| BAE SYSTEMS PLC Patent applications |
| Patent application number | Title | Published |
|---|
| 20120033306 | OPTICAL WAVEGUIDE AND DISPLAY DEVICE - In a slab waveguide which expands an image-bearing pupil into a visible image, reflective edge surfaces are used to redirect once-diffracted light back through the same grating structure. The number of separate grating structures thereby can be reduced to two or even one, compared to three in the prior art. | 02-09-2012 |
| 20120029731 | TOUCH-SCREEN VEHICLE REMOTE CONTROL - A vehicle remote control device includes a communications device for transferring vehicle movement control signals to a remote vehicle and a touch-screen interface configured to present a graphical representation of the remote vehicle and to allow a user to manipulate the graphical representation on the touch-screen. A conversion component converts the manipulation of the graphical representation into vehicle control signals for transfer by the communications device. | 02-02-2012 |
| 20120027401 | RELATING TO SIGNAL PROCESSING - A method of sampling a radio frequency signal comprises: receiving the radio frequency signal; modulating an optical signal with the radio frequency signal and an oscillator signal to generate a modulated signal; applying a filter to the modulated signal to generate an intermediate frequency signal, the filter having an intermediate pass band and an intermediate roll-off, the intermediate pass band and the intermediate roll-off in combination defining a intermediate frequency band having a first bandwidth; and sampling the intermediate frequency signal at a sampling frequency using a number of optically interleaved analogue-to-digital converters. The oscillator signal and the sampling frequency in combination are arranged such that the intermediate frequency band is defined between consecutive multiples of half of the sampling frequency. | 02-02-2012 |
| 20120001790 | SENSOR FOR DETERMINING VELOCITY - There is provided a sensor for use generally within the signal processing unit of a radar system. The sensor enables entity returns to be classified according to the velocity of the entity and thus allows returns to be processed according to classification. In particular the sensor comprises a first processing means that filters an input signal using a narrow-band notch filter to output a wideband output. In particular the sensor comprises a second processing means that filters an input signal using a wide-band notch filter to output a narrowband output. The invention provides for the comparison of the outputs to determine how the entity return is to be classified. | 01-05-2012 |
| 20120000349 | ASSIGNING WEAPONS TO THREATS - System and method of assigning at least one weapon of a plurality of weapons to at least one threat of a plurality of threats. Data relating to a plurality of weapons and threats data relating to a plurality of threats is received and processed to select at least one of a plurality of weapons assignment techniques. The selected weapons assignment technique is applied to the data to produce data describing assignment of at least one of the plurality of weapons to at least one of the plurality of threats. | 01-05-2012 |
| 20110305825 | ELECTROLESS METAL DEPOSITION FOR MICRON SCALE STRUCTURES - A method for electroless metal deposition on a surface in a finely dimensioned space (e.g. the bore of a hollow fibre) includes introducing into the space an electroless plating solution that has a nil or relatively low plating rate at normal room temperature, and thereafter heating the structure to an elevated temperature for a period sufficient to cause metal to plate on the wall surface. The introducing and heating may be repeated as necessary or desired to build up a specified thickness. | 12-15-2011 |
| 20110305590 | METHOD OF FABRICATING AN OBJECT - A method of fabricating an object is disclosed. A first layer of powder is deposited onto a substrate in a configuration defining a first cross-section of the object, and is consolidated by laser irradiation. To fabricate the object, further layers of powder are deposited onto the sintered first layer of powder to define further cross-sections of the object. The further layers are consolidated. A heat source is applied to the substrate to mitigate distortion of the substrate during fabrication of the object. | 12-15-2011 |
| 20110290937 | UNMANNED AERIAL VEHICLE - The present invention relates to an aircraft with a surveillance system characterised in that the direction of flight towards a target is achievable by shifting the centre of gravity of the vehicle towards the target. The centre of gravity is shifted towards the target by pointing the surveillance system at the target. | 12-01-2011 |
| 20110286674 | DETECTING POTENTIAL CHANGED OBJECTS IN IMAGES - A method of detecting potential changed objects in a first image and a second image, where the first and second images at least partially overlap. The method includes obtaining data describing first and second images and detecting sets of objects in images. A common coordinate system for the sets of objects is calculated. Objects in the sets are eliminated based on positions of the objects and objects outside an area of overlap of the images are eliminated. Data indicating the zero or more remaining objects in the sets is output to indicate potential changed objects. | 11-24-2011 |
| 20110282621 | REMOTE MONITORING - An apparatus and method are provided for monitoring, remotely, information relating to the motion of at least one moving object. The apparatus comprises: means for illuminating a retro-reflective data carrier mounted on each moving object, in particular when the moving object is located at a predetermined monitoring position; means for detecting, in optical signals returned by the retro-reflective data carrier, data representing a timing trigger and data representing an identifier for the at least one moving object; timer means responsive to a timing trigger detected at the predetermined monitoring position to trigger a timer associated with a detected identifier; and an output to provide timing information associated with the detected identifier, and hence relating to the at least one moving object at the predetermined monitoring position. The timing information may be used to derive relative ordering, relative timing or speeds of moving objects, for example. | 11-17-2011 |
| 20110258414 | APPARATUS AND METHOD FOR PROCESSING DATA STREAMS - A distributed architecture and method for maintaining the integrity of data streams within a multi-pipelined processing environment. The architecture comprising a communications network for carrying a plurality of data streams and a master processor adapted to process one or more messages in at least one of the data streams, the message processing including the creation of one or more data packets within the stream, each packet encapsulating at least a transaction summary of the data that has been processed. The architecture further comprising at least one slave processor per master processor adapted to emulate the transactional state of the master processor by regenerating the data stream as a result of processing the one or more data packets, whereupon in response to an error event on the master processor, the slave processor acts to avoid interrupting the data stream by generating one or more successive data packet(s). Hence, the architecture and method serve as a high availability, robust fault tolerant system, mitigating against the loss of data within data streams. | 10-20-2011 |
| 20110254855 | DISPLAY SYSTEM - A helmet-mounted display system or a head-mounted display system comprises an imaging means for presenting to a user a first image of a real field of view, means for presenting a second image superimposed on the first image, and control means for controlling the contrast between the first and second images so as to maintain the visibility to the user of the second image. | 10-20-2011 |
| 20110242670 | WAVEGUIDES - A waveguide | 10-06-2011 |
| 20110242661 | WAVEGUIDES - A projection display | 10-06-2011 |
| 20110241932 | SHIELD - A printed circuit board shield ( | 10-06-2011 |
| 20110241929 | HIGH FREQUENCY SURFACEWAVE RADAR - A process for reducing erroneous plots when detecting targets using High Frequency surfacewave radar (HFSWR) is provided. Detection of genuine targets is thereby enhanced. A first difference in range of an apparent target is determined, based on range data, associated with the apparent target. A second difference in range of the apparent target is determined, based on Doppler data, associated with the apparent target. The first and second range differences are compared to one another over time to assess a consistency therebetween. | 10-06-2011 |
