公开(公告)号：US11284779B2

公开(公告)日：2022-03-29

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 ,  H04N7/18

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：US09621814B2

公开(公告)日：2017-04-11

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 ,  G02B7/28 ,  G02B7/36 ,  H04N5/232 ,  G02B7/09 ,  G03B13/36 ,  H04N5/225 ,  G03B15/03

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.

公开(公告)号：US09661284B2

公开(公告)日：2017-05-23

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 ,  H04N5/77 ,  G02B23/24 ,  H04N5/235 ,  H04N5/343 ,  H04N9/09

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.

公开(公告)号：US09603505B2

公开(公告)日：2017-03-28

申请号：US15219460

申请日：2016-07-26

Applicant: OLYMPUS CORPORATION

Inventor： Yutaka Fujisawa

IPC: A61B5/044 ,  H02P1/32 ,  A61B1/00 ,  G01R31/02 ,  G02B23/26 ,  A61B1/005 ,  A61B1/045 ,  A61B1/05 ,  G02B7/08 ,  G02B23/24

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.

公开(公告)号：US10463230B2

公开(公告)日：2019-11-05

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：US09444994B2

公开(公告)日：2016-09-13

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 ,  H04N5/225

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。