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公开(公告)号：US20180228354A1
公开(公告)日：2018-08-16
申请号：US15951238
申请日：2018-04-12
Applicant: OLYMPUS CORPORATION
Inventor： Yusuke YABE , Satoshi TANAKA , Tomoya TAKAHASHI , Masaaki WATANABE , Susumu HASHIMOTO , Yasuo KOMATSU , Manabu YAJIMA , Akihiko MOCHIDA , Koji OMORI
CPC classification number: A61B1/0661 , A61B1/043 , A61B1/05 , A61B1/0638 , A61B1/0646 , A61B1/0653 , A61B1/0669 , A61B1/07 , G02B23/2469
Abstract: A light source device for endoscope includes a rotational body configured to rotate with a rotational axis as a center; a fluorescent body arranged in a predetermined area of the rotational body and configured to generate fluorescence by excitation light being radiated; an illuminating portion capable of selectively radiating excitation light of a first quantity and excitation light of a second quantity which is larger than the first quantity to a fluorescent body; and a control portion configured to switch between a first state of radiating the excitation light of the first quantity to the fluorescent body arranged in a first area and a second state of radiating the excitation light of the second quantity to the fluorescent body arranged in a second area.
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公开(公告)号：US20170208236A1
公开(公告)日：2017-07-20
申请号：US15478616
申请日：2017-04-04
Applicant: OLYMPUS CORPORATION
Inventor： Yusuke YABE , Tomoya TAKAHASHI , Satoshi TANAKA
CPC classification number: H04N5/2353 , A61B1/00009 , A61B1/00045 , A61B1/045 , A61B1/051 , A61B1/0638 , A61B1/0676 , A61B1/0684 , G02B23/2461 , H04N5/2256 , H04N5/2351 , H04N5/378 , H04N9/045 , H04N2005/2255
Abstract: An image pickup system includes a light source apparatus and a light-source control section performing first control for setting a duty width and perform second control for, after the duty width is set to a minimum duty width by the first control, changing supply timing of the illumination light not to supply the illumination light in a period other than the period where the light amount control by the PWM is permitted and to supply, in the period where the light amount control by the PWM is permitted, light having a light amount integrated value equal to a light amount integrated value supplied in the period other than the period where the light amount control by the PWM is permitted, and an image pickup apparatus, where data representing a driving current value after the change of the supply timing and a value of the pulse width is stored.
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公开(公告)号：US20170202445A1
公开(公告)日：2017-07-20
申请号：US15478328
申请日：2017-04-04
Applicant: OLYMPUS CORPORATION
Inventor： Aiko SAKAI , Yusuke YABE , Tomoya TAKAHASHI , Kazue HONGO
CPC classification number: A61B1/0684 , A61B1/00009 , A61B1/00045 , A61B1/051 , A61B1/06 , A61B1/0676 , G02B23/2469 , G02B23/26 , H04N5/2256 , H04N5/2354 , H04N2005/2255 , H05B33/0866 , H05B33/0869 , H05B33/0872 , H05B33/0884 , H05B33/089
Abstract: A light source apparatus includes: a light source; a light source driving section; a light detection section; a temperature detection section; and a control section being configured to, when determining that detected brightness is outside a range of brightness set for detecting abnormality in the light source or the light detection section and detected temperature is within a range of temperature set for detecting the abnormality in the light source or the light detection section, cause the light source driving section to perform driving of the light source for a case of abnormality in the light detection section, and when determining that the detected brightness is outside the range of brightness and the detected temperature is outside the range of temperature, cause the light source driving section to perform driving of the light source for a case of abnormality in the light source.
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公开(公告)号：US20170105258A1
公开(公告)日：2017-04-13
申请号：US15383131
申请日：2016-12-19
Applicant: OLYMPUS CORPORATION
Inventor： Aiko SAKAI , Yusuke YABE , Tomoya TAKAHASHI
CPC classification number: H05B33/0848 , A61B1/04 , A61B1/06 , A61B1/0661 , G02B23/2461 , H05B33/0869
Abstract: A light source device includes a semiconductor light source, a light source control section, an optical sensor, a sensor control section, and an intensity adjusting section. The light source control section controls a light quantity per field of light to be emitted from the semiconductor light source, by pulse width modulation. The optical sensor receives the light emitted from the semiconductor light source to acquire a quantity of the received light. The sensor control section controls the optical sensor to detect the light in an exposure period shorter than a minimum pulse width in the pulse width modulation, thereby acquiring the quantity of the received light which is acquired by the optical sensor. The intensity adjusting section adjusts emission intensity of the semiconductor light source on the basis of the quantity of the received light.
