Patents Examined by Ruifeng Pu
  • Patent number: 9851438
    Abstract: A system and associated methodology identifies and estimates relaxation frequencies, which are used by a Ground Penetrating Radar (GPR). These estimated relaxation frequencies are used to characterize and interpret a reflected GPR signal from a ground. The system also identifies the number of relaxation frequencies and estimates their magnitudes and values. The system also exhibits high resistance to noise.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: December 26, 2017
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Ahmad A. Masoud, Ali A Al-Shaikhi
  • Patent number: 9846402
    Abstract: A static charge eliminator includes an abutment member which abuts on a print target medium so as to eliminate static charge on a lower flow side than a position where the print target medium separates from and comes in contact with a predetermined roller on a conveyance path of the print target medium, and a supporting member which supports the abutment member such that the abutment member rotates around a rotation axis of the roller, in which the supporting member rotates while following a change in a pressing force from the print target medium via the abutment member which occurs when a winding angle using the position where the print target medium separates from and comes in contact with the roller as a reference point is changed in accordance with a winding amount of the print target medium.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: December 19, 2017
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Toshihiko Numazu, Yasuhiro Tsuyuki
  • Patent number: 9846214
    Abstract: Magnetic resonance imaging (MRI) systems and methods to effect improved MR image reconstruction for undersampled data acquisitions are described. The improved MR image reconstruction is performed by iteratively using compressed sensing to reconstruct an MR image based upon at least one sensitivity map by minimizing a predetermined function which is based upon the MR image and coefficients of the at least one sensitivity map, and updating the at least one sensitivity map by minimizing the predetermined function.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: December 19, 2017
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Yihang Zhou, Aiming Lu, Mitsue Miyazaki
  • Patent number: 9846209
    Abstract: A homogenization device for homogenization of a magnetic field with an non-magnetic carrier and compensation elements formed of a magnetic material, the carrier having a carrier wall and the carrier wall surrounding a carrier interior, in the homogenization device located in the magnetic field the magnetic field penetrating into the carrier interior through a first carrier region of the carrier wall and emerging from the carrier interior through a second carrier region of the carrier wall and each of the compensation elements which are located on the carrier contributing to the homogenization of the magnetic field at least in the carrier interior. In the homogenization device, handling during homogenization is improved in that there are recesses in the carrier wall and in each of the recesses at least one of the compensation elements can be directly inserted and removed.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: December 19, 2017
    Assignee: Krohne AG
    Inventors: Ariƫl de Graaf, Henry van der Linden, Jan Teunis Aart Pors, Jan-Willem Ramondt
  • Patent number: 9841475
    Abstract: The embodiments relate to a magnetic resonance imaging device, where the cladding of the patient bore of the MR imaging device includes a conductive layer.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: December 12, 2017
    Assignee: Siemens Aktiengesellschaft
    Inventors: Ralph Kimmlingen, Norbert Rietsch
  • Patent number: 9841719
    Abstract: An image forming apparatus is provided with a printing portion, a waste toner collection portion that includes a conveyance member that is driven by a motor, and conveys waste toner, thereby to collect the waste toner in a waste toner container, a current detection portion for detecting a motor current value, a fan that discharges scattering toner, and a control portion. In driving the fan, the control portion detects a value of the motor current value and sets rotation speed of the fan so that the larger said detected value of the motor current value, the higher the rotation speed.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: December 12, 2017
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Kazuhiro Nakachi
  • Patent number: 9817356
    Abstract: The image forming system includes an image forming apparatus and a post-processing apparatus, wherein the image forming apparatus has a fixing unit configured to heat and press a recording sheet with a transferred toner image to fix the toner image to the recording sheet, and the post-processing apparatus has a humidifying unit configured to humidify the recording sheet with the toner image fixed by the fixing unit, and a voltage applying unit configured to apply a bias voltage to the recording sheet humidified by the humidifying unit.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: November 14, 2017
    Assignee: KONICA MINOLTA, INC.
