Patents by Inventor Hamish MacDougall
Hamish MacDougall 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: 11684292Abstract: A system for detecting and recording head orientations of a person includes: a first sensor device capable of providing sensor data regarding a head orientation of a person in a three-dimensional space; a data acquisition system configured for storing and outputting the sensor data from the first sensor device; and a processor configured for processing the sensor data from the data acquisition system, outputting a first signal representing the head orientation, and generating an image for presentation by a graphical display; wherein the image comprises: a first reference indicator; an orientation indicator, wherein a position of the orientation indicator in the image is determined based on the first signal from the processor, and a feedback indicator when a first condition is met.Type: GrantFiled: June 24, 2021Date of Patent: June 27, 2023Inventors: Hamish MacDougall, Robert Nygren, Wendy Crumley-Welsh
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Patent number: 11179035Abstract: A system for the real-time removal of reflections from an image including a head wearable device, a first illuminator, a second illuminator, at least one camera and a reflection removal processor. The first and the second illuminators are configured to provide light and to operate one at a time alternately. The at least one camera is configured to capture a first image of the eye of the user when the first illuminator is in an ON state and a second image when the second illuminator is in an ON state. The operation of the at least one camera is synchronized with the operation of the first illuminator and the second illuminator. The camera captures images and transfers them to the reflection removal processor that provides real-time removal of reflections by combining the first image and the second image.Type: GrantFiled: July 25, 2019Date of Patent: November 23, 2021Inventors: Hamish MacDougall, Michael Hetner, Poul-Erik Hansen, Mohan Baro, Thomas Geertsen
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Publication number: 20210307654Abstract: A system for detecting and recording head orientations of a person includes: a first sensor device capable of providing sensor data regarding a head orientation of a person in a three-dimensional space; a data acquisition system configured for storing and outputting the sensor data from the first sensor device; and a processor configured for processing the sensor data from the data acquisition system, outputting a first signal representing the head orientation, and generating an image for presentation by a graphical display; wherein the image comprises: a first reference indicator; an orientation indicator, wherein a position of the orientation indicator in the image is determined based on the first signal from the processor, and a feedback indicator when a first condition is met.Type: ApplicationFiled: June 24, 2021Publication date: October 7, 2021Applicant: Natus Medical IncorporatedInventors: Hamish MACDOUGALL, Robert NYGREN, Wendy CRUMLEY-WELSH
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Patent number: 11071475Abstract: A system for detecting and recording head orientations of a person includes: a first sensor device capable of providing sensor data regarding a head orientation of a person in a three-dimensional space; a data acquisition system configured for storing and outputting the sensor data from the first sensor device; and a processor configured for processing the sensor data from the data acquisition system, outputting a first signal representing the head orientation, and generating an image for presentation by a graphical display; wherein the image comprises: a first reference indicator; an orientation indicator, wherein a position of the orientation indicator in the image is determined based on the first signal from the processor, and a feedback indicator when a first condition is met.Type: GrantFiled: September 22, 2019Date of Patent: July 27, 2021Assignee: Natus Medical IncorporatedInventors: Hamish Macdougall, Robert Nygren, Wendy Crumley-Welsh
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Publication number: 20200029808Abstract: A system for the real-time removal of reflections from an image including a head wearable device, a first illuminator, a second illuminator, at least one camera and a reflection removal processor. The first and the second illuminators are configured to provide light and to operate one at a time alternately. The at least one camera is configured to capture a first image of the eye of the user when the first illuminator is in an ON state and a second image when the second illuminator is in an ON state. The operation of the at least one camera is synchronized with the operation of the first illuminator and the second illuminator. The camera captures images and transfers them to the reflection removal processor that provides real-time removal of reflections by combining the first image and the second image.Type: ApplicationFiled: July 25, 2019Publication date: January 30, 2020Inventors: Hamish MacDougall, Michael Hetner, Poul-Erik Hansen, Mohan Baro, Thomas Geertsen
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Publication number: 20200015715Abstract: A system for detecting and recording head orientations of a person includes: a first sensor device capable of providing sensor data regarding a head orientation of a person in a three-dimensional space; a data acquisition system configured for storing and outputting the sensor data from the first sensor device; and a processor configured for processing the sensor data from the data acquisition system, outputting a first signal representing the head orientation, and generating an image for presentation by a graphical display; wherein the image comprises: a first reference indicator; an orientation indicator, wherein a position of the orientation indicator in the image is determined based on the first signal from the processor, and a feedback indicator when a first condition is met.Type: ApplicationFiled: September 22, 2019Publication date: January 16, 2020Applicant: Natus Medical IncorporatedInventors: Hamish MACDOUGALL, Robert NYGREN, Wendy CRUMLEY-WELSH
