Patents by Inventor James Youngman
James Youngman 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).
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Patent number: 7911211Abstract: An embodiment disclosed herein is directed to a method of monitoring an electromagnetic shield effectiveness including transmitting a first electromagnetic field toward a first surface of an electromagnetic shield, detecting a second electromagnetic field transmitted from a second surface of the electromagnetic shield, generating a first signal corresponding to the second electromagnetic field and determining whether a defect exists at the electromagnetic shield by comparing the first signal to a predetermined threshold.Type: GrantFiled: September 18, 2009Date of Patent: March 22, 2011Assignee: L-3 Communications CorporationInventors: Charles R. Crain, Phillip D. Lane, Kelly L. Rice, James A. Youngman
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Publication number: 20100007356Abstract: An embodiment disclosed herein is directed to a method of monitoring an electromagnetic shield effectiveness comprising transmitting a first electromagnetic field toward a first surface of an electromagnetic shield, detecting a second electromagnetic field transmitted from a second surface of the electromagnetic shield, generating a first signal corresponding to the second electromagnetic field and determining whether a defect exists at the electromagnetic shield by comparing the first signal to a predetermined threshold.Type: ApplicationFiled: September 18, 2009Publication date: January 14, 2010Applicant: L-3 Communications Corporation, a Delaware CorporationInventors: Charles R. Crain, Phillip D. Lane, Kelly L. Rice, James A. Youngman
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Publication number: 20090139844Abstract: A dielectric insulated mechanical switch is coupled to a capacitive energy storage arrangement and a pulse forming network. The dielectric insulated mechanical switch is immersed in a dielectric substance. A controller is coupled to the dielectric insulated mechanical switch. The controller is programmed to selectively open and close the dielectric insulated mechanical switch so as to supply energy stored in the capacitive energy storage device to the pulse forming network and thereby form a high voltage energy pulse.Type: ApplicationFiled: February 3, 2009Publication date: June 4, 2009Applicant: L-3 Communications Corporation, a Delaware corporationInventors: Charles Crain, Philip Lane, John McClure, James Youngman
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Publication number: 20090058426Abstract: An embodiment disclosed herein is directed to a method of monitoring an electromagnetic shield effectiveness comprising transmitting a first electromagnetic field toward a first surface of an electromagnetic shield, detecting a second electromagnetic field transmitted from a second surface of the electromagnetic shield, generating a first signal corresponding to the second electromagnetic field and determining whether a defect exists at the electromagnetic shield by comparing the first signal to a predetermined threshold.Type: ApplicationFiled: November 14, 2008Publication date: March 5, 2009Applicant: L-3 Communications Corporation, a Delaware corporationInventors: Charles R. Crain, Phillip D. Lane, Kelly L. Rice, James A. Youngman
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Patent number: 7485989Abstract: A system for generating a high voltage energy pulse comprises a capacitive energy storage arrangement that is coupled to a direct current (DC) power supply. The capacitive energy storage arrangement stores energy from the power supply. The system also includes a pulse forming network for forming frequency contents of a high voltage energy pulse. A dielectric insulated mechanical switch is coupled to the capacitive energy storage arrangement and the pulse forming network. The dielectric insulated mechanical switch is immersed in a dielectric substance. A controller is coupled to the dielectric insulated mechanical switch. The controller is programmed to selectively open and close the dielectric insulated mechanical switch so as to supply energy stored in the capacitive energy storage device to the pulse forming network and thereby form the high voltage energy pulse.Type: GrantFiled: September 20, 2006Date of Patent: February 3, 2009Assignee: L-3 Communications CorporationInventors: Charles Crain, Philip Lane, John McClure, James Youngman