    Inventor: Shigetaka Kurosu
  • Patent number: 9817091
    Abstract: According to one embodiment, an MRI apparatus includes a first RF coil device, a radio communication unit and an image reconstruction unit. The first RF coil device is wirelessly connected to a second RF coil device, and receives a nuclear magnetic resonance signal wirelessly transmitted from the second RF coil device. The first RF coil device wirelessly transmits the nuclear magnetic resonance signal detect by the first RF coil device and the nuclear magnetic resonance signal obtained from the second RF coil device to the radio communication unit, via an induced electric field. The radio communication unit receives the nuclear magnetic resonance signals wirelessly transmitted from the first RF coil device via an induced electric field. The image reconstruction unit reconstructs image data on the basis of the nuclear magnetic resonance signals received by the radio communication unit.
    Type: Grant
    Filed: April 7, 2014
    Date of Patent: November 14, 2017
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Manabu Ishii, Sadanori Tomiha, Hiroshi Hayakawa
  • Patent number: 9817348
    Abstract: The roller for use in a fixing device, includes a metal core, a first elastic layer formed on an outer side of the metal core, the first elastic layer having voids, and a second elastic layer formed on an outer side of the first elastic layer, the second elastic layer having a microhardness higher than a microhardness of the first elastic layer, in which an outer diameter of an end portion of the roller is larger than an outer diameter of a middle portion of the roller in a longitudinal direction of the roller, and in which the microhardness of the second elastic layer is 25 degrees or more and 50 degrees or less.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: November 14, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Naofumi Murata, Tomoo Akizuki, Shoichiro Ikegami
  • Patent number: 9804240
    Abstract: Starting with a magnetic resonance imaging system control sequence that has a radio-frequency (RF) pulse train to control the RF transmission system and a gradient pulse train, chronologically matching the RF pulse train, to control the gradient system, the gradient pulse train including a predetermined selection gradient pulse chronologically matched to a refocusing pulse of the RF pulse train, the execution capability of the control sequence is initially established using an execution capability criterion, in particular under consideration of a refocusing flip angle of the refocusing pulse. Modification of the refocusing pulse and/or of the selection gradient pulse takes place depending on the establishment of the execution capability of the control sequence.
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: October 31, 2017
    Assignee: Siemens Aktiengesellschaft
    Inventor: David Grodzki
  • Patent number: 9804554
    Abstract: An image forming apparatus includes a rotatable first coupling provided at a side surface of an engaging portion with a taper surface, and a unit detachably mountable in a second direction crossing with the first direction. The unit includes a second coupling, a driven member and a releasing member. The second coupling includes at an end portion thereof a portion-to-be-engaged engageable with the engaging portion to transmit the driving force, and the driven member receives the driving force from the second coupling. When the unit is disengaged from the main assembly, the releasing member is moved in the second direction in contact with the taper surface to move the first coupling away from the second coupling to effect disengagement between the engaging portion and the portion-to-be-engaged.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: October 31, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Fukashi Hatano
  • Patent number: 9806714
    Abstract: In a testing device, a method for implementing automatic RF port testing. The method includes attaching a device under test having a plurality of RF pins to a load board, dynamically tuning a plurality of RF ports of the load board to the plurality of RF pins, and automatically matching the plurality of RF ports to the plurality of RF pins with respect to impedance. The method further includes implementing an RF port testing process on the device under test.
