Patents by Inventor David Hughes

David Hughes 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).

  • Bar clamp extension fixture
    Publication number: 20070132165
    Abstract: An extension fixture for combining the clamping capacity of a first and a second bar I-beam cross section bar clamp. The first and second bar clamps each have a fixed jaw, a movable jaw, and a primary bar. The movable jaw of each bar clamp has a clamping means configured to provide a clamping force in the direction of the fixed jaw. To use the bar clamps with the extension fixture, the movable jaw is removed from the first bar clamp, and the movable jaw orientation on the second bar clamp is reversed so that the clamping means is then configured to provide a clamping force away form the second fixed jaw. The first and second primary bars are then inserted into the extension fixture, and pinned and clamped in position. The assembly then forms a combined capacity bar clamp.
    Type: Application
    Filed: December 14, 2005
    Publication date: June 14, 2007
    Inventor: David Hughes
  • Media fusion remote access system
    Publication number: 20070124382
    Abstract: The present invention is a system that receives data in different formats from different devices/applications in the format native to the devices/applications and fuses the data into a common shared audio/video collaborative environment including a composite display showing the data from the different sources in different areas of the display and composite audio. The common environment is presented to users who can be at remote locations. The users are allowed to supply a control input for the different device data sources and the control input is mapped back to the source, thereby controlling the source. The location of the control input on the remote display is mapped to the storage area for that portion of the display and the control data is transmitted to the corresponding device/application.
    Type: Application
    Filed: March 7, 2006
    Publication date: May 31, 2007
    Applicant: SILICON GRAPHICS, INC.
    Inventor: David Hughes
  • Sequence numbers for multiple quality of service levels
    Publication number: 20070115812
    Abstract: A system for providing communications using sequence numbers for multiple quality of service (QoS) levels includes a first network device. The first network device receives a data packet and determines a QoS level for the data packet. The first network device also determines a sequence number for the data packet based on the QoS level. The first network device then marks the data packet with the sequence number. The system also may include a second network device. The second network device receives from the first network device the data packet marked with the sequence number based on the QoS level of the data packet. The second network device determines an expected sequence number window based on the QoS level of the data packet. The second network device then determines whether the sequence number of the data packet is within the expected sequence number window for the QoS level.
    Type: Application
    Filed: November 22, 2005
    Publication date: May 24, 2007
    Inventor: David Hughes
  • Combination electrical connector
    Publication number: 20070097601
    Abstract: An electrical connector for connecting to an electrical apparatus within a high power circuit includes an electrical contact and an enclosure. The electrical contact is configured to connect to a bushing of an electrical apparatus within a high power circuit. The electrical contact extends along a first direction from a coupling region. The enclosure extends from the coupling region in a second direction that is nonparallel to the first direction. The enclosure includes two or more electrical devices, with each electrical device being connected to the electrical contact within the coupling region and providing a current path from the electrical apparatus to at least one external coupling device within the high power circuit.
    Type: Application
    Filed: July 11, 2005
    Publication date: May 3, 2007
    Inventor: David Hughes
  • Network device continuity
    Publication number: 20070097874
    Abstract: A network device that ensures network continuity includes a processor and a communications interface. The processor determines whether the network device is functioning properly. The processor then generates a signal indicating whether the network device is functioning properly and transmits the signal to the communications interface. The communications interface is coupled to the processor and a policy based routing system. The communications interface processes the signal to activate or deactivate a link to the policy based routing system.
    Type: Application
    Filed: October 31, 2005
    Publication date: May 3, 2007
    Inventors: David Hughes, Damon Ennis, Narayan Balasubramanian
  • Communicating voice over a packet-switching network
    Patent number: 7212522
    Abstract: Communicating voice over a packet-switching network is implemented on a telecommunications network that includes the packet-switching network, two coding units coupled to the packet-switching network and to an originating node and a terminating node, respectively, and at least one signaling apparatus. The first of the two coding units is configured to extract signaling data associated with the voice call and transmit the signaling data and its network address to the signaling apparatus. Signaling data for establishing the voice call is received by the signaling apparatus, and a network address of the coding unit in the packet-switching network is obtained. The second coding unit is controlled to establish a bearer channel with the first coding unit for carrying the voice data through the packet-switching network, based on the network address.
    Type: Grant
    Filed: July 8, 2004
    Date of Patent: May 1, 2007
    Assignee: Cisco Technology, Inc.
    Inventors: Udaya Shankar, Andrew West, Douglas Shriver, Fred R. Rednor, David Auerbach, David Hughes
  • METHOD OF MAKING A THIN DIE TO BE USED IN A PRESS
    Publication number: 20070051204
    Abstract: Disclosed is a thin die adapted to be used in a press and a die press system utilizing the thin die and a die press, such as a platen die press or a roller die press. The die disclosed herein includes a base or backing portion that provides rigidity to the die assembly. The base includes an indentation defining a border around the peripheral edge of the base. A thin die is housed in the indentation of the base. The thin die is positioned in the indentation and adhered using an adhesive, such that the raised portions of the thin die are facing away from the indentation in the base. Ejection foam is adhered to the raised portion side of the thin die by an adhesive so that the ejection foam protects the raised portion of the thin die and ejects a cut shape out of the sheet material.
