公开(公告)号：US20160373666A1

公开(公告)日：2016-12-22

申请号：US15251176

申请日：2016-08-30

Applicant: OLYMPUS CORPORATION

Inventor： Makoto ONO ,  Nana AKAHANE ,  Masashi SAITO ,  Yoshio HAGIHARA ,  Susumu YAMAZAKI

IPC: H04N5/357 ,  A61B1/05 ,  A61B1/00 ,  G02B23/24

CPC classification number: H04N5/357 ,  A61B1/00009 ,  A61B1/045 ,  A61B1/05 ,  G02B23/2484 ,  H04N5/3655 ,  H04N5/378 ,  H04N2005/2255

Abstract: An image sensor includes: photoelectric conversion elements configured to receive light and accumulate a charge corresponding to an amount of received light; an imaging signal generating unit that converts the charge accumulated in each photoelectric conversion element into a voltage to generate an imaging signal; and a reference signal generating unit that generates a reference signal having a fluctuation component with a same phase as the imaging signal. The imaging signal generating unit includes: a conversion circuit that converts the charge accumulated in each photoelectric conversion element into the imaging signal; a noise eliminating circuit that eliminates a noise component included in the imaging signal; and an output circuit that outputs the imaging signal from the conversion circuit. The reference signal generating unit includes a circuit having a same structure as that of at least one of the conversion circuit, the noise eliminating circuit, and the output circuit.

Abstract translation: 图像传感器包括：光电转换元件，被配置为接收光并累积与所接收的光量相对应的电荷; 成像信号产生单元，其将在每个光电转换元件中累积的电荷转换成电压以产生成像信号; 以及参考信号生成单元，其生成具有与成像信号相同相位的波动分量的参考信号。 成像信号发生单元包括：转换电路，其将在每个光电转换元件中累积的电荷转换成成像信号; 噪声消除电路，其消除包括在成像信号中的噪声分量; 以及输出来自转换电路的摄像信号的输出电路。 参考信号发生单元包括具有与转换电路，噪声消除电路和输出电路中的至少一个相同结构的电路。

公开(公告)号：US20230007196A1

公开(公告)日：2023-01-05

申请号：US17942360

申请日：2022-09-12

Applicant: OLYMPUS CORPORATION

Inventor： Yoshio HAGIHARA

IPC: H04N5/369 ,  H04N5/3745

Abstract: An imaging device includes a voltage generation circuit and an output circuit. The voltage generation circuit includes a first capacitance element including a fifth terminal. The voltage generation circuit is configured to provide the fifth terminal with a first voltage in accordance with a power source voltage so as to store an electric charge in the first capacitance element. The voltage generation circuit is configured to increase a voltage of the fifth terminal by a second voltage in accordance with the power source voltage so as to generate a control voltage having a greater absolute value than an absolute value of the power source voltage. The output circuit is configured to output the control voltage to at least one of a gate terminal of a reset transistor of a pixel and a gate terminal of a transfer transistor of the pixel.

公开(公告)号：US20210168287A1

公开(公告)日：2021-06-03

申请号：US17154006

申请日：2021-01-21

Applicant: OLYMPUS CORPORATION

Inventor： Yoshio HAGIHARA

IPC: H04N5/232 ,  H02M3/07 ,  G02B23/24

Abstract: A booster apparatus includes a voltage conversion control circuit configured to generate second power supply voltage, based on the ground voltage, first power supply voltage, and a driving clock signal. The voltage conversion control circuit includes: a booster circuit configured to generate the second power supply voltage based on an input booster clock signal; a clock buffer configured to generate the booster clock signal and output the generated booster clock signal to the booster circuit; and a voltage comparator that includes: a first voltage generation circuit configured to generate a first signal with a first voltage level; a second voltage generation circuit configured to generate a second signal with a second voltage level; and a comparator configured to compare the first voltage level and the second voltage level and control input of the driving clock signal to be supplied to the clock buffer based on a comparison result.

公开(公告)号：US20150381866A1

公开(公告)日：2015-12-31

申请号：US14847226

申请日：2015-09-08

Applicant: OLYMPUS CORPORATION

Inventor： Makoto ONO ,  Nana AKAHANE ,  Masashi SAITO ,  Yoshio HAGIHARA ,  Susumu YAMAZAKI

IPC: H04N5/225 ,  H04N5/232

CPC classification number: H04N5/2256 ,  A61B1/00018 ,  A61B1/045 ,  H04N5/23241 ,  H04N2005/2255

Abstract: An imaging element includes: a plurality of pixels configured to receive light from outside and generate and output an imaging signal depending on an amount of the light received; a first transfer line connected to the pixel; a second transfer line; a column selection switch configured to select one pixel column and output the imaging signal to the second transfer line; a column source follower including a gate to which the imaging signal transferred by the first transfer line is input, a drain end being connected to a power supply voltage, and a source end being connected to the column selection switch; a constant current source configured to drive the column source follower and read out the imaging signal to the second transfer line; and a current generating unit configured to flow a predetermined current to the source end side of the column source follower.

Abstract translation: 成像元件包括：多个像素，被配置为从外部接收光，并根据所接收的光量产生并输出成像信号; 连接到像素的第一传输线; 第二条转运线 列选择开关，被配置为选择一个像素列并将成像信号输出到第二传输线; 包括输入由第一传输线传送的成像信号的栅极的列源极跟随器，漏极端连接到电源电压，源极端连接到列选择开关; 恒流源，被配置为驱动所述列源极跟随器并将所述成像信号读出到所述第二传输线; 以及电流产生单元，被配置为使预定电流流到所述列源极跟随器的源极端侧。