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: October 31, 2017
    Assignee: ADVANTEST CORPORATION
    Inventors: Xin Ping Zeng, Hui Yu, Keith Schaub, Liang Ge, Heng Huat Goh
  • Patent number: 9797974
    Abstract: A method for providing an magnetic resonance imaging (MRI) with nonrigid motion correction of an object is provided. An MRI excitation is applied to the object. A magnetic field read out from the object using a plurality of sensor coils. Spatially localized motion estimates are obtained for each sensor coil of the plurality of sensor coils. The motion estimates are used for each sensor coil to provide motion correction.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: October 24, 2017
    Assignees: The Board of Trustees of the Leland Stanford Junior University, The Regents of the University of California
    Inventors: Joseph Y. Cheng, John M. Pauly, Michael Lustig, Shreyas S. Vasanawala
  • Patent number: 9797969
    Abstract: In a method to generate a spatially selective excitation in an imaging region of a magnetic resonance apparatus that precedes an acquisition of magnetic resonance data, in the course of the excitation an excitation trajectory in k-space is traversed, the excitation trajectory having a symmetry relative to the k-space center in at least one direction of k-space in the sense that a first traversed extreme value in this direction corresponds to the negative of the other extreme value traversed in this direction, so the excitation trajectory is shortened in the at least one directions on one side of the zero point between the extreme values, and the shortened excitation trajectory is used for excitation.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: October 24, 2017
    Assignee: Siemens Aktiengesellschaft
    Inventors: Josef Pfeuffer, Rainer Schneider
  • Patent number: 9798281
    Abstract: An image forming apparatus includes an image bearing member to which lubricant is supplied; a toner image forming section; and a patch image forming section and a control section configured to control the toner image forming section and the patch image forming section such that a first development condition for forming the patch image and a second development condition for forming the toner image are different from each other.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: October 24, 2017
    Assignee: KONICA MINOLTA, INC.
    Inventor: Atsuto Hirai
  • Patent number: 9798276
    Abstract: The present invention includes a compressor for generating compressed air for separating a sheet from a fixing portion. By using the compressed air generated by the compressor, an image forming portion, more specifically, for example, a charger, is cleaned.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: October 24, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kazuaki Ono
  • Patent number: 9788761
    Abstract: A magnetic resonance imaging (MRI) system, method and/or computer readable medium is configured to effect magnetic resonance angiography (MRA) images with reduced motion artifacts includes acquiring a plurality of k-space data sets by traversing a plurality of radial trajectories in three-dimensional (3D) k-space, generating a plurality of 3D MR images derived from k-space populated by the k-space data sets, aligning the 3D MR images with respect to each other, determining one or more motion parameters for the object based upon the aligning, modifying values of k-space data sets using the determined one or more motion parameters, generating a motion-corrected 3D MR image from a combination of acquired k-space data sets including the modified values.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: October 17, 2017
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Aiming Lu, Cheng Ouyang
  • Patent number: 9791531
    Abstract: A method for establishing a magnetic resonance system actuation sequence is described. A first number of field distribution maps are acquired for slices of the measurement region, and a radiofrequency pulse train is established on the basis thereof for the magnetic resonance system actuation sequence. This acquisition of the first number of field distribution maps may be brought about on the basis of an acquisition scheme. A reduced number of field distribution representation maps are established on the basis of the acquired field distribution maps, which field distribution representation maps represent the first number of acquired field distribution maps in accordance with a predetermined optimization criterion, and the radiofrequency pulse train is established on the basis of the field distribution representation maps.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: October 17, 2017
    Assignee: Siemens Aktiengeschaft
    Inventors: Thomas Beck, Rainer Schneider
  • Patent number: 9791532
    Abstract: In a method and apparatus for magnetic resonance imaging, in order to create a T1 map, an pulse sequence is used that includes at least one exposure cycle, wherein the exposure cycle includes an inversion pulse, a saturation pulse quantity of one or more saturation pulses and a readout step quantity of one or more readout steps. Within the exposure cycle, at least one saturation pulse of the saturation pulse quantity follows the inversion pulse and at least one readout step of the readout step quantity follows the at least one saturation pulse.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: October 17, 2017
    Assignee: Siemens Aktiengesellschaft
    Inventor: Andreas Greiser
  • Patent number: 9790784
    Abstract: This disclosure includes a current sensor configured to detect a signal current in a drilling system component of a drilling system, a telemetry system, and a method for detecting a signal current. The current sensor includes a magnetic body, at least one field coil positioned on the magnetic body, and at least one drive coil positioned on the magnetic body. The at least one field coil configured to detect a first magnetic field that passes within the magnetic body that is induced by the signal current carried by the drill system component when the current sensor is positioned in proximity to the drilling system component. The at least one drive coil configured to generate a second magnetic field. The current sensor is configured to modulate the second magnetic field such the at least one field coil detects the modulated magnetic field.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: October 17, 2017
    Assignee: APS Technology, Inc.
    Inventors: William Thomas Balogh, Macmillan M. Wisler