公开(公告)号：US08531237B2

公开(公告)日：2013-09-10

申请号：US12835175

申请日：2010-07-13

Applicant: Katsuhiko Aisu

Inventor： Katsuhiko Aisu

IPC: H03H11/04

CPC classification number: G05F1/575

Abstract: A low-pass filter that filters an input signal input to a filter input terminal to output a filtered output signal to a filter output terminal includes a capacitor, a first field-effect transistor, a first resistor, and a first current source. The capacitor is connected between the filter output terminal and ground. The first field-effect transistor has a gate terminal, a first conduction terminal connected to the filter input terminal, and a second conduction terminal connected to the filter output terminal. The first resistor is connected between the gate and first conduction terminals of the first transistor. The first current source is connected to the first resistor to supply a first current to the first resistor. The first resistor generates a first voltage thereacross based on the supplied first current for electrically biasing the gate terminal of the first transistor.

Abstract translation: 对输入到滤波器输入端子的输入信号进行滤波以将经滤波的输出信号输出到滤波器输出端子的低通滤波器包括电容器，第一场效应晶体管，第一电阻器和第一电流源。 电容器连接在滤波器输出端子和地之间。 第一场效应晶体管具有栅极端子，连接到滤波器输入端子的第一导电端子和连接到滤波器输出端子的第二导通端子。 第一电阻器连接在第一晶体管的栅极和第一导电端子之间。 第一电流源连接到第一电阻器以向第一电阻器提供第一电流。 第一电阻器基于所提供的用于电偏置第一晶体管的栅极端的第一电流产生跨越的第一电压。

公开(公告)号：US08378747B2

公开(公告)日：2013-02-19

申请号：US13010124

申请日：2011-01-20

Applicant: Katsuhiko Aisu

Inventor： Katsuhiko Aisu

IPC: H03F3/45

CPC classification number: H03F3/45188 ,  H03F2203/45526

Abstract: A differential amplifier circuit includes a differential input stage comprising first and second transistors whose sources are connected with each other, a constant current source connected between the sources of the first and second transistors and a ground, a current mirror circuit comprising third and fourth transistors whose sources are connected with a power supply source, a fifth transistor of a same conductive type as that of the first transistor, connected at a drain to a drain of the third transistor, connected at a source to a drain of the first transistor and connected at a gate to a reference voltage source; and a sixth transistor of a same conductive type as that of the second transistor, connected at a drain to a drain of the fourth transistor, connected at a source to a drain of the second transistor, and connected at a gate to the reference voltage source.

Abstract translation: 差分放大器电路包括差分输入级，其包括源极彼此连接的第一和第二晶体管，连接在第一和第二晶体管的源极与地之间的恒流源，包括第三和第四晶体管的电流镜电路， 源极与电源连接，与第一晶体管相同导电类型的第五晶体管连接到漏极到第三晶体管的漏极，源极连接到第一晶体管的漏极，并连接到 参考电压源的门; 以及与第二晶体管相同的导电类型的第六晶体管，连接在第四晶体管的漏极到漏极，源极连接到第二晶体管的漏极，并在栅极连接到参考电压源 。

公开(公告)号：US10078010B2

公开(公告)日：2018-09-18

申请号：US14978172

申请日：2015-12-22

Applicant: Katsuhiko Aisu ,  Hirofumi Watanabe ,  Takaaki Negoro ,  Yoshinori Ueda ,  Yasukazu Nakatani ,  Kazuhiro Yoneda ,  Katsuyuki Sakurano

Inventor： Katsuhiko Aisu ,  Hirofumi Watanabe ,  Takaaki Negoro ,  Yoshinori Ueda ,  Yasukazu Nakatani ,  Kazuhiro Yoneda ,  Katsuyuki Sakurano

IPC: G01J1/44 ,  H04N5/361 ,  H04N5/365 ,  H04N5/378

CPC classification number: G01J1/44 ,  G01J2001/444 ,  G01J2001/4473 ,  H04N5/361 ,  H04N5/3655 ,  H04N5/378

Abstract: A photoelectric conversion device includes a pixel cell including a phototransistor, a reference cell including a reference transistor having a temperature characteristic identical to that of the phototransistor and having a fixed electrical state, an analog-to-digital converter that converts an analog output of the pixel cell into a digital output, a correction amount computation unit that computes a correction amount for the digital output of the analog-to-digital converter based on an output of the reference cell and a reference value, and a correction unit that corrects the digital output of the analog-to-digital converter based on the correction amount.

