Patents by Inventor Leslie Charles Laycock
Leslie Charles Laycock has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9865921Abstract: There is disclosed a directional multi-band antenna comprising: a primary reflector, at least one secondary reflector, a multi-layer dielectric layer selectively reflective or transmissive of incident radiation according to wavelength, the layer being provided at the surface of either the primary or the secondary reflector, an RF unit comprising a collocated sensor and transmitter, an Optical unit comprising a collocated sensor and transmitter, arranged such that the primary reflector is for passing signals between the secondary reflector and the environment, the secondary reflector is firstly for passing signals between the primary reflector and the RF unit, and secondly for passing signals between the primary reflector and the Optical unit and arranged such that the antenna is operable to transmit or receive, RF or Optical signals, along a common beam axis.Type: GrantFiled: January 27, 2014Date of Patent: January 9, 2018Assignee: BAE SYSTEMS plcInventors: Michael Stewart Griffith, Leslie Charles Laycock
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Patent number: 9761941Abstract: There is disclosed A directional multi-band antenna, the antenna comprising: —an optical unit comprising an optical sensor; —an RF unit comprising an RF sensor; —a substantially planar optical lens, the optical lens comprising surface relief elements for beam forming, the lens being arranged to focus optical signal beams, incident along a first optical axis, onto the optical sensor, the optical lens being substantially transparent to RF signals, —an RF beam forming device arranged to receive RF signals incident along the first optical axis and focus such RF signals onto the RF sensor.Type: GrantFiled: January 27, 2014Date of Patent: September 12, 2017Assignee: BAE SYSTEMS plcInventors: Michael Stewart Griffith, Leslie Charles Laycock
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Patent number: 9720161Abstract: The following invention relates to an improved LCD Backlight, particularly to an improved arrangement of the optical scattering dots within the light guiding plate. The light guiding plate comprises a lower surface which is formed with a plurality of optical scattering dots, which scatter and reflect the light beams to convert the light beams into a uniform surface light source, characterised wherein the surface area of each optical dot decreases as a function of its distance from at least one of the three edges comprising the LED lights.Type: GrantFiled: October 2, 2013Date of Patent: August 1, 2017Assignee: BAE SYSTEMS plcInventors: Leslie Charles Laycock, Andrew Graham McCarthy
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Publication number: 20170192242Abstract: A beamsplitter is disclosed for splitting an input beam of radiation which is incident upon the beamsplitter into at least one first and second output beam of radiation which propagate from the beamsplitter.Type: ApplicationFiled: May 22, 2015Publication date: July 6, 2017Applicant: BAE SYSTEMS plcInventor: Leslie Charles LAYCOCK
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Patent number: 9692512Abstract: There is disclosed a directional multi-band antenna comprising a substrate structure, a plurality of RF units arranged at the substrate structure to provide an RF phased array, the RF phased array having an angular scan range, an array of optical units arranged at the substrate structure and interspersed amongst the RF units, an array of optical lensing devices supported over the substrate structure, the array of optical lensing devices being substantially RF transmissive and being arranged to correspond with the arrangement of the optical units, such that each optical unit may communicate light signals with an associated optical lensing device so as to communicate light signals along an optical axis within the angular scan range of the RF phased array.Type: GrantFiled: March 4, 2014Date of Patent: June 27, 2017Assignee: BAE SYSTEMS plcInventors: Michael Stewart Griffith, Leslie Charles Laycock
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Publication number: 20170059835Abstract: The following invention relates to an optical device for use in a system that requires optical zoom or focus abilities, particularly for providing pre-set zoom parameters with a very low energy requirement. There is provided an optical magnification device comprising at least one pair of optically aligned deformable reflectors, wherein each reflector pair has at least two configurations, wherein selection of a first and a second configuration of said deformable reflector pairs provides pre-defined magnification states, such that in any configuration one reflector is substantially concave and the other is substantially convex; at least one controller may cause both the reflectors to move between said at least two configurations.Type: ApplicationFiled: February 5, 2015Publication date: March 2, 2017Applicant: BAE SYSTEMS plcInventors: MICHAEL STEWART GRIFFITH, DAVID ANDREW COCKSEDGE, LESLIE CHARLES LAYCOCK
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Patent number: 9523609Abstract: There is disclosed a spectral imaging apparatus for processing electromagnetic (EM) radiation, the EM radiation originating from a target scene and comprising a wide range of frequencies, the system comprising: A dispersive element for receiving EM radiation from the target scene and promoting differing amounts of dispersion depending on the frequency of the EM radiation, A deformable lens arranged to receive EM radiation from the dispersive element, An imaging sensor for detecting EM radiation across the wide range of frequencies, and arranged to receive EM radiation from the deformable lens, Wherein the deformable lens is operable to adopt any one of a plurality of focal conditions, each focal condition tending to focus a different range of the EM radiation at the imaging sensor, each focal condition thereby defining a component band for the EM radiation.Type: GrantFiled: April 8, 2014Date of Patent: December 20, 2016Assignee: BAE SYSTEMS plcInventors: Ivan Vallejo Veiga, Leslie Charles Laycock, Michael Stewart Griffith
