Patents by Inventor Edward R. Dowski, Jr.
Edward R. Dowski, Jr. 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: 20230148273Abstract: A coded localization system includes a plurality of optical channels arranged to cooperatively capture information from a scene. Each optical channel includes (i) a respective multi-pixel detector and (ii) a respective localization code, located between the respective multi-pixel detector and the scene, that modifies electromagnetic energy passing therethrough. Each localization code (i) includes at least one of an amplitude mask, a phase mask, and a polarizer, and (ii) differs from the respective localization code of each other of the plurality of optical channels.Type: ApplicationFiled: November 14, 2022Publication date: May 11, 2023Inventors: Gregory Johnson, Edward R. Dowski, JR.
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Patent number: 11499816Abstract: A coded localization system includes a plurality of optical channels arranged to cooperatively distribute electromagnetic energy from at least one object onto a plurality of detectors. Each of the channels includes a localization code that is different from any other localization code in other channels, to modify electromagnetic energy passing therethrough. Digital outputs from the detectors are processable to determine sub-pixel localization of the object onto the detectors, such that a location of the object is determined more accurately than by detector geometry alone. Another coded localization system includes a plurality of optical channels arranged to cooperatively distribute a partially polarized signal onto a plurality of pixels. Each of the channels includes a polarization code that is different from any other polarization code in other channels to uniquely polarize electromagnetic energy passing therethrough. Digital outputs from the detectors are processable to determine a polarization pattern.Type: GrantFiled: July 16, 2018Date of Patent: November 15, 2022Assignee: ASCENTIA IMAGING, INC.Inventors: Gregory Johnson, Edward R. Dowski, Jr.
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Patent number: 11092662Abstract: In an embodiment, an optical sensor includes (i) a first lens array including a plurality of first lenses, (ii) a photodetector array including a plurality of photodetectors each aligned with a respective one of the plurality of first lenses, and (iii) a plurality of signal-modifying elements each aligned with a respective one of the plurality of first lenses. The plurality of signal-modifying elements includes (a) a first signal-modifying optical element having a first spatially-dependent transmission function, and (b) a second signal-modifying optical element having a second spatially-dependent transmission function differing from the first spatially-dependent transmission function.Type: GrantFiled: August 21, 2017Date of Patent: August 17, 2021Assignee: Ascentia Imaging, Inc.Inventors: Edward R. Dowski, Jr., Gregory Johnson
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Patent number: 11009584Abstract: A method for determining a localization parameter of an object includes generating a plurality of estimates of a first frequency-domain amplitude of a baseband signal from the object, each estimate corresponding one of a plurality of temporal segments of the baseband signal. The method also includes determining the first frequency-domain amplitude as most common value of the plurality of estimates, and determining the localization parameter therefrom. A localization system includes a memory and a microprocessor. The memory stores instructions and is configured to store a baseband signal having a temporal frequency component and a corresponding first frequency-domain amplitude. The microprocessor is adapted to execute the instructions to: (i) generate a plurality of estimates of the first frequency-domain amplitude each corresponding to a respective one of a plurality of temporal segments of the baseband signal, and (ii) determine the first frequency-domain amplitude as the most common value of the estimates.Type: GrantFiled: December 22, 2016Date of Patent: May 18, 2021Assignee: ASCENTIA IMAGING, INC.Inventors: Edward R. Dowski, Jr., Gregory Johnson
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Publication number: 20190011530Abstract: A method for determining a localization parameter of an object includes generating a plurality of estimates of a first frequency-domain amplitude of a baseband signal from the object, each estimate corresponding one of a plurality of temporal segments of the baseband signal. The method also includes determining the first frequency-domain amplitude as most common value of the plurality of estimates, and determining the localization parameter therefrom. A localization system includes a memory and a microprocessor. The memory stores instructions and is configured to store a baseband signal having a temporal frequency component and a corresponding first frequency-domain amplitude. The microprocessor is adapted to execute the instructions to: (i) generate a plurality of estimates of the first frequency-domain amplitude each corresponding to a respective one of a plurality of temporal segments of the baseband signal, and (ii) determine the first frequency-domain amplitude as the most common value of the estimates.Type: ApplicationFiled: December 22, 2016Publication date: January 10, 2019Inventors: Edward R. DOWSKI, JR., Gregory JOHNSON
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Publication number: 20180328715Abstract: A coded localization system includes a plurality of optical channels arranged to cooperatively distribute electromagnetic energy from at least one object onto a plurality of detectors. Each of the channels includes a localization code that is different from any other localization code in other channels, to modify electromagnetic energy passing therethrough. Digital outputs from the detectors are processable to determine sub-pixel localization of the object onto the detectors, such that a location of the object is determined more accurately than by detector geometry alone. Another coded localization system includes a plurality of optical channels arranged to cooperatively distribute a partially polarized signal onto a plurality of pixels. Each of the channels includes a polarization code that is different from any other polarization code in other channels to uniquely polarize electromagnetic energy passing therethrough. Digital outputs from the detectors are processable to determine a polarization pattern.Type: ApplicationFiled: July 16, 2018Publication date: November 15, 2018Inventors: Gregory Johnson, Edward R. Dowski, JR.
