Patents by Inventor Roger Clarke
Roger Clarke 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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Publication number: 20210106218Abstract: A visual field device includes a light source and an eyepiece. The light source includes a backlight arranged to generate, in use, light directed towards a first liquid crystal display (LCD) screen and a second LCD screen, the first LCD screen and the second LCD screen overlapping one another and the backlight such that the light source outputs light transmitted through both the first and second LCD screens. The eyepiece is arranged between the light source and a subject position, the eyepiece being configured to receive light output by the light source and focus the received light towards the subject position. Each of the first and second LCD screens include a respective array of pixels, each pixel being controllable so as to vary its transmittance to light generated by the back-light.Type: ApplicationFiled: July 29, 2020Publication date: April 15, 2021Applicant: Vision for Mars Technologies LLCInventors: Neil Griffin, Roger Clarke
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Publication number: 20200360632Abstract: A dry powder inhaler with a blister folding device can include a housing to receive a single blister containing a dose of medicament for inhalation by a user, and a mouthpiece through which a dose of medicament is inhaled by a user and a blister opening device. The blister opening device can include a blister support element for supporting a blister containing a dose of medicament for inhalation by a user, and a blister folding element co-operable with the blister support element. The blister folding element and the blister support element can be movable relative to each other between a first position, for insertion of the blister into or onto the blister support element, and a second, burst, position in which the blister folding element has co-operated with the blister support element.Type: ApplicationFiled: August 4, 2020Publication date: November 19, 2020Inventors: Roger Clarke, Peter Wilson
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Publication number: 20200316322Abstract: A multi-dose dry powder inhaler with a blister folding device is provided. The inhaler comprises a housing containing a blister strip, and a blister opening device. The blister strip comprises a plurality of individual blisters, each blister containing a dose of medicament for inhalation by a user. The blister opening device comprising a blister support element for supporting one of said blisters, and a blister folding element co-operable with the blister support element, the blister folding element and the blister support element being movable relative to each other between a first position, permitting movement of said blister into or onto the blister support element, and a second, burst, position in which the blister folding element has co-operated with the blister support element.Type: ApplicationFiled: May 25, 2017Publication date: October 8, 2020Inventors: Peter Wilson, Roger Clarke, Liam McGuinness
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Patent number: 10765818Abstract: A dry powder inhaler with a blister folding device can include a housing to receive a single blister containing a dose of medicament for inhalation by a user, and a mouthpiece through which a dose of medicament is inhaled by a user and a blister opening device. The blister opening device can include a blister support element for supporting a blister containing a dose of medicament for inhalation by a user, and a blister folding element co-operable with the blister support element. The blister folding element and the blister support element can be movable relative to each other between a first position, for insertion of the blister into or onto the blister support element, and a second, burst, position in which the blister folding element has co-operated with the blister support element.Type: GrantFiled: November 6, 2015Date of Patent: September 8, 2020Assignee: Vectura Delivery Devices LimitedInventors: Roger Clarke, Peter Wilson
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Patent number: 10188810Abstract: An inhaler comprising a housing defining a chamber to receive a strip having a plurality of blisters each containing a dose of medicament for inhalation by a user is disclosed. It comprises an actuating lever and a blister strip drive member rotatably mounted in the chamber to sequentially move each blister into a blister opening position. The blister strip drive member and the actuating lever comprise a drive gear and a drive gear element, respectively, that cooperate to effect rotation of the blister strip drive member in response to rotation of the actuating lever. The drive gear and drive gear element are disposed on the outside of the housing remote from the chamber.Type: GrantFiled: February 11, 2015Date of Patent: January 29, 2019Assignee: VECTURA DELIVERY DEVICES LIMITEDInventors: Andreas Meliniotis, Stephen Eason, Roger Clarke, Liam McGuinness
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Patent number: 10183133Abstract: An inhaler comprising a housing defining a chamber to receive a strip having a plurality of blisters each containing a dose of medicament for inhalation by a user is disclosed.Type: GrantFiled: May 16, 2013Date of Patent: January 22, 2019Assignee: VECTURA DELIVERY DEVICES LIMITEDInventors: Andreas Meliniotis, Andrew Solly, Roger Clarke, Liam McGuinness
