Patents by Inventor Scott T. Smith

Scott T. Smith 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).

  • Patent number: 10215553
    Abstract: 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: Grant
    Filed: March 10, 2016
    Date of Patent: February 26, 2019
    Assignee: Apple Inc.
    Inventors: Jawad Nawasra, Matthew C. Waldon, Scott T. Smith, Thomas M. Gregory
  • Publication number: 20190004156
    Abstract: An optical sensing device includes a light source, which is configured to emit one or more beams of light pulses at respective angles toward a target scene. An array of sensing elements is configured to output signals in response to incidence of photons on the sensing elements. Light collection optics are configured to image the target scene onto the array. Control circuitry is coupled to actuate the sensing elements only in one or more selected regions of the array, each selected region containing a respective set of the sensing elements in a part of the array onto which the light collection optics image a corresponding area of the target scene that is illuminated by the one of the beams, and to adjust a membership of the respective set responsively to a distance of the corresponding area from the device.
    Type: Application
    Filed: April 11, 2018
    Publication date: January 3, 2019
    Inventors: Cristiano L. Niclass, Scott T. Smith, Thierry Oggier
  • Patent number: 9971948
    Abstract: 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: Grant
    Filed: November 12, 2015
    Date of Patent: May 15, 2018
    Assignee: APPLE INC.
    Inventors: Andrew T. Herrington, Jawad Nawasra, Scott T. Smith
  • Publication number: 20180081062
    Abstract: Optical apparatus includes a scanning line projector, which is configured to scan a line of radiation across a scene. A receiver includes an array of sensing elements, which are configured to output signals in response to the radiation that is incident thereon, and collection optics configured to image the scene onto the array, such that each sensing element receives the radiation reflected from a corresponding point in the scene. A processor is coupled to receive the signals output by the sensing elements, to identify respective times of passage of the scanned line across the points in the scene by comparing a time-dependent waveform of the signals from the corresponding sensing elements to an expected waveform, and to derive depth coordinates of the points in the scene from the respective times of passage.
    Type: Application
    Filed: September 11, 2017
    Publication date: March 22, 2018
    Inventors: Thierry Oggier, Scott T. Smith, Andrew Herrington
  • Patent number: 9568604
    Abstract: A camera includes a pulse transmitter for transmitting at a transmit time through an aperture and along an optical path to a target a coherent electromagnetic ranging pulse at a first wavelength range outside the visible spectrum. In some embodiments, the camera includes a reflected pulse detector for receiving a reflected electromagnetic pulse reflected by the target back along the optical path and through the aperture at a detect time subsequent to the transmit time. In some embodiments, the camera includes a shutter positioned for shielding the pulse detector from at least transmit time to an intermediate time between the transmit time and the detect time. In some embodiments, the shutter includes a layer of semiconductor material placed in the optical path at a point between the target and the detector.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: February 14, 2017
    Assignee: Apple Inc.
    Inventors: Scott T Smith, Iain A. McAllister, Jeffrey N. Gleason, Neil MacKinnon
  • Patent number: 9525863
    Abstract: 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: Grant
    Filed: April 29, 2015
    Date of Patent: December 20, 2016
    Assignee: APPLE INC.
    Inventors: Jawad Nawasra, Scott T. Smith
  • Publication number: 20160323562
    Abstract: 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: Application
    Filed: April 29, 2015
    Publication date: November 3, 2016
    Inventors: Jawad Nawasra, Scott T. Smith
  • Publication number: 20160265902
    Abstract: 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: Application
    Filed: March 10, 2016
    Publication date: September 15, 2016
    Inventors: Jawad Nawasra, Matthew C. Waldon, Scott T. Smith, Thomas M. Gregory
  • Patent number: 9285477
    Abstract: A light detection and ranging (LIDAR) system has an emitter which produces a sequence of outgoing pulses of coherent collimated light that transmitted in a given direction, a mirror system having a scanning mirror that is positioned to deflect the outgoing pulse sequence towards a scene, and a detector collocated with the emitter and aimed to detect a sequence of incoming pulses being reflections of the outgoing pulses that are returning from said given direction and have been deflected by the scanning mirror. An electronic controller communicates with the emitter and the detector and controls the scanning mirror, so that the outgoing pulses scan the scene and the controller computes a radial distance or depth for each pair of outgoing and incoming pulses and uses the computed radial distance to provide a scanned 3D depth map of objects in the scene. Other embodiments are also described.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: March 15, 2016
    Assignee: Apple Inc.