| 20110240188 | AIRCRAFT TRANSPARENCY PROTECTION - The invention relates to an aircraft transparency protector. The protector includes a lobed blank cut from a sheet of resilient material, which is bendable, such that adjacent lobes abut, thereby to conform to the shape of the transparency. A method of protecting an aircraft transparency is also provided. | 10-06-2011 |
| 20110236620 | FIBRE REINFORCED COMPOSITE - A secondary ply structure suitable for incorporation into a continuous fibre reinforced composite structure comprising a matrix material and a plurality of fibre ply reinforcing structures, a continuous fibre reinforced composite material so formed, and a method for the fabrication of the same are described. The secondary ply comprises a carrier sheet for example in the form of a ply of primary fibres and carries a two dimensional planar array of secondary fibres extending outwardly of the plane of the sheet into a third dimension in generally aligned manner and disposed across at least a major part of the surface thereof in generally aligned manner to provide out of plane reinforcement in the consolidated structure. | 09-29-2011 |
| 20110235179 | WAVEGUIDES - An image-providing light source device | 09-29-2011 |
| 20110233418 | RADIATION DETECTOR - A radiation detector is disclosed. The detector includes a detector element on which electrodes are formed. First and second electrodes are provided at a first surface of the detector element, and are arranged such that, on application of an electric field between the first and second electrodes, a first detector region is formed adjacent the first surface of the detector element. A third electrode is provided on a second surface of the detector element, and is arranged such that, on application of an electric field between the first and third electrodes, a second detection region is formed between the first and second surfaces of the detector element. The first and second detection regions are differently sized for the detection of different types of radiation. Device for detecting radiation, and handheld devices containing such device, are also disclosed. | 09-29-2011 |
| 20110233405 | RADIATION DETECTOR - A radiation detector is disclosed. The detector includes a detector element; a number of electrodes arranged such that an electric field can be applied to the detector element; and a coating. The coating includes a first, physically resilient layer, and a second, substantially opaque layer, and is disposed at an external surface of the detector element | 09-29-2011 |
| 20110226675 | PARTICLE SEPARATORS - A particle separator stage in a particle separator includes an inflow passage of generally annular, axially facing form. In other embodiments, an asymmetric geometry is disclosed in which the major flow is taken from one side only. These features combine to allow compact, multi-stage separators to be produced. Also disclosed an arrangement in which the flow rate at a location within the separator stage is measured and used to control the flow rate there or elsewhere. | 09-22-2011 |
| 20110222177 | DEFORMABLE MIRROR STRUCTURE - A passive suspension for a bimorph or other self-deforming mirror includes elements, e.g., of herringbone shape, extending between an edge of the mirror substrate and a support structure. The elements have portions directed transversely (e.g. obliquely) relative to a direction of relative movement between the mirror edge and the support structure, so as to accommodate the movement by bending. | 09-15-2011 |
| 20110220253 | TYING MACHINE - There is disclosed a tying machine ( | 09-15-2011 |
| 20110215229 | IDENTIFICATION DEVICE - An identification device | 09-08-2011 |
| 20110211762 | IMAGE PROCESSING - A method of selecting a homography model from point correspondences of an associated image pair; a method of filtering point correspondences from a pair of associated images; a method of calculating a homography transformation; and a method of image differencing; including implementing one or more sampling constraints, e.g. partition zones and an exclusion zone, that provide a more even spread of point selection over the image, and/or that provide for selected points to be spread further apart, than would be the case if the one or more sampling constraints were not implemented. Repeated selections of combinations of points may be selected in a deterministic manner, and the deterministic manner may be tailored to an escape condition. | 09-01-2011 |
| 20110209542 | FLOW SENSORS - A flow sensor and fastener assembly, is disclosed which includes at least the following modules: a sensor housing and a fastener element; wherein: the sensor housing is adapted to receive a flow-based sensor, e.g. a MEMS airflow sensor; the sensor housing includes a connection for transmitting sensing signals from a fitted flow-based sensor; the fastener element includes a head and a shank, at least part of the shank being externally threaded; the fastener element includes a bore extending through the whole length of the fastener element; and the bore is shaped at the head end of the fastener element to provide a sensor housing receiving part. | 09-01-2011 |
| 20110208680 | ASSISTING WITH UPDATING A MODEL FOR DIAGNOSING FAILURES IN A SYSTEM - The method includes obtaining system model data representing a set of failures in a system including a plurality of components, a set of symptoms and relationships between at least some of the failures and symptoms. The system model data is used to create a Bayesian Network. Failure cases data is also obtained, where each failure case describes the presence/absence of at least one of the symptoms and the presence/absence of at least one of the failures. A learning operation on the Bayesian Network using the failure cases data is then performed and the contribution made by at least some of the failure cases to updating the parameters of the Bayesian Network during the learning operation is assessed. Information representing the assessed contribution of the at least some failure cases is displayed. | 08-25-2011 |
| 20110203937 | ADDITIVE MANUFACTURING PROCESSES - A method is disclosed which includes applying a surface treatment to a substrate to form a patterned area having at least some electrical conductivity; electroplating onto the patterned area with a tool having a first electrode and a source for in situ supply of electrolyte, by providing an anode current to the first electrode, causing the patterned area at least in the vicinity of the tool to function as a cathode, and passing electrolyte between the patterned area and the first electrode, thereby to deposit conductive material onto the patterned area. | 08-25-2011 |
| 20110203770 | EQUIPMENT CASE - An equipment case is provided. The case comprises a sealed housing unit configured to receive an item of equipment. Cooling means, associated with the housing unit, are provided for maintaining an operational thermal environment within the equipment case. | 08-25-2011 |
| 20110187395 | CORROSION SENSORS - A corrosion sensor includes an insulating substrate, a thin film of a first metallic material formed on the substrate; and an array of areas what includes a second metallic material provided at the surface of the thin film. A method for manufacturing such a sensor is also disclosed. An exemplary embodiment is disclosed in which the thin film is patterned to define a number of tracks, the resistance of which can be monitored in order to determine the degree to which the thin film has corroded. | 08-04-2011 |
| 20110174640 | MUNITION CONTAINER - There is disclosed a munition container that stores a munition in a sealed environment such that the seal need not be broken until the munition is ejected from the container into the breech of a gun. The benefits of this are that the munition is protected from the external environment for longer and that the loading operation is accelerated. To facilitate this, the container is provided with a lid & piston which forms part of the seal. The piston may, upon urging by e.g. a ram, slide within the container and outwards into the aligned breech. | 07-21-2011 |
| 20110174142 | MUNITION HANDLING APPARATUS - There is disclosed a munition handling apparatus where the conventional ram is replaced with a high pressure fluid actuation. For this the apparatus is provided with a container that incorporates a piston which slides along the container to urge the munition out as the fluid pressure is applied. | 07-21-2011 |
