68results about How to "Sufficiently robust" patented technology

A novel and useful apparatus for and method of Gaussian Minimum Shift Keying (GMSK) single antenna interference cancellation (SAIC) for use in a digital receiver. The invention comprises an interference mitigation module that treats the problem of GMSK SAIC in a blind manner. The interference mitigation mechanism is operative to compensate for the co-channel interference added in the communications channel which is subject to multipath propagation and fading, receiver filter and any pre-channel estimation filtering. The interference mitigation module takes advantage of the spatial diversity making up multiple branches of the received signal. The branches comprise the in-phase and quadrature elements of the received signal, the sampling phases if over sampling is applied (i.e. T/m sampling) and/or multiple antennas. The invention utilizes the spatial diversity of these multiple representations of the received signal and combines (i.e. collapses) the information in the plurality of branches into a single branch that is input to the equalizer.

An optical fiber cable suitable for drop cable applications has a dual jacket, dual reinforcement layers, a round cross section, and a tight buffered construction. The optical fiber cable is a compact unitary coupled fiber assembly that has a small profile, and is light in weight, while still sufficiently robust for many indoor/outdoor drop cable installations. The small profile and round construction make the cable easy to connectorize.

The present invention involves porous polymer membranes, suitable for use in medical implants, having controlled pore sizes, pore densities and mechanical properties. Methods of manufacturing such porous membranes are described in which a continuous fiber of polymer is extruded through a reciprocating extrusion head and deposited onto a substrate in a predetermined pattern. When cured, the polymeric material forms a stable, porous membrane suitable for a variety of applications, including reducing emboli release during and after stent delivery, and providing a source for release of bioactive substances to a vessel or organ and surrounding tissue.

A control device (1) for controlling the position of a marine streamer comprising; an annular aerofoil (2), a mount (3) for mounting the annular aerofoil onto and around the streamer; and control means (4a, 4b) for controlling the tilt and/or rotation of the annular aerofoil (2) whereby to adjust the lateral position and/or depth of the streamer.

In a method and magnetic resonance apparatus to reduce distortions in magnetic resonance diffusion imaging, a magnetic resonance data acquisition system is operated to acquire magnetic resonance data in a first measurement with a first diffusion weighting, and to acquire magnetic resonance data in a second measurement with a second, different diffusion weighting. A non-linear, system-specific distortion-correcting function is determined on the basis of system-specific information that is specific to said magnetic resonance data acquisition system. Correction parameters are calculated to correct distortions in subsequently-acquired diffusion-weighted magnetic resonance images, based on the data acquired in the first and second measurements with the system-specific distortion-correcting function applied thereto. The subsequently-acquired diffusion-weighted magnetic resonance images are corrected using the correction parameters to at least reduce distortions therein.

Fibers in a fiber reinforced resin laminate are exposed by placing a gel in contact with the resin laminate, forcing the fibers of the resin laminate into the gel, and using the gel to displace the resin surrounding the fibers being forced into the gel. The gel is removed to expose the fibers.

A medical device is described that comprises a polymeric component and a microcapsule additive including a fluid that enhances direct visibility during magnetic resonance imaging of at least a predetermined portion of the polymeric component.

An anti-rotation clip for joining a fuel injector body to a fuel rail socket. A C-shaped base is formed to slide into an annular groove in the injector body. A pair of tangs extend from the base to straddle a rib on the injector body to prevent rotation between the clip and the injector. Opposed sidewalls extending from the base include windows for receiving a radial flange of the fuel rail socket to correctly position the fuel injector axially within the socket. Each window is divided by a locking bar for reception in a notch in the socket flange to prevent rotation between the clip and the socket. The radial positions of the injector rib and flange notch are selected such that the injector will be properly oriented with respect to the engine after installation therein.