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Patent number: 10426379Abstract: A system for detecting and recording head orientations of a person includes: a first sensor device capable of providing sensor data regarding a head orientation of a person in a three-dimensional space; a medical data acquisition system configured for storing and outputting the sensor data from the first sensor device; and a processor configured for processing the sensor data from the medical data acquisition system, outputting a first signal representing the head orientation, and generating an image for presentation by a graphical display; wherein the image comprises: a first reference indicator; an orientation indicator, wherein a position of the orientation indicator in the image is determined based on the first signal from the processor, and a feedback indicator when a first condition is met.Type: GrantFiled: April 14, 2015Date of Patent: October 1, 2019Assignee: Natus Medical IncorporatedInventors: Hamish MacDougall, Robert Nygren, Wendy Crumley-Welsh
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Patent number: 10206568Abstract: A head mountable device for measuring eye movement includes: a camera system comprising a first camera, wherein the camera system is configured to obtain a first set of images of a first eye of a user with a first frame rate and a first resolution; a processing unit configured to process the obtained first set of images and provide a processing unit output based on the first set of images; and an interface connected to the processing unit, for providing a device output based on the processing unit output; wherein the first frame rate is sufficient to allow the processing unit to detect eye saccades of the first eye.Type: GrantFiled: May 27, 2014Date of Patent: February 19, 2019Assignee: Natus Medical IncorporatedInventor: Hamish MacDougall
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Patent number: 9572488Abstract: A head mountable device for measuring eye movement includes: a frame; a camera system comprising a first camera, wherein the camera system is coupled to the frame, and is configured to obtain a first set of images of a first eye of a user; and a first liquid crystal display (LCD) shutter configured to control passage of light to the first eye based at least in part on a first control signal, the first LCD shutter is configured to operate in a first primary mode and a first secondary mode, wherein the first LCD shutter is configured to allow less light to reach the first eye in the first secondary mode than in the first primary mode.Type: GrantFiled: September 25, 2014Date of Patent: February 21, 2017Assignee: GN OTOMETRICS A/SInventors: Hamish MacDougall, Konrad P. Weber, Anders Thøsing Andersen, Izaak Kopilewicz
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Publication number: 20160287143Abstract: A system for detecting and recording head orientations of a person includes: a first sensor device capable of providing sensor data regarding a head orientation of a person in a three-dimensional space; a medical data acquisition system configured for storing and outputting the sensor data from the first sensor device; and a processor configured for processing the sensor data from the medical data acquisition system, outputting a first signal representing the head orientation, and generating an image for presentation by a graphical display; wherein the image comprises: a first reference indicator; an orientation indicator, wherein a position of the orientation indicator in the image is determined based on the first signal from the processor, and a feedback indicator when a first condition is met.Type: ApplicationFiled: April 14, 2015Publication date: October 6, 2016Applicant: GN OTOMETRICS A/SInventors: Hamish MACDOUGALL, Robert NYGREN, Wendy CRUMLEY-WELSH
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Publication number: 20160143527Abstract: A head mountable device for measuring eye movement of a user, the head mountable device includes: a frame; a camera system comprising a first camera, wherein the camera system is configured to obtain a first set of images of a first eye of the user; and a projection system for projecting a first projection comprising a visible object in a field of view of the first eye when the user wears the head mountable device, wherein the projection system is configured to move the visible object relative to the head mountable device.Type: ApplicationFiled: November 20, 2014Publication date: May 26, 2016Applicant: GN OTOMETRICS A/SInventor: Hamish MACDOUGALL
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Publication number: 20160081546Abstract: A head mountable device for measuring eye movement includes: a frame; a camera system comprising a first camera, wherein the camera system is coupled to the frame, and is configured to obtain a first set of images of a first eye of a user; and a first liquid crystal display (LCD) shutter configured to control passage of light to the first eye based at least in part on a first control signal, the first LCD shutter is configured to operate in a first primary mode and a first secondary mode, wherein the first LCD shutter is configured to allow less light to reach the first eye in the first secondary mode than in the first primary mode.Type: ApplicationFiled: September 25, 2014Publication date: March 24, 2016Applicant: GN OTOMETRICS A/SInventor: Hamish MACDOUGALL