| 20110169951 | ESTIMATING STATES OF A PLURALITY OF TARGETS TRACKED BY A PLURALITY OF SENSORS - A method of estimating states of a plurality of targets tracked by a plurality of sensors. The method includes obtaining a plurality of data sets based on measurements taken by a plurality of sensors, each data set including information on states of a plurality of targets. The method then generates a plurality of target correlation data sets describing correlation of the targets within a first data set and at least one other data set. A Generalised Covariance Union (GCU) technique is used to merge at least some of the plurality of target correlation data sets to generate an estimate of the states of the plurality of targets. | 07-14-2011 |
| 20110168306 | CAST EXPLOSIVE COMPOSITION - The invention relates to a cast explosive composition comprising a polymer-bonded explosive and a defoaming agent, and to a process for reducing the number and/or total volume of voids in a cast explosive composition comprising the steps of: combining a polymer-bonded explosive and a defoaming agent; and casting the explosive composition. The defoaming agent may be used for reducing the number and/or total volume of voids in a cast explosive composition and the cast explosive composition may be used in an explosive product. | 07-14-2011 |
| 20110167788 | THRUST VECTORING APPARATUS FOR A JET ENGINE, CORRESPONDING JET ENGINE, THRUST VECTORING METHOD AND UPGRADING METHOD FOR A JET ENGINE - The thrust vectoring apparatus comprises: a housing defining a primary outlet for emitting the primary jet; Coanda surfaces extending from opposing regions of said housing, and radially spaced from the primary outlet such that a step is defined between each Coanda surface and the primary outlet; ducts leading from a fluid source to secondary outlets; and flow control means operable to control the mass flow through the secondary outlets. When the jet engine operates to exhaust a primary jet through the primary outlet, low pressure regions are formed in the vicinity of the steps. Each secondary outlet is located adjacent one of the Coanda surfaces so as to emit a secondary flow into a low pressure region. On activation of the secondary flow by the flow control means, the primary jet is entrained by the Coanda surface opposing the Coanda surface adjacent said the secondary outlet from which the secondary flow has been emitted. Method of vectoring the thrust or of upgrading existing jet engines with the thrust vectoring apparatus and jet engines comprising the thrust vectoring apparatus are disclosed | 07-14-2011 |
| 20110129220 | MULTI-FUNCTION ARRAY ANTENNA - An optical routing network provides function-specific routing, in the optical domain, of radio frequency (RF) signals between inputs to the network and function-specific outputs from the network. RF signals input to the network may comprise signals received by elements of a multi-function array antenna for routing to function-specific receiving equipment or signals from function-specific transmitting equipment for routing to selected elements of the antenna for transmission. The optical routing path through the optical routing network is chosen by selecting one or more predetermined optical carrier wavelengths in the optical routing network, each carrier wavelength being associated with a particular function of the antenna. The optical routing network comprises opto-electronic modulators for modulating the selected optical carrier or carriers with received radio frequency (RF) signals and wavelength division multiplexing (WDM) devices for separating and directing modulated carriers to respective optical outputs according to the selected carrier wavelengths. However, if routing in respect of only one function is required at any one time, a single carrier wavelength may be used and optical switches may be used in place of WDM devices to achieve the required optical routing on a time division basis, if preferred. | 06-02-2011 |
| 20110111266 | ELECTRICAL POWER SOURCES - An electrical power source including at least one hollow fibre incorporated in a material structure, wherein the at least one hollow fibre forms part of an electric circuit capable of storing or generating electrical power. In this way power sources may be provided as an integral part of a fibre composite structure or fabric. | 05-12-2011 |
| 20110107843 | ELECTRICAL CIRCUIT ASSEMBLIES AND STRUCTURAL COMPONENTS INCORPORATING SAME - A structural health monitoring arrangement includes a component formed of fibre reinforced composite material with a plurality of electrical conducting fibres intrinsic to the composite defining electrical paths that run through the composite. The paths act as sensing paths running through the material and a detector watches for changes in electrical property indicative of a structural event. The paths may be configured as an open or a closed node grid whose electrical continuity is monitored directly or indirectly. Alternatively they may be fibres having a piezoresistive property and the changes in resistance may be monitored. | 05-12-2011 |
| 20110100207 | FIELD GUN CARRIAGE - There is disclosed a field gun that may be converted between a firing condition and a travelling condition. In the firing condition, front legs and back legs rest on the ground and support the gun. In the travelling condition, the back legs are out of contact with the ground and the front legs are retracted towards the gun chassis. To facilitate conversion, a link joins a front leg to a back leg so that as the back leg is lifted off the ground, the front leg is retracted. | 05-05-2011 |
| 20110095939 | PROCESS AND SYSTEM FOR DETERMINING THE POSITION AND VELOCITY OF AN OBJECT - A process for determining the position and velocity of an object is disclosed. The process comprises: -generating a first burst of pulses at a first pulse repetition frequency and subsequently receiving a first set of signals characteristic of the range and velocity of the object; -generating a second burst of pulses at a second pulse repetition frequency and subsequently receiving a second set of signals characteristic of range and velocity of the object; -generating a first data set representative of range and corresponding velocity values from the first set of signals; -generating a second data set representative of range and corresponding velocity values from the second set of signals; -summing a magnitude of a signal strength from each of the first and second data sets at corresponding range and velocity values; and, -comparing the magnitude of the summed signal strengths to a threshold value. | 04-28-2011 |
| 20110095692 | CAMOUFLAGE PANEL - A camouflage panel arranged to be attachable to an outer area of a submarine is disclosed. The panel comprises a light emitter operable such that light is emitted from a surface of the panel. The intensity and colour of the emitted light being controllable in response to a control signal received from a sensor arranged to sense the intensity and colour of light in the region of the submarine. Apparatus comprising a number of such panels is also disclosed. | 04-28-2011 |
| 20110062281 | LAUNCH SYSTEM - The present disclosure relates to a launch system for air vehicles. More specifically, the present disclosure relates to launching unmanned air vehicles (UAVs) that are unable to be launched by hand. The present disclosure provides a system for launching a winged vehicle, including: a projectile launching device; and a device for converting projectile momentum into acceleration of a winged vehicle. | 03-17-2011 |
| 20110040482 | LIDARS - A Light Detection and Ranging (LIDAR) apparatus and method are disclosed having a rotatable light source enabled to emit a light ray, the light ray being emitted at a plurality of angular intervals; a reflection device, which can be parabolic in shape, and an analysis device for calculating a position at which one or more features are present based on the angle that the light ray was emitted and the time delay associated with the received reflected light, from a feature, wherein the analysis device takes into account the reflection of the light ray from the reflection device. In this manner, light rays may be reflected from heading in one direction to improve the resolution of the LIDAR in a second direction. Furthermore, where a parabolic reflector is used, positions of features can be calculated directly in a Cartesian coordinate system. Autonomous vehicles can use a LIDAR such as described herein to improve forward looking resolution in collision avoidance systems or terrain selection systems. | 02-17-2011 |
