Abstract: A combined environmental and electromagnetic rotary seal. The invention is adapted for use between two mutually rotating components of an electromagnetic energy transmission system and provides simultaneous protection against contamination from the environment and unwanted electromagnetic leakage. In the illustrative embodiment, a first set of grooves is cut into the exterior of a first conductive cylindrical component whose interior contains a portion of a millimeter-wave beam waveguide energy transmission system, the grooves comprising the electromagnetic portion of the seal and a second set of grooves is cut into the interior of the conductive housing enclosing the first conductive cylindrical component.
Type:
Application
Filed:
June 8, 2010
Publication date:
October 21, 2010
Inventors:
David Crouch, Vincent Giancola, Kenneth W. Brown
Abstract: An assembly is provided that includes a tubular support core, a splice body configured to circumferentially surround the support core, a conductive shield sock comprising at least two overlapping layers and configured to circumferentially surround the splice body and a cold shrink jacket circumferentially surrounding the shield sock. The ends of the shield sock are located beneath the cold shrink jacket and the shield sock extends beyond both ends of the splice body. In some embodiments the shield sock includes folded portions that extend beyond the ends of the splice body.
Type:
Application
Filed:
February 2, 2010
Publication date:
August 5, 2010
Inventors:
William L. Taylor, Carl J. Wentzel, Kim P. Mulvey
Abstract: Apparatus and method for communicating high-speed signals between a primary printed circuit board and one or more secondary printed circuit boards. The high-speed signals are communicated between the primary printed circuit boards and the secondary printed circuit boards through multi-layer flexible conductors.
Type:
Grant
Filed:
October 21, 2005
Date of Patent:
October 13, 2009
Assignee:
NeoPhotonics Corporation
Inventors:
Chinh Q. Phan, Robert P. Lombaerde, Jignesh H. Shah
Abstract: An electromagnetic shield is provided for a room or for a building, including overlapping, conductively connected, and electrically conductive mesh or grid sections (1-4). The sections are grounded and folded in the overlapping area, where the folds of adjacent mesh or grid sections (1, 2) interlock like hooks in a cross section view.
Abstract: The present invention relates to a structure having a characteristic of conducting or absorbing electromagnetic waves, which comprises a substrate; and a fiber convex structure section which has a characteristic of conducting or absorbing electromagnetic waves and is formed at least partially on the substrate in such a form that at least a part of a fiber thereof is positioned outward from the surface of the substrate, in which the surfaces on each of which the fiber convex structure sections having a characteristic of conducting or absorbing electromagnetic waves is formed are superposed with each other in an opposed state.