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Patent number: 10126114Abstract: An angular localization system for determining an object's location includes a signal processor and three channels have a respective first, second, and third photodetector. The first channel images a first portion of an optical signal from which the first photodetector generates a first electrical signal. The second channel images a second portion of the optical signal onto a slow-varying optical mask having a strictly monotonic transmissivity along a dimension x. The second photodetector converts the second portion into a second electrical signal. The third channel images a third portion of the optical signal onto a fast-varying optical mask having a spatially-varying transmissivity having a same value at more than one value of x. The third photodetector converts the third portion into a third electrical signal. The signal processor is configured to determine, from each electrical signal, a respective signal amplitude, and determine the location parameter by comparing the signal amplitudes.Type: GrantFiled: May 23, 2016Date of Patent: November 13, 2018Assignee: Ascentia Imaging, Inc.Inventors: Edward R. Dowski, Jr., Gregory Johnson
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Patent number: 10024651Abstract: A coded localization system includes a plurality of optical channels arranged to cooperatively distribute electromagnetic energy from at least one object onto a plurality of detectors. Each of the channels includes a localization code that is different from any other localization code in other channels, to modify electromagnetic energy passing therethrough. Digital outputs from the detectors are processable to determine sub-pixel localization of the object onto the detectors, such that a location of the object is determined more accurately than by detector geometry alone. Another coded localization system includes a plurality of optical channels arranged to cooperatively distribute a partially polarized signal onto a plurality of pixels. Each of the channels includes a polarization code that is different from any other polarization code in other channels to uniquely polarize electromagnetic energy passing therethrough. Digital outputs from the detectors are processable to determine a polarization pattern.Type: GrantFiled: December 29, 2016Date of Patent: July 17, 2018Assignee: ASCENTIA IMAGING, INC.Inventors: Gregory Johnson, Edward R. Dowski, Jr.
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Patent number: 9912913Abstract: A method of one aspect may include receiving an encapsulated image acquisition device having an internal memory. The internal memory may store images acquired by the encapsulated image acquisition device. The images may be transferred from the internal memory to an external memory that is external to the encapsulated image acquisition device. An image analysis station may be selected from among a plurality of image analysis stations to analyze the images. The images may be analyzed with the selected image analysis station. Other methods, systems, and kits are also disclosed.Type: GrantFiled: August 7, 2013Date of Patent: March 6, 2018Assignee: OmniVision Technologies, Inc.Inventors: Gregory E. Johnson, Edward R. Dowski, Jr.
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Publication number: 20180003793Abstract: In an embodiment, an optical sensor includes (i) a first lens array including a plurality of first lenses, (ii) a photodetector array including a plurality of photodetectors each aligned with a respective one of the plurality of first lenses, and (iii) a plurality of signal-modifying elements each aligned with a respective one of the plurality of first lenses. The plurality of signal-modifying elements includes (a) a first signal-modifying optical element having a first spatially-dependent transmission function, and (b) a second signal-modifying optical element having a second spatially-dependent transmission function differing from the first spatially-dependent transmission function.Type: ApplicationFiled: August 21, 2017Publication date: January 4, 2018Inventors: Edward R. Dowski, JR., Gregory Johnson
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Patent number: 9819908Abstract: A method of one aspect may include receiving an encapsulated image acquisition device having an internal memory. The internal memory may store images acquired by the encapsulated image acquisition device. The images may be transferred from the internal memory to an external memory that is external to the encapsulated image acquisition device. An image analysis station may be selected from among a plurality of image analysis stations to analyze the images. The images may be analyzed with the selected image analysis station. Other methods, systems, and kits are also disclosed.Type: GrantFiled: August 7, 2013Date of Patent: November 14, 2017Assignee: Omnivision Technologies, Inc.Inventors: Gregory E. Johnson, Edward R. Dowski, Jr.
