Patents Assigned to Varex Imaging Corporation
  • Publication number: 20200155110
    Abstract: Some embodiments include a system, comprising: an integrating detector including a plurality of pixels, each pixel configured to integrate signal from photons of a radiation beam; and an energy sensing detector overlapping the pixels of the integrating detector and configured to generate energy information in response to the radiation beam.
    Type: Application
    Filed: November 16, 2018
    Publication date: May 21, 2020
    Applicant: Varex Imaging Corporation
    Inventors: Ivan P. Mollov, Arundhuti Ganguly
  • Patent number: 10656101
    Abstract: An X-ray imaging device includes a color sensor configured to generate a color signal indicating a particular color sensed, an imaging matrix of pixel detector elements that are each configured to detect photon energy and generate an image signal, and a controller that is coupled to the color sensor, the imaging matrix, and the wireless transceiver. The controller is configured to receive a color signal from the color sensor, determine an identifier of the computing device external to the X-ray imaging device based on the color signal, and change at least one operational setting of the X-ray imaging device based on the identifier.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: May 19, 2020
    Assignee: VAREX IMAGING CORPORATION
    Inventors: Carlo Tognina, Rudiger Schwartz, Cesar Proano, Keith Gray
  • Publication number: 20200144314
    Abstract: Some embodiments include a method, comprising: providing a semiconductor substrate including photodetectors on a first side of the substrate; attaching at least one semiconductor device to the first side of the semiconductor substrate; attaching a back support plate to the semiconductor substrate over the at least one semiconductor device; and thinning the semiconductor substrate.
    Type: Application
    Filed: May 23, 2019
    Publication date: May 7, 2020
    Applicant: Varex Imaging Corporation
    Inventors: Arundhuti Ganguly, Ivan P. Mollov, Richard E. Colbeth
  • Patent number: 10636612
    Abstract: In one example, a lift assembly may exert a force on a rotatable anode of an X-ray tube. The lift assembly may include a lift shaft and a lift electromagnet. The lift shaft may be coupled to the anode and may be configured to rotate around an axis of rotation of the anode. The lift electromagnet may be configured to apply a magnetic force to the lift shaft in a radial direction. The lift electromagnet may include a first pole and a second pole oriented towards the lift shaft. Windings may be positioned around the first pole. The lift assembly may include a heat dissipating structure.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: April 28, 2020
    Assignee: Varex Imaging Corporation
    Inventors: Vance Scott Robinson, Kasey Otho Greenland, Neil Bostrom
  • Patent number: 10629403
    Abstract: In one example, a lift assembly may exert a force on a rotatable anode of an X-ray source. The lift assembly may include a lift shaft and a lift electromagnet. The lift shaft may be coupled to the anode and configured to rotate around an axis of rotation of the anode. The lift electromagnet may be configured to apply a magnetic force to the lift shaft in a radial direction. The lift electromagnet may include a curved surface that contours around at least a portion of the shaft wall. A radius of curvature of the curved surface of the lift electromagnet may be greater than a radius of curvature of the lift shaft, and the spacing between the curved surface of the lift electromagnet and the shaft wall may be non-uniform.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: April 21, 2020
    Assignee: Varex Imaging Corporation
    Inventors: Neil Bostrom, Vance Scott Robinson, Kasey Otho Greenland, Santosh Ramachandran
  • Publication number: 20200113038
    Abstract: Some embodiments include a system, comprising: a plurality of accelerator structures, each accelerator structure including an RF input and configured to accelerate a different particle beam; an RF source configured to generate RF power; and an RF network coupled between the RF source and each of the RF inputs of the accelerator structures and configured to split the RF power among the RF inputs of the accelerator structures.
    Type: Application
    Filed: September 27, 2019
    Publication date: April 9, 2020
    Applicant: Varex Imaging Corporation
    Inventor: Andrey V. Mishin
  • Publication number: 20200103434
    Abstract: Some embodiments include a handheld detector, comprising: detector circuitry configured to convert incident radiation into electrical signals; a processor coupled to the detector circuits; and an accelerometer coupled to the processor; wherein the processor is configured to activate from a low power state in response to a first acceleration event detected by the accelerometer.