There is provided an optical limiter device for protecting an object from incident light having a wavelength in the visible, infrared or ultraviolet spectrum. The device comprises a plurality of nanoparticles of a metallic material including free electrons that undergo collective oscillations when exposed to the incident light. The plurality of nanoparticles of the metallic material include a plurality of nanoparticles of a non-spherical particle geometry, which may include a geometry having a plurality of sharp protrusions on a spherical body. The metallic material may include gold, silver, aluminum, indium or copper. The device further comprises a structurally rigid transparent medium in which the plurality of nanoparticles of the metallic material are embedded; and a mechanical support mounting the transparent medium between the incident light and the object.

A hygienic glove having multiple removable layers. Each outer and successive layer has a tab means, whereby the outer and successive layers can be readily torn off or removed from the remainder of the glove, leaving the remaining layers, and finally the last layer, in place on the wearer's hand.

A high-sensitivity pressure conduction sensor is presented. The present invention includes a pair of locally resilient conductive layers and a locally resilient pressure conduction composite disposed between and contacting both conductive layers. Alternate embodiments include at least three locally resilient conductive layers and at least two locally resilient pressure conduction composites, each having a critical percolation threshold. Each composite is disposed between and contacting two conductive layers in a multi-layer fashion. Other embodiments include a locally resilient pressure conduction composite, a flexible substrate completely surrounding the composite so as to seal it therein, and a pair of electrical leads contacting the composite and terminating outside of the flexible substrate. Pressure conduction composites are composed of a plurality of conductive particles electrically isolated within a non-conductive matrix. Conductive particles are loaded so as to have a volume fraction approaching the critical percolation threshold of the material system and exhibit a conductance that greatly increases with pressure. Sensors may be arranged to form one or more arrays including planar and conformal configurations. The present invention has immediate application in keyboards, intrusion systems, control systems, submarines, ships, sonobuoys, doors, and switches.

A self-grooming tool for mammals consists of a quadrilateral pad which has a front face having a plurality of teeth extending therefrom, a rear face and opposed peripheral end and side walls, the opposed peripheral walls having complementary configurations. A recess in the rear face defines two planar areas, the pad being foldable about the recess between a flat position and a folded position. One each of the peripheral end and side walls have laterally projecting flanges, the underside of each flange being co-planar with the rear face of the pad and the flanges having a thickness which is less than about one-half the thickness of the pad. The other of each of the peripheral end and side walls have lengthwise extending undercuts formed therein, having the same shape and dimensions as the flanges, and communicating with the rear face of the pad.

Improved linearity performance for multi-mode power amplifiers. A power amplifier (PA) assembly can include a radio-frequency (RF) amplification path having a first stage and a second stage, with each stage including a transistor. The PA assembly can further include a biasing circuit having a first bias path between a supply node and the base of a corresponding transistor. The PA assembly can further include a linearizing circuit implemented as either or both of a second bias path and a coupling path relative to the first bias path. The second bias path can be configured to provide an additional base bias current to the base under a selected condition. The coupling path can be configured to improve linearity of the corresponding transistor operating in a first mode while allowing a ballast resistance to be sufficiently robust for the corresponding transistor operating in a second mode.

A mechanical optical switch provides an active switching mechanism and an active latching mechanism that are both actuated by piezoelectric elements. The switching mechanism includes a switching frame at which fiber ends are attached to be switched along an opposing array of fixed fiber ends. The active latching mechanism provides for a fast switching of the switching mechanism and a reliable holding of the switching positions. The elements of the switching mechanism and the latching mechanism are monolithically fabricated from a wafer. The piezoelectric elements are integrated by bonding. The switch is substantially free of gliding friction, which reduces switching forces and makes the switch highly reliable over an extended lifetime.

A lock mechanism operated by inner and outer lever handles provides a security classroom function and includes inner and outer lock mechanisms that are independently switchable between locked and unlocked states by inner and outer lock cylinders and keys. The inner handle always operates the lock mechanism to retract a latch bolt. The outer handle can only retract the latch bolt when both the inner and outer lock mechanisms are in the unlocked state. The outer key can retract the latch bolt when the inner lock mechanism is in the locked state, but cannot change the inner lock mechanism to the unlocked state or enable the outer handle, thereby ensuring positive control over the locked state of the outer handle from the inner side.