003
    Date of Patent: December 23, 2008
    Assignee: Microsoft Corporation
    Inventors: Pavel Kouznetsov, Jason Cahill, Lauren Antonoff, Kevin Brown, Moshe Randall Lutz, Lutz Gerhard, Mark Walker
  • Publication number: 20080103251
    Abstract: A process for the preparation of a water-dissipatable polyurethane comprising preparation of a polyurethane prepolymer, reacting the polyurethane prepolymer with a mono functional end-capping agent to give a partially end capped polyurethane prepolymer and chain extending the partially end capped polyurethane prepolymer to give the water-dissipatable polyurethane. The polyurethanes are useful in ink jet printing.
    Type: Application
    Filed: August 15, 2005
    Publication date: May 1, 2008
    Applicant: FUJIFILM IMAGING COLORANTS LIMITED
    Inventors: John Patrick O' Donnell, Mark Walker, Stephen George Yeates
  • Publication number: 20070295459
    Abstract: A system for controlling a roller shade having a roller tube windingly receiving a shade fabric varies roller tube rotational speed for constant linear shade speed. The desired linear shade speed, roller tube diameter and shade fabric thickness and length are stored in a memory for use by a microprocessor. Preferably, the roller tube rotational speed is varied by the microprocessor depending on shade position determined by signals from Hall effect sensors. The microprocessor maintains a counter number that is increased or decreased depending on direction of rotation. Based on the counter number, the microprocessor determines shade position and a corrected rotational speed for the desired linear shade speed. Preferably, the microprocessor controls roller tube rotational speed using a pulse width modulated signal. The system may be used to control first and second roller shades having roller tubes of differing diameters or shade fabrics of varying thicknesses.
    Type: Application
    Filed: August 30, 2007
    Publication date: December 27, 2007
    Inventors: Lawrence Carmen, David Dolan, Mark Walker
  • Publication number: 20070295460
    Abstract: A system for controlling a roller shade having a roller tube windingly receiving a shade fabric varies roller tube rotational speed for constant linear shade speed. The desired linear shade speed, roller tube diameter and shade fabric thickness and length are stored in a memory for use by a microprocessor. Preferably, the roller tube rotational speed is varied by the microprocessor depending on shade position determined by signals from Hall effect sensors. The microprocessor maintains a counter number that is increased or decreased depending on direction of rotation. Based on the counter number, the microprocessor determines shade position and a corrected rotational speed for the desired linear shade speed. Preferably, the microprocessor controls roller tube rotational speed using a pulse width modulated signal. The system may be used to control first and second roller shades having roller tubes of differing diameters or shade fabrics of varying thicknesses.
    Type: Application
    Filed: August 30, 2007
    Publication date: December 27, 2007
    Inventors: Lawrence Carmen, David Dolan, Mark Walker
  • Publication number: 20070266883
    Abstract: A stingball delivery system, having a housing, a plurality of submunitions, and a plurality of stingballs contained within the housing. The housing has a cylindrical tube and a plurality of curved segments fitted to the cylindrical tube. The cylindrical tube has a fixed end cap and a removable end cap. The submunitions are stacked within the channel defined by cylindrical tube. When the removable end cap is ejected by a pyrotechnic fuze, a plurality of pyrotechnic charges eject the submunitions from the housing individually and sequentially. The ejection of each submunition exerts a force to raise the housing several feet into the air. Each of the submunitions includes a plurality of radially distributed barrels for packaging the stingballs therein. After the submunitions are ejected from the housing, the stingballs are pyrotechnically expelled from the submunitions along predetermined trajectories.
    Type: Application
    Filed: May 16, 2006
    Publication date: November 22, 2007
    Inventors: Raymond Law, G. Donne, Mark Walker
  • Patent number: 7281565
    Abstract: A system for controlling a roller shade having a roller tube windingly receiving a shade fabric varies roller tube rotational speed for constant linear shade speed. The desired linear shade speed, roller tube diameter and shade fabric thickness and length are stored in a memory for use by a microprocessor. Preferably, the roller tube rotational speed is varied by the microprocessor depending on shade position determined by signals from Hall effect sensors. The microprocessor maintains a counter number that is increased or decreased depending on direction of rotation. Based on the counter number, the microprocessor determines shade position and a corrected rotational speed for the desired linear shade speed. Preferably, the microprocessor controls roller tube rotational speed using a pulse width modulated signal. The system may be used to control first and second roller shades having roller tubes of differing diameters or shade fabrics of varying thicknesses.
    Type: Grant
    Filed: February 9, 2004
    Date of Patent: October 16, 2007
    Assignee: Lutron Electronics Co., Inc.
    Inventors: Lawrence R. Carmen, Jr., David J. Dolan, Mark A. Walker
  • Publication number: 20070203979
    Abstract: In some embodiments a request for an outside line for a telephony call is identified by a requesting extension device coupled to a home network, telephony calls via an Internet connection are placed on behalf of the requesting extension device, inbound calls from the Internet connection are detected, and the inbound calls are routed from the Internet connection to an appropriate extension device coupled to the home network. Other embodiments are described and claimed.