| 20110034141 | A PROCESS FOR MINIMISING JAMMER NOISE IN RECEIVER SYSTEMS - A process is disclosed for minimising jammer noise in receiver systems. The process comprises the use of a primary receiver ( | 02-10-2011 |
| 20110032618 | LAMINATION OF OPTICAL SUBSTRATES - A method is provided for laminating optical substrates and in particular for manufacturing a thin combiner for an optical display that preserves the flatness of the component parts and ensures an even separation of layers, in particular an optical substrate and a thin cover plate that is to be bonded to the substrate. In the method, spacer particles in a predetermined size range are included within a glue layer at a required density to ensure cover plate flatness and uniform separation during assembly. | 02-10-2011 |
| 20110029520 | DATA CURATION - A method of data curation and a data processing apparatus for performing the method are provided. The method comprises the steps of (i) identifying a first set of variables which represent predetermined characteristics of data stored in one or more of a number of data packages; (ii) identifying a second set of variables which represent different possible states of each said number of data packages; (iii) identifying a functional relationship between the first and second sets of variables so as to provide a functional representation based on said sets of variables; (iv) allocating different states to the data associated with each said number of data packages according to an iterative procedure, wherein the iterative procedure comprises iteratively calculating values of said variables and of the functional representation until the values satisfy predetermined convergence criteria, and the allocation of a state to one or more of the data packages is effected in dependence upon a comparison of the calculated values of said variables and of the functional representation; and (v) performing an action on the data associated with each said number of data packages corresponding to the allocation of states in step (iv). | 02-03-2011 |
| 20110026128 | WAVEGUIDES - A projection display ( | 02-03-2011 |
| 20100288884 | FIXING EXTERNAL LOADS TO AIRCRAFT - A fitting, and an aircraft incorporating such a fitting, comprises a band-like clasp which surrounds and is clamped to the aircraft wing, with a streamlined structure affixed for mounting an external load to the underside of an aircraft wing. | 11-18-2010 |
| 20100275684 | FLUID FLOW MONITORING - To provide an indication of whether airflow is separated, as opposed to other states of flow, over a surface, two or more adjacent sensors at a location on the surface each produce an analogue signal representative of airflow. The analogue signals are correlated with each other, and the degree of correlation indicates whether the airflow is in a separated state. The correlation may be carried out by comparing processed values of the analogue signals, and thresholding the comparison result. | 11-04-2010 |
| 20100262867 | ASSISTING FAILURE MODE AND EFFECTS ANALYSIS OF A SYSTEM COMPRISING A PLURALITY OF COMPONENTS - A method of assisting failure mode and effects analysis of a system having a plurality of components includes obtaining data associated with a component, or a group of components, of the system. The component or the group is associated with component type data or group type data, respectively, that includes data relating to at least one failure feature common to all components or groups, respectively, of that type. The component/group data and the component/group type data can then be stored and/or transferred for use in a failure mode and effects analysis of the system. | 10-14-2010 |
| 20100259620 | CCTV INCIDENT LOCATION SYSTEM - The present invention relates to a system for detecting incidents within an area covered by CCTV network. Specifically, the present invention relates to utilising detections of gunshots to autonomously direct CCTV cameras to cover an area in which a gunshot was detected. | 10-14-2010 |
| 20100253571 | ANTENNA CALIBRATION - The present invention relates to antenna calibration for active phased array antennas. Specifically, the present invention relates to a built in apparatus for autonomous antenna calibration | 10-07-2010 |
| 20100253570 | ANTENNA CALIBRATION - The present invention relates to antenna calibration for active phased array antennas. Specifically, the present invention relates to a built in apparatus for autonomous antenna calibration | 10-07-2010 |
| 20100252177 | ADHESIVE MICROSTRUCTURES - Improved fabricated adhesive microstructures and methods of fabricating adhesive microstructures incorporating deformable materials are provided. The fabricated adhesive microstructures exhibit significantly improved adhesion strengths at least at smooth surfaces such as glass, as compared to known fabricated adhesive microstructures. The adhesion strengths of fabricated microstructures of the invention for a range of smooth glass contact surfaces may be in the range of between about 125 kPa and 220 kPa in air at one atmosphere pressure and in the range of between about 25 kPa and 120 kPa in vacuum. Synthetic elastomers are used in the invention. A method of fabricating new adhesive microstructures having multiple levels of compliance with a surface has been proposed. Methods of fabricating new double-sided adhesive microstructures via moulding have further been proposed. | 10-07-2010 |
| 20100246004 | DISPLAY PROJECTORS - The present invention is directed to a display which presents an image along a line of sight of an observer, such that the image is overlaid on a real world scene has a first waveguide and an image source device to inject the image into the first waveguide. The first waveguide has a first grating to direct the image internally and to output the image from the first waveguide. A second waveguide has a coupling grating to receive the image from the first waveguide and to direct the image along the second waveguide. The second waveguide has an exit grating to diffract the received image out of the second waveguide towards the observer. The exit grating diffracts the image out of the second waveguide off axis to a normal axis of the second waveguide. | 09-30-2010 |
| 20100246003 | PROJECTION DISPLAYS - A projection display which includes first and second waveguide elements, wherein the first waveguide element has a two input regions for injecting image bearing light into the first waveguide element. In this manner, the total field of view of the image to be displayed at the second waveguide element is divided into two sub-images prior to injection of one sub-image into one input region and the other sub-image into the other input region of the first waveguide element. This results in a smaller first waveguide element, thereby reducing obscuration of an observers view of a forward scene over which to the image to be displayed is overlaid. | 09-30-2010 |
| 20100245968 | BIAS CONTROLLER - The present invention relates to a bias controller for a dual output electro-optic modulator and a method for controlling the bias of a dual output electro-optic modulator. The invention further comprises an optical commutator switch with a plurality of dual-output electro-optic modulators interconnected in a tiered arrangement, and control means for deriving measurements of optical power from each of the modulators. The optical commutator is further used for determining respective bias control signals to achieve and maintain operation of the modulators substantially at their quadrature bias points, and further for generating said respective bias control signals for applying them to the respective modulators. | 09-30-2010 |
| 20100245202 | ANTENNA FEED MODULE - A feed module is provided for an array antenna. The feed module comprises a multi-layer printed circuit board (PCB) feed structure for coupling signals between connections to transmitters or receivers and connection points for connecting to antenna elements of the array antenna. The multi-layer PCB feed structure comprises a body portion, incorporating coupling components, and a number of line sections for connecting to elements of the array antenna. The planar layers of the multi-layer PCB are arranged to be mounted substantially perpendicular to a planar array of antenna elements of the array antenna when the feed module is integrated therewith. | 09-30-2010 |
