公开(公告)号：US20150327755A1

公开(公告)日：2015-11-19

申请号：US14812084

申请日：2015-07-29

Applicant: OLYMPUS CORPORATION

Inventor： Bakusui DAIDOJI ,  Kazuaki TAMURA ,  Takeshi ITO ,  Hiroyuki KAMEE

IPC: A61B1/06 ,  G02B23/24 ,  G01J3/10

CPC classification number: A61B1/0638 ,  A61B1/0653 ,  A61B1/0661 ,  G01J3/0218 ,  G01J3/10 ,  G02B23/2469

Abstract: A light source device includes: excitation light sources configured to emit a plurality of excitation light including mutually different spectra; wavelength converting members configured to wavelength-convert the excitation light emitted from the excitation light sources into light having mutually different spectra and configured to be disposed in a common application region of the excitation light; and a light source control unit configured to switch a combination of the excitation light sources that are lighted among the excitation light sources based on the observation mode including a normal light observation mode and a special light observation mode to highlight a particular observation target input to an input unit, wherein light emitted from the wavelength converting members is used as illumination light, and the illumination light corresponding to the observation modes is emitted from a same emitting portion.

Abstract translation: 光源装置包括：被配置为发射包括相互不同的光谱的多个激发光的激发光源; 被配置为将从激发光源发射的激发光波长转换成具有相互不同光谱的光的波长转换部件，并被配置为设置在激发光的共同的应用区域中; 以及光源控制单元，被配置为基于包括正常光观察模式和特殊光观察模式的观察模式来切换在激励光源之间点亮的激发光源的组合，以突出输入到特定观察目标的特定观察目标 输入单元，其中从波长转换构件发射的光用作照明光，并且与观察模式相对应的照明光从相同的发射部分发射。

公开(公告)号：US20200085288A1

公开(公告)日：2020-03-19

申请号：US16690247

申请日：2019-11-21

Applicant: OLYMPUS CORPORATION

Inventor： Kazuaki TAMURA ,  Satoshi OHARA

IPC: A61B1/06 ,  F21V9/30 ,  F21V8/00 ,  A61B1/07

Abstract: An illumination unit includes a light guide to guide primary light, a conversion member to convert the primary light into secondary light, and a holder holding an exit end of the light guide and the conversion member. The holder includes an entrance portion that the primary light enters, an exit portion to emit illumination light including the secondary light, and a fixing portion fixing the conversion member between the entrance portion and the exit portion in a direction of a central axis of the primary light. The fixing portion is arranged in a planar region perpendicular to the central axis of the primary light and on an inner peripheral face of the holder. The conversion member is in contact with the fixing portion.

公开(公告)号：US20190246888A1

公开(公告)日：2019-08-15

申请号：US16393127

申请日：2019-04-24

Applicant: OLYMPUS CORPORATION

Inventor： Kazuaki TAMURA ,  Satoshi OHARA

IPC: A61B1/06 ,  H01S5/40 ,  A61B1/07

CPC classification number: A61B1/0653 ,  A61B1/063 ,  A61B1/07 ,  F21S2/00 ,  F21V5/00 ,  H01S5/4012 ,  H01S5/4093

Abstract: An illuminating device includes a light source unit configured to emit primary light, and an illuminating unit configured to generate illumination light based on the primary light. The illuminating unit includes a light converter configured to convert optical characteristics of the primary light. The light converter includes a light transmitter through which the primary light is transmitted, and a light diffuser formed within the light transmitter. The light diffuser is configured to diffuse part of the primary light, generating secondary light included in the illumination light. The light diffuser has a refractive index different from a refractive index of the light transmitter. The light diffuser has a hole formed within the light transmitter, a refractive index-modifying portion, or a crack portion.