    Type: Application
    Filed: February 14, 2006
    Publication date: August 30, 2007
    Inventors: Mark Walker, Ylian Saint-Hilaire
  • Publication number: 20070200920
    Abstract: In some embodiments audio and video data is transmitted from audio/video devices to a home network, and audio and video data is received from the home network to display on audio/video devices to enhance a two-way videoconference, and an interface is provided to the home network to provide control of the video and audio communications between the home network and one or more external audio/video devices. Other embodiments are described and claimed.
    Type: Application
    Filed: February 14, 2006
    Publication date: August 30, 2007
    Inventors: Mark Walker, James Edwards
  • Patent number: 7240716
    Abstract: A coupling assembly for a multiple-tube roller shade includes a support assembly for rotatably supporting and connecting adjacently located tube-end portions and a clutch mechanism providing relative rotation therebetween. The support assembly includes a tube-end fitting and a torque-transferring drive transfer member contacting the tube. The clutch mechanism includes first and second clutch members respectively engaged and separated in closed and opened positions. A pull bar is translatable within one of the shafts and is moved by a draw pin received in aligned openings of the second clutch member, the shaft and the pull bar. The shaft openings are elongated for movement of the second clutch member between the closed and opened positions. An adjustment member threadedly engages the tube-end fitting for vertical adjustment of the fitting with respect to a support panel. The tube-end fitting is secured to a bracket having elongated openings for horizontal adjustment.
    Type: Grant
    Filed: February 24, 2006
    Date of Patent: July 10, 2007
    Assignee: Lutron Electronics Co., Inc.
    Inventors: Joseph M. Nichols, Jr., Mark A. Walker
  • Publication number: 20070094599
    Abstract: An interactive tutorial teaches an operator all of the required information needed to set up, operate, maintain, and troubleshoot a folding machine. The interactive tutorial includes graphic and text displays that provide all the necessary information to the operator or short videos to show exactly how an operation should be carried out. The tutorial preferably uses a touchscreen with buttons that allow the operator to select one from several displayed folder functions, see further information regarding a particular operation, or jump to another screen. In one embodiment, the displayed information in the tutorial is not used to control any functions of the folding machine and may include at least one of an operating manual, a maintenance procedure, and a troubleshooting operation.
    Type: Application
    Filed: April 26, 2006
    Publication date: April 26, 2007
    Applicant: Heidelberger Druckmaschinen Aktiengesellschaft
    Inventors: Mark PELLMAN, Dave NEWMAN, Dave WAGNER, Mark WALKER, Howard SLUSHER
  • Publication number: 20070078987
    Abstract: A multi-mode remote user interface server has been presented. In one embodiment, the multi-mode remote user interface server includes a first storage device to store instructions of a remote-capable application, a second storage device coupled to the first storage device to store a graphical interface description language (GIDL) document associated with the remote-capable application, and a processing device coupled to the first storage device and configured to serve remote client devices having different levels of processing capability, the processing device to allow a remote client device to select a mode out of a plurality of modes in which the remote-capable application is to be run. Other embodiments have been claimed and described.
    Type: Application
    Filed: September 30, 2005
    Publication date: April 5, 2007
    Inventors: Mark Walker, James Edwards
  • Publication number: 20070005727
    Abstract: Systems, methods, and media for a client device discovering remote user interface applications over a network are disclosed. Embodiments may include a remote user interface client of the client device receiving from a content directory service server a code fragment comprising a uniform resource indicator and determining whether the uniform resource indicator is associated with a remote-capable application. Further embodiments may include, in response to determining that the uniform resource indicator is associated with a remote-capable application, engaging by the client device a remote user interface server and receiving by the client device from the remote user interface server one or more display control commands associated with the remote-capable application and displaying a user interface based on the received display control commands. In some embodiments, engaging the remote user interface server comprises switching from the content directory service server. Other embodiments are disclosed and claimed.
    Type: Application
    Filed: June 30, 2005
    Publication date: January 4, 2007
    Inventors: Jim Edwards, Nelson Kidd, Mark Walker, William Lewis
  • Publication number: 20060226628
    Abstract: A human-powered vehicle (100, 560) includes a structural frame (105) supported on multiple road wheels including driven wheels (110) each rotatable about an axle for propulsion, a seat (115) secured to the frame (105, 554) for supporting an operator, a hand crank (250) disposed above the driven wheel (110) and rotatable by hand by an operator seated in the seat (115), and a steerable rear wheel (120) operably linked to the seat (115) such that pivoting of the seat (115) about a seat pivot axis causes pivoting of the rear wheel (120) to steer the vehicle (100, 560).
