公开(公告)号：US07589304B2

公开(公告)日：2009-09-15

申请号：US11978845

申请日：2007-10-30

申请人： Ken Koseki

发明人： Ken Koseki

IPC分类号： H01L27/00 ,  H04N5/335

CPC分类号： H04N5/378 ,  H04N5/3595

摘要： The levels of the power supply and the ground are kept constant against a parasitic resistance by keeping the constant current of an amplifier irrespective of the size of a pixel signal and the gain of the amplifier in this case in an image signal reading circuit system having the amplifier arranged to each column. The amplifier has a limiter at an output terminal thereof which limits an output voltage of the amplifier to a range for keeping the constant consumption-current.

公开(公告)号：US07508433B2

公开(公告)日：2009-03-24

申请号：US10963265

申请日：2004-10-12

申请人： Ken Koseki ,  Tsutomu Haruta

发明人： Ken Koseki ,  Tsutomu Haruta

IPC分类号： H04N3/14 ,  H04N5/335

CPC分类号： H04N5/378

摘要： From a pixel array where imaging pixels are arranged, pixel signals of respective columns on a selected row are read in parallel in a horizontal blanking period of a horizontal period. The pixel signals of the respective columns are output to horizontal signal lines in an effective period of the horizontal period via charge integrating amps provided respectively for the columns, i.e., provided respectively for vertical signal lines, and are thereby transferred horizontally. In the charge integrating amps, it is possible to enter a standby state while holding the pixel signals by a holding voltage. Furthermore, in the charge integrating amps, a reference potential for precharging feedback capacitors for amps at the time of a reading operation is automatically controlled based on a black level. Furthermore, pixel signals from the respective charge integrating amps are horizontally transferred in parallel using a plurality of horizontal signal lines.

摘要翻译： 从设置成像像素的像素阵列中，在水平周期的水平消隐期间中并行地读取所选行的各列的像素信号。 各个列的像素信号在水平周期的有效期间内经由分别为列设置的电荷积分放大器输出，即分别提供给垂直信号线，并由此水平地传送。 在电荷积分放大器中，可以通过保持电压来保持像素信号而进入待机状态。 此外，在电荷积分放大器中，基于黑电平自动控制在读取操作时对放大器的反馈电容器进行预充电的参考电位。 此外，来自各个电荷积分放大器的像素信号使用多个水平信号线并行地水平传送。

公开(公告)号：US07295234B2

公开(公告)日：2007-11-13

申请号：US10443761

申请日：2003-05-23

申请人： Yasuaki Hisamatsu ,  Tsutomu Haruta ,  Ken Koseki

发明人： Yasuaki Hisamatsu ,  Tsutomu Haruta ,  Ken Koseki

IPC分类号： H04N5/16

CPC分类号： H04N5/378 ,  H04N5/185 ,  H04N5/361

摘要： A dc level control method for holding a dc level of a clamp portion in an electric signal to be a prescribed value is disclosed, wherein the method comprises the steps of: comparing a dc level of a sampling interval in said electric signal with a predetermined reference value to obtain a difference between said dc level and said reference value using an A/D converting section for dc level comparison which has a lower bit resolution than an A/D converting section for digital signal processing of said electric signal; and feeding back a clamp signal to said electric signal so that said obtained difference between said dc level and said reference value substantially becomes zero. This method is suitable for applying to a signal processing system for a solid state imaging apparatus.

摘要翻译： 公开了一种用于将电信号中的钳位部分的直流电平保持为规定值的直流电平控制方法，其中所述方法包括以下步骤：将所述电信号中的采样间隔的直流电平与预定参考值进行比较 值，以使用具有比用于所述电信号的数字信号处理的A / D转换部分更低的比特分辨率的直流电平比较的A / D转换部分来获得所述直流电平和所述参考值之间的差值; 并且将钳位信号反馈到所述电信号，使得所述获得的所述直流电平与所述参考值之间的差值基本上变为零。 该方法适用于固态成像装置的信号处理系统。

公开(公告)号：US20070247533A1

公开(公告)日：2007-10-25

申请号：US11808491

申请日：2007-06-11

申请人： Yasuaki Hisamatsu ,  Tsutomu Haruta ,  Ken Koseki

发明人： Yasuaki Hisamatsu ,  Tsutomu Haruta ,  Ken Koseki

IPC分类号： H04N5/16

CPC分类号： H04N5/378 ,  H04N5/185 ,  H04N5/361

摘要： A dc level control method for holding a dc level of a clamp portion in an electric signal to be a prescribed value is disclosed, wherein the method comprises the steps of: comparing a dc level of a sampling interval in said electric signal with a predetermined reference value to obtain a difference between said dc level and said reference value using an A/D converting section for dc level comparison which has a lower bit resolution than an A/D converting section for digital signal processing of said electric signal; and feeding back a clamp signal to said electric signal so that said obtained difference between said dc level and said reference value substantially becomes zero. This method is suitable for applying to a signal processing system for a solid state imaging apparatus.

