Assignee: Qinetiq Limited

Location: London, GB
No. of patents: 165

Number	Title	Issue Date
8165433	Optical routing device comprising hollow waveguides and MEMS reflective elements An optical routing device is described that comprises a semiconductor substrate (52) having at least one optical input (4), a plurality of optical outputs (6,8) and an array of MEMS moveable reflective elements (58;102). The array of move...	04/24/2012
8159114	Transducer A multistage flextensional transducer includes at least one inner elongate driver member within and mechanically coupled to an inner shell that is nested within an outer shell; the inner shell comprising a pair of contact portions abutting the driver member and a pa...	04/17/2012
8145011	Correlation apparatus This invention relates to a pattern recognition correlator in which a serial input data signal is converted into a parallel data signal for correlation with one or more reference data signals. The invention relates to use of a demultiplexer in such a correlation app...	03/27/2012
8137979	Preconcentrator device Improved preconcentrators, particularly MEMs scale preconcentrators which possess a coating comprising polymers of intrinsic microporosity (PIMs). There is further provided devices comprising the preconcentrator, and methods of preparation and use. There is particul...	03/20/2012
8129738	Optoelectronic device with periodic grating microstructure This invention relates to optoelectronic devices of improved efficiency. In particular it relates to light emitting diodes, photodiodes and photovoltaics. By careful design of periodic microstructures, e.g. gratings, associated with such devices more efficient light...	03/06/2012
D655051	Identification device	02/28/2012
8111581	Monitoring system for a ship'S radiated noise A ship's radiated noise monitoring system includes a plurality of arrays of spaced vibration-responsive detectors, the arrays being adapted for location adjacent to the ship's hull in the region of possible noise sources; summing amplifiers for receiving the detecto...	02/07/2012
8100645	Axial flow impeller A low noise axial flow impeller has a multi cellular form of construction comprising a multiplicity of individual axial flow channels disposed in a circumferential and radial array with respect to the axis of rotation. This increases the “blade passing frequency�...	01/24/2012
8089392	Radar coordinate registration Integration of ionospheric models in over the horizon radars (OTHR) is achieved with very little or substantially no change to existing coordinate registration systems or software by specifying a virtual transponder at a target location and generating a signal which...	01/03/2012
8078663	Optical correlation apparatus and method This invention relates to a pattern recognition correlator and method for correlating input data with one or more reference data sets. The input data, which may be for instance digital amplitude modulated optical data, is used to modulate an optical signal to form a...	12/13/2011
8073268	Method and apparatus for coded aperture imaging Methods for coded aperture imaging, and processing the data from coded aperture imaging are taught. Several snapshots of an image are acquired, each using a different coded aperture array. The several snapshots are combined together with appropriate weightings to fo...	12/06/2011
8068680	Processing methods for coded aperture imaging The present invention relates to processing of coded aperture images. Multiple frames of data acquired by the coded aperture imaging system, each with a different coded aperture array, are processed to form an image. The processing incorporates the constraints that ...	11/29/2011
8068049	Passive detection apparatus A passive detection device is disclosed comprising a plurality of antennas, receivers, and a digital beamformer, wherein the antennas and receivers are adapted to receive radiation of millimeter wavelengths from a near field region, to process and digitize it. The b...	11/29/2011
8035085	Coded aperture imaging system This invention relates to a coded aperture imaging system wherein a detector array is arranged to receive radiation from a scene via a coded aperture mask. The coded aperture mask provides a plurality of uncorrelated coded aperture arrays at different positions on t...	10/11/2011
8027552	Monolithic optical transmitter and receiver apparatus incorporating hollow waveguides A transmitter apparatus (2) is described that comprises one or more lasers (4), modulation means (10) to intensity modulate radiation output by each of said one or more lasers (4), and output means for outputting the modulated radiation p...	09/27/2011
8021914	Manufacture of cadmium mercury telluride A method of manufacture of cadmium mercury telluride (CMT) is disclosed. The method involves growing one or more buffer layers on a substrate by molecular beam epitaxy (MBE). Subsequently at least one layer of cadmium mercury telluride, Hg1-xCdxTe where x is between...	09/20/2011
8017899	Coded aperture imaging using successive imaging of a reference object at different positions In coded aperture imaging knowledge of the coded array pattern and its positional relation to the detector array is needed in order to be able to reconstruct the scene image. Usually a theoretical model of the coded array is used and the actual array needs to be ali...	09/13/2011
7982661	Coherent frequency modulated continuous wave radar A frequency modulated continuous wave (FMCW) radar is described. The radar includes a first discriminator for receiving a portion of the swept frequency signal generated by a frequency sweep generator and for producing a reference difference-frequency signal of freq...	07/19/2011
7982656	Imaging apparatus and method A millimeter wave imaging apparatus and method capable of identifying the presence of relatively thin dielectric materials is disclosed. The method involves taking a plurality of millimeter wave images of a scene at different frequencies and analyzing the images at ...	07/19/2011
7969639	Optical modulator A micro-opto-electro-mechanical systems (MOEMS) electro optical modulator (2) having an electrically tuneable optical resonator comprising an asymmetric Fabry-Perot etalon incorporating a mirror (10) resiliency biased with respect to a substrate (13...	06/28/2011
7965909	Fibre-optic surveillance system A fiber-optic surveillance system (10) includes a fiber-optic sensor (15) comprising a serial array (15) of fiber-optic point-sensors (16), successive point-sensors being linked by a distributed fiber-optic sensor (18). The system ...	06/21/2011
