公开(公告)号：US20180008124A1

公开(公告)日：2018-01-11

申请号：US15712950

申请日：2017-09-22

Applicant: OLYMPUS CORPORATION

Inventor： Takehide FUJIMOTO ,  Nanako UBAYAMA ,  Hitoshi KOMINE ,  Yutaka FUJISAWA ,  Hideki KATO ,  Sadaaki TOMURA

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

Abstract: An endoscope power supply system includes an endoscope including an imaging unit that images an object, a housing apparatus to which the endoscope is detachably connected, a plurality of power source units that are provided in the housing apparatus and configured to output electric power different from one another, switches each provided in an output stage of each of the power source units of the housing apparatus and formed of two FETs that are back-to-back connected, and a controller that is provided in the housing apparatus, selects a power source unit necessary to operate the endoscope from the power source units, and controls the switches to output electric power generated by the selected power source unit to the endoscope

公开(公告)号：US20160156835A1

公开(公告)日：2016-06-02

申请号：US15013085

申请日：2016-02-02

Applicant: OLYMPUS CORPORATION

Inventor： Kotaro OGASAWARA ,  Yutaka FUJISAWA ,  Takehide FUJIMOTO ,  Kiyotaka KANNO

IPC: H04N5/232

CPC classification number: H04N5/23212 ,  G02B7/36 ,  G03B37/005 ,  H04N5/23296 ,  H04N2005/2255

Abstract: An image pickup apparatus is provided with: an objective optical system; an image pickup device; a contrast AF section adjusting a focus so that a peak value of a contrast evaluation value of an image is taken; an amount-of-motion detecting section detecting, from a plurality of time-series images, amounts of motion of the subject; and a control section controlling the contrast AF section so as to calculate another contrast evaluation value in a region where a region to be excluded where an amount of motion is equal to or larger than a threshold is excluded from a calculation target region, and the contrast AF section corrects the other contrast evaluation value based on an area of the calculation target region and an area of the region where the region to be excluded is excluded from the calculation target region.

Abstract translation: 一种摄像装置具有：物镜光学系统; 图像拾取装置; 对焦AF部分，调整焦点，使得拍摄图像的对比度评估值的峰值; 运动量检测部分，从多个时间序列图像中检测所述被摄体的运动量; 以及控制部，控制对比度AF部，以计算在运动量等于或大于阈值的被排除区域的区域中的另一个对比度评估值，并且对比度 AF部根据计算对象区域的面积和从计算对象区域排除被排除区域的区域的区域来校正其他对比度评价值。

公开(公告)号：US20210093167A1

公开(公告)日：2021-04-01

申请号：US17119280

申请日：2020-12-11

Applicant: OLYMPUS CORPORATION

Inventor： Yutaka FUJISAWA

IPC: A61B1/00 ,  A61B1/045 ,  A61B1/05 ,  H04N5/225 ,  H04N5/232

Abstract: An endoscope includes: an insertion portion to be inserted into a subject; a distal end portion that is arranged on a distal end side of the insertion portion, the distal end portion including as imager and an actuator; an operating portion that is arranged on a proximal end side of the insertion portion, the operating portion including a relay substrate that is electrically connected to the imager and the actuator via a first cable; a connector substrate that is electrically connected to the relay substrate via a second cable; and a proximal end portion including a connector. The first cable includes a first actuator signal line. The second cable includes a second actuator signal line. The second actuator signal line has a larger outer diameter than an outer diameter of the first actuator signal line.

公开(公告)号：US20170123181A1

公开(公告)日：2017-05-04

申请号：US15404255

申请日：2017-01-12

Applicant: OLYMPUS CORPORATION

Inventor： Yutaka FUJISAWA ,  Hiroshi UNSAI ,  Teruyuki NISHIHARA ,  Takeshi SUGA

IPC: G02B7/09 ,  G02B23/24 ,  A61B1/00

CPC classification number: G02B7/09 ,  A61B1/00 ,  A61B1/00188 ,  G02B7/04 ,  G02B7/08 ,  G02B23/2476

Abstract: A lens driving apparatus, includes: a soft iron; a magnet; a driver circuit; and a timing generation circuit, wherein when a first instruction is provided, the timing generation circuit generates the first drive signal, and controls the driver circuit to continuously generate the first drive signal with a period not allowing overheat caused by energization of the electromagnetic actuator even after the soft iron comes into contact with the end part until the second instruction is provided, and when a second instruction is provided, the timing generation circuit generates a second drive signal, and controls the driver circuit to continuously generate the second drive signal with a period not allowing overheat caused by energization of the electromagnetic actuator even after the soft iron comes into contact with the other end part until the first instruction is provided.

公开(公告)号：US20160331211A1

公开(公告)日：2016-11-17

申请号：US15219460

申请日：2016-07-26

Applicant: OLYMPUS CORPORATION

Inventor： Yutaka FUJISAWA

IPC: A61B1/00 ,  A61B1/005 ,  G02B23/24 ,  G01R31/02 ,  G02B7/08 ,  A61B1/05 ,  A61B1/045

CPC classification number: A61B1/00027 ,  A61B1/00 ,  A61B1/00006 ,  A61B1/00057 ,  A61B1/00188 ,  A61B1/005 ,  A61B1/045 ,  A61B1/05 ,  G01R31/02 ,  G01R31/025 ,  G02B7/08 ,  G02B23/243 ,  G02B23/26

Abstract: An actuator control apparatus includes: a drive circuit configured to apply a current for causing an actuator to drive a driven body; a constant current circuit and configured to control a current value of the current applied to the actuator by the drive circuit; a sense resistance connectable to the drive circuit and in which the current passing through the actuator flows; a change-over switch configured to switch a connection destination of the drive circuit from the constant current circuit to the sense resistance in a predetermined period in a current application period in which the current is applied to the actuator by the drive circuit; and an FPGA configured to detect a resistance value of predetermined circuits including the actuator through which the current passes, based on the current flowing in the sense resistance, and configured to detect an abnormality of the actuator based on the detection result.