    Type: Application
    Filed: October 24, 2006
    Publication date: March 8, 2007
    Applicant: Ellison Educational Equipment, Inc.
    Inventor: David Hughes
  • Network memory architecture
    Publication number: 20070050475
    Abstract: A network memory system comprises a first appliance and a second appliance. The first appliance receives data and determines whether a portion of the data is locally accessible to the second appliance. The first appliance generates an instruction based on the determination and transfers the instruction to the second appliance over a communication network. The second appliance receives the instruction from the first appliance over the communication network and processes the instruction to obtain the data. The second appliance then transfers the data to a computer.
    Type: Application
    Filed: August 12, 2005
    Publication date: March 1, 2007
    Inventor: David Hughes
  • Automatic gain control system having a wide range of continuous gain control
    Patent number: 7184730
    Abstract: An automatic gain control system (100) and methods thereof for a receiver for providing a wide range of continuous gain control has been discussed. The AGC includes an input stage (120) for providing an indication of a strength of a received signal; an attenuator stage (107) operable to switch a fixed amount of attenuation for the received signal; a variable attenuator (109) to provide a variable amount of attenuation for said received signal, and a controller (135) responsive to said indication for providing a variable control signal (145) to the variable attenuator; wherein the controller concurrently changes the variable control signal to change in the opposite direction the variable amount of attenuation by approximately the fixed amount of attenuation whenever the attenuator stage is switched, thereby extending the range of continuous gain control beyond the range of the variable attenuator.
    Type: Grant
    Filed: May 3, 2002
    Date of Patent: February 27, 2007
    Assignee: Motorola, Inc.
    Inventors: James David Hughes, Lynn R. Freytag, John Richard Oakley
  • Network memory appliance
    Publication number: 20070038815
    Abstract: A first appliance of a network memory includes a processor configured to receive data. The processor determines whether the data is locally accessible to a second appliance of the network memory and generates an instruction based on the determination in order that the second appliance obtain the data. The processor then transfers the instruction over a communication network to the second appliance. In another first appliance of a network memory, the first appliance includes a processor configured to receive an instruction over a communication network from a second appliance of the network memory. The processor processes the instruction to determine an action to perform to obtain the data. The processor performs the action to obtain the data if the data is locally accessible to the first appliance.
    Type: Application
    Filed: September 29, 2005
    Publication date: February 15, 2007
    Inventor: David Hughes
  • Compliance in a network memory architecture
    Publication number: 20070038858
    Abstract: A network memory system for ensuring compliance is disclosed. The network memory system comprises a first appliance configured to encrypt first data, store the encrypted first data in a first memory device. The first appliance also determines whether the encrypted first data exists in a second appliance and transmits a store instruction comprising the encrypted first data based on the determination that the encrypted first data does not exist in the second appliance is configured to receive the store instruction from the first appliance and store the encrypted first data in a second memory device. The second appliance is further configured to receive a retrieve instruction comprising an index at which the encrypted first data is stored, process the retrieve instruction to obtain encrypted response data, and decrypt the encrypted response data.
    Type: Application
    Filed: July 31, 2006
    Publication date: February 15, 2007
    Inventor: David Hughes
  • Ensuring data integrity in network memory
    Publication number: 20070038816
    Abstract: A first appliance for ensuring data integrity in network memory is disclosed. The first appliance includes a processor and a communications interface that communicates over a communication network with a second appliance of the network memory. The processor determines whether reconciliation between a first peer state information in the first appliance and a second peer state information in the second appliance is needed. The first peer state information and the second peer state information track the status of data in the network memory. The processor determines an action to reconcile the first peer state information with the second peer state information based on a positive determination that the reconciliation is needed. The processor then performs the action to reconcile the first peer state information with the second peer state information.
    Type: Application
    Filed: February 16, 2006
    Publication date: February 15, 2007
    Inventors: David Hughes, John Burns, Zhigang Yin
  • Apparatus, system and methods for deadfront visible loadbreak
    Publication number: 20070032110
    Abstract: A loadbreak connector system and methods for visible break include first and second mating connector assemblies configured to make or break an electrical connection under energized circuit conditions, the first and second mating connectors selectively postionable relative to one another. One of the first and second mating connectors includes an arc follower, and the other of the first and second mating connectors includes an arc interrupter. The arc interrupter is configured to receive the arc follower, and the first and second meting connectors are positionable in an disconnected position wherein the arc follower remains engaged to and is located within the arc interrupter. Arc energy is distributed among multiple locations to reduce arc intensity.
