Patents by Inventor Jawad Nawasra
Jawad Nawasra 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: 20220364849Abstract: Depth mapping apparatus includes an illumination assembly, which directs modulated optical radiation toward a target scene, and a camera, which captures a two-dimensional image of the target scene. A range sensor senses respective times of flight of photons reflected from a matrix of locations disposed across the target scene. A processor derives first depth coordinates of the matrix of locations responsively to the respective times of flight, derives second depth coordinates of the matrix of locations responsively to a transverse disparity between features in the two-dimensional image and corresponding reference features in a reference image, computes a disparity correction function based on a difference between the first and the second depth coordinates at the matrix of locations, corrects the transverse disparity between the two-dimensional image and the reference image using the disparity correction function, and generates a depth map of the target scene based on the corrected transverse disparity.Type: ApplicationFiled: March 8, 2022Publication date: November 17, 2022Inventors: Shay Yosub, Assaf Avraham, Jawad Nawasra, Jonathan Pokrass, Moshe Laifenfeld, Nir Ben Zadok, Niv Gilboa, Tal Kaitz, Ronen Akerman, Naveh Levanon
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Patent number: 11255972Abstract: A light beam scanning device includes a lens element assembly which dynamically adjusts a divergence of the beam. The lens element assembly can include multiple lens elements, one or more of which translates parallel to the light beam to adjust beam divergence. Divergence adjustment can include adjusting the beam divergence along one or more cross sectional axes of the beam. Beam divergence can be adjusted between consecutive scans, during a scan, etc. Beam divergence can be adjusted based on the field of view and scan rate. Beam divergence adjustment can enable dynamic adjustment of the spot size of the beam, which can enable the apparatus to adjust between scanning a wide divergence beam to detect objects in a scene and scanning a narrow divergence beam to generate detailed point clouds of the detected objects. Beam divergence adjustment can enable adjustment of reflection point intensity, enabling detection of low-reflectivity objects.Type: GrantFiled: September 28, 2018Date of Patent: February 22, 2022Assignee: Apple Inc.Inventors: Micah P. Kalscheur, Jawad Nawasra
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Patent number: 10215553Abstract: Embodiments described include a system comprising a position sensing device (PSD) and a light source. The light source is configured to, by passing one or more light beams through the PSD, cause one or more electrical currents to flow through the PSD. The system further comprises a processor, configured to (i) in response to the electrical currents, ascertain an amount of power that is delivered by the light source, and (ii) in response to the amount of power exceeding a threshold amount of power, inhibit the light source from further operation. Other embodiments are also described.Type: GrantFiled: March 10, 2016Date of Patent: February 26, 2019Assignee: Apple Inc.Inventors: Jawad Nawasra, Matthew C. Waldon, Scott T. Smith, Thomas M. Gregory
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Publication number: 20190041521Abstract: A light beam scanning device includes a lens element assembly which dynamically adjusts a divergence of the beam. The lens element assembly can include multiple lens elements, one or more of which translates parallel to the light beam to adjust beam divergence. Divergence adjustment can include adjusting the beam divergence along one or more cross sectional axes of the beam. Beam divergence can be adjusted between consecutive scans, during a scan, etc. Beam divergence can be adjusted based on the field of view and scan rate. Beam divergence adjustment can enable dynamic adjustment of the spot size of the beam, which can enable the apparatus to adjust between scanning a wide divergence beam to detect objects in a scene and scanning a narrow divergence beam to generate detailed point clouds of the detected objects. Beam divergence adjustment can enable adjustment of reflection point intensity, enabling detection of low-reflectivity objects.Type: ApplicationFiled: September 28, 2018Publication date: February 7, 2019Applicant: Apple Inc.Inventors: Micah P. Kalscheur, Jawad Nawasra
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Patent number: 10107914Abstract: A light beam scanning device includes a lens element assembly which dynamically adjusts a divergence of the beam. The lens element assembly can include multiple lens elements, one or more of which translates parallel to the light beam to adjust beam divergence. Divergence adjustment can include adjusting the beam divergence along one or more cross sectional axes of the beam. Beam divergence can be adjusted between consecutive scans, during a scan, etc. Beam divergence can be adjusted based on the field of view and scan rate. Beam divergence adjustment can enable dynamic adjustment of the spot size of the beam, which can enable the apparatus to adjust between scanning a wide divergence beam to detect objects in a scene and scanning a narrow divergence beam to generate detailed point clouds of the detected objects. Beam divergence adjustment can enable adjustment of reflection point intensity, enabling detection of low-reflectivity objects.Type: GrantFiled: February 20, 2015Date of Patent: October 23, 2018Assignee: Apple Inc.Inventors: Micah P. Kalscheur, Jawad Nawasra
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Patent number: 9971948Abstract: Imaging apparatus includes an image capture device, which includes an optical transmitter, which is configured to emit one or more pulses of infrared radiation toward an area containing a body surface of a living subject, and an optical receiver, which is configured to receive the pulses reflected from the body surface and to generate an output indicative of a modulation of the pulses by tissue below the body surface. A processor is configured to generate, based on the modulation of the pulses, an image of blood vessels located beneath the body surface within the area.Type: GrantFiled: November 12, 2015Date of Patent: May 15, 2018Assignee: APPLE INC.Inventors: Andrew T. Herrington, Jawad Nawasra, Scott T. Smith
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Patent number: 9921299Abstract: A light beam scanning device includes a controller device which dynamically adjusts a divergence of the beam. Divergence adjustment can include adjusting the beam divergence along one or more cross sectional axes of the beam. Beam divergence can be adjusted between consecutive scans, during a scan, etc. Beam divergence can be adjusted based on the field of view and scan rate. Beam divergence adjustment can enable dynamic adjustment of the spot size of the beam, which can enable the apparatus to adjust between scanning a wide divergence beam to detect objects in a scene and scanning a narrow divergence beam to generate detailed point clouds of the detected objects. Beam divergence adjustment can enable adjustment of reflection point intensity, enabling detection of low-reflectivity objects.Type: GrantFiled: February 20, 2015Date of Patent: March 20, 2018Assignee: Apple Inc.Inventors: Micah P. Kalscheur, Jawad Nawasra