    Type: Application
    Filed: September 28, 2018
    Publication date: April 2, 2020
    Applicant: Varex Imaging Corporation
    Inventors: Cesar H Porano, Rudiger Schwartz
  • Publication number: 20200074120
    Abstract: Embodiments include a device, comprising: a mounting structure configured to mount the device to an external component; first circuitry; and anti-tamper circuitry electrically connected to the first circuitry and configured to disable at least one function of the first circuitry when the device is removed from the external component and methods of operating the device.
    Type: Application
    Filed: March 5, 2019
    Publication date: March 5, 2020
    Applicant: Varex Imaging Corporation
    Inventors: Michael Rudolf Meiler, Inwoo Yoon, Lincoln C. Jolley, Christopher David Ginzton
  • Publication number: 20200074123
    Abstract: Embodiments include a method, comprising: receiving from a first device at a second device, a request for a system identifier (ID) stored on the second device; and determining, by the second device, if the system ID stored on the second device has an empty value; when the system ID stored on the second device does not have the empty value, transmitting, by the second device to the first device, a response based on the system ID stored on the second device.
    Type: Application
    Filed: March 5, 2019
    Publication date: March 5, 2020
    Applicant: Varex Imaging Corporation
    Inventors: Michael Rudolf Meiler, Michelle Richmond, Christopher David Ginzton
  • Patent number: 10573483
    Abstract: Some embodiments include a system, comprising: a high voltage enclosure; a cathode disposed in the high voltage enclosure; an anode disposed in the high voltage enclosure; a plurality of grids disposed in the high voltage enclosure between the cathode and the anode; a voltage source configured to generate a common grid voltage; and a voltage divider disposed in the high voltage enclosure, configured to generate a plurality of grid voltages based on the common grid voltage, and configured to apply at least two of the grid voltages to the grids.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: February 25, 2020
    Assignee: Varex Imaging Corporation
    Inventors: Colton B. Woodman, Brad Canfield
  • Publication number: 20200041662
    Abstract: Some embodiments include a system, comprising a hybrid imaging device comprising: a first scintillator; a first detector sensors configured to generate a signal based on photons emitted from the first scintillator; a second scintillator; a second detector sensors configured to generate a signal based on photons emitted from the second scintillator; and a control logic coupled to the first detector layer and the second detector layer; wherein: a material of the first scintillator is different from a material of the second scintillator; the first detector overlaps the second detector; and the control logic is configured to generate dose data in response to the first detector and image data in response to the second detector.
    Type: Application
    Filed: July 31, 2019
    Publication date: February 6, 2020
    Applicant: Varex Imaging Corporation
    Inventors: Minghui Lu, Joachim Steiger, Richard Aufrichtig
  • Publication number: 20200008289
    Abstract: Some embodiments include a system, comprising: an enclosure configured to enclose a vacuum; a cathode disposed within the enclosure; an anode disposed within the enclosure configured to receive a beam of electrons from the cathode; a motor disposed within the enclosure and configured to rotate the anode in response to a drive input; and a circuit electrically connected to the drive input, and configured to generate a phase signal based on a voltage of the drive input and a current of the drive input, the phase signal indicating a phase difference between the voltage of the drive input and the current of the drive input.
    Type: Application
    Filed: June 30, 2018
    Publication date: January 2, 2020
    Applicant: Varex Imaging Corporation
    Inventors: Michelle Richmond, Gary F. Virshup, Dan Jones
  • Publication number: 20190357343
    Abstract: Some embodiments include a system comprising: a particle power source configured to generate a particle power signal; a radio frequency (RF) power source configured to generate an RF power signal; a particle source configured to generate a particle beam in response to the particle power signal; a RF source configured to generate an RF signal in response to the RF power signal; and an accelerator structure configured to accelerate the particle beam in response to the RF signal; wherein a timing of the RF power signal is different from a timing of the particle power signal.
