公开(公告)号：US08957361B2

公开(公告)日：2015-02-17

申请号：US13586183

申请日：2012-08-15

申请人： Sang-wook Han ,  Hyun-sik Kim ,  Young-hun Sung ,  Jun-hyeok Yang ,  Gyu-hyeong Cho

发明人： Sang-wook Han ,  Hyun-sik Kim ,  Young-hun Sung ,  Jun-hyeok Yang ,  Gyu-hyeong Cho

IPC分类号： H03K17/00 ,  H03M1/34

CPC分类号： A61B6/4241 ,  H03F3/45475 ,  H03F2200/261 ,  H03F2203/45512 ,  H03F2203/45534 ,  H03F2203/45536

摘要： A switching circuit, a charge sense amplifier, and a photon counting device are provided. The switching circuit configured to close and open a connection between a first terminal and a second terminal of a predetermined circuit element, includes: a first transistor comprising a source connected to the first terminal, a drain connected to the second terminal, and a gate; a second transistor comprising a drain, a source, and a gate connected to the drain of the second transistor; a current source configured to supply a current flowing through the drain and the source of the second transistor, to generate a gate voltage of the gate of the second transistor; and a multiplexer configured to receive the gate voltage, a reference voltage, and a control signal, and selectively apply the gate voltage or the reference voltage to the gate of the first transistor based on the control signal.

摘要翻译： 提供开关电路，电荷读出放大器和光子计数装置。 所述开关电路被配置为关闭并打开预定电路元件的第一端子和第二端子之间的连接，所述开关电路包括：第一晶体管，包括连接到所述第一端子的源极，连接到所述第二端子的漏极和栅极; 第二晶体管，包括连接到第二晶体管的漏极的漏极，源极和栅极; 电流源，被配置为提供流过所述第二晶体管的漏极和源极的电流，以产生所述第二晶体管的栅极的栅极电压; 以及多路复用器，其被配置为接收所述栅极电压，参考电压和控制信号，并且基于所述控制信号选择性地将栅极电压或参考电压施加到所述第一晶体管的栅极。

公开(公告)号：US09086494B2

公开(公告)日：2015-07-21

申请号：US13597726

申请日：2012-08-29

申请人： Sang-wook Han ,  Hyun-Sik Kim ,  Gyu-Hyeong Cho ,  Chang-jung Kim ,  Jae-chul Park ,  Young-Hun Sung ,  Young Kim ,  Jun-Hyeok Yang

发明人： Sang-wook Han ,  Hyun-Sik Kim ,  Gyu-Hyeong Cho ,  Chang-jung Kim ,  Jae-chul Park ,  Young-Hun Sung ,  Young Kim ,  Jun-Hyeok Yang

IPC分类号： G01T1/24 ,  H04N5/378 ,  H04N5/374

CPC分类号： G01T1/247 ,  G01T1/17 ,  H04N5/374 ,  H04N5/378

摘要： According to example embodiments, an image sensor includes a charge sensing amplifier configured to amplify charges sensed by a sensing unit. The charge sensing amplifier includes an input terminal, an amplification terminal, an output terminal, a first capacitor connected between the input terminal and the amplification terminal, a first switch connected between the input terminal and the amplification terminal, a second capacitor connected between the amplification terminal and the output terminal, and a second switch connected between the output terminal and a reference voltage terminal.

摘要翻译： 根据示例实施例，图像传感器包括被配置为放大由感测单元感测的电荷的电荷感测放大器。 电荷感测放大器包括输入端子，放大端子，输出端子，连接在输入端子和放大端子之间的第一电容器，连接在输入端子和放大端子之间的第一开关，连接在放大器之间的第二电容器 端子和输出端子，以及连接在输出端子和参考电压端子之间的第二开关。

公开(公告)号：US20130041628A1

公开(公告)日：2013-02-14

申请号：US13561503

申请日：2012-07-30

申请人： Sang-wook Han ,  Hyun-sik Kim ,  Jun-hyeok Yang ,  Gyu-hyeong Cho ,  Young-hun Sung

发明人： Sang-wook Han ,  Hyun-sik Kim ,  Jun-hyeok Yang ,  Gyu-hyeong Cho ,  Young-hun Sung

IPC分类号： G06F15/00

CPC分类号： G01T1/17 ,  A61B6/032 ,  A61B6/4241 ,  G01T1/16 ,  G01T1/246 ,  G01T1/247 ,  G01T1/2928 ,  G01T1/36

摘要： An apparatus for distinguishing an energy band of a photon in a readout circuit that counts photons in multi-energy radiation incident onto a sensor for each energy band includes an integrator configured to accumulate an electric signal received from the sensor that has undergone photoelectric conversion from the photon; a comparator configured to compare an accumulated electric signal received from the integrator with one of a plurality of threshold values; and a signal processor configured to instruct sequential switching from one of the plurality of threshold values to another one of the plurality of threshold values according to a result of a comparison received from the comparator; and output a digital signal that distinguishes an energy band of the photon based on results received from the comparator of sequential comparisons of the accumulated electric signal with the plurality of threshold values.