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Patent number: 9829445Abstract: An apparatus for testing diffraction or diffusion of a light beam is provided. The apparatus includes a photosensitive semiconductor, shaped to define an aperture. At least one anode, and a plurality of cathodes, are coupled to the semiconductor. An optical element, configured to modify an angular spread of a light beam that traverses the optical element, is disposed within the aperture. A detector is configured to detect electric currents that pass between the cathodes and the anode in response to a portion of the light beam exiting the optical element and hitting the semiconductor. Other embodiments are also described.Type: GrantFiled: December 3, 2015Date of Patent: November 28, 2017Assignee: APPLE INC.Inventors: Jawad Nawasra, Yazan Z. Alnahhas
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Publication number: 20170160209Abstract: An apparatus for testing diffraction or diffusion of a light beam is provided. The apparatus includes a photosensitive semiconductor, shaped to define an aperture. At least one anode, and a plurality of cathodes, are coupled to the semiconductor. An optical element, configured to modify an angular spread of a light beam that traverses the optical element, is disposed within the aperture. A detector is configured to detect electric currents that pass between the cathodes and the anode in response to a portion of the light beam exiting the optical element and hitting the semiconductor. Other embodiments are also described.Type: ApplicationFiled: December 3, 2015Publication date: June 8, 2017Inventors: Jawad Nawasra, Yazan Z. Alnahhas
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Patent number: 9525863Abstract: Imaging apparatus includes an image sensor, which acquires an image of a scene, and a scanner, which includes an optical transmitter, which emits a sequence of optical pulses toward the scene, and an optical receiver, which receives the optical pulses reflected from the scene and generates an output indicative of respective times of flight of the pulses. Scanning optics are configured to scan the optical pulses over the scene in a scan pattern that covers and is contained within a non-rectangular area within the scene. A processor identifies an object in the image of the scene, defines the non-rectangular area so as to contain the identified object, and processes the output of the optical receiver so as to extract a three-dimensional (3D) map of the object.Type: GrantFiled: April 29, 2015Date of Patent: December 20, 2016Assignee: APPLE INC.Inventors: Jawad Nawasra, Scott T. Smith
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Publication number: 20160323562Abstract: Imaging apparatus includes an image sensor, which acquires an image of a scene, and a scanner, which includes an optical transmitter, which emits a sequence of optical pulses toward the scene, and an optical receiver, which receives the optical pulses reflected from the scene and generates an output indicative of respective times of flight of the pulses. Scanning optics are configured to scan the optical pulses over the scene in a scan pattern that covers and is contained within a non-rectangular area within the scene. A processor identifies an object in the image of the scene, defines the non-rectangular area so as to contain the identified object, and processes the output of the optical receiver so as to extract a three-dimensional (3D) map of the object.Type: ApplicationFiled: April 29, 2015Publication date: November 3, 2016Inventors: Jawad Nawasra, Scott T. Smith
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Publication number: 20160265902Abstract: Embodiments described include a system comprising a position sensing device (PSD) and a light source. The light source is configured to, by passing one or more light beams through the PSD, cause one or more electrical currents to flow through the PSD. The system further comprises a processor, configured to (i) in response to the electrical currents, ascertain an amount of power that is delivered by the light source, and (ii) in response to the amount of power exceeding a threshold amount of power, inhibit the light source from further operation. Other embodiments are also described.Type: ApplicationFiled: March 10, 2016Publication date: September 15, 2016Inventors: Jawad Nawasra, Matthew C. Waldon, Scott T. Smith, Thomas M. Gregory
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Publication number: 20160245903Abstract: A light beam scanning device includes a controller device which dynamically adjusts a divergence of the beam. Divergence adjustment can include adjusting the beam divergence along one or more cross sectional axes of the beam. Beam divergence can be adjusted between consecutive scans, during a scan, etc. Beam divergence can be adjusted based on the field of view and scan rate. Beam divergence adjustment can enable dynamic adjustment of the spot size of the beam, which can enable the apparatus to adjust between scanning a wide divergence beam to detect objects in a scene and scanning a narrow divergence beam to generate detailed point clouds of the detected objects. Beam divergence adjustment can enable adjustment of reflection point intensity, enabling detection of low-reflectivity objects.Type: ApplicationFiled: February 20, 2015Publication date: August 25, 2016Applicant: APPLE INC.Inventors: Micah P. Kalscheur, Jawad Nawasra
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Publication number: 20160245919Abstract: A light beam scanning device includes a lens element assembly which dynamically adjusts a divergence of the beam. The lens element assembly can include multiple lens elements, one or more of which translates parallel to the light beam to adjust beam divergence. Divergence adjustment can include adjusting the beam divergence along one or more cross sectional axes of the beam. Beam divergence can be adjusted between consecutive scans, during a scan, etc. Beam divergence can be adjusted based on the field of view and scan rate. Beam divergence adjustment can enable dynamic adjustment of the spot size of the beam, which can enable the apparatus to adjust between scanning a wide divergence beam to detect objects in a scene and scanning a narrow divergence beam to generate detailed point clouds of the detected objects. Beam divergence adjustment can enable adjustment of reflection point intensity, enabling detection of low-reflectivity objects.Type: ApplicationFiled: February 20, 2015Publication date: August 25, 2016Applicant: Apple Inc.Inventors: Micah P. Kalscheur, Jawad Nawasra