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Patent number: 9454005Abstract: The following invention relates to an improved lens apparatus for use in a head up display (HUD), particularly for providing a deployment means for a HUD. The deployment device comprises a servomotor and cord assembly to move the carrier, wherein the carrier is biased, such that the first action is to deploy the lens, and then cause subsequent movement of the lens through an arc.Type: GrantFiled: January 30, 2013Date of Patent: September 27, 2016Assignee: BAE SYSTEMS plcInventors: Leslie Charles Laycock, David Andrew Cocksedge
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Publication number: 20160084708Abstract: There is disclosed a spectral imaging apparatus for processing electromagnetic (EM) radiation, the EM radiation originating from a target scene and comprising a wide range of frequencies, the system comprising: A dispersive element for receiving EM radiation from the target scene and promoting differing amounts of dispersion depending on the frequency of the EM radiation, A deformable lens arranged to receive EM radiation from the dispersive element, An imaging sensor for detecting EM radiation across the wide range of frequencies, and arranged to receive EM radiation from the deformable lens, Wherein the deformable lens is operable to adopt any one of a plurality of focal conditions, each focal condition tending to focus a different range of the EM radiation at the imaging sensor, each focal condition thereby defining a component band for the EM radiation.Type: ApplicationFiled: April 8, 2014Publication date: March 24, 2016Applicant: BAE SYSTEMS plcInventors: IVAN VALLEJO VEIGA, LESLIE CHARLES LAYCOCK, MICHAEL STEWART GRIFFITH
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Publication number: 20160036529Abstract: There is disclosed a directional multi-band antenna comprising a substrate structure, a plurality of RF units arranged at the substrate structure to provide an RF phased array, the RF phased array having an angular scan range, an array of optical units arranged at the substrate structure and interspersed amongst the RF units, an array of optical lensing devices supported over the substrate structure, the array of optical lensing devices being substantially RF transmissive and being arranged to correspond with the arrangement of the optical units, such that each optical unit may communicate light signals with an associated optical lensing device so as to communicate light signals along an optical axis within the angular scan range of the RF phased arrayType: ApplicationFiled: March 4, 2014Publication date: February 4, 2016Applicant: BAE SYSTEMS plcInventors: MICHAEL STEWART GRIFFITH, LESLIE CHARLES LAYCOCK
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Publication number: 20150357712Abstract: There is disclosed A directional multi-band antenna, the antenna comprising: an optical unit comprising an optical sensor; an RF unit comprising an RF sensor; a substantially planar optical lens, the optical lens comprising surface relief elements for beam forming, the lens being arranged to focus optical signal beams, incident along a first optical axis, onto the optical sensor, the optical lens being substantially transparent to RF signals, an RF beam forming device arranged to receive RF signals incident along the first optical axis and focus such RF signals onto the RF sensor.Type: ApplicationFiled: January 27, 2014Publication date: December 10, 2015Applicant: BAE SYSTEMS plcInventors: MICHAEL STEWART GRIFFITH, LESLIE CHARLES LAYCOCK
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Publication number: 20150357713Abstract: There is disclosed a directional multi-band antenna comprising: a primary reflector, at least one secondary reflector, a multi-layer dielectric layer selectively reflective or transmissive of incident radiation according to wavelength, the layer being provided at the surface of either the primary or the secondary reflector, an RF unit comprising a collocated sensor and transmitter, an Optical unit comprising a collocated sensor and transmitter, arranged such that the primary reflector is for passing signals between the secondary reflector and the environment, the secondary reflector is firstly for passing signals between the primary reflector and the RF unit, and secondly for passing signals between the primary reflector and the Optical unit and arranged such that the antenna is operable to transmit or receive, RF or Optical signals, along a common beam axis.Type: ApplicationFiled: January 27, 2014Publication date: December 10, 2015Applicant: BAE SYSTEMS PLCInventors: MICHAEL STEWART GRIFFITH, LESLIE CHARLES LAYCOCK
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Publication number: 20150253491Abstract: The following invention relates to an improved LCD Backlight, particularly to an improved arrangement of the optical scattering dots within the light guiding plate. The light guiding plate comprises a lower surface which is formed with a plurality of optical scattering dots, which scatter and reflect the light beams to convert the light beams into a uniform surface light source, characterised wherein the surface area of each optical dot decreases as a function of its distance from at least one of the three edges comprising the LED lights.Type: ApplicationFiled: October 2, 2013Publication date: September 10, 2015Applicant: BAE SYSTEMS PLCInventors: Leslie Charles Laycock, Andrew Graham McCarthy