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公开(公告)号：US20160235285A1
公开(公告)日：2016-08-18
申请号：US15142507
申请日：2016-04-29
Applicant: OLYMPUS CORPORATION
Inventor： Yutaka SHIROTA , Tomoya TAKAHASHI , Masato TODA , Yusuke YABE , Yusuke YOSHIDA , Aiko SAKAI , Takahiro MASAKI , Takahiro HAYAMA , Ryo MACHIDA , Koji OMORI
CPC classification number: A61B1/128 , A61B1/00006 , A61B1/04 , A61B1/0638 , A61B1/0669 , A61B1/0684 , A61B1/07 , G02B23/2461 , G02B27/141 , H01L33/64
Abstract: An endoscope apparatus includes: first and second cooling units configured to cool first and second light source portions; an image pickup portion configured to generate a picked-up image; and a cooling control portion configured to control amounts of light emission of the light source portions while maintaining an amount-of-light ratio so that the brightness of the picked-up image becomes the target brightness and control cooling based on the information about the amount-of-light ratio and the brightness control information; wherein the cooling control portion decides a cooling capacity of the first cooling units and a cooling capacity of the second cooling units for cooling the respective light source portions for which the amounts of light emission are controlled, at the cooling ratio, so as to cause the light source portions to be included within a predetermined temperature range, based on the brightness control information.
Abstract translation: 内窥镜装置包括：第一和第二冷却单元，被配置为冷却第一和第二光源部分; 被配置为生成拾取图像的图像拾取部分; 以及冷却控制部，其配置为在保持光量比的同时控制光源部的发光量，使得所拾取的图像的亮度成为目标亮度，并且基于关于量的信息来控制冷却 亮度比和亮度控制信息; 其中所述冷却控制部分以所述冷却比率决定所述第一冷却单元的冷却能力和所述第二冷却单元的冷却能力，所述第二冷却单元用于冷却以所述冷却比率控制所述发光量的各个光源部分， 基于亮度控制信息将光源部分包括在预定温度范围内。
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Patent Agency Ranking
公开(公告)号：US20180042470A1
公开(公告)日：2018-02-15
申请号：US15730091
申请日：2017-10-11
Applicant: OLYMPUS CORPORATION
Inventor： Satoshi TANAKA , Yusuke YABE , Tomoya TAKAHASHI , Masaaki WATANABE , Susumu HASHIMOTO , Yasuo KOMATSU , Manabu YAJIMA , Akihiko MOCHIDA , Koji OMORI
CPC classification number: A61B1/0676 , A61B1/00096 , A61B1/06 , A61B1/0638 , A61B1/0669 , G02B23/24 , G02B23/2461 , G02B23/2484
Abstract: A light source device for endoscope includes: an irradiation portion capable of radiating excitation light; a rotating body provided on an optical axis of the excitation light and configured to rotate with a rotating shaft as a center; a phosphor arranged in an irradiation area of the excitation light, and configured to generate fluorescence by being irradiated with the excitation light; a light quantity control portion configured to control irradiation intensity or irradiation time of the excitation light; and a rotation control portion configured to rotate the rotating body at a predetermined speed when the excitation light is radiated with a first irradiation intensity or time and rotate the rotating body faster than the predetermined speed when reducing the irradiation intensity or the irradiation time of the excitation light is reduced in the irradiation intensity or time vis-a-vis the first ones.
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公开(公告)号：US20160306163A1
公开(公告)日：2016-10-20
申请号：US15196756
申请日：2016-06-29
Applicant: OLYMPUS CORPORATION
Inventor： Aiko SAKAI , Ryo MACHIDA , Yusuke YABE , Tomoya TAKAHASHI
CPC classification number: G02B23/2461 , A61B1/0638 , A61B1/0684 , A61B1/07 , G01J1/0418 , G01J1/0425 , G01J1/0437 , G01J1/0488 , G02B23/2469 , G02B27/141 , H05B33/0803 , H05B33/0848 , H05B33/0869
Abstract: A light source apparatus includes first and second light sources having different maximum light amounts used, a first light amount detection section detecting a light amount of first light of the first light source, a second light amount detection section detecting a light amount of second light of the second light source, a light amount limiting section limiting a light amount of light incident upon the second light amount detection section so that light amounts detected in the first light amount detection section and the second light amount detection section match a predetermined value within a detection range when light with the maximum light amounts used are emitted from the first light source and the second light source, and a control section controlling amounts of light emission of the first light source and the second light source based on detection results of the first and second light amount detection sections.
