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Enlighten (159.604 recursos)

Enlighten is the University of Glasgow's institutional repository service for published research material including peer-reviewed journal articles, published conference papers,books and book chapters

Type = Patent

Mostrando recursos 1 - 20 de 87

  1. Systems and Methods for Universal Filtered Multicarrier Systems

    Zhang, Lei; Xiao, P.; Ijaz, A.; Tafazolli, R.
    No abstract available.

  2. Multi-rate Wireless Communication Networks

    Zhang, Lei; Ijaz, A.; Xiao, P.; Quddus, A.; Tafazolli, R.
    No abstract available.

  3. Ultrawideband ultrasonic transducer

    Cochran, Alexander; Kirk, Katherine J.; Marin Franch, Pablo; Abrar, Aneela
    A transducer for transmitting and receiving ultrasound waves and a method for constructing a transducer. The transducer having layers of a single crystal piezoelectric material stacked in a multilayer arrangement and a polymer material geometrically arranged within each layer to form a 3-1 connectivity piezoelectric and polymer composite. The multilayer arrangement includes at least two layers of different thickness. The structure allows the generation of odd and even harmonics to significantly increase bandwith without reducing signal amplitude or efficiency.

  4. Ultrasound waveguide

    Watson, Malcolm John; Corner, George A.; Kirk, Katherine J.; Cochran, Alexander; Lines, David Ian Arthur
    An ultrasound waveguide that is attachable to an ultrasound probe so as to identify a target area on a target object. The ultrasound waveguide has an ultrasound transducer coupling means that allows an ultrasound signal to be transmitted through a guide means. The ultrasound waveguide also has a positioning means for positioning the guide means in relation to the target area on the target object. The guide means is provided with a channel that provides a discontinuity within the guide means that causes a discontinuity in the ultrasound signal emitted by the probe. The presence of this discontinuity allow for...

  5. Improved needle

    Watson, Malcolm John; Corner, George A.; Kirk, Katherine J.; Cochrane, Alexander
    An improved needle for use in ultrasound guided techniques and administration of regional and/or local anaesthetic is described. The improved needle has a substantially cylindrical shaft having a proximal and distal end, with the distal end being cut substantially perpendicular to the longitudinal axis. In one embodiment the improved needle is provided with an internal protrusion which deflects the path of a catheter inserted through the needle. A further embodiment is provided with wings which can be attached to a support member provided with the needle in alternative first and second directions. A further embodiment is provided with a blinder...

  6. Thin film aluminium nitride ultrasound transducers integrated on the test components

    Cochran, Alexander; Kirk, Katherine; Lee, Chee Kin; Placido, Francis
    The invention relates to a thin film aluminium nitride ultrasound transducer, a method of manufacture the transducer and a test component upon which a thin film aluminium nitride ultrasound transducer is deposited. The aluminium nitride film may be (002) orientated with its c-axis normal to the surface of a substrate made of glass or a composite material. The invention also includes a system for non-destructive testing wherein a pulse is emitted from an ultrasound transducer to propagate through the test component and a reflected pulse is detected by the aluminium nitride thin film ultrasound transducer. The ultrasound transducer can be...

  7. Extension sensing actuator

    Strachan, Mel; Kirk, Katherine Joanne; Cochran, Alexander
    A device comprising a solid-state actuator (100), means for inputting an acoustic signal to the actuator (104) and means for measuring the resultant signal (104). The measured acoustic signal can be used to determine the extension of the solid-state actuator.

  8. Ultrasound transducer array

    Cochran, Sandy; Demore, Christine; Garcia-Gancedo, Luis; Button, Timothy; Bamber, Jeff
    An ultrasonic transducer array and method of making an ultrasonic transducer array. The array comprising a plurality of individual array elements made from a piezoelectric composite which is made from a plurality of individual piezoelectric segments; a passive filler between the piezoelectric segments; and, one or more electrodes for driving the array elements formed from the piezoelectric segments; wherein the spatial pattern of the piezoelectric segments of the piezoelectric composite defines one or more non-linear, irregular channels which separate the piezoelectric segments thereby minimising interaction between the individual array elements and minimising spurious modes in the ultrasound transducer array.

  9. Apparatus and method for the manipulation of objects using ultrasound

    Cochran, Sandy; Drinkwater, Bruce; Hill, Martyn; Cumming, David
    A method and apparatus for manipulating particles. The apparatus comprising an ultrasound source for providing a variable ultrasound signal within a region of interest, and a controller connected to the ultrasound source such that it provides a control signal to the ultrasound source. The variable ultrasound signal creates a pressure field within the region of interest, the shape and/or position of which can be altered by changing the control signal input to the ultrasound source such that a particle within the region of interest will move in response to changes in the pressure field.

  10. Wire bond free connection of high frequency piezoelectric ultrasound transducer arrays

    Bernasseau, Anne; Hutson, David; Cochran, Sandy; Desmulliez, Marc Phillipe Yves
    A piezoelectric ultrasound transducer array connected to a planar electronic component, the planar electronic component having one or more through hole adapted to receive a conducting element to provide an electrical connection which extends through the planar electronic component.

  11. Ultrasound probe

    Cochran, Sandy; Habeshaw, Roderick; McLeod, Graeme; Corner, George; Marsh, Jonathan
    An ultrasound probe (10) comprises a pair of one dimensional transducer modules (1, 2) arranged in-line but set apart from each other in a shallow “V” shape. This allows a wide gap for needle manipulation while maintaining the ability to compute a good acoustic image of the target area (4) on an ultrasound scan engine. The ultrasound image is a product of data from both the arrays. The probe (10) is shaped to allow ergonomic manipulation possibilities for the anaesthetist. The probe can be held in a ‘pencil-type’ grip anywhere on the main body, or by pushing directly on the...