摘要翻译： 用于区分在每个能带上入射到传感器上的多能量辐射中计数光子的读出电路中的光子能带的装置包括积分器，其被配置为累积从已经经历光电转换的传感器接收的电信号 光子 比较器，用于将从积分器接收的累积电信号与多个阈值中的一个进行比较; 以及信号处理器，被配置为根据从所述比较器接收的比较结果，指示从所述多个阈值中的一个到所述多个阈值中的一个阈值的顺序切换; 并输出基于从累积电信号与多个阈值的顺序比较的比较器接收的结果来区分光子的能带的数字信号。

公开(公告)号：US09239391B2

公开(公告)日：2016-01-19

申请号：US13561503

申请日：2012-07-30

申请人： Sang-wook Han ,  Hyun-sik Kim ,  Jun-hyeok Yang ,  Gyu-hyeong Cho ,  Young-hun Sung

发明人： Sang-wook Han ,  Hyun-sik Kim ,  Jun-hyeok Yang ,  Gyu-hyeong Cho ,  Young-hun Sung

IPC分类号： G06F15/00 ,  G01T1/17 ,  A61B6/03 ,  A61B6/00 ,  G01T1/16 ,  G01T1/29

CPC分类号： G01T1/17 ,  A61B6/032 ,  A61B6/4241 ,  G01T1/16 ,  G01T1/246 ,  G01T1/247 ,  G01T1/2928 ,  G01T1/36

摘要： An apparatus for distinguishing an energy band of a photon in a readout circuit that counts photons in multi-energy radiation incident onto a sensor for each energy band includes an integrator configured to accumulate an electric signal received from the sensor that has undergone photoelectric conversion from the photon; a comparator configured to compare an accumulated electric signal received from the integrator with one of a plurality of threshold values; and a signal processor configured to instruct sequential switching from one of the plurality of threshold values to another one of the plurality of threshold values according to a result of a comparison received from the comparator; and output a digital signal that distinguishes an energy band of the photon based on results received from the comparator of sequential comparisons of the accumulated electric signal with the plurality of threshold values.

摘要翻译： 用于区分在每个能带上入射到传感器上的多能量辐射中计数光子的读出电路中的光子能带的装置包括积分器，其被配置为累积从已经经历光电转换的传感器接收的电信号 光子 比较器，用于将从积分器接收的累积电信号与多个阈值中的一个进行比较; 以及信号处理器，被配置为根据从所述比较器接收的比较结果，指示从所述多个阈值中的一个到所述多个阈值中的一个阈值的顺序切换; 并输出基于从累积电信号与多个阈值的顺序比较的比较器接收的结果来区分光子的能带的数字信号。

公开(公告)号：US20130105701A1

公开(公告)日：2013-05-02

申请号：US13472885

申请日：2012-05-16

申请人： Sang-wook Han ,  Dong-goo Kang ,  Young-hun Sung

发明人： Sang-wook Han ,  Dong-goo Kang ,  Young-hun Sung

IPC分类号： G01T1/18

CPC分类号： G01T1/18 ,  G01T1/247 ,  G01T1/29 ,  G01T1/366

摘要： A photon counting detector and a photon counting and detecting method using the same is provided. The photon counting detector includes readout circuits configured to count photons in multi-energy radiation incident to a sensor, the photons being counted with respect to each of a plurality of energy bands of the multi-energy radiation, the readout circuits respectively corresponding to pixels of a region onto which the multi-energy radiation is irradiated, each of the readout circuits being configured to count photons in a predetermined one of the energy bands, at least one of the readout circuits being configured to count photons in at least one of energy bands other than the predetermined one of the energy bands.