| 20100245158 | ANTENNA CALIBRATION - The present invention relates to antenna calibration for active phased array antennas. Specifically, the present invention relates to a built in apparatus for autonomous antenna calibration | 09-30-2010 |
| 20100244903 | TUNEABLE FILTER - A tuneable filter is provided in which a received signal in a first frequency range is translated to a signal of a higher frequency range by a switchable frequency oscillator signal, filtered in a narrow band filter and then down-converted, possibly to the first frequency range. The switchable frequency oscillator signals are generated by a synthesizer which operates by mixing oscillator signals of different frequencies, selected by fast-switching microwave switches, in order to generate the required range of oscillator signal frequencies. | 09-30-2010 |
| 20100242654 | Control Stick Apparatus - A stick control apparatus includes a member, a fixed location and a pivot point arranged so the member can pivot with respect to the fixed location to follow a deflection axis. A C-shaped spring engages indentation arrangements and provides a bias force to return the member to a predefined position on the deflection axis from any point along the deflection axis. | 09-30-2010 |
| 20100238766 | SONAR BAFFLES AND BACKINGS - Improved sonar baffles and backings are disclosed. The sonar baffles and backings include a porous polymer. The baffles and backings can be produced by partial selective sintering of a polyamide powder. Baffles and backings in accordance with exemplary embodiments exhibit advantageous acoustic properties, and can be manufactured to complex geometric specifications without difficulty. | 09-23-2010 |
| 20100237966 | MICROWAVE CIRCUIT ASSEMBLY - A microwave circuit assembly includes a Liquid Crystalline Polymer (LCP) layer that supports at least one microwave circuit component. First and second ground plane layers form the outer surfaces of the assembly and these are spaced apart at least partially by a gas, a mixture of gases, or a vacuum, from the LCP supporting layer and the at least one microwave circuit. | 09-23-2010 |
| 20100235843 | IMPROVEMENTS RELATING TO DISTRIBUTED COMPUTING - There is provided a computer-implemented method of allocating a task to a set of distributed computing resources ( | 09-16-2010 |
| 20100235561 | DATA DIODE - A data diode comprises a USB input port coupled to a first USB to RS422 converter, which is coupled to a first serial port. A second serial port is coupled to a second USB to RS422 converter, which is coupled to a USB output port. The TX-pin of the first serial port is connected to the RX-pin of the second serial port and the TX+ pin of the first serial port is connected to the RX+ pin of the second serial port. The TX ports of the second serial port are not connected to the RX ports of the first serial port, thereby preventing reverse data flow. | 09-16-2010 |
| 20100232745 | IMPROVEMENTS RELATING TO WAVEGUIDES - A waveguide comprising photonic crystal fibre terminated by a re-imaging device. The re-imaging device may, for example, be a length of multimode fibre. Connectors for such waveguides are also disclosed. A method of attaching a connector to a photonic crystal fibre is also disclosed. The method comprises terminating the photonic crystal fibre by splicing multimode fibre onto an end of the photonic crystal fibre to form a terminated photonic crystal fibre end, locating a ferrule on the terminated photonic crystal fibre such that there is a predetermined length of multimode fibre between the splice and the output end of the ferrule, and locating the ferrule within a connector body. | 09-16-2010 |
| 20100230268 | HIGH VOLTAGE SWITCH - A high voltage switch is provided, comprising a pair of electrodes housed within a high pressure gas vessel and separated by a nominal distance D. At least one of the electrodes is provided with raised surface features each having a radius of curvature that is significantly smaller than the electrode separation D. Preferably one of the electrodes is flat-faced. Preferred gas pressures within the pressure vessel are in the range 300 psi to 1200 psi. When used to switch voltages of several hundred kilovolts, an operational life for the electrodes of between 400 and 1000 hours has been achieved. | 09-16-2010 |
| 20100228583 | ENERGY MODELLING - There is provided a system for use in physically reconfiguring a supply chain. The system includes a memory for storing energy-related components within a supply chain, and a processor for evaluation of energy consumption within the supply chain in accordance with a current scenario and at least one alternative scenario in which at least one energy-related component or physical parameter within the supply chain is changed. A user interface displays the energy consumption of the current scenario and the at least one alternative scenario. | 09-09-2010 |
| 20100225526 | TRACKING WAVEFORM SELECTION FOR MULTI-FUNCTION RADAR - The present invention relates to tracking waveforms in radar which minimizes the dwell time and energy in a tracking waveform whilst maintaining a specified track positional accuracy and consequently velocity accuracy. The present invention provides a method and apparatus for selecting a tracking waveform in a radar apparatus comprising determining a target range rate; determining a signal strength; determining the radiated frequency of the subsequent transmitted tracking waveform; and modifying the energy and pulse repetition frequency used on subsequent tracking waveforms on the basis of the determined target range rate, signal strength and next transmitted tracking waveform frequency. | 09-09-2010 |
| 20100220003 | ANTENNA CALIBRATION - The present invention relates to antenna calibration for active phased array antennas. Specifically, the present invention relates to a built in apparatus for autonomous antenna calibration | 09-02-2010 |
| 20100207299 | METHODS OF FABRICATING STRUCTURAL ELEMENTS - A method of fabricating structural elements on the surface of a component is provided. The structural elements are configured to modify flow of a fluid passing over the surface. Conveniently, the fabrication is performed using a Direct Write technique. A three dimensional element is formed by depositing material on the surface, and subsequently curing the deposited material. | 08-19-2010 |
| 20100182191 | RECEIVER EQUALISATION - The present invention relates to a method of receiver equalisation. More specifically, the present invention relates to a method of receiver equalisation in multi-function radar apparatus. The present invention provides a method of receiver equalisation comprising passing a known RF pulse through a receiver array; comparing an output of the receiver array with a reference output of that array; and calculating a correction waveform to be applied to the output of the array antenna at all times required during normal radar operation. | 07-22-2010 |
| 20100179715 | CONTROLLING AN AUTONOMOUS VEHICLE SYSTEM - A system is adapted to transfer control of movement of a vehicle to and/or from an autonomous vehicle system. The control system includes an activation sub-system that has an input device configured to receive an activation signal indicating that an autonomous vehicle system is to be activated. A test device checks, upon receipt of the activation signal by the input device, if the autonomous vehicle system is in a ready state to be activated. If so, an activation device can activate the autonomous vehicle system. The system may also include at least one deactivation switch that is configured, upon being switched on, to deactivate an autonomous vehicle system from controlling movement of the vehicle. | 07-15-2010 |
| 20100172001 | DISPLAYING AN IMAGE - A target image | 07-08-2010 |
| 20100171673 | DEPLOYABLE LENS ANTENNA - A deployable lens is provided for an antenna. The lens comprises an array of metallic lens elements formed on a plurality of planar sections of a dielectric substrate, each lens element comprising a first end-fire element directed towards a feed side of the lens, a second end-fire element directed towards a non-feed side of the lens and a section of transmission line for coupling signals between the first and second end-fire elements. The section of transmission line, preferably in the form of a slot-line transmission line, is integrated with the end-fire elements and is of a length determined according to the position of the lens element within the aperture of the lens as deployed. An antenna is also provided comprising a deployable lens according to the present invention. | 07-08-2010 |