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Patent number: 7459916Abstract: An embodiment disclosed herein is directed to an electromagnetic shielding defect monitoring system that includes a transmit system adapted to transmit a first electromagnetic field toward a first surface of an electromagnetically shielded enclosure, thereby generating a first current on the first surface, a stationary receive system adapted to detect a second electromagnetic field transmitted from a second surface of the electromagnetically shielded enclosure by a second current induced on the second surface by the first current and to generate a corresponding detected signal; control circuitry adapted to control operations of the transmit and receive systems; and analysis circuitry adapted to identify a location of a defect in the electromagnetically shielded enclosure based upon operations of the transmit and receive systems and based upon the detected signal.Type: GrantFiled: August 30, 2006Date of Patent: December 2, 2008Assignee: L-3 Communications CorporationInventors: Charles R. Crain, Phillip D. Lane, Kelly L. Rice, James A. Youngman
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Publication number: 20080074123Abstract: An embodiment disclosed herein is directed to an electromagnetic shielding defect monitoring system that includes a transmit system adapted to transmit a first electromagnetic field toward a first surface of an electromagnetically shielded enclosure, thereby generating a first current on the first surface, a stationary receive system adapted to detect a second electromagnetic field transmitted from a second surface of the electromagnetically shielded enclosure by a second current induced on the second surface by the first current and to generate a corresponding detected signal; control circuitry adapted to control operations of the transmit and receive systems; and analysis circuitry adapted to identify a location of a defect in the electromagnetically shielded enclosure based upon operations of the transmit and receive systems and based upon the detected signal.Type: ApplicationFiled: August 30, 2006Publication date: March 27, 2008Applicant: L-3 Communications Corporation, a Delaware corporationInventors: Charles R. Crain, Phillip D. Lane, Kelly L. Rice, James A. Youngman
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Publication number: 20080068027Abstract: A monitoring system in accordance with one embodiment comprising a plurality of surge arrestors; a plurality of probes coupled, each one of the plurality of probes coupled to one of the plurality of surge arrestors; the plurality of probes comprising at least one current probe and at least one voltage probe; a switching matrix coupled to the plurality of probes; and an electronic measuring device coupled to the switch, the electronic measuring device for measuring signals from the plurality of probes, the signals corresponding to a status of each of the plurality the surge arrestors.Type: ApplicationFiled: September 20, 2006Publication date: March 20, 2008Inventors: Charles Crain, Philip Lane, Kelly Rice, James Youngman
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Publication number: 20080067875Abstract: A system for generating a high voltage energy pulse comprises a capacitive energy storage arrangement that is coupled to a direct current (DC) power supply. The capacitive energy storage arrangement stores energy from the power supply. The system also includes a pulse forming network for forming frequency contents of a high voltage energy pulse. A dielectric insulated mechanical switch is coupled to the capacitive energy storage arrangement and the pulse forming network. The dielectric insulated mechanical switch is immersed in a dielectric substance. A controller is coupled to the dielectric insulated mechanical switch. The controller is programmed to selectively open and close the dielectric insulated mechanical switch so as to supply energy stored in the capacitive energy storage device to the pulse forming network and thereby form the high voltage energy pulse.Type: ApplicationFiled: September 20, 2006Publication date: March 20, 2008Inventors: Charles Crain, Philip Lane, John McClure, James Youngman
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Patent number: 6371000Abstract: An electronic vehicle disabler system and method uses a current supply capable of delivering an electrical current to a fleeing or moving vehicle that inhibits self-propelled movement of the vehicle. The electrical current is delivered by establishing a momentary forward current path between the vehicle and the current supply, at the same time that a return current path between the vehicle and current supply is established. The forward and reverse current paths may, e.g., include electrically conductive wires or electrically conductive streams of fluid or gas. The forward and reverse current paths are electrically coupleable to the fleeing vehicle through a variety of direct conductive linkages that are temporarily or permanently laid down on a roadway over which the fleeing vehicle passes, or that are coupled to the fleeing vehicle from a pursuing vehicle.Type: GrantFiled: July 11, 1994Date of Patent: April 16, 2002Assignee: JaycorInventors: Henry H. Hutmacher, John E. Will, James Youngman, Phillip D. Lane, Michael V. Bell