公开(公告)号：US09923019B2

公开(公告)日：2018-03-20

申请号：US14935973

申请日：2015-11-09

Applicant: Takaaki Negoro ,  Yoshinori Ueda ,  Katsuyuki Sakurano ,  Yasukazu Nakatani ,  Kazuhiro Yoneda ,  Katsuhiko Aisu

Inventor： Takaaki Negoro ,  Yoshinori Ueda ,  Katsuyuki Sakurano ,  Yasukazu Nakatani ,  Kazuhiro Yoneda ,  Katsuhiko Aisu

IPC: H01L31/0224 ,  H04N5/378 ,  H04N5/361 ,  H01L31/0352 ,  H01L31/18 ,  H01L27/146

CPC classification number: H01L27/14681 ,  H01L27/14612

Abstract: A semiconductor device for converting incident light into an electric current includes a semiconductor substrate; an electrode embedded in the semiconductor substrate; an insulation film contacting the electrode in the semiconductor substrate; a first semiconductor region of a first conductivity type, a second semiconductor region of a second conductivity type and a third semiconductor region of the first conductivity type, formed sequentially in a depth direction from a side of a front face of the semiconductor substrate; and a fourth semiconductor region of the second conductivity type contacting the insulation film and the second semiconductor region. An impurity concentration of the fourth semiconductor region is greater than an impurity concentration of the second semiconductor region.

公开(公告)号：US09571770B2

公开(公告)日：2017-02-14

申请号：US13745197

申请日：2013-01-18

Applicant: Yutaka Hayashi ,  Toshitaka Ota ,  Yasushi Nagamune ,  Hirofumi Watanabe ,  Kazuhiro Yoneda ,  Katsuhiko Aisu ,  Takaaki Negoro

Inventor： Yutaka Hayashi ,  Toshitaka Ota ,  Yasushi Nagamune ,  Hirofumi Watanabe ,  Kazuhiro Yoneda ,  Katsuhiko Aisu ,  Takaaki Negoro

IPC: H04N5/378 ,  H01L27/144

CPC classification number: H04N5/378 ,  H01L27/144

Abstract: A sense circuit includes a differential amplifier circuit including an inverting input section, a non-inverting input section and an output section, an electrical capacitor connected between the inverting input section and the output section, and a field effect transistor including a source, a drain, and a gate. One of the source and the drain is connected to the inverting input section, and the other of the source and the drain is connected to the output section. A reference potential is supplied to the non-inverting input section, and an output section of a photoelectric conversion cell having an added switching function is connected to the inverting input section.

Abstract translation: 感测电路包括差分放大器电路，其包括反相输入部分，非反相输入部分和输出部分，连接在反相输入部分和输出部分之间的电容器，以及场效应晶体管，其包括源极，漏极 ，和一个门。 源极和漏极之一连接到反相输入部分，源极和漏极中的另一个连接到输出部分。 参考电位被提供给非反相输入部分，并且具有增加的开关功能的光电转换单元的输出部分连接到反相输入部分。

公开(公告)号：US20130187030A1

公开(公告)日：2013-07-25

申请号：US13745197

申请日：2013-01-18

Applicant: Yutaka Hayashi ,  Toshitaka Ota ,  Yasushi Nagamune ,  Hirofumi Watanabe ,  Kazuhiro Yoneda ,  Katsuhiko Aisu ,  Takaaki Negoro

Inventor： Yutaka Hayashi ,  Toshitaka Ota ,  Yasushi Nagamune ,  Hirofumi Watanabe ,  Kazuhiro Yoneda ,  Katsuhiko Aisu ,  Takaaki Negoro

IPC: H01L27/144

CPC classification number: H04N5/378 ,  H01L27/144

Abstract: A sense circuit includes a differential amplifier circuit including an inverting input section, a non-inverting input section and an output section, an electrical capacitor connected between the inverting input section and the output section, and a field effect transistor including a source, a drain, and a gate. One of the source and the drain is connected to the inverting input section, and the other of the source and the drain is connected to the output section. A reference potential is supplied to the non-inverting input section, and an output section of a photoelectric conversion cell having an added switching function is connected to the inverting input section.

Abstract translation: 感测电路包括差分放大器电路，其包括反相输入部分，非反相输入部分和输出部分，连接在反相输入部分和输出部分之间的电容器，以及场效应晶体管，其包括源极，漏极 ，和一个门。 源极和漏极之一连接到反相输入部分，源极和漏极中的另一个连接到输出部分。 参考电位被提供给非反相输入部分，并且具有增加的开关功能的光电转换单元的输出部分连接到反相输入部分。

公开(公告)号：US06278322B1

公开(公告)日：2001-08-21

申请号：US09537170

申请日：2000-03-29

Applicant: Katsuhiko Aisu ,  Junichi Ikeda

Inventor： Katsuhiko Aisu ,  Junichi Ikeda

IPC: H03K345

CPC classification number: H03K17/6872 ,  H03F3/45197 ,  H03G1/0088

Abstract: A first output stage outputs current to an output terminal via current-mirror circuits based on a voltage difference input to non-inverting and inverting terminals. A second output stage comprises current providing transistors connected with the current-mirror circuits of the first output stage in a current-mirror manner for providing current, and outputs the current to the output terminal via rectifying components and switches.