| 20100171573 | LOW VIBRATION DIELECTRIC RESONANT OSCILLATORS - The present invention relates to low vibration probes. Specifically, the present invention relates to low vibration probes in dielectric resonant oscillators. Accordingly, the present invention provides a dielectric resonant oscillator apparatus comprising a casing; a lid; a puck mounted on a support and one or more probes wherein the support comprises a hollow ceramic tube. | 07-08-2010 |
| 20100171572 | LOW VIBRATION DIELECTRIC RESONANT OSCILLATORS - The present invention relates to low vibration probes. Specifically, the present invention relates to low vibration probes in dielectric resonant oscillators. Accordingly, the present invention provides a dielectric resonant oscillator apparatus comprising a casing; a lid; a puck mounted on a support and one or more probes wherein the support comprises a hollow ceramic tube. | 07-08-2010 |
| 20100171571 | LOW VIBRATION DIELECTRIC RESONANT OSCILLATORS - The present invention relates to low vibration probes. Specifically, the present invention relates to low vibration probes in dielectric resonant oscillators. | 07-08-2010 |
| 20100171297 | CHASSIS - A chassis for a high mobility vehicle is disclosed. The chassis comprises a tubular transmission member extending from a foremost axle to a rearmost axle, thereby defining a transmission axis; a first structural member arranged generally parallel to the transmission axis, and attached to the transmission member; and a deflection means arranged such that, if the vehicle, in use, encounters an obstacle having a height greater than the clearance of the deflection means above the ground, the deflection means are operable in combination with the first structural member and the transmission member to cause the vehicle to overcome the object. | 07-08-2010 |
| 20100170739 | CHASSIS - There is disclosed a chassis for a high mobility vehicle, the vehicle defining a longitudinal axis, the chassis comprising a tubular transmission member generally parallel to the longitudinal axis and extending from a foremost axle to a rearmost axle and thus defining a transmission axis at least one structural member the tubular transmission member being connected to the at least one structural member wherein the chassis comprises at least one foremost attachment means whereby recovery means may attach to the chassis, the attachment means being arranged with one of the structural members such that recovery loads are transmitted through the said one of the structural members. | 07-08-2010 |
| 20100170617 | MANUFACTURE OF SONAR PROJECTORS - A method of manufacturing a sonar projector is disclosed. The method comprises the steps of: bonding a flat piezo-ceramic plate to a flexible conducting sheet; dicing the plate to form an assembly comprising a matrix of piezo-ceramic pegs bonded to the flexible conducting sheet, the pegs being separated by kerfs; bending the assembly to a predetermined curvature, thereby expanding the kerfs; filling the expanded kerfs with a filler material; and applying conductive material to the exposed surfaces of the pegs, such that the conductive material and the flexible conducting sheet in combination form electrodes operable to apply a voltage to the piezo-ceramic pegs. Methods of manufacturing a curved piezo-ceramic structure are also disclosed. | 07-08-2010 |
| 20100170389 | ARMOURED VEHICLE - An armoured vehicle is provided having an armoured driver's cab ( | 07-08-2010 |
| 20100170388 | ARMOURED VEHICLE - An armored vehicle is provided having an armored driver's cab ( | 07-08-2010 |
| 20100170333 | FLUID FLOW MONITORING - In order to discriminate between laminar flow and turbulent flow states, and to provide an indication, e.g. to a pilot of an aircraft of air flow over an aircraft wing, a sensor mounted on the wing provides an analogue signal of airflow, and an intermittency value of the analogue signal is derived in analogue circuitry including an AC coupling of the signal to an integrator for integrating the signal for a preset time. The integrated value is compared with a threshold value to indicate whether the intermittency represents quiet laminar flow or noisy turbulent flow. | 07-08-2010 |
| 20100165432 | IMPROVEMENTS RELATNG TO OPTICAL VECTOR MATRIX MULTIPLIERS - Improved optical vector matrix multipliers are disclosed. The multipliers comprise: a plurality of light sources, each operable to radiate light of intensity u | 07-01-2010 |
| 20100158152 | METHOD OF PREVENTING FALSE DETECTIONS IN SENSORS - Described herein is a method of preventing false detections in sensors pulse-Doppler radar mounted on a moving platform. The method comprises filtering each received burst using Doppler filtering to split each received burst into at least a fast channel and one or more slow channels. The slow channel outputs are then used to derive compensation values for the fast channel. In particular, a zero Doppler slow channel is used to derive predicted surface clutter residue information, and a near zero Doppler slow channel is used to derive additional false alarm control attenuation information. Both the predicted surface clutter residue and the false alarm control attenuation information is used to apply compensation to the fast channel and a comparison is done to select the lower of the two values to generate an output signal. | 06-24-2010 |
| 20100157438 | FLUIDIC LENS - A fluidic lens includes a cavity | 06-24-2010 |
| 20100154624 | CHARGE MOUNT - The following invention relates to a mount for holding a charge in a breech. The mount attaches, or is integral to, a charge and is provided with a dilation means which rests within a breech of a gun to prevent the charge from sliding back out of the breech when the gun is held at a high angle. The dilation means is fabricated from a material which, when the gun is fired, combusts to leave negligible debris in the breech. | 06-24-2010 |
| 20100139860 | BONDING TOOL AND METHOD - A bonding tool and method A bonding tool and method for bonding together layers of a MEMS transducer device, including at least one layer of a piezoelectric material, and an intermediate reinforcing layer of titanium, or other metal, comprising: positioning the layers above one another and spaced apart by means of spacing members, heating said layers to a bonding temperature, and retracting the spacing members so as to bring the layers together under pressure to effect a bond between adjacent surfaces of the layers, wherein a press head is employed with a compliant caul for evenly distributing the press force; and permitting said layers to cool to an operating temperature in which said piezoelectric layer is under compressive strain and the titanium layer is under tensile strain. | 06-10-2010 |
| 20100138247 | System and method for managing enterprise capabilities - Systems and methods are disclosed for managing enterprise capabilities. The system comprises a database that stores a plurality of capability templates in an asset library. The system also includes a user interface configured to communicate with the database and receive capability data for a user project, and a processor configured to analyze the capability data based on at least one of the capability templates and generate a capability profile of the user project based on the analysis. A display is included in the system to output the capability profile. | 06-03-2010 |
| 20100126140 | MILLIMETRE-SCALE ENGINE - A millimetre-scale pulse jet engine comprises an engine body that defines a combustion chamber, a fuel, an air intake, and an exhaust. The fuel inlet is arranged to inject fuel directly into the combustion chamber. The air intake and the exhaust are in fluid communication with the combustion chamber, and the combustion chamber is configured such that air from the air intake and fuel from the fuel inlet cyclically combust in the combustion chamber to produce exhaust gases. | 05-27-2010 |
| 20100109867 | IMPROVEMENTS RELATING TO EVENT DETECTION - A method of event detection for detecting the occurrence of an event in a crowd is disclosed. The method includes the steps of providing video footage of the crowd, which video footage includes a series of image frames; calculating a series of values representative of the crowd dynamics, which series of values is calculated in dependence on the series of image frames; analysing the series of values to identify any discrepancies occurring in the series of values; and, in response to identifying a discrepancy, providing an output signal to alert an operator that an event has been detected. In preferred embodiments, the series of values are related to the complexity of the crowd dynamics. Apparatus suitable for carrying out such a method is also disclosed. | 05-06-2010 |