    Type: Application
    Filed: August 8, 2005
    Publication date: February 8, 2007
    Inventors: David Hughes, Brian Steinbrecher
  • Electrical connector
    Publication number: 20070026714
    Abstract: An electrical connector includes a sleeve defining an axis and a contact assembly inserted in the sleeve, the contact assembly including pieces that move axially relative to one another during a fault close operation. An interface between the sleeve and the contact assembly is configured to permit replacement of the contact assembly without replacing the sleeve.
    Type: Application
    Filed: July 28, 2005
    Publication date: February 1, 2007
    Applicant: Cooper Technologies Company
    Inventors: David Hughes, John Makal, Paul Roscizewski
  • Separable loadbreak connector and system with shock absorbent fault closure stop
    Publication number: 20070026713
    Abstract: A separable loadbreak connector and system includes a connector having a contact tube with an axial passage therethrough, and a contact member slidably mounted within the axial passage and movable therein during a fault closure condition. The contact member is axially movable within the passage with the assistance of an arc quenching gas during the fault closure condition, and a shock absorbent stop element is mounted to the contact tube and limiting movement of the contact member in the fault closure condition.
    Type: Application
    Filed: July 29, 2005
    Publication date: February 1, 2007
    Inventors: David Hughes, Paul Roscizewski
  • System and method for multiplexing wireless devices
    Patent number: 7164666
    Abstract: A system that multiplexes a plurality of wireless devices with a wireless network, each of the wireless devices sharing a common telephone number. The system assigns a predefined access time for each of said wireless devices. The system also assigns a predefined length of time during which each of said wireless devices will have access to said wireless network. A sequence of accesses to the wireless network can then be initiated in accordance with the predefined access time and the predefined length of time such that a maximum of one of the wireless devices accesses said local network at a time.
    Type: Grant
    Filed: January 18, 2002
    Date of Patent: January 16, 2007
    Assignee: Northwater Intellectual Property Fund L.P. (Bunn)
    Inventors: Frank E. Bunn, David Hughes, Steven Katz
  • Methods and apparatus for remotely enabling personal independence
    Publication number: 20060293570
    Abstract: Methods and apparatus for in-residence care are disclosed. The methods and apparatus enable a remote care provider to configure a home with a home controller and a plurality of medical and non-medical sensors based on the results of a periodic assessment survey. The remote care provider may also download software to the home controller to allow a new sensor to be connected to the home controller. The remote care provider then monitors data from the sensors electronically and provides services based on the assessment survey. Periodically and/or based on alerts generated in response to the monitored data, the remote care provider conducts virtual visits to the home using an audio/video telecommunications system. A home care provider or other professional may also conduct an actual visit to the home, and data associated with the actual visits may be recorded by the remote care provider.
    Type: Application
    Filed: June 24, 2005
    Publication date: December 28, 2006
    Inventors: John Croghan, Philip Sheridan, Jonathan Weatherly, David Hughes, Mark Skolnik
  • Hydraulic nut and improved seals therefor
    Publication number: 20060257227
    Abstract: A hydraulic nut for tensioning an assembly comprises a mechanical threaded locking collar to minimize load loss during transfer of hydraulic load to the locking collar, an annular piston, an annular pressure area to generate an axial load under hydraulic pressure, a hydraulic pressure port and preferably metallic seals to maintain the hydraulic pressure within the annular pressure area that operates in an elastic region and continues to actuate hydraulic pressure after repeated operating temperature cycles. The seals of the hydraulic nut have a ‘U’ or ‘C’ shaped cross-section.
    Type: Application
    Filed: April 14, 2006
    Publication date: November 16, 2006
    Inventors: Gordon Britton, David Hughes, Mark Johnson
  • Over-voltage protection system
    Publication number: 20060216992
    Abstract: An electrical device includes a body, an electrical contact having a first end for electrically coupling to an electrical apparatus and a second end within the body, and a conductor electrically coupled to the second end of the electrical contact. The electrical device also includes an access region defining a cavity and a surge arrester that electrically couples to the conductor through the access region. The cavity provides access to an interior of the electrical device. The access region may include an insulating projection extending from an insulating body of the electrical device and a conductive cover surrounding the insulating projection. The insulating projection defines the cavity. The conductive cover is electrically isolated relative to a conductive shell that surrounds the insulating body.
    Type: Application
    Filed: March 25, 2005
    Publication date: September 28, 2006
    Inventor: David Hughes
  • Virtual-channel merging
    Patent number: 7110363
    Abstract: A method for operating a router which combines virtual channels is disclosed, where both forward and reverse directed resource management cells are used to control transmission rate of a source computer. The merging router receives forward directed resource management cells from a plurality of upstream routers, where each forward directed resource management cell represents a virtual channel. The router: (1) replies to each upstream router with a reverse directed resource management cell; and (2) forwards to a downstream router a combined forward directed resource management cell, the combined forward directed resource management cell combining a plurality of virtual channels established between the router and the plurality of upstream routers.
    Type: Grant
    Filed: January 28, 2003
    Date of Patent: September 19, 2006
    Assignee: Cisco Technology, Inc.
    Inventors: Jeremy Lawrence, Bruce S. Davie, David A. Hughes