Abstract: An electric power assisted steering system comprises a motor adapted to apply an assistance torque to a portion of a steering shaft in response to a motor drive signal from a drive circuit, in which the motor comprises a synchronous wound field motor of the kind comprising a stator and a rotor, in which the rotor includes at least one pole and at least one coil winding associated with the pole and the stator comprises a number of phase windings, and in which the drive circuit which is configured to provide current in the coils of the stator and rotor during operation of the motor.

Abstract: The present invention relates to a method of measuring the rate of reaction between a target molecule and a ligand candidate, ligands of interest identified according to this method and drugs developed from such ligands. The present invention also relates to a method of measuring the rate of reaction between a thiol and a molecule capable of reacting with said thiol.

Abstract: An optoelectronic system comprising a first member and a second member, said first member and said second member comprising a plurality of layers, wherein each member has a profiled mating surface, the first member being connected to the second member such that the growth direction of the layers of the first member are orthogonal to the growth direction of the layers of the second member and the profiled mating surfaces fit together, the first member comprises a waveguide circuit comprising a waveguide and the second member comprises an optoelectronic device with its own optical output which is connected to the waveguide of the first member, the first and second members also being electrically connected.

Abstract: An optical measuring device for measuring a measurement region, the optical device comprising a photonic chip with an interferometer defined on said chip, said interferometer comprising first and second waveguides on said photonic chip and an interference region, wherein the first and second waveguides carry signals from the interference region to the sample region and back to the interference region, the device further comprising a phase adjusting unit configured to vary a phase difference between the signals in the first and second waveguides reflected by the measurement region.

Abstract: A rotor structure for an interior permanent magnet electric motor comprising: A laminated rotor core which comprises stack of thin plates, the stack having a first end and a second end, each plate in the stack including at least one window which is aligned with a corresponding window of an adjacent plate so that the window together form an elongate pocket that extends along at least a part of the length of the core starting at a first end of the core, and at least one permanent magnet located in the pocket. At least one plate at the first end of the stack includes an integral retention feature which projects away from a main body of the plate to project above the window in the plate and which engages the first end of the magnet thereby to retain the magnet in the pocket.

Abstract: An air vehicle comprising a main body and a pair of opposing wing members extending substantially laterally from the main body, at least a first propulsion device associated with a first of said wing members and a second propulsion device associated with a second of said wing members, each said propulsion device being arranged and configured to generate linear thrust relative to said main body, in use, the air vehicle further comprising a control module for generating a control signal configured to change a mode of flying of said air vehicle, in use, between a fixed wing mode and a rotary wing mode, wherein, in said fixed wing mode of flying, the direction of thrust generated by the first propulsion device relative to the main body is the same as the direction of thrust generated by the second propulsion device, and in said second mode of flying, the direction of thrust generated by the first propulsion device relative to the main body is opposite to that generated by the second propulsion device.

Abstract: An offset support bar for use in a patient treatment environment includes: a lower linear bar portion extending along a first longitudinal axis; a central bar portion connected to the lower linear bar portion; and an upper linear bar portion connected to the central bar portion and extending along a second longitudinal axis, which is parallel to the first longitudinal axis. The central bar portion, at least in part, and the second longitudinal axis are laterally offset from the first longitudinal axis in opposite lateral directions. The central bar portion may include: a first outreach section connected to the lower linear bar portion; and a second outreach section that is connected to the upper linear bar portion and that crosses the first longitudinal axis. The outreach sections may extend diagonally relative to the longitudinal axes.

Abstract: A rotary-wing air vehicle comprising a main body (12) and at least two rotor devices (16a, 16b) arranged and configured to generate propulsion and thrust, in use, to lift and propel said air vehicle, said rotor devices (16a, 16b) being arranged and configured relative to said main body (12) such that the blades thereof do not cross through a central vertical axis of said main body (12) defining the centre of mass thereof, wherein said main body (12) is provided with an aperture (100) that extends therethrough to define a channel about said central vertical axis.