    Inventors: Scott T. Smith, Matthew E. Last, Edward A. Valko
  • Publication number: 20150355326
    Abstract: A camera includes a pulse transmitter for transmitting at a transmit time through an aperture and along an optical path to a target a coherent electromagnetic ranging pulse at a first wavelength range outside the visible spectrum. In some embodiments, the camera includes a reflected pulse detector for receiving a reflected electromagnetic pulse reflected by the target back along the optical path and through the aperture at a detect time subsequent to the transmit time. In some embodiments, the camera includes a shutter positioned for shielding the pulse detector from at least transmit time to an intermediate time between the transmit time and the detect time. In some embodiments, the shutter includes a layer of semiconductor material placed in the optical path at a point between the target and the detector.
    Type: Application
    Filed: June 4, 2014
    Publication date: December 10, 2015
    Applicant: APPLE INC.
    Inventors: Scott T. Smith, Iain A. McAllister, Jeffrey N. Gleason, Neil MacKinnon
  • Patent number: 9080916
    Abstract: The color response of camera devices may be calibrated, using a correction factor that can account for differences in the spectra of light emitted by different light sources used during calibration. The correction factor may be calculated based on the expected spectral sensitivities of the camera devices, the power spectrum of an actual light source, and the power spectrum of a canonical light source. The correction factor is then applied to adjust a measured color response of a given camera device, so that the adjusted color response is effectively the response of the given camera device if it had been illuminated by the canonical light source. In this manner, any measured color response differences, which may be due to differences between the actual light source used and the canonical light source, can be effectively reduced (if not essentially eliminated.) Other embodiments are also described and claimed.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: July 14, 2015
    Assignee: Apple Inc.
    Inventors: Edward T. Chang, Scott T. Smith, Damien J. Thivent, Richard L. Baer, Paul M. Hubel
  • Patent number: 9040892
    Abstract: To generate data for color pixels in an image, Bayer symmetric interleaved exposures can more evenly spread the long exposure pixels in the vertical direction and produce a higher dynamic range by having pixels with different exposure times interleaved within different rows. Long and short exposure pixels can be interleaved across two adjacent rows to form 4 pixel wide by 2 pixel tall blocks that are repeated across a Bayer pattern color array. In each block, the first row can be three long and one short exposure pixel; and the second row can be three short and one long exposure pixel. The long exposure pixels can form an “L” shaped pattern rotated 90 degrees clockwise; and the short exposure pixels can form an “L” shaped pattern rotated 90 degrees counter-clockwise. Subsequent rows of the blocks may be offset horizontally to form diagonal bands of long and short exposure pixels.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: May 26, 2015
    Assignee: Apple Inc.
    Inventor: Scott T. Smith
  • Patent number: 8761594
    Abstract: Systems and methods for providing spatially dynamic illumination in camera systems. A spatially dynamic illumination source enables the illumination of only desired objects in the field of view of the camera, thereby reducing the amount of light required from the illumination source. The spatially dynamic illumination source may include an array of illumination elements and a control component. Each illumination element in the illumination array may include a light-emitting element combined with an optical element. A camera and the spatially dynamic illumination source may be combined in a camera and illumination system. The camera and illumination system may dynamically detect, track, and selectively illuminate only desired objects in the camera field of view.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: June 24, 2014
    Assignee: Apple Inc.
    Inventors: Kevin A. Gross, Scott T. Smith
  • Publication number: 20140063283
    Abstract: The color response of camera devices may be calibrated, using a correction factor that can account for differences in the spectra of light emitted by different light sources used during calibration. The correction factor may be calculated based on the expected spectral sensitivities of the camera devices, the power spectrum of an actual light source, and the power spectrum of a canonical light source. The correction factor is then applied to adjust a measured color response of a given camera device, so that the adjusted color response is effectively the response of the given camera device if it had been illuminated by the canonical light source. In this manner, any measured color response differences, which may be due to differences between the actual light source used and the canonical light source, can be effectively reduced (if not essentially eliminated.) Other embodiments are also described and claimed.
    Type: Application
    Filed: August 30, 2012
    Publication date: March 6, 2014
    Applicant: Apple Inc.