Abstract translation: 第一输出级基于输入到非反相和反相端子的电压差，通过电流镜电路向输出端输出电流。 第二输出级包括以电流镜方式与第一输出级的电流镜电路连接的电流提供晶体管，用于提供电流，并通过整流元件和开关将电流输出到输出端。

公开(公告)号：US09749566B2

公开(公告)日：2017-08-29

申请号：US14641683

申请日：2015-03-09

Applicant: Kazuhiro Yoneda ,  Hirofumi Watanabe ,  Takaaki Negoro ,  Katsuhiko Aisu ,  Yasukazu Nakatani ,  Katsuyuki Sakurano

Inventor： Kazuhiro Yoneda ,  Hirofumi Watanabe ,  Takaaki Negoro ,  Katsuhiko Aisu ,  Yasukazu Nakatani ,  Katsuyuki Sakurano

IPC: H04N5/374 ,  H04N5/355

CPC classification number: H04N5/374 ,  H04N5/35527

Abstract: An imaging device includes a photoelectric conversion element which photoelectrically converts incident light and generates a charge, accumulates and amplifies the charge, and outputs a photocurrent, wherein a level of an output signal when a charge which is accumulated in the photoelectric conversion element is outputted over a saturated amount of accumulable charge includes a level of an output signal of a charge of a photocurrent of DC component which is generated in the photoelectric conversion element and outputted during a readout time when the charge which is accumulated in the photoelectric conversion element is outputted.

公开(公告)号：US09478568B2

公开(公告)日：2016-10-25

申请号：US14305821

申请日：2014-06-16

Applicant: Katsuhiko Aisu ,  Takaaki Negoro ,  Kazuhiro Yoneda ,  Katsuyuki Sakurano ,  Hirofumi Watanabe

Inventor： Katsuhiko Aisu ,  Takaaki Negoro ,  Kazuhiro Yoneda ,  Katsuyuki Sakurano ,  Hirofumi Watanabe

IPC: H01L27/144 ,  H01L27/146 ,  H04N5/359 ,  H04N5/374 ,  H04N5/3745

CPC classification number: H01L27/144 ,  H01L27/14609 ,  H04N5/359 ,  H04N5/374 ,  H04N5/3745

Abstract: A photoelectric conversion device includes a first output line, a second output line; and a photoelectric conversion cell. The photoelectric conversion cell further includes, a photoelectric conversion element configured to generate an output current corresponding to an intensity of incident light, a first switch element configured to transmit the first output current to the first output line according to a first control signal, and a second switch element configured to transmit the second output current to second output line according to a second control signal. As a result, the photoelectric conversion device can be provided to generate rapidly the image data with wide dynamic range without the need for complex control outside of the photoelectric conversion device.

Abstract translation: 光电转换装置包括第一输出线，第二输出线， 和光电转换单元。 光电转换单元还包括：光电转换元件，被配置为产生与入射光强度相对应的输出电流;第一开关元件，被配置为根据第一控制信号将第一输出电流传输到第一输出线;以及 第二开关元件，被配置为根据第二控制信号将第二输出电流传输到第二输出线。 结果，可以提供光电转换装置以快速生成具有宽动态范围的图像数据，而不需要光电转换装置外部的复杂控制。

公开(公告)号：US20160195431A1

公开(公告)日：2016-07-07

申请号：US14978172

申请日：2015-12-22

Applicant: Katsuhiko Aisu ,  Hirofumi Watanabe ,  Takaaki Negoro ,  Yoshinori Ueda ,  Yasukazu Nakatani ,  Kazuhiro Yoneda ,  Katsuyuki Sakurano

Inventor： Katsuhiko Aisu ,  Hirofumi Watanabe ,  Takaaki Negoro ,  Yoshinori Ueda ,  Yasukazu Nakatani ,  Kazuhiro Yoneda ,  Katsuyuki Sakurano

IPC: G01J1/44

CPC classification number: G01J1/44 ,  G01J2001/444 ,  G01J2001/4473 ,  H04N5/361 ,  H04N5/3655 ,  H04N5/378

Abstract: A photoelectric conversion device includes a pixel cell including a phototransistor, a reference cell including a reference transistor having a temperature characteristic identical to that of the phototransistor and having a fixed electrical state, an analog-to-digital converter that converts an analog output of the pixel cell into a digital output, a correction amount computation unit that computes a correction amount for the digital output of the analog-to-digital converter based on an output of the reference cell and a reference value, and a correction unit that corrects the digital output of the analog-to-digital converter based on the correction amount.

Abstract translation: 光电转换装置包括具有光电晶体管的像素单元，具有与光电晶体管的温度特性相同的具有固定电气状态的参考晶体管的参考晶体管，转换模拟输出的模数转换器 像素单元转换为数字输出;校正量计算单元，其基于所述参考单元的输出和参考值计算所述模数转换器的数字输出的校正量，以及校正单元， 基于校正量的模数转换器的输出。