Abstract translation: 执行器控制装置包括：驱动电路，被配置为施加用于使致动器驱动被驱动体的电流; 恒流电路，被配置为控制由驱动电路施加到致动器的电流的电流值; 可连接到驱动电路并且其中通过致动器的电流流动的感测电阻; 转换开关，其被配置为在由所述驱动电路将所述电流施加到所述致动器的当前施加期间内将所述驱动电路的连接目的地从所述恒定电流电路切换到所述检测电阻; 以及FPGA，被配置为基于在感测电阻中流动的电流来检测包括电流通过的致动器的预定电路的电阻值，并且被配置为基于检测结果来检测致动器的异常。

公开(公告)号：US20160330415A1

公开(公告)日：2016-11-10

申请号：US15212829

申请日：2016-07-18

Applicant: OLYMPUS CORPORATION

Inventor： Kyosuke MIZUNO ,  Hitoshi KOMINE ,  Yutaka FUJISAWA ,  Takehide FUJIMOTO ,  Hideki KATO ,  Sadaaki TOMURA ,  Nanako UBAYAMA

IPC: H04N9/04 ,  G02B23/24 ,  H04N5/77 ,  H04N5/343 ,  H04N5/235

CPC classification number: H04N9/045 ,  G02B23/2484 ,  H04N5/2351 ,  H04N5/343 ,  H04N5/345 ,  H04N5/3452 ,  H04N5/351 ,  H04N5/77 ,  H04N5/772 ,  H04N9/09 ,  H04N9/797 ,  H04N9/8042 ,  H04N2005/2255

Abstract: A solid-state imaging apparatus includes an imaging unit that images a subject to generate a plurality of pieces of image data having information corresponding to different types of color components at same pixel positions, an operation mode setting unit that sets an operation mode of the imaging unit, a thinning rate setting unit that sets a thinning rate relative to each of the plurality of pieces of image data of the different types of color components in accordance with the operation mode, a thinning processor that performs thinning processing relative to each of the plurality of pieces of image data of the different types of color components generated by the imaging unit in accordance with the thinning rate, and a transmission unit that transmits the plurality of pieces of image data of different types of color components subjected to the thinning processing.

Abstract translation: 一种固态成像装置，包括成像单元，其对对象进行成像，以生成具有与在相同像素位置处的不同类型的颜色分量相对应的信息的多个图像数据;操作模式设置单元，其设置成像的操作模式 单元，稀疏率设置单元，其根据操作模式设置相对于不同类型的颜色分量的多个图像数据中的每一个的间隔率;稀疏处理器，其相对于多个颜色分量执行稀疏处理; 根据变薄率由成像单元生成的不同类型的颜色分量的图像数据的片段;以及发送单元，其发送经过稀疏处理的不同类型的颜色分量的多个图像数据。

公开(公告)号：US20160198076A1

公开(公告)日：2016-07-07

申请号：US15069320

申请日：2016-03-14

Applicant: OLYMPUS CORPORATION

Inventor： Takehide FUJIMOTO ,  Kiyotaka KANNO ,  Yutaka FUJISAWA ,  Kotaro OGASAWARA

IPC: H04N5/235 ,  G02B7/09 ,  G02B7/28 ,  H04N5/225

CPC classification number: H04N5/2352 ,  A61B1/00009 ,  A61B1/00188 ,  A61B1/045 ,  A61B1/0669 ,  G02B7/09 ,  G02B7/28 ,  G02B7/36 ,  G02B23/2438 ,  G02B23/2469 ,  G02B23/2484 ,  G03B13/36 ,  G03B15/03 ,  H04N5/2256 ,  H04N5/23212 ,  H04N5/2351 ,  H04N2005/2255

Abstract: There is provided an image pickup system for endoscope including: a light source; an image forming optical system; a focus lens driving section; an image pickup section outputting an image signal; an image signal amplifying section; an image brightness detecting section; a brightness adjusting section adjusting a brightness control condition such as a light quantity of the light source, an image pickup condition of the image pickup section and an amplification factor of the amplifying section so that brightness of an image becomes a predetermined brightness; an auxiliary AF section estimating a temporary focus position based on the brightness control condition; a control section setting a small scanning range including the temporary focus position; and a contrast AF section causing contrast AF to be performed in the scanning range.

Abstract translation: 提供了一种用于内窥镜的图像拾取系统，包括：光源; 成像光学系统; 聚焦透镜驱动部; 输出图像信号的图像拾取部分; 图像信号放大部分; 图像亮度检测部; 调节诸如光源的亮度等的亮度控制条件，摄像部分的摄像条件和放大部分的放大系数的亮度调节部分，使得图像的亮度变为预定的亮度; 辅助AF部，基于亮度控制条件来估计临时聚焦位置; 设置包括所述临时对焦位置的小扫描范围的控制部; 以及在扫描范围内执行对比度AF的对比度AF部分。