    Inventors: Edward T. Chang, Scott T. Smith, Damien J. Thivent, Richard L. Baer, Paul M. Hubel
  • Publication number: 20140027613
    Abstract: To generate data for color pixels in an image, Bayer symmetric interleaved exposures can more evenly spread the long exposure pixels in the vertical direction and produce a higher dynamic range by having pixels with different exposure times interleaved within different rows. Long and short exposure pixels can be interleaved across two adjacent rows to form 4 pixel wide by 2 pixel tall blocks that are repeated across a Bayer pattern color array. In each block, the first row can be three long and one short exposure pixel; and the second row can be three short and one long exposure pixel. The long exposure pixels can form an “L” shaped pattern rotated 90 degrees clockwise; and the short exposure pixels can form an “L” shaped pattern rotated 90 degrees counter-clockwise. Subsequent rows of the blocks may be offset horizontally to form diagonal bands of long and short exposure pixels.
    Type: Application
    Filed: July 27, 2012
    Publication date: January 30, 2014
    Inventor: Scott T. Smith
  • Patent number: 8582006
    Abstract: The present invention relates to an imager for improving image quality. The imager includes a pixel array of a plurality of pixels arranged in rows and columns. The imager also includes a color filter array (CFA) including a color pattern of a first color filter allowing a first pixel to detect a first color of light, and a second color filter allowing a second pixel to detect a second color of light and a third color of light. Each of the color filters in the color pattern are included in each row of the pixel array.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: November 12, 2013
    Assignee: Aptina Imaging Corporation
    Inventor: Scott T. Smith
  • Publication number: 20120188400
    Abstract: The present invention relates to an imager for improving image quality. The imager includes a pixel array of a plurality of pixels arranged in rows and columns. The imager also includes a color filter array (CFA) including a color pattern of a first color filter allowing a first pixel to detect a first color of light, and a second color filter allowing a second pixel to detect a second color of light and a third color of light. Each of the color filters in the color pattern are included in each row of the pixel array.
    Type: Application
    Filed: May 19, 2011
    Publication date: July 26, 2012
    Applicant: APTINA IMAGING CORPORATION
    Inventor: SCOTT T. SMITH
  • Patent number: 7924483
    Abstract: The invention, in various exemplary embodiments, incorporates multiple image sensor arrays, with separate respective color filters, on the same imager die. One exemplary embodiment is an image sensor comprising a plurality of arrays of pixel cells at a surface of a substrate, wherein each pixel cell comprises a photo-conversion device. The arrays are configured to commonly capture an image. An image processor circuit is connected to said plurality of arrays and configured to combine the captured images, captured by the plurality of arrays, and output a color image.
    Type: Grant
    Filed: March 6, 2006
    Date of Patent: April 12, 2011
    Inventors: Scott T. Smith, Dmitry Bakin
  • Publication number: 20080200871
    Abstract: Methods and apparatus for treating the interior of a blood vessel include a variety of improved catheter designs, methods and apparatus for accessing and occluding a blood vessel.
    Type: Application
    Filed: January 13, 2006
    Publication date: August 21, 2008
    Inventors: Charles R. Slater, Brett E. Naglreiter, Peter K. Kratsch, Alejandro Espinosa, Scott T. Smith, Scott L. Jahrmarkt
  • Patent number: 7408160
    Abstract: A system for detecting and graphically displaying a contents of a fast-moving target object comprises: a radiation source, having a position such that at least a portion of radiation emitted from the radiation source passes through the fast-moving target object, the fast-moving target object having a variable velocity and acceleration while maintaining a substantially constant distance from the radiation source and being selected from the group consisting of: a vehicle, a cargo container and a railroad car; a velocity measuring device configured to measure the variable velocity of the fast-moving target object; a detector array comprising a plurality of photon detectors, having a position such that at least some of the at least a portion of the radiation passing through the target object is received thereby, the detector array having a variable count time according to the variable velocity and a grid unit size; a counter circuit coupled to the detector array for discretely counting a number of photons enterin
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: August 5, 2008
    Assignee: Science Applications International Corporation
    Inventors: Victor V. Verbinski, Scott T. Smith, Judith Maxwell, legal representative, Jeffrey M. Adams, Ryan Shyffer, Kenneth H. Valentine