    Type: Application
    Filed: June 9, 2004
    Publication date: October 12, 2006
    Inventors: Stuart Lindsay, David McMath, Robert Cowles, Timothy Mathewson, Mark Walker
  • Publication number: 20060191695
    Abstract: A wheel lift-assist frame comprises a pair of support beams, which may be coupled with a tillage machine at first ends, each beam to the left or right of the center of the tillage machine respective and running rearward of the tillage machine. The support beams may also be coupled with a planter. A cross beam is coupled with the support beams at second ends thereof. A plurality of wheel assemblies are fixed to the cross beam at points such that the wheels run between rows created by the tillage machine.
    Type: Application
    Filed: February 28, 2005
    Publication date: August 31, 2006
    Applicant: Unverferth Manufacturing Co., Inc.
    Inventors: Mark Walker, Barton Walker, Drew Walker, Richard Anderson, William Maenle, David Smith
  • Publication number: 20060137833
    Abstract: A coupling assembly for a multiple-tube roller shade includes a support assembly for rotatably supporting and connecting adjacently located tube-end portions and a clutch mechanism providing relative rotation therebetween. The support assembly includes a tube-end fitting and a torque-transferring drive transfer member contacting the tube. The clutch mechanism includes first and second clutch members respectively engaged and separated in closed and opened positions. A pull bar is translatable within one of the shafts and is moved by a draw pin received in aligned openings of the second clutch member, the shaft and the pull bar. The shaft openings are elongated for movement of the second clutch member between the closed and opened positions. An adjustment member threadedly engages the tube-end fitting for vertical adjustment of the fitting with respect to a support panel. The tube-end fitting is secured to a bracket having elongated openings for horizontal adjustment.
    Type: Application
    Filed: February 24, 2006
    Publication date: June 29, 2006
    Applicant: Lutron Electronics Co., Inc.
    Inventors: Joseph Nichols, Mark Walker
  • Publication number: 20060131832
    Abstract: A human-powered vehicle includes a driven wheel with a cantilevered hub, and a hand-operable crank for vehicle propulsion. In a wheelchair the hand cranks are supported on towers that are lowerable to fit under a desk or table. With the vehicle at rest, cranking motion of the crank in a first rotational direction propels the vehicle forward and cranking motion of the crank in a second rotational direction propels the vehicle backward. With the vehicle in forward motion, cessation of crank rotation allows free rotation of the wheel, and crank torque applied in a sense opposing forward vehicle motion applies a braking force to the wheel. An electric vehicle includes a transmission wheel hub that provides similar functions with an electric drive, such as for a wheelchair.
    Type: Application
    Filed: November 1, 2005
    Publication date: June 22, 2006
    Inventors: Stuart Lindsay, David McMath, Mark Walker
  • Patent number: 7063124
    Abstract: An insert having a peripheral contact surface is received by a roller tube channel to engage a shade fabric. The insert is adjustable to compress the shade fabric within the channel. The insert may include a body having opposite side edges and at least one elongated slot. The insert member may include pivotable prongs or deflectable slot walls adjacent the slots. Pivoting of the prongs or deflection of the slot walls urges the body toward a channel side wall to compress the shade fabric. The insert may, alternatively, include a body having diametrically opposite portions respectively defining a curved outer periphery and a planar outer periphery, the body being wider between the curved portions. The insert is pivotable about an axis to grip the shade fabric between a channel side wall and one of the curved portions of the body.
    Type: Grant
    Filed: February 2, 2004
    Date of Patent: June 20, 2006
    Assignee: Lutron Electronics Co., Inc.
    Inventors: Mark A. Walker, Michael S. Kokolus
  • Patent number: 7051782
    Abstract: A coupling assembly for a multiple-tube roller shade includes a support assembly for rotatably supporting and connecting adjacently located tube-end portions and a clutch mechanism providing relative rotation therebetween. The support assembly includes a tube-end fitting and a torque-transferring drive transfer member contacting the tube. The clutch mechanism includes first and second clutch members respectively engaged and separated in closed and opened positions. A pull bar is translatable within one of the shafts and is moved by a draw pin received in aligned openings of the second clutch member, the shaft and the pull bar. The shaft openings are elongated for movement of the second clutch member between the closed and opened positions. An adjustment member threadedly engages the tube-end fitting for vertical adjustment of the fitting with respect to a support panel. The tube-end fitting is secured to a bracket having elongated openings for horizontal adjustment.
    Type: Grant
    Filed: October 23, 2003
    Date of Patent: May 30, 2006
    Assignee: Lutron Electronics Co., Inc.
    Inventors: Joseph M. Nichols, Jr., Mark A. Walker
  • Publication number: 20050289339
    Abstract: A method and system for establishing and bridging semi-private peer networks is provided. According to an embodiment of the invention, there is provided a method, member peer node and computer program product to establish a semi-private peer network using encrypted or otherwise obfuscated keys and a connection list identifying members of the semi-private peer network defined by an organizing entity. According to another embodiment of the invention, a method for spanning and a bridging agent with the ability to span information requests and/or queries between multiple, semi-private peer or other networks is disclosed.
    Type: Application
    Filed: August 30, 2005
    Publication date: December 29, 2005
    Applicant: INTEL CORPORATION
    Inventor: Mark Walker