公开(公告)号：US09111837B2

公开(公告)日：2015-08-18

申请号：US12676092

申请日：2008-09-10

申请人： Kenichi Takamiya ,  Ken Koseki

发明人： Kenichi Takamiya ,  Ken Koseki

IPC分类号： H01L27/146 ,  H04N5/345 ,  H04N5/353 ,  H04N5/359 ,  H04N5/374 ,  H04N5/3745 ,  H04N5/376

CPC分类号： H01L27/14654 ,  H01L27/14641 ,  H04N5/345 ,  H04N5/353 ,  H04N5/3594 ,  H04N5/3742 ,  H04N5/37457 ,  H04N5/376

摘要： The present invention relates to an image sensor capable of obtaining a good-quality image with a simple configuration.A pixel accumulates a charge by performing photoelectric conversion on incident light, and outputs a pixel signal corresponding to the charge. A vertical scanning circuit controls the pixel to cause the pixel to perform a shutter process of discharging an unnecessary charge accumulated in the pixel, a charge accumulation process of accumulating a charge generated through photoelectric conversion in a predetermined exposure time in the pixel, and a read process of outputting a pixel signal corresponding to the charge accumulated in the pixel in the charge accumulation process. Also, the control means causes the charge generated through photoelectric conversion in the pixel to be discharged in a non-accumulation period, which is a period other than a period when the shutter process is being performed, a period when the charge accumulation process is being performed, and a period when the read process is being performed. The present invention can be applied to a CMOS sensor, for example.

摘要翻译： 本发明涉及能够以简单的结构获得优质图像的图像传感器。 像素通过对入射光进行光电转换来累积电荷，并输出与电荷对应的像素信号。 垂直扫描电路控制像素使像素执行放电在像素中累积的不必要电荷的快门处理，在像素中以预定曝光时间累积通过光电转换产生的电荷的电荷累积处理和读取 在电荷累积处理中输出与在像素中累积的电荷相对应的像素信号的处理。 此外，控制装置使得在像素中通过光电转换产生的电荷在不是在进行快门处理的周期之外的周期的非累积周期中被排出，电荷累积处理是 执行读取处理的期间。 例如，本发明可以应用于CMOS传感器。

公开(公告)号：US08618589B2

公开(公告)日：2013-12-31

申请号：US13166891

申请日：2011-06-23

申请人： Keiji Mabuchi ,  Toshifumi Wakano ,  Ken Koseki

发明人： Keiji Mabuchi ,  Toshifumi Wakano ,  Ken Koseki

IPC分类号： H01L27/146

CPC分类号： H01L27/14612 ,  H01L27/14643 ,  H04N5/357 ,  H04N5/3658 ,  H04N5/3741 ,  H04N5/3742 ,  H04N5/3745 ,  H04N5/37455 ,  H04N5/37457 ,  H04N5/378

摘要： A solid-state imaging device in which the potential of a signal line, which is obtained before a pixel has an operating period, is fixed to an intermediate potential between a first power-supply potential and a second power-supply potential.

摘要翻译： 一种固态成像装置，其中在像素具有操作周期之前获得的信号线的电位固定在第一电源电位和第二电源电位之间的中间电位。

公开(公告)号：US08416326B2

公开(公告)日：2013-04-09

申请号：US13035532

申请日：2011-02-25

申请人： Ken Koseki ,  Tsutomu Haruta ,  Yukihiro Yasui ,  Yasuaki Hisamatsu

发明人： Ken Koseki ,  Tsutomu Haruta ,  Yukihiro Yasui ,  Yasuaki Hisamatsu

IPC分类号： H04N5/18

CPC分类号： H04N5/3575 ,  H04N5/3651 ,  H04N5/378

摘要： An NchMOS transistor Q71 on the input side of a current mirror 70 is made function as a voltage operating-point setting portion so that a pixel signal line potential (voltage of a horizontal signal line 20) would be constantly stable nearly at the GND. Then, an amplification factor and linearity become good in an amplification transistor in the solid imaging device 3. A current copier 90 is made function as a current sampling portion so as to receive a signal current IIN of the solid imaging device 3 through the current mirror 70 to carry out sampling of a pixel signal in a resetting period in the shape of current component as the pixel signal is. Calculating differential between a current component in a detecting period and an offset current, which is the current component in a resetting period in sampling, allows an offset component included in the pixel signal to be removed and only pure signal Isig to be picked up at an output terminal Iout, so that the FPN restraining function can be fulfilled.