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Publication number: 20180018943Abstract: An optical system comprises a transparent display arranged to be placed in the near field view of a user. Image generation means generates an image on the transparent display, the formed image having a blank area formed therein to allow a viewer to view an image of higher resolution than the first.Type: ApplicationFiled: January 19, 2016Publication date: January 18, 2018Applicant: The Technology Partnership PlcInventors: Roger CLARKE, Andrew KADIS
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Patent number: 9851562Abstract: An optical device comprising an optical grating structure embedded between media of substantially the same optical refractive index, the structure having an optical coating at the interface between the two media, wherein the structure comprises grating facets inclined relative to the interface plane such that, in use, anomalous optical effects due to coating are substantially reduced.Type: GrantFiled: April 8, 2011Date of Patent: December 26, 2017Assignee: The Technology Partnership PLCInventor: Roger Clarke
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Publication number: 20170357092Abstract: A display system is arranged to be placed in front of the eye or positioned in front of an image recording device that presents a view comprising the normal visual field overlaid with an image of a transparent display panel. The system comprises a transparent display panel positioned in front of the eye, and a dual focus lens positioned between the eye and the transparent display panel the lens arranged to allow the eye to focus on both the display panel and a view through the transparent panel.Type: ApplicationFiled: December 8, 2015Publication date: December 14, 2017Applicant: The Technology Partnership PlcInventors: Neil Griffin, Roger Clarke, Nick Wooder
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Publication number: 20170326313Abstract: A dry powder inhaler with a blister folding device can include a housing to receive a single blister containing a dose of medicament for inhalation by a user, and a mouthpiece through which a dose of medicament is inhaled by a user and a blister opening device. The blister opening device can include a blister support element for supporting a blister containing a dose of medicament for inhalation by a user, and a blister folding element co-operable with the blister support element. The blister folding element and the blister support element can be movable relative to each other between a first position, for insertion of the blister into or onto the blister support element, and a second, burst, position in which the blister folding element has co-operated with the blister support element.Type: ApplicationFiled: November 6, 2015Publication date: November 16, 2017Inventors: Roger CLARKE, Peter WILSON
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Publication number: 20160313572Abstract: A lens system is presented having a diffractive optical power region. The diffractive optical power region has a plurality of concentric surface relief diffractive structures. A greater portion of light incident on a diffractive structure near the center point contributes to the optical power than light incident on a diffractive structure peripherally spaced therefrom.Type: ApplicationFiled: July 6, 2016Publication date: October 27, 2016Inventors: Joshua HADDOCK, William KOKONASKI, Roger CLARKE, Mark MATTISON-SHUPNICK, Ronald D. BLUM
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Patent number: 9448340Abstract: An optical device comprises an optical diffuser structure embedded between media of substantially the same optical refractive index. The structure comprises a partially reflective optical coating at the interface between the two media. The partially reflective optical coating comprises a relief profile such that, in use, the optical diffuser structure diffuses light in reflection from the partially reflective optical coating and delivers substantially no optical deflection in transmission.Type: GrantFiled: March 7, 2014Date of Patent: September 20, 2016Assignee: The Technology Partnership PlcInventors: Neil Griffin, Roger Clarke
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Patent number: 9411172Abstract: A lens system is presented having a diffractive optical power region. The diffractive optical power region has a plurality of concentric surface relief diffractive structures. A greater portion of light incident on a diffractive structure near the center point contributes to the optical power than light incident on a diffractive structure peripherally spaced therefrom.Type: GrantFiled: October 22, 2012Date of Patent: August 9, 2016Assignee: Mitsui Chemicals, Inc.Inventors: Joshua Haddock, William Kokonaski, Roger Clarke, Mark Mattison-Shupnick, Ronald D. Blum