7960755	Strained quantum-well semiconductor devices In a transistor in which the majority carriers are holes, at least one narrow bandgap region or layer is doped p-type or contains an excess of holes and is subject to compressive mechanical strain, whereby hole mobility may be significantly increased. In a p-channel...	06/14/2011
7923677	Coded aperture imager comprising a coded diffractive mask The present invention relates to an imaging system which employs the same principles as coded aperture imaging. High angular resolution coded aperture imagers require a small aperture size and relatively large spacing between the coded aperture array and the detecto...	04/12/2011
7913758	Oil well perforators and method of use A method for completing an oil and gas well completion is provided. The perforators (10, 11) may be selected from any known or commonly used perforators and are typically deployed in a perforation gun. The perforators are aligned such that the cutting jets (	03/29/2011
7910018	Compounds for use in liquid crystal devices Liquid crystal compounds of Formula (I) for use in liquid crystal devices contains a dioxatetralin unit within the mesogenic liquid crystal core. The dioxatetralin unit may be located at any position within the mesogenic core of the liquid crystal compound, either a...	03/22/2011
7907262	Surface shape measurement apparatus and method Apparatus for indicating the departure of a shape of an object from a specified shape is described. The apparatus includes a light source for directing an incident beam of radiation onto the object, and an inspecting device for inspecting the final beam after transm...	03/15/2011
7898457	System and method for processing imagery from synthetic aperture systems A method of processing a temporal sequence of base images from a synthetic aperture system such as a synthetic aperture radar is provided that simplifies the task of identifying moving objects. The method comprises the steps of firstly temporally filtering a plurali...	03/01/2011
7892879	Manufacture of cadmium mercury telluride on patterned silicon This invention relates to the manufacture of Cadmium Mercury Telluride (CMT) on patterned silicon, especially to growth of CMT on silicon substrates bearing integrated circuitry. The method of the invention involves growing CMT in selected growth windows on the sili...	02/22/2011
7888626	Coded aperture imaging system having adjustable imaging performance with a reconfigurable coded aperture mask This invention relates to coded aperture imaging apparatus and methods. In one aspect a coded aperture imager has at least one detector array and a reconfigurable coded aperture mask means. A reconfigurable coded aperture mask means can display various coded apertur...	02/15/2011
7820955	Coded aperture imager comprising a coded diffractive mask The present invention relates to an imaging system which employs the same principles as coded aperture imaging. High angular resolution coded aperture imagers require a small aperture size and relatively large spacing between the coded aperture array and the detecto...	10/26/2010
7808712	Imaging system Optical apparatus for simultaneously focussing first and second coaxially spaced object planes in respective separate first and second areas of a common image plane 13 (such as the sensor of a CCD camera) comprises non-diffractive beamsplitter means for recei...	10/05/2010
7777670	Millimetre and sub-millimetre wave illumination system An improved millimeter wave illumination system includes at least one primary source of millimeter wave radiation, a reflecting surface and a baffle comprising a plurality of exit apertures arranged such that at least some of the radiation from the source is reflect...	08/17/2010
7736086	Vehicle arresting device A vehicle arresting device comprises a net intended to be laid flat on the ground in the path of a target vehicle with an array of upwardly-directed spikes attached to the net along a leading portion, so that when a vehicle runs over the device some of the spikes en...	06/15/2010
7734137	Multiple core microstructured optical fibre A multicore optical fibre includes a microstructured cladding material formed from a plurality of cladding elements arranged in an array and each cladding element comprising at least two different materials each having different refractive indices, and a plurality o...	06/08/2010
7689075	Optical wavelength division multiplexer/demultiplexer device An optical wavelength division multiplexer/demultiplexer device is described that comprises a substrate having a plurality of wavelength selecting filters. The filters are arranged to provide conversion between a combined beam comprising a plurality of wavelength ch...	03/30/2010
7683845	Antenna system compensating a change in radiation characteristics An antenna system having a transmissive surface and an antenna arranged to transmit or receive radiation through the transmissive surface via a radiation lobe of the antenna. The system further includes a displacing arrangement to displace the radiation lobe of the ...	03/23/2010
7683812	Pattern matching apparatus This invention relates to a pattern recognition correlator implemented entirely in the electronic domain. The correlator has a serial to parallel conversion means to convert input serial binary data into at least one input parallel binary electrical signal and a com...	03/23/2010
7683785	RF tags A single sided RF tag suitable for use for electronic article surveillance comprises a tuned circuit formed on one side of a substrate. Provided by a deposited first conducting layer which comprises an inductive coil, which behaves as an antenna and is electrically ...	03/23/2010
7639950	Communications system A communications system incorporates a transmitter a receiver. The transmitter includes an infrared light emitting diode (LED). The LED output is positive or negative luminescence, i.e. above or below an equilibrium background intensity level respectively, according...	12/29/2009
7619265	Molecular single electron transistor (MSET) detector device A molecular single electron transistor (MSET) detector device (14) is described that comprises at least one organic molecule (87) connecting a drain electrode (84) and a source electrode (82). In use, said at least one organic molecule (	11/17/2009

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Assignee: Qinetiq Limited