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Publication number: 20080049186Abstract: A goggle based light-weight VOG system includes at least one digital camera connected to and powered by a laptop computer through a firewire connection and allows for high speed pupil dilation tracking. An EOG system may be incorporated directly into a goggle base. The digital camera may digitally center the pupil in both the X and Y directions. A calibration mechanism may be incorporated onto the goggle base. The VOG system may track and record head position and goggle slippage. An animated eye display may provide data in a more meaningful fashion. The VOG system may be a modular design whereby the same goggle frame or base is used to build a variety of digital camera VOG systems.Type: ApplicationFiled: October 29, 2007Publication date: February 28, 2008Applicant: NEURO KINETICS, INC.Inventors: Hamish MacDougall, Alexander Kiderman, John Schroeder, Thomas Joos, Floris Wuyts, Steven Moore
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Publication number: 20080049187Abstract: A goggle based light-weight VOG system includes at least one digital camera connected to and powered by a laptop computer through a firewire connection and allows for region of interest image processing. An EOG system may be incorporated directly into a goggle base. The digital camera may digitally center the pupil in both the X and Y directions. A calibration mechanism may be incorporated onto the goggle base. The VOG system may track and record head position and goggle slippage. An animated eye display may provide data in a more meaningful fashion. The VOG system may be a modular design whereby the same goggle frame or base is used to build a variety of digital camera VOG systems.Type: ApplicationFiled: October 29, 2007Publication date: February 28, 2008Applicant: NEURO KINETICS, INC.Inventors: Thomas Joos, Alexander Kiderman, John Schroeder, Floris Wuyts, Steven Moore, Hamish MacDougall
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Publication number: 20070177103Abstract: A device (1) for measuring the three-dimensional movements of an eye includes: (a) a marker array (6) that identifies prescribed positions on the eye whose movements are to be measured, (b) a digital camera (2) for capturing the two-dimensional images of this marker array (6) as the eye is moved, (c) a light source (12) that illuminates the marker array (6) with an output that is outside the spectral range of the camera (2), (d) light sources (20) that are used to align the camera's optical axis with the center of the eye, (e) an algorithm for computing the three-dimensional positions of the marker array (6) from the information contained in the captured digital images, and (f) a base (16) for fixing the position of the camera relative to the position of the eye, wherein the materials of the marker array (6) are chosen so that the array has the ability to, when illuminated as described above, give off energy that is in the spectral range of the device's camera (2).Type: ApplicationFiled: February 4, 2005Publication date: August 2, 2007Inventors: Americo Migliaccio, Charles Della Santina, Hamish MacDougall
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Publication number: 20070132841Abstract: A goggle based light-weight VOG system includes an integral calibration laser and at least one digital camera connected to and powered by a laptop computer through a firewire connection. The digital camera may digitally center the pupil in both the X and Y directions. A calibration mechanism may be incorporated onto the goggle base. An EOG system may also be incorporated directly into the goggle. The VOG system may track and record 3-D movement of the eye, track pupil dilation, head position and goggle slippage. An animated eye display provides data in a more meaningful fashion. The VOG system is a modular design whereby the same goggle frame or base is used to build a variety of digital camera VOG systems.Type: ApplicationFiled: October 13, 2006Publication date: June 14, 2007Applicant: NEURO KINETICS, INC.Inventors: Hamish MacDougall, Alexander Kiderman, John Schroeder, Thomas Joos, Floris Wuyts, Steven Moore
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Publication number: 20070121068Abstract: A goggle based light-weight VOG system includes at least one digital camera connected to and powered by a laptop computer through a firewire connection together with an integral visual light stimulus source. The digital camera may digitally center the pupil in both the X and Y directions. A calibration mechanism may be incorporated onto the goggle base. An EOG system may also be incorporated directly into the goggle. The VOG system may track and record 3-D movement of the eye, track pupil dilation, head position and goggle slippage. An animated eye display provides data in a more meaningful fashion. The VOG system is a modular design whereby the same goggle frame or base is used to build a variety of digital camera VOG systems.Type: ApplicationFiled: October 13, 2006Publication date: May 31, 2007Applicant: NEURO KINETICS, INC.Inventors: Hamish MacDougall, Alexander Kiderman, John Schroeder, Thomas Joos, Floris Wuyts, Steven Moore
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Publication number: 20050099601Abstract: A goggle based light-weight VOG system includes at least one digital camera connected to and powered by a laptop computer through a firewire connection. The digital camera may digitally center the pupil in both the X and Y directions. A calibration mechanism may be incorporated onto the goggle base. An EOG system may also be incorporated directly into the goggle. The VOG system may track and record 3-D movement of the eye, track pupil dilation, head position and goggle slippage. An animated eye display provides data in a more meaningful fashion. The VOG system is a modular design whereby the same goggle frame or base is used to build a variety of digital camera VOG systems.Type: ApplicationFiled: November 7, 2003Publication date: May 12, 2005Inventors: Hamish MacDougall, Alexander Kiderman, John Schroeder, Thomas Joos, Floris Wuyts, Steven Moore