| 20100079842 | ELECTRO-OPTIC WINDOWS - An electro-optic window is made of a material substantially transparent to infra-red radiation and is treated to have reduced RF transmission characteristics by the provision of carbon nanotubes within the window or on at least one, surface thereof. | 04-01-2010 |
| 20100067095 | DISPLAY APPARATUS - A display apparatus ( | 03-18-2010 |
| 20100042242 | SKIN DESIGN PROCESS - A method of designing a virtual model for the manufacture of a blended body structure having two or more constituent elements, the method comprising the step of defining a parameterised, theoretical procedural skin from which two or more datum skins are generated, each datum skin defining a production outline of an airframe structure constituent element. The use of a procedural model with embedded parameterisation and associativity to derive the datum skins reduces the time taken to produce the datum skins and enables feature modifications to be incorporated into models quickly and consistently. | 02-18-2010 |
| 20100039309 | RELATING TO SCANNERS - The invention provides a security scanner that produces a radar profile of a clothed person or another object such as a bag carried by a person at a distance and does not require close proximity of the person or object to the scanner itself. The scanner includes a millimetre wave antenna system optimised for short-range active imaging and arranged to provide rapid high-resolution images of an object or person of interest and processing means for resolving the images so as to detect the presence of predetermined objects. The processing means preferably includes means for comparing contrasts in reflectivity in the scanned images with predetermined expected values from skin and light clothing. The processing means may also include means for detecting predetermined behavioural or physical traits such as the effect on gait on carried weighty objects or stiff structures strapped to the person from the images of a scanned object or person. The scanner may be incorporated within a turnstile access arrangement. | 02-18-2010 |
| 20090310820 | IMPROVEMENTS RELATING TO TARGET TRACKING - A method and system are disclosed for tracking a target imaged in video footage. The target may, for example, be a person moving through a crowd The method comprises the steps of: identifying a target in a first frame; generating a population of sub-templates by sampling from a template area defined around the target position; and searching for instances of the sub-templates in a second frame so as to locate the target in the second frame. Sub-templates whose instances are not consistent with the new target position are removed from the population and replaced by newly sampled sub-templates. The method can then be repeated so as to find the target in further frames. It can be implemented in a system comprising video imaging means, such as a CCTV camera, and processing means operable to carry out the method. | 12-17-2009 |
| 20090309811 | IMAGE DISPLAY SYSTEMS - In a head-mounted display system a viewed scene is optically compressed before being incident on a detector so that the peripheral regions of the image, which will appear in the viewing person's peripheral vision, are compressed more than the central region. The image is relayed to a display where an inverse optical expansion is applied, so that a wide field of view with high resolution at the centre is obtained from a relatively small display. | 12-17-2009 |
| 20090299783 | Method and system for defense capability in trading in a complex environment - A system for interfacing with an information management tool. The system includes a memory for storing information regarding a plurality of programs, each program having at least one capability component. A processor is configured to generate a portfolio of projected capabilities by aggregating the capability components from the plurality of programs, and to create a visualization of each of the projected capabilities at discrete points in time for: analyzing an impact of each projected capability on each of the remaining projected capabilities to identify projected capability implications, and analyzing effects of reallocating resources among the programs to determine changes in the projected capability implications. The system also includes a user interface for displaying projected capability implications due to the effect of reallocating resources. | 12-03-2009 |
| 20090295665 | Electromagnetic Band-Gap Structure - An electromagnetic band gap structure is provided including a ground plane and a periodic planar arrangement of surface elements mounted parallel to and at a predetermined distance from the ground plane. Each of the surface elements is supported in the planar arrangement by at least one conducting support element extending from an edge of the surface element to the ground plane, avoiding back-to-back parallel support elements. This arrangement allows for the surface elements and their respective support elements to be folded from flat metal templates to greatly simplify manufacture. An antenna is also provided in which an antenna element is mounted in such a way as to use the electromagnetic band-gap structure as a ground plane. This allows for a low-profile antenna to be made as the antenna element may be mounted close to the plane of surface elements in the structure. | 12-03-2009 |
| 20090231183 | TARGET TRACKING - A method of tracking a target is applied to a decentralised network ( | 09-17-2009 |
| 20090230499 | Sensor device - A sensor device for sensing air flow speed at the exterior of an aircraft, comprising a substrate having an upper side on which is mounted a diaphragm over an aperture or recess in the substrate, the diaphragm being thermally and electrically insulative, and mounting on its upper surface a heating element comprising a layer of resistive material, and wherein electrical connections to the heating element are buried in the diaphragm and/or the substrate, and provide electrical terminals at the lower side of the substrate. The heating element is exposed to the environment, but the remaining electrical parts of the device are not exposed. | 09-17-2009 |
| 20090206903 | RADIO FREQUENCY AND MICROWAVE SIGNALS - A device for generating high powered Radio Frequency (RF) or microwave signals comprising a fast rise-time video pulse generator, a modulator to modify the generated UWB pulses by gyromagnetic action to transfer a portion of the UWB pulse energy from lower frequencies to frequencies in the RF or microwave range thereby producing a resultant RF or microwave waveform that can be radiated. | 08-20-2009 |
| 20090194906 | Process of draping a non-crimp fabric over a forming tool - A method of producing a non-crimp fabric and a non-crimp fabric comprising a layup of fabric plies stitched together by a thread, at least part of which is fusible, is provided. The method can include heating the stitched plies to soften or melt the fusible thread. The use of fusible thread can act as an in situ binder within the non-crimp fabric and tension created by the unfused stitching may create channels for matrix resin infusion during manufacture. | 08-06-2009 |
| 20090190222 | Projection Display - A projection display is provided including a first plate-like waveguide ( | 07-30-2009 |
| 20090176426 | Manufacture and assembly of structures - The invention relates to a method of assembling structures and a component for use in such assemblies. The component is an electrically insulant, compressible impermeable cloth. It is formed by impregnating an electrically insulant woven fibre with a sealant, and curing to form the cloth. Structures, such as airframe structures, may be assembled by positioning the cloth between a substructure and an outer skin on at least part of a sub-structure, and then assembling the outer skin to the sub-structure with the cloth located between the substructure and the outer skin. This provides a greater impermeability and insulation across the structural joint. During assemble the cloth may also be compressed, allowing skin panels to be fixed to the substructure within close tolerances, and allowing steps between adjacent panels to be substantially reduced. | 07-09-2009 |