  12. Medical apparatus and its visualisation

    Sadiq, Muhammad; Cochran, Sandy; Huang, Zhihong; Corner, George; McLeod, Graeme; Carena, Patrick
    The invention relates to improving medical interventions and in certain instances to the generation of image data, in particular data acquired during a medical intervention or procedure. The invention also concerns the visibility of structures in target regions to be imaged and how this may be enhanced.

  13. Light-Reflecting Grating Structure for Photovoltaic Devices

    Michel, Bruno; Moll, Nikolaj; Ghannam, Rami
    A photovoltaic cell includes an absorbing layer configured to generate electron-hole pairs from incident photons of incoming light; and a first grating layer arranged at a first surface of the absorbing layer which is opposite to a second surface of the absorbing layer from which light is incident, wherein the first grating layer includes at least one grating extending along the first surface, wherein the at least one grating has grating structures which are dimensioned to provide a reflectivity for light incident through the absorbing layer back into the absorbing layer.

  14. Photovoltaic Thermal Hybrid Solar Receivers

    Escher, Werner; Michel, Bruno; Paredes, Stephan; Ghannam, Rami
    A photovoltaic thermal hybrid solar receiver includes a thermal collector, extending in a first plane and comprising an aperture; and a photovoltaic module, configured for electrical output power delivery, comprising a photo-active area that extends in a second plane at a distance from the first plane, the photo-active area being vis-à-vis the aperture, a projection of the aperture perpendicularly to the second plane corresponding to the photo-active area.

  15. Photovoltaic Thermal Hybrid Systems and Method of Operation Thereof

    Escher, Werner; Michel, Bruno; Paredes, Stephan; Ghannam, Rami
    A method is disclosed for operating a photovoltaic thermal hybrid system having a hybrid solar receiver with a photovoltaic module, operatively coupled to the system to deliver an electrical output power for a power user, a thermal collector distinct from the photovoltaic module, wherein the photovoltaic module and/or the thermal collector are movably mounted in the system, a collector thermal storage thermally connected to the thermal collector to store heat collected at the thermal collector, and a positioning mechanism adapted to move the photovoltaic module and/or the thermal collector. The method includes instructing the positioning mechanism to move the photovoltaic...

  16. Photovoltaic Thermal Hybrid Systems and Method of Operation Thereof

    Escher, Werner; Michel, Bruno; Paredes, Stephan; Ghannam, Rami
    A method is disclosed for operating a photovoltaic thermal hybrid system having a hybrid solar receiver with a photovoltaic module, operatively coupled to the system to deliver an electrical output power for a power user, a thermal collector distinct from the photovoltaic module, wherein the photovoltaic module and/or the thermal collector are movably mounted in the system, a collector thermal storage thermally connected to the thermal collector to store heat collected at the thermal collector, and a positioning mechanism adapted to move the photovoltaic module and/or the thermal collector. The method includes instructing the positioning mechanism to move the photovoltaic...

  17. Laser differential confocal map microimaging method and device

    Zhao, Weiqian; Cui, Han; Qiu, Lirong; Wang, Yun
    The invention belongs to the technical field of optical microimaging and spectral measurement, and relates to a high-spatial resolution laser differential confocal map microimaging imaging method and device. The core thought of the method is that a differential confocal detection technology is merged with a spectrum detection technology together, and a dichroic beam splitting system (13) is used to carry out nondestructive separation on Reyleigh scattering light and Raman scattering light, wherein the Raman scattering light is treated by spectrum detection, the Reyleigh scattering light is treated by geometric position detection, based on the characteristic that the position of a...

  18. High-space-resolution double-shaft confocal atlas micro-imaging method and device

    Wang, Yun; Zhao, Weiqian; Cui, Han; Qiu, Lirong
    The invention belongs to the technical field of spectral measurement and relates to a high-space-resolution double-shaft confocal atlas micro-imaging method and device. According to a core concept of the method, a double-shaft confocal micro-technique and a spectral detection technique are organically merged, and a normally-forgotten Reyleigh light is utilized to carry out auxiliary detection, so that the space resolution of a system is improved, and three detection modes including three-dimensional tomographic imaging, spectral detection and microcell atlas tomographic imaging are realized. The method and the device have the advantages of high space resolution, accuracy in positioning, high spectral detection sensitivity...

  19. High spatial resolution biaxial differential confocalspectrum microscopic imaging method and apparatus

    Zhao, Weiqian; Cui, Han; Qiu, Lirong; Wang, Yun
    The invention belongs to the technical field of spectrum measurement, and relates to a high spatial resolution biaxial differential confocal spectrum imaging method and an apparatus. According to the present invention, the biaxial differential confocal microscopy technology and the spectrum detection technology are fused, focal spot cutting differential detection is adopted so as to achieve precise imaging of the geometry position, simplify the optical path structure of the traditional differential confocal microscopy system, inherit the advantages of large visual field and large work distance of the biaxial microscopy technology, and achieve high spatial resolution spectrum integrated detection of the system;...

  20. Method and device for confocal Raman spectrum detection with high spatial discrimination

    Zhao, Weiqian; Cui, Han; Qiu, Lirong; Wang, Yun
    The invention belongs to the technical field of optical microscopic imaging and spectral measurement, and relates to a method and a device for confocal Raman spectrum detection with high spatial discrimination. According to the method and the device, confocal technique is integrated into the spectrum detection; nondestructive separation is carried out on Rayleigh scattering light and Raman scattering light by using of a dichroic beam splitting system (13); by using the characteristic that the maximum value of a confocal curve (34) corresponds to a focal position accurately, spectral information exciting a light spot focal position is accurately acquired through maximizing;...

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