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Patent number: 9807347Abstract: A method of one aspect may include receiving an encapsulated image acquisition device having an internal memory. The internal memory may store images acquired by the encapsulated image acquisition device. The images may be transferred from the internal memory to an external memory that is external to the encapsulated image acquisition device. An image analysis station may be selected from among a plurality of image analysis stations to analyze the images. The images may be analyzed with the selected image analysis station. Other methods, systems, and kits are also disclosed.Type: GrantFiled: August 7, 2013Date of Patent: October 31, 2017Assignee: OMNIVISION TECHNOLOGIES, INC.Inventors: Gregory E. Johnson, Edward R. Dowski, Jr.
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Patent number: 9739864Abstract: In an embodiment, a guidance system determines a location parameter of an object, and includes: at least one oscillating element located at the object for emitting modulated optical radiation; at least two mutually distinct signal-modifying electro-optical sensors, each of the electro-optical sensors having a detector and a demodulator for generating a demodulated electrical signal in response to detection of at least a portion of the modulated optical radiation; and a processor for determining the location parameter from the demodulated electrical signals. In another embodiment, a guidance system has aberration-corrected imaging and includes: a plurality of electro-optical sensors sharing a field of view and mutually distinctly providing a respective plurality of altered images therefrom; and an image generator module for linearly and non-linearly processing spatial frequency properties of the plurality of altered images to synthesize an aberration-corrected image for the imaging system.Type: GrantFiled: January 28, 2014Date of Patent: August 22, 2017Assignee: ASCENTIA IMAGING, INC.Inventors: Edward R. Dowski, Jr., Gregory Johnson
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Publication number: 20170108330Abstract: A coded localization system includes a plurality of optical channels arranged to cooperatively distribute electromagnetic energy from at least one object onto a plurality of detectors. Each of the channels includes a localization code that is different from any other localization code in other channels, to modify electromagnetic energy passing therethrough. Digital outputs from the detectors are processable to determine sub-pixel localization of the object onto the detectors, such that a location of the object is determined more accurately than by detector geometry alone. Another coded localization system includes a plurality of optical channels arranged to cooperatively distribute a partially polarized signal onto a plurality of pixels. Each of the channels includes a polarization code that is different from any other polarization code in other channels to uniquely polarize electromagnetic energy passing therethrough. Digital outputs from the detectors are processable to determine a polarization pattern.Type: ApplicationFiled: December 29, 2016Publication date: April 20, 2017Inventors: Gregory Johnson, Edward R. Dowski, JR.