Abstract translation: 一种光源装置，包括：第一光量检测部，检测第一光源的第一光的光量;第二光量检测部，检测第二光的光量;第二光量检测部， 第二光源，限制入射到第二光量检测部分的光的光量的光量限制部分，使得在第一光量检测部分和第二光量检测部分中检测的光量在检测期间匹配预定值 根据第一和第二光源的检测结果，从第一光源和第二光源发射具有所使用的最大光量的光;以及控制部，其基于第一和第二光源的检测结果来控制第一光源和第二光源的发光量 光量检测部。
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公开(公告)号：US20160157322A1
公开(公告)日：2016-06-02
申请号：US15040089
申请日：2016-02-10
Applicant: OLYMPUS CORPORATION
Inventor： Yusuke YABE , Tomoya TAKAHASHI , Yusuke YOSHIDA , Masato TODA
CPC classification number: H05B33/0884 , A61B1/00002 , A61B1/00006 , A61B1/0684 , A61B1/12 , A61B1/128 , F21V29/54 , G02B23/2461 , H04N5/2256 , H04N5/2257 , H04N5/2354 , H04N2005/2255 , H05B33/0845
Abstract: A light source apparatus includes a cooling device configured to be able to cool a semiconductor light-emitting device, a light-emitting device drive section that supplies a semiconductor light-emitting device drive signal to the semiconductor light-emitting device, a cooling device drive section that supplies a cooling device drive signal to the cooling device, a semiconductor light-emitting device drive control section that sets a duty ratio of the semiconductor light-emitting device drive signal and controls an amount of light emission of the semiconductor light-emitting device, and a cooling device drive control section that generates the cooling device drive signal having a same duty ratio as the duty ratio of the semiconductor light-emitting device drive signal and having timing synchronized with the semiconductor light-emitting device drive signal and adjusts a signal level of the cooling device drive signal based on a measurement result of a temperature of the semiconductor light-emitting device.
Abstract translation: 光源装置包括：冷却装置，其能够冷却半导体发光装置;向半导体发光装置供给半导体发光装置驱动信号的发光装置驱动部;冷却装置驱动 将冷却装置驱动信号提供给冷却装置的半导体发光装置驱动控制部，其设定半导体发光装置驱动信号的占空比，并控制半导体发光装置的发光量 以及冷却装置驱动控制部，其生成与半导体发光装置驱动信号的占空比相同的占空比的冷却装置驱动信号，并且具有与半导体发光装置驱动信号同步的定时，并调整信号 基于半导体lig的温度的测量结果，冷却装置驱动信号的电平 ht发射设备。
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公开(公告)号：US20170202431A1
公开(公告)日：2017-07-20
申请号：US15473927
申请日：2017-03-30
Applicant: OLYMPUS CORPORATION
Inventor： Satoshi TANAKA , Tomoya TAKAHASHI , Takahiro MASAKI , Kazue HONGO
CPC classification number: A61B1/00006 , A61B1/00009 , A61B1/00114 , A61B1/04 , A61B1/06 , A61B1/0684 , G02B23/243 , G02B23/2461 , G02B23/2484 , G02B23/26
Abstract: An endoscope apparatus includes: a first semiconductor light-emitting element; a light source drive section; a first detection section; a storage section configured to store a threshold value indicating whether or not the first detection section can correctly detect an intensity; and a control section configured to, if the intensity detected by the first detection section exceeds the threshold value stored in the storage section, control the current value of the drive signal based on the intensity detected by the first detection section, for the light source drive section, and if the intensity detected by the first detection section does not exceed the threshold value, perform control so as to make the current value of the drive signal constant to provide pulsed light emission and change a duty cycle or a number of pulses to perform light adjustment, for the light source drive section.
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公开(公告)号：US20170085763A1
公开(公告)日：2017-03-23
申请号：US15368580
申请日：2016-12-03
Applicant: OLYMPUS CORPORATION
Inventor： Aiko SAKAI , Yusuke YABE , Tomoya TAKAHASHI , Satoshi TANAKA , Kotaro OGASAWARA , Susumu HASHIMOTO
CPC classification number: H04N5/2256 , A61B1/00163 , A61B1/06 , G02B23/2461 , G02B23/2484 , G02B23/26 , H04N2005/2255
Abstract: An image pickup system includes an optical sensor configured to pick up an optical image of an object illuminated with light of a plurality of colors emitted from a plurality of semiconductor light emitting elements with an image pickup device and detect each of light amounts of the light emitted from the plurality of semiconductor light emitting elements, and a controller including hardware. The controller adjusts color balance based on the light amounts of the plurality of colors detected at the optical sensor and sets an exposure timing of a light amount detecting unit according to image pickup operation of the image pickup device.
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