公开(公告)号：US11942956B2

公开(公告)日：2024-03-26

申请号：US17885844

申请日：2022-08-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Min Seob Lee ,  Shin Woong Kim ,  Joon Hee Lee ,  Sang Wook Han

IPC: H03L7/099 ,  H03L7/093 ,  H03M1/10

CPC classification number: H03L7/0992 ,  H03L7/093 ,  H03L7/0995 ,  H03M1/1014

Abstract: Provided is a time-to-digital converter, comprising a phase frequency detector configured to receive a phase-locked loop input clock and a feedback clock, a ring oscillator configured to perform oscillation with multi-phase clocks of a first period, a counter array configured to count the number of oscillations in which the ring oscillator oscillates in a first period by the number of positive integers during the first pulse width, a multiplexer configured to divide the first period into a plurality of zones using edge information of the multi-phase clocks of the ring oscillator, and selects and outputs voltage information of a plurality of neighboring phase clocks included in a first zone from the plurality of zones, an analog-to-digital converter, a calibrator, and a first adder, wherein the calibrator comprises, an offset lookup table generation circuit, a gain-corrected analog-to-digital conversion output generator, and a second adder.

公开(公告)号：US09528947B2

公开(公告)日：2016-12-27

申请号：US13893456

申请日：2013-05-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Hoon Kang ,  Dong Goo Kang ,  Young Hun Sung ,  Sang Wook Han

IPC: G01N23/04 ,  G01T7/00

CPC classification number: G01N23/04 ,  G01T7/005

Abstract: A calibration method of a radiation detecting apparatus, a control method of a radiation imaging apparatus and a radiation imaging apparatus are provided. The control method of the radiation imaging apparatus includes performing prior information acquisition by obtaining at least one correction threshold energy, at which a theoretical radiation intensity of at least one threshold energy is measured, and performing radiation image acquisition by obtaining at least one radiation image at the at least one threshold energy using the at least one correction threshold energy.

Abstract translation: 提供辐射检测装置的校准方法，放射线成像装置的控制方法和放射线成像装置。 放射线成像装置的控制方法包括：通过获得至少一个校正阈值能量来执行先验信息获取，在该校正阈值能量处测量至少一个阈值能量的理论辐射强度，并通过获得至少一个辐射图像 所述至少一个阈值能量使用所述至少一个校正阈值能量。

公开(公告)号：US09377418B2

公开(公告)日：2016-06-28

申请号：US14132522

申请日：2013-12-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jong Ha Lee ,  Kang Ho Lee ,  Young Hun Sung ,  Sang Wook Han

IPC: G01N23/04 ,  A61B6/00 ,  H04N5/32

CPC classification number: G01N23/04 ,  A61B6/42 ,  A61B6/4233 ,  A61B6/502 ,  A61B6/54 ,  A61B6/544 ,  A61B6/545 ,  A61B6/585 ,  H04N5/32

Abstract: An X-ray imaging apparatus includes an X-ray generator configured to generate and radiate X-rays to a subject, an X-ray detector configured to detect and convert X-rays transmitted through the subject into an image signal, and a controller configured to analyze the image signal of the subject and set gain of the X-ray detector according to detection regions.

Abstract translation: 一种X射线成像装置，具备：X射线发生器，被配置为向被摄体生成X射线; X射线检测器，被配置为检测并将通过被摄体发送的X射线转换为图像信号，以及控制器配置 分析对象的图像信号，并根据检测区域设定X射线检测器的增益。

公开(公告)号：US09423517B2

公开(公告)日：2016-08-23

申请号：US14144766

申请日：2013-12-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Hoon Kang ,  Dong Goo Kang ,  Sang Wook Han ,  Young Hun Sung ,  Hyun Hwa Oh

IPC: G01D18/00 ,  G01T7/00 ,  G01T1/169

CPC classification number: G01T7/005 ,  G01T1/169

Abstract: An X-ray imaging apparatus includes an X-ray generator configured to generate and emit X-rays, an X-ray detector configured to detect the X-rays and count a number of photons having energy equal to or greater than threshold energy per pixel among photons contained in the detected X-rays, a map generator configured to extract corrected threshold energy corresponding to target threshold energy mapped to each pixel, and a data correction unit configured to calculate corrected X-ray data corresponding to the corrected threshold energy per pixel from a plurality of X-ray data acquired based on a plurality of images of a target object obtained by using a plurality of approximate energies equal or approximate to the target threshold energy as threshold energy of the X-ray detector.

Abstract translation: X射线成像装置包括被配置为产生和发射X射线的X射线发生器，被配置为检测X射线并计数具有等于或大于每像素阈值能量的能量的数量的X光检测器的X射线检测器 在包含在所检测的X射线中的光子之间，映射发生器被配置为提取对应于映射到每个像素的目标阈值能量的校正阈值能量;以及数据校正单元，被配置为计算对应于每像素校正的阈值能量的校正的X射线数据 从基于通过使用等于或近似于目标阈值能量的多个近似能量获得的目标对象的多个图像获取的多个X射线数据作为X射线检测器的阈值能量。

公开(公告)号：US20130301798A1

公开(公告)日：2013-11-14

申请号：US13893456

申请日：2013-05-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Hoon Kang ,  Dong Goo Kang ,  Young Hun Sung ,  Sang Wook Han

IPC: G01N23/04

CPC classification number: G01N23/04 ,  G01T7/005

Abstract: A calibration method of a radiation detecting apparatus, a control method of a radiation imaging apparatus and a radiation imaging apparatus are provided. The control method of the radiation imaging apparatus includes performing prior information acquisition by obtaining at least one correction threshold energy, at which a theoretical radiation intensity of at least one threshold energy is measured, and performing radiation image acquisition by obtaining at least one radiation image at the at least one threshold energy using the at least one correction threshold energy.

Abstract translation: 提供辐射检测装置的校准方法，放射线成像装置的控制方法和放射线成像装置。 放射线成像装置的控制方法包括：通过获得至少一个校正阈值能量来执行先验信息获取，在该校正阈值能量处测量至少一个阈值能量的理论辐射强度，并通过获得至少一个辐射图像 所述至少一个阈值能量使用所述至少一个校正阈值能量。