| 20090171719 | Interactive system and method for displaying support and support-related processes - An interactive system for displaying support and support-related processes includes a memory arrangement, a processor, a display and an interactive user interface. The memory arrangement is configured to store support and support-related processes across multiple entities for a lifecycle of a system and/or project. The processor is configured to generate relationships between the support and support-related processes. The system also includes a display and an interactive graphical user interface displayable on the display, wherein the interactive graphical user interface illustrates the support and support-related processes across the lifecycle of the system and/or project in a hierarchical structure. | 07-02-2009 |
| 20090141658 | Network processing - A method and means for processing information across a network is provided, the network comprising a plurality of nodes. In one embodiment, the invention includes algorithm means for addressing the problem of efficient information distribution between nodes in the network. This invention addresses the problem by generating probabilistic models at the nodes in the network and by selectively distributing information between the nodes based on these models and by using a predetermined metric function in such a way as to reduce information differences between the nodes. | 06-04-2009 |
| 20090125274 | SENSOR CONTROL - A system/method of controlling a sensor to sense one target from a plurality of targets includes predicting states of the targets. A set of probability distributions is generated. Each probability distribution in the set represents a setting or settings of at least one control parameter of the sensor. An expected information gain value for each said control parameter in the set is calculated. The information gain value represents an expected quality of a measurement of one of the targets taken by the sensor if controlled according to the control parameter, based on the predicted state of the target. Updating the set of probability distributions takes place to identify the sensor control parameters that maximise the expected information gain value. The sensor is then controlled in accordance with the maximising control parameters. | 05-14-2009 |
| 20090116734 | IMAGE CLASSIFICATION - An apparatus and method are provided for classifying elements in an image, in particular elements of a hyperspectral image, where an element is defined by a vector of feature values. The apparatus includes a classifier arrangement comprising a number of classifiers each operable, in respect of an element to be classified, to receive a different predetermined subset of the feature values from the element feature vector and wherein, in operation, each classifier is trained in respect of a predetermined set of classes using training data representative of elements in each class; and a combining arrangement operable to combine outputs from the classifiers to determine which of the predetermined classes to associate with an element to be classified, wherein each of the different predetermined subsets of feature values comprise a different cyclic selection of the feature values such that, in operation, adjacent feature values in an element feature vector are input to different ones of the classifiers and all feature values are input to at least one classifier. | 05-07-2009 |
| 20090081434 | THIN FILM GETTER DEVICES - Improved thin film getter devices ( | 03-26-2009 |
| 20090070279 | ESTIMATING THE EFFICACY OF A MATHEMATICAL MODEL OF SYSTEM BEHAVIOUR - Estimating the overall efficacy of a mathematical model of system behaviour involves providing a template representing factors that affect the overall efficacy of the mathematical model. A Bayesian Belief Network (BBN) having nodes based on the factors of the template is created and the BBN is used to obtain an estimate of the overall efficacy of the mathematical model of system behaviour. | 03-12-2009 |
| 20090050812 | Detection of Ionising Radiation - A detector for detecting ionising radiation comprises a scintillator | 02-26-2009 |
| 20090050734 | FLOW CONTROL ACTUATORS - A flow control actuator | 02-26-2009 |
| 20090033443 | Transmission line - A circuit board is provided, and a method for manufacturing the same, suitable for use in high frequency circuits, and comprising a planar pattern of transmission line conductors for linking components formed on or within the circuit board, the transmission line conductors being formed within a corresponding pattern of trenches arranged so that the conductors lie beneath a finished surface of the circuit board which is polished flat to permit one or more cover boards to be bonded thereto. | 02-05-2009 |
| 20090012931 | DATA INDEXING AND COMPRESSION - A method of indexing multidimensional data obtains ( | 01-08-2009 |
| 20090007688 | Damage Sensors - A damage sensor comprises a probe track, a sense track, and a signal generator operable to input a probe signal to the probe track. The probe track and the sense track are electromagnetically coupled by a structure on which they are provided, such that the probe signal induces, in dependence on the degree of electromagnetic coupling between the probe track and the sense track, a sensed signal in the sense track. The magnitude, phase and frequency of the sensed signal can be analysed in order to determine whether and where damage has occurred to the structure. | 01-08-2009 |
| 20080310426 | Networks - A method for estimating a system state, for example an aircraft trajectory, in a decentralised network having a plurality of nodes, each node having means for receiving and sending information and means for processing information, and each node being connected to neighbouring nodes of the network, the method comprising, at each node:
| 12-18-2008 |
| 20080292888 | Microfabrication - A method of forming a surface of micrometer dimensions conforming to a desired contour for a MEMS device, the method comprising providing a crystalline silicon substrate with a recess in an upper surface, providing a thinner layer of crystalline silicon over the upper surface of the substrate, fusion bonding the layer to the substrate under vacuum conditions, and applying heat to the layer and applying atmospheric pressure on the layer, such as to plastically deform the diaphragm within the recess to the desired contour. The substrate may form the fixed electrode of an electrostatic MEMS actuator, operating on the zip principle. | 11-27-2008 |
| 20080285137 | Projection Display - A projection display is provided including a rod-like waveguide ( | 11-20-2008 |
| 20080284568 | Transponder - A transporter is provided for use in particular with microwave or millimetric wavelength electromagnetic radiation, and includes a retro-reflecting arrangement and a modulating arrangement, in which the modulating arrangement is operable, by a current-induced field, to apply a predetermined type of pattern of modulation to incident microwave or millimetric wavelength electromagnetic radiation passing therethrough, before and/or after the incident radiation is reflected by the retro-reflecting arrangement. When used in combination with an interrofator unit, a particular type or pattern of modulation applied by the transponder may be detected in order to extract information represented in the modulation. | 11-20-2008 |
| 20080250915 | Weapon System - A weapon system comprising a barrel for accommodating a projectile in a breech end portion, a muzzle end portion and a breech. The weapon system further comprises means for purging the barrel comprising a coanda slot, a coanda profile provided downstream of the coanda slot, and a source of pressurised gas, a duct which connects the source of pressurised gas to the coanda slot so that pressurised gas can be selectively supplied to the coanda slot and along the coanda profile, thereby entraining air in the barrel and exhausting debris and/or fumes through the muzzle end portion after firing of a projectile, and a valve for controlling flow of gas through the duct. | 10-16-2008 |
| 20080222698 | Secure Computer Communication - A method of improving the security of computer communications over a connecting network comprising the steps, carried out before a data packet enters the connecting network from a user domain, of tagging the data packet from a user domain with a security level marking and appending the tagged data packet with a string formed from a check-sum made over the data packet and security level marking tag to form a datagram. The integrity of the data is protected and the method can be used to prevent the mis-routing of data packets to user domains of lower security classification. | 09-11-2008 |