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Publication number: 20150211877Abstract: The following invention relates to an improved lens apparatus for use in a head up display (HUD), particularly for providing a HUD with an active virtual one which has variable and selectable distance to the user. The display device for vehicles comprises, at least one display, which provides system information that is to be displayed to a user, a partially reflecting combiner, which magnifies the system information from the display, and provides an active primary virtual image of said display, at least one fluidic lens located between the at least one display and said partially reflecting combiner, to provide the active primary virtual image.Type: ApplicationFiled: July 23, 2013Publication date: July 30, 2015Applicant: BAE SYSTEMS plcInventors: Leslie Charles Laycock, Christopher Stace
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Publication number: 20150098133Abstract: The following invention relates to an improved lens apparatus for use in a head up display (HUD), particularly for providing a deployment means for a HUD. The deployment device comprises a servomotor and cord assembly to move the carrier, wherein the carrier is biased, such that the first action is to deploy the lens, and then cause subsequent movement of the lens through an arc.Type: ApplicationFiled: January 30, 2013Publication date: April 9, 2015Applicant: BAE SYSTEMS plcInventors: Leslie Charles Laycock, David Andrew Cocksedge
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Publication number: 20150029410Abstract: The following invention relates to an improved lens apparatus for use in a head up display (HUD), particularly for providing HUD with a depth of field and more particularly with providing a secondary virtual image in a different colour so as to provide a warning message. The partially reflecting combiner has a first surface S1 located closest to a display, and a second surface S2, located furthest from the display, wherein the effective radius of curvature of surface S2>S1, so as to provide two non-coincident virtual images. The selection of antireflective coatings on the surfaces S2 and S1 allows the non-coincident virtual images to have different coloured virtual images.Type: ApplicationFiled: January 9, 2013Publication date: January 29, 2015Applicant: BAE SYSTEMS plcInventors: Leslie Charles Laycock, Christopher Stace, Ferhat Culfaz
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Publication number: 20140152842Abstract: This invention relates to an infra red wavefront sensor device (10) including: • a plurality of tapered coherent fibre optic image conduits (12a, 12b), wherein each image conduit has an input surface (14a, 14b) and a body portion (16a, 16b) that tapers to an output surface (18a, 18b) and is configured to transmit an infra-red image incident on the input surface (14a, 14b) to the output surface (18a, 18b), in which the input surfaces (14a, 14b) are substantially coplanar thereby defining an image plane; • a plurality of detector arrays (26), wherein each detector array has a plurality of detector cells which are responsive to infra-red radiation, and in which each detector array (26) is positioned so as to detect an infra-red image appearing at the output surface (18a, 18b) of the paired image conduit (12a, 12b) by producing an output signal; and • an image processor (28) responsive to the output signals of the detector arrays (26) and configured to combine said output signals to produce a composite image.Type: ApplicationFiled: August 13, 2012Publication date: June 5, 2014Applicant: BAE SYSTEMS PLCInventor: Leslie Charles Laycock
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Patent number: 8717681Abstract: A fluidic lens includes a cavity 16 containing an optically transparent liquid and bounded by optically transparent walls 10, 32 arranged such that light may pass into the fluid via one wall and exit from the fluid via another wall, at least one said wall including at least one optically transparent piezoelectric element which is deformable so as to change the shape of the cavity.Type: GrantFiled: December 18, 2009Date of Patent: May 6, 2014Assignee: BAE Systems, plcInventors: Michael S Griffith, Leslie Charles Laycock
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Patent number: 8699113Abstract: 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.Type: GrantFiled: November 17, 2009Date of Patent: April 15, 2014Assignee: BAE SYSTEMS plcInventors: Michael Stewart Griffith, Leslie Charles Laycock, Nicholas John Archer
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Patent number: 8624174Abstract: A mirror structure is provided in which at least a portion of a wavefront sensor is integrated with a mirror. In particular, a mirror structure is provided in which a Hartmann mask or a microlens array of a Shack-Hartmann wavefront sensor is integrated with a mirror to provide a very compact wavefront detector/corrector in a single device. Such a mirror structure may be used in a laser cavity to simplify adaptive optics in the cavity. Furthermore, a Hartmann Mask may be integrated with self deforming mirror comprising an active PZT layer bonded to a passive mirror substrate, wherein the Hartmann Mask comprises an array of apertures formed through the active PZT layer.Type: GrantFiled: November 16, 2009Date of Patent: January 7, 2014Assignee: BAE SYSTEMS plcInventors: Michael Stewart Griffith, Leslie Charles Laycock, Peter Blyth