Abstract: An air vehicle (10) comprising a main body (12) and a pair of opposing wing members (14a, 14b) extending substantially laterally from the main body (12) having a principal axis orthogonal to the longitudinal axis (20) of said wing members, at least a first propulsion device (16a) associated with a first of said wing members arranged and configured to generate a linear thrust relative to the main body in a first direction, and a second propulsion device (16b) associated with a second of said wing members arranged and configured to generate linear thrust relative to said main body in a second, substantially opposite, direction such that said wing members and said main body are caused to rotate about said principal axis, in use, the air vehicle further comprising an imaging system (100) configured to cover a substantially 360° imaging area about said principal axis and comprising at least one electro-optic sensor (102) mounted on a support member (104) and having a field of view (102a) covering a portion of said

Abstract: A wing member (14b) for an air vehicle (10), said wing member comprising a core section (20) defining its longitudinal axis and having upper and lower surfaces, at least one of said surfaces comprising apparatus (22) selectively configurable between at least two positions, wherein in a fully extended position, at least portions of said apparatus extend outwardly from said respective surface so as to increase the effective cross-sectional area of said wing member and define an effective aerofoil in respect thereof.

Abstract: An optoelectronic system comprising a first member and a second member, said first member and said second member comprising a plurality of layers, wherein each member has a profiled mating surface, the first member being connected to the second member such that the growth direction of the layers of the first member are orthogonal to the growth direction of the layers of the second member and the profiled mating surfaces fit together, the first member comprises a waveguide circuit comprising a waveguide and the second member comprises an optoelectronic device with its own optical output which is connected to the waveguide of the first member, the first and second members also being electrically connected.

Abstract: A photon source, comprising: a semiconductor structure, said semiconductor structure comprising: a first light emitting diode region; and a second region comprising a quantum dot; the photon source further comprising: a first voltage source configured to apply an electric field across said first light emitting diode region to cause light emission; a second voltage source configured to apply a tuneable electric field across said second region to control the emission energy of said quantum dot; wherein the semiconductor structure is configured such that light emitted from said first light emitting diode region is absorbed in said second region and produces carriers to populate said quantum dot; and wherein the photon source is configured such that light emitted from the second region exits said photon source.

Abstract: A composition includes a hydrogel bead in an external matrix, the hydrogel bead having an at least partially crosslinked gelling polymer, the hydrogel bead having encapsulated therein a functional agent, and a buffering agent having low water solubility, wherein at least a portion of the buffering agent is in solid form in the hydrogel bead.

Abstract: Disclosed herein is an antimicrobial delivery system comprising an electrostatic complex comprising cationic biopolymer and an anionic biopolymer, wherein the antimicrobial delivery system has antimicrobial activity in a comestible.

Abstract: An optical device comprising: a photonic crystal structure, comprising: a layer of a first material, the layer comprising a quantum emitter; and a plurality of regions of a second material in the layer of the first material, the regions arranged in a regular lattice having at least one region missing from the lattice so that a defect is formed, wherein the quantum emitter is located in the defect part of the photonic crystal structure; wherein the second material has a different refractive index to the first material; and an electrode which is electrically contacted to only the defect part of the photonic crystal structure.

Abstract: An intravenous pole with individually adjustable ring support members, a freely rotating slip ring with a plurality of electrical plug receptacles, and a wireless recharging system.

Abstract: A rotor structure for an interior permanent magnet electric motor comprising: A laminated rotor core which comprises stack of thin plates, the stack having a first end and a second end, each plate in the stack including at least one window which is aligned with a corresponding window of an adjacent plate so that the window together form an elongate pocket that extends along at least a part of the length of the core starting at a first end of the core, and at least one permanent magnet located in the pocket. At least one plate at the first end of the stack includes an integral retention feature which projects away from a main body of the plate to project above the window in the plate and which engages the first end of the magnet thereby to retain the magnet in the pocket.