公开(公告)号：US20230050537A1

公开(公告)日：2023-02-16

申请号：US17973772

申请日：2022-10-26

Applicant: OLYMPUS CORPORATION

Inventor： Kazuaki TAMURA

IPC: A61B1/06

Abstract: An endoscope system includes a light source that emits illumination light, an image sensor that captures an image of an object toward which the illumination light is emitted, and a processor. The processor is configured to determine whether a fluid is present in the object. If the fluid is not present in the object, the processor switches to a first observation mode in which to illuminate the object by first illumination light. If the fluid is present in the object, the processor switches to a second observation mode in which to illuminate the object by second illumination light. The second illumination light includes is larger than the first illumination light in a relative ratio of long wavelength components.

公开(公告)号：US20180303312A1

公开(公告)日：2018-10-25

申请号：US16009340

申请日：2018-06-15

Applicant: OLYMPUS CORPORATION

Inventor： Kazuaki TAMURA ,  Masahiro NISHIO

IPC: A61B1/00 ,  A61B1/06 ,  A61B1/04 ,  A61B1/045 ,  H04N5/378 ,  H04N5/351

CPC classification number: A61B1/00006 ,  A61B1/00126 ,  A61B1/043 ,  A61B1/045 ,  A61B1/06 ,  A61B1/0653 ,  H04N5/351 ,  H04N5/378 ,  H04N2005/2255

Abstract: An endoscope illumination apparatus includes a light convertor including first and second light conversion members that receive primary light emitted from a primary light source and convert at least one of the optical properties of the primary light, a detector that receives at least part of first light conversion light converted by the first light conversion member as detection light, and outputs a detection signal corresponding to a quantity of the detection light, and an operation estimation circuit that estimates, based on an amount of change in the detection signal output from the detector, whether any one of the first and second light conversion members is in an abnormal operation or both of the first and second light conversion members are in an abnormal operation.

公开(公告)号：US20180100627A1

公开(公告)日：2018-04-12

申请号：US15835530

申请日：2017-12-08

Applicant: OLYMPUS CORPORATION

Inventor： Kazuaki TAMURA ,  Masahiro Nishio ,  Satoshi Ohara

IPC: F21K9/64 ,  G02B23/24 ,  F21V5/00

CPC classification number: F21K9/64 ,  A61B1/0653 ,  A61B1/07 ,  F21V5/002 ,  F21V7/04 ,  F21V9/30 ,  F21V23/003 ,  F21Y2113/10 ,  F21Y2115/30 ,  G02B23/2469 ,  G02B23/2484 ,  G02B2207/113

Abstract: An illumination apparatus includes a first wavelength converter which absorbs part of the first excitation light and emits first wavelength-converted light, a second wavelength converter which absorbs part of the first excitation light and emits second wavelength-converted light, a reflector including a reflecting surface which is arranged to surround the members, and a holder which holds the members. A first region where light distribution angles of light emitted from the members have a predetermined value or less and a second region where the light distribution angle is less than the predetermined value are present in a region surrounded by the reflecting surface. The holder holds at least one part of the wavelength converter and at least one part of the second wavelength converter at the first region.

公开(公告)号：US20170014022A1

公开(公告)日：2017-01-19

申请号：US15281709

申请日：2016-09-30

Applicant: OLYMPUS CORPORATION

Inventor： Kazuaki TAMURA ,  Takeshi ITO

IPC: A61B1/06 ,  A61B5/1459 ,  A61B1/07 ,  A61B5/1455 ,  A61B1/00 ,  A61B1/04

CPC classification number: A61B1/0638 ,  A61B1/00009 ,  A61B1/043 ,  A61B1/063 ,  A61B1/0653 ,  A61B1/07 ,  A61B5/14556 ,  A61B5/1459 ,  G02B23/2469 ,  G02B23/2484 ,  H04N5/2256 ,  H04N2005/2255

Abstract: A light source apparatus irradiates an observation target with first light in a wavelength region which does not include a wavelength region where an absorption peak of a target substance included in the observation target is present and second light in a wavelength region where the absorption peak is present. An image acquiring circuit includes an emphasized image information generating circuit which generates emphasized image information on the basis of first image information acquired by an imaging apparatus when the observation target is irradiated with the first light