公开(公告)号：US08314871B2

公开(公告)日：2012-11-20

申请号：US12233735

申请日：2008-09-19

申请人： Noritaka Fujita ,  Kenichi Takamiya ,  Ken Koseki ,  Hiroki Ui

发明人： Noritaka Fujita ,  Kenichi Takamiya ,  Ken Koseki ,  Hiroki Ui

IPC分类号： H04N3/14 ,  H04N5/335

CPC分类号： H04N5/376 ,  H04N5/3597 ,  H04N5/3765

摘要： A pixel drive circuit includes a plurality of pixel circuits each including a photoelectric converting unit for converting an incident light into an electric charge and accumulating the converted electric charge, the plurality of pixel circuits being arranged in a matrix shape, an address decoder for selecting the pixel circuits to be controlled which are arranged on an identical line, a storage circuit for storing operation information to be executed by the pixel circuits selected by the address decoder, and a control circuit for controlling an operation of the pixel circuits selected by the address decoder in accordance with a storage state of the storage circuit. The control circuit controls a charge discharging operation of discharging an electric charge remaining in the photoelectric converting unit of each of the pixel circuits. The storage circuit holds the storage state until the charge discharging operation is completed.

摘要翻译： 像素驱动电路包括多个像素电路，每个像素电路包括用于将入射光转换为电荷并累积转换的电荷的光电转换单元，多个像素电路被布置成矩阵形状，地址解码器用于选择 要被控制的像素电路被布置在相同的线上，存储电路，用于存储要由地址解码器选择的像素电路执行的操作信息;以及控制电路，用于控制由地址解码器选择的像素电路的操作 根据存储电路的存储状态。 控制电路控制对每个像素电路的光电转换单元中剩余的电荷进行放电的电荷放电操作。 存储电路保持存储状态直到充电放电操作完成。

公开(公告)号：US08300129B2

公开(公告)日：2012-10-30

申请号：US13100317

申请日：2011-05-04

申请人： Noritaka Fujita ,  Kenichi Takamiya ,  Ken Koseki ,  Hiroki Ui

发明人： Noritaka Fujita ,  Kenichi Takamiya ,  Ken Koseki ,  Hiroki Ui

IPC分类号： H04N3/14 ,  H04N5/335

CPC分类号： H04N5/376 ,  H04N5/3597 ,  H04N5/3765

摘要： A pixel drive circuit includes a plurality of pixel circuits each including a photoelectric converting unit for converting an incident light into an electric charge and accumulating the converted electric charge, the plurality of pixel circuits being arranged in a matrix shape, an address decoder for selecting the pixel circuits to be controlled which are arranged on an identical line, a storage circuit for storing operation information to be executed by the pixel circuits selected by the address decoder, and a control circuit for controlling an operation of the pixel circuits selected by the address decoder in accordance with a storage state of the storage circuit. The control circuit controls a charge discharging operation of discharging an electric charge remaining in the photoelectric converting unit of each of the pixel circuits. The storage circuit holds the storage state until the charge discharging operation is completed.

公开(公告)号：US20120001057A1

公开(公告)日：2012-01-05

申请号：US13232601

申请日：2011-09-14

申请人： Yuuki Yamagata ,  Ken Koseki ,  Masaru Kikuchi ,  Yoshiaki Inada ,  Junichi Inutsuka ,  Akari Tajima

发明人： Yuuki Yamagata ,  Ken Koseki ,  Masaru Kikuchi ,  Yoshiaki Inada ,  Junichi Inutsuka ,  Akari Tajima

IPC分类号： H01L27/146

CPC分类号： H04N5/335

摘要： A solid-state imaging apparatus includes a comparator for comparing a pixel signal obtained by a pixel section and a reference signal the value of which varies in a stepwise manner, an analog-digital converter for outputting, as a digital value, the amount of time when the pixel signal and the reference signal change levels by the comparator; a reset signal generator for generating a reset signal that triggers a reset operation to be input to the comparator in order to adjust the reference in the analog-digital converter, and a waveform processor provided between the reset signal generator and the comparator for increasing the degree of dullness of a waveform of the reset signal.

摘要翻译： 固态成像装置包括比较器，用于比较由像素部分获得的像素信号和其值以逐步方式变化的参考信号;模数转换器，用于输出时间量 当像素信号和参考信号由比较器改变电平时; 复位信号发生器，用于产生复位信号，该复位信号触发复位操作以输入到比较器，以便调整模拟数字转换器中的基准;以及波形处理器，设置在复位信号发生器和比较器之间以增加程度 复位信号的波形的钝度。