    Type: Application
    Filed: September 28, 2018
    Publication date: November 21, 2019
    Applicant: Varex Imaging Corporation
    Inventors: John C Turner, Lawrence Miller, Nathan Hanson
  • Publication number: 20190357342
    Abstract: Some embodiments include a system comprising: an RF source configured to generate an RF signal; an RF frequency control circuit coupled to the RF source and configured to adjust a frequency of the RF signal; an accelerator structure configured to accelerate a particle beam in response to the RF signal; and control logic configured to: receive a plurality of settings over time for the RF source; adjust the RF signal in response to the settings; and adjust a setpoint of the RF frequency control circuit in response to the settings.
    Type: Application
    Filed: September 28, 2018
    Publication date: November 21, 2019
    Applicant: Varex Imaging Corporation
    Inventor: John C. Turner
  • Publication number: 20190355540
    Abstract: Some embodiments include a system, comprising: an electron source configured to generate an electron beam along an axis; and a transmission target configured to receive the electron beam, the transmission target, comprising a target material having a surface disposed to receive the electron beam; wherein a majority of the surface is disposed at an angle relative to the axis different from 89 to 91 degrees.
    Type: Application
    Filed: May 21, 2018
    Publication date: November 21, 2019
    Applicant: Varex Imaging Corporation
    Inventors: Andrey V. Mishin, Levi Madden, Irina Balantceva
  • Patent number: 10473798
    Abstract: Embodiments include a device, comprising: a column line; a plurality of pixels; each pixel coupled to the column line; a comparator having an input coupled to the column line and configured to compare a signal from the column line to a threshold; and control logic coupled to the pixels and configured to selectively couple each pixel to the column line after a sampling period for each pixel.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: November 12, 2019
    Assignees: Varex Imaging Corporation, The Trustees of Dartmouth College
    Inventors: Donald B. Hondongwa, Eric R. Fossum
  • Patent number: 10462395
    Abstract: Some embodiments include a method, comprising: integrating an input signal using an integrator to generate an integrated signal; comparing the integrated signal to a threshold; and injecting an offset signal into the integrator in response to comparing the integrated signal to the threshold such that the integrated signal passes the threshold.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: October 29, 2019
    Assignee: Varex Imaging Corporation
    Inventors: Paul Pryor, Pieter G. Roos, Ivan P. Mollov
  • Patent number: 10459091
    Abstract: A system operable for detecting radiation to scan an object includes scintillators that have respective lengths that are greater than their respective widths and an imager that has a planar array of pixels. The scintillators are coupled to the imager with their respective longitudinal axes parallel to each other. An incoming radiation beam that has passed through the object enters the scintillators through respective surfaces of the scintillators that are transverse to the longitudinal axes, and is converted by the scintillators into light that is received by respective subsets of the planar array of pixels.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: October 29, 2019
    Assignee: Varex Imaging Corporation
    Inventors: Daniel Shedlock, David T Nisius, Josh M Star-Lack, Samuel Donnald, Gary F Virshup, James E Clayton
  • Patent number: 10440686
    Abstract: An X-ray imaging device includes a first wireless communication module coupled to a first set of antennas; a second wireless communication module coupled to a second set of antennas; and a controller that is coupled to the first wireless communication module and the second wireless communication module. The controller is configured to receive a first value for a wireless performance metric for the first wireless communication module while the X-ray imaging device, receive a second value for the wireless performance metric for the second wireless communication module while the X-ray imaging device, based on the first value and the second value, determine a first wireless communication function to be performed by the first wireless communication module, and cause the first wireless communication module to perform the first wireless communication function.
    Type: Grant
    Filed: November 25, 2017
    Date of Patent: October 8, 2019
    Assignee: VAREX IMAGING CORPORATION
    Inventor: Cesar Proano
  • Publication number: 20190295803
    Abstract: Some embodiments include a structure, comprising: an insulator forming at least a part of a wall of a vacuum chamber, the insulator having a first end and a second end wider than the first end; a first conductive structure disposed at the first end of the insulator; and a second conductive structure disposed at the second end of the insulator, contacting the insulator, and including at least a portion surrounded by the insulator; wherein: a portion of an outer surface of the insulator extends radially outward from a triple junction between the insulator, the second conductive structure, and a medium contacting the outer surface of the insulator.
    Type: Application
    Filed: March 22, 2018
    Publication date: September 26, 2019
    Applicant: Varex Imaging Corporation
    Inventor: Wayne R. Hansen