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Patent number: 9534884Abstract: A coded localization system includes a plurality of optical channels arranged to cooperatively image at least one object onto a plurality of detectors. Each of the channels includes a localization code that is different from any other localization code in other channels, to modify electromagnetic energy passing therethrough. Output digital images from the detectors are processable to determine sub-pixel localization of the object onto the detectors, such that a location of the object is determined more accurately than by detector geometry alone. Another coded localization system includes a plurality of optical channels arranged to cooperatively image partially polarized data onto a plurality of pixels. Each of the channels includes a polarization code that is different from any other polarization code in other channels to uniquely polarize electromagnetic energy passing therethrough. Output digital images from the detectors are processable, to determine a polarization pattern for a user of the system.Type: GrantFiled: January 3, 2013Date of Patent: January 3, 2017Assignee: ASCENTIA IMAGING, INC.Inventors: Edward R. Dowski, Jr., Bradley Sissom, Gregory Johnson
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Publication number: 20160350445Abstract: Arrayed imaging systems include an array of detectors formed with a common base and a first array of layered optical elements, each one of the layered optical elements being optically connected with a detector in the array of detectors.Type: ApplicationFiled: August 15, 2016Publication date: December 1, 2016Inventors: Edward R. Dowski, JR., Paulo E.X. Silvieri, George C. Barnes, IV, Vladislav V. Chumachenko, Dennis W. Dobbs, Regis S. Fan, Gregory E. Johnson, Miodrag Scepanovic, Satoru Tachihara, Christopher J. Linnen, Inga Tamayo, Donald Combs, Howard E. Rhodes, James He, John J. Mader, Goran M. Rauker, Kenneth Kubala, Mark Meloni, Brian Schwartz, Robert Cormack, Michael Hepp, Kenneth Ashley Macon, Gary L. Duerksen
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Publication number: 20160341540Abstract: An angular localization system for determining an object's location includes a signal processor and three channels have a respective first, second, and third photodetector. The first channel images a first portion of an optical signal from which the first photodetector generates a first electrical signal. The second channel images a second portion of the optical signal onto a slow-varying optical mask having a strictly monotonic transmissivity along a dimension x. The second photodetector converts the second portion into a second electrical signal. The third channel images a third portion of the optical signal onto a fast-varying optical mask having a spatially-varying transmissivity having a same value at more than one value of x. The third photodetector converts the third portion into a third electrical signal. The signal processor is configured to determine, from each electrical signal, a respective signal amplitude, and determine the location parameter by comparing the signal amplitudes.Type: ApplicationFiled: May 23, 2016Publication date: November 24, 2016Inventors: Edward R. Dowski, JR., Gregory Johnson
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Patent number: 9471994Abstract: Systems and methods for generating images of an object having a known object velocity include imaging electromagnetic radiation from the object onto a sensor array of an imaging system, adjusting at least one of a shutter rate and a shutter direction of the imaging system in accordance with an image velocity of the image across the sensor array, and sampling output of the sensor array in accordance with the shutter rate and the shutter direction to generate the images. Systems and methods for generating images of an object moving through a scene include a first imaging system generating image data samples of the scene, a post processing system that analyzes the samples to determine when the object is present in the scene, and one or more second imaging systems triggered by the post processing system to generate one or more second image data samples of the object.Type: GrantFiled: November 25, 2013Date of Patent: October 18, 2016Assignee: OmniVision Technologies, Inc.Inventors: Edward R. Dowski, Jr., Kenneth S. Kubala, Hans Brandon Wach
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Patent number: 9418193Abstract: Arrayed imaging systems include an array of detectors formed with a common base and a first array of layered optical elements, each one of the layered optical elements being optically connected with a detector in the array of detectors.Type: GrantFiled: December 2, 2013Date of Patent: August 16, 2016Assignee: OmniVision Technologies, Inc.Inventors: Edward R. Dowski, Jr., Paulo E. X. Silvieri, George C. Barnes, IV, Vladislav V. Chumachenko, Dennis W. Dobbs, Regis S. Fan, Gregory E. Johnson, Miodrag Scepanovic, Satoru Tachihara, Christopher J. Linnen, Inga Tamayo, Donald Combs, Howard E. Rhodes, James He, John J. Mader, Kenneth Kubala, Mark Meloni, Brian Schwartz, Robert Cormack, Michael Hepp, Gary L. Duerksen
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Publication number: 20140220713Abstract: Arrayed imaging systems include an array of detectors formed with a common base and a first array of layered optical elements, each one of the layered optical elements being optically connected with a detector in the array of detectors.Type: ApplicationFiled: December 2, 2013Publication date: August 7, 2014Applicant: Omnivision Technologies Inc.Inventors: Edward R. Dowski, JR., Paulo E.X. Silvieri, George C. Bames, IV, Vladislav V. Chumachenko, Dennis W. Dobbs, Regis S. Fan, Gregory E. Johnson, Miodrag Scepanovic, Satoru Tachihara, Christopher J. Linnen, Inga Tamayo, Donald Combs, Howard E. Rhodes, James He, John J. Mader, Goran M. Rauker, Kenneth Kubala, Mark Meloni, Brian Schwartz, Robert Cormack, Michael Hepp, Kenneth Ashley Macon, Gary L. Duerksen