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Patent number: 9304372Abstract: A light modulation device comprising an optical element and at least one addressable mask disposed adjacent to the optical element. The optical element comprises at least two sub-elements, each of the at least two sub-elements having at least one optical characteristic wherein at least one optical characteristic of one sub-element is discrete from at least one optical characteristic of another sub-element. The mask comprises at least two regions corresponding to the at least two sub-elements, each of the at least two regions being individually addressable to enable its corresponding sub-element to be light transmitting.Type: GrantFiled: April 8, 2011Date of Patent: April 5, 2016Assignee: The Technology Partnership PLCInventor: Roger Clarke
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Publication number: 20150378067Abstract: An actuation mechanism for simultaneous actuation of first and second variable focal length lenses is disclosed. Each lens comprises a distensible membrane bounding a fluid-filled cavity, the focal length varying with the degree of curvature of the membrane as it distends. The actuation mechanism comprises a hydraulic master actuator in fluid communication with a hydraulic slave actuator associated with the first lens and with a hydraulic slave actuator associated with the second lens. Each slave actuator is configured to vary the degree of distension of the membrane of its associated lens in response to operation of the master actuator, whereby the master actuator is operable to cause a variation of the degree of distension of the membranes of both the first and second lenses simultaneously.Type: ApplicationFiled: January 30, 2014Publication date: December 31, 2015Inventors: Robert Stevens, Alex Edginton, Julian Brandon-Jones, Roger Clarke
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Patent number: 9146407Abstract: A fail-safe electro-active lens is presented in which the lens includes a substrate having a diffractive relief surface and an electro-active material in optical communication with the substrate. The electro-active material can include a nematic liquid crystal host. The refractive index of the substrate is equal to the average refractive index of the liquid crystal at a wavelength in the blue light spectrum.Type: GrantFiled: August 7, 2013Date of Patent: September 29, 2015Assignee: MITSUI CHEMICALS, INC.Inventors: Roger Clarke, Joshua N. Haddock
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Publication number: 20150151059Abstract: An inhaler comprising a housing defining a chamber to receive a strip having a plurality of blisters each containing a dose of medicament for inhalation by a user is disclosed.Type: ApplicationFiled: May 16, 2013Publication date: June 4, 2015Inventors: Andreas Meliniotis, Andrew Solly, Roger Clarke, Liam McGuinness
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Publication number: 20140347581Abstract: Aspects of the present invention provide an electro-active lens and method for manufacturing the same that encapsulates liquid crystal using solid transparent optical material using an improved liquid crystal seal feature. The seal feature greatly reduces the visibility of the liquid crystal seal feature in an assembled electro-active lens. The seal feature is also structurally robust such that the electro-active lens can be processed to fit a spectacle frame without disturbing containment of the liquid crystal and without disrupting electrical connectivity to the lens used to alter the refractive index of the liquid crystal, thereby ensuring fabrication of a commercially viable electro-active lens.Type: ApplicationFiled: August 6, 2014Publication date: November 27, 2014Inventors: Joshua N. HADDOCK, William KOKANASKI, Roger CLARKE, Philip RAWLINS, Peter CROSSLEY, James JOHN
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Patent number: 8830408Abstract: Aspects of the present invention provide an electro-active lens and method for manufacturing the same that encapsulates liquid crystal using solid transparent optical material using an improved liquid crystal seal feature. The seal feature greatly reduces the visibility of the liquid crystal seal feature in an assembled electro-active lens. The seal feature is also structurally robust such that the electro-active lens can be processed to fit a spectacle frame without disturbing containment of the liquid crystal and without disrupting electrical connectivity to the lens used to alter the refractive index of the liquid crystal, thereby ensuring fabrication of a commercially viable electro-active lens.Type: GrantFiled: August 5, 2013Date of Patent: September 9, 2014Assignee: HPO Assets LLCInventors: Joshua N. Haddock, William Kokonaski, Roger Clarke, Philip Rawlins, Peter Crossley, James John
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Patent number: 8739785Abstract: An inhalation device comprising a base having a slot for insertion of a single blister containing a dose of medicament to be inhaled into the base is disclosed. The inhaler has a mouthpiece pivotably mounted to the base which carries a blister piercing element operable to pierce a blister received in said slot when the mouthpiece is pivoted relative to the base. When a user inhales on the mouthpiece, the dose is entrained in an airflow and flows out of the blister through the mouthpiece and into the user's airway.Type: GrantFiled: November 29, 2012Date of Patent: June 3, 2014Assignee: Vectura Delivery Devices LimitedInventors: Matthew Paul Wright, Michael Sheldon, Matthew Neil Sarkar, Ivan Milivojevic, Roger Clarke, Emma Lesley Williamson