摘要翻译： 提供了一种光子计数检测器和使用该光子计数检测器的光子计数和检测方法。 光子计数检测器包括读出电路，其被配置为对入射到传感器的多能量辐射中的光子进行计数，光子相对于多能辐射的多个能带中的每一个被计数，读出电路分别对应于 每个读出电路被配置为对预定的一个能带中的光子进行计数，至少一个读出电路被配置为对至少一个能带中的光子进行计数， 除了预定的一个能带之外。

公开(公告)号：US08772730B2

公开(公告)日：2014-07-08

申请号：US13472885

申请日：2012-05-16

申请人： Sang-wook Han ,  Dong-goo Kang ,  Young-hun Sung

发明人： Sang-wook Han ,  Dong-goo Kang ,  Young-hun Sung

IPC分类号： H01L27/146 ,  G01T1/24

CPC分类号： G01T1/18 ,  G01T1/247 ,  G01T1/29 ,  G01T1/366

摘要： A photon counting detector and a photon counting and detecting method using the same is provided. The photon counting detector includes readout circuits configured to count photons in multi-energy radiation incident to a sensor, the photons being counted with respect to each of a plurality of energy bands of the multi-energy radiation, the readout circuits respectively corresponding to pixels of a region onto which the multi-energy radiation is irradiated, each of the readout circuits being configured to count photons in a predetermined one of the energy bands, at least one of the readout circuits being configured to count photons in at least one of energy bands other than the predetermined one of the energy bands.

摘要翻译： 提供了一种光子计数检测器和使用该光子计数检测器的光子计数和检测方法。 光子计数检测器包括读出电路，其被配置为对入射到传感器的多能量辐射中的光子进行计数，光子相对于多能辐射的多个能带中的每一个被计数，读出电路分别对应于 每个读出电路被配置为对预定的一个能带中的光子进行计数，至少一个读出电路被配置为对至少一个能带中的光子进行计数， 除了预定的一个能带之外。

公开(公告)号：US20120275565A1

公开(公告)日：2012-11-01

申请号：US13457575

申请日：2012-04-27

申请人： Sung-su Kim ,  Myung-jin Chung ,  Hyun-hwa Oh ,  Young-hun Sung ,  Sang-wook Han ,  Jae-hyun Kwon ,  Seok-min Han ,  Dong-goo Kang ,  Kang-eui Lee

发明人： Sung-su Kim ,  Myung-jin Chung ,  Hyun-hwa Oh ,  Young-hun Sung ,  Sang-wook Han ,  Jae-hyun Kwon ,  Seok-min Han ,  Dong-goo Kang ,  Kang-eui Lee

IPC分类号： G01N23/083

CPC分类号： A61B6/4241 ,  A61B6/42 ,  A61B6/482

摘要： A radiation signal detection apparatus includes a filter unit configured to allow penetration of a component of radiation that passed through a subject, the filter unit including one or more unit filters configured to allow penetration of only a component in a predetermined energy band of the radiation, and a sensor unit, including one or more first unit sensors configured to convert only the component of the radiation for which the penetration is allowed by the unit filters into a first electric signal, one or more second unit sensors configured to convert a component in all energy bands of the radiation into a second electric signal, and a radiation signal detector configured to detect a first radiation signal and a second radiation signal by respectively using the first electric signal of the first unit sensors and the second electric signal of the second unit sensors.

摘要翻译： 辐射信号检测装置包括被配置为允许穿过受试者的辐射的分量的穿透的过滤器单元，所述过滤器单元包括被配置为仅允许穿透辐射的预定能带中的部件的一个或多个单元滤波器， 以及传感器单元，包括一个或多个第一单元传感器，所述第一单元传感器被配置为仅将所述单元滤波器允许的穿透的辐射的分量转换成第一电信号;配置成将所有部件全部转换的一个或多个第二单元传感器 将辐射的能带转换成第二电信号，以及辐射信号检测器，被配置为通过分别使用第一单元传感器的第一电信号和第二单元传感器的第二电信号来检测第一辐射信号和第二辐射信号 。

公开(公告)号：US08508637B2

公开(公告)日：2013-08-13

申请号：US12834320

申请日：2010-07-12

申请人： Sang-wook Han ,  Hyun-chul Song ,  Won-hee Choe

发明人： Sang-wook Han ,  Hyun-chul Song ,  Won-hee Choe

IPC分类号： H04N3/14 ,  H04N5/335

CPC分类号： H04N5/3559 ,  H04N5/2351 ,  H04N5/347 ,  H04N5/37452 ,  H04N5/378

摘要： Disclosed are an image sensor and a local binning method in which binning is applied selectively. For example, binning is applied to pixels having low illumination and binning is not applied to non-low illumination pixels. Information on pixels having low illumination for a first image frame may be stored and used to perform binning with respect to areas of a second image frame corresponding to low illumination pixel areas determined with respect to the first image frame.

摘要翻译： 公开了一种图像传感器和局部收纳方法，其中选择性地应用合并。 例如，将binning应用于具有低照明的像素，并且并购不应用于非低照度像素。 可以存储关于第一图像帧的具有低照度的像素的信息，并且用于相对于与相对于第一图像帧确定的低照度像素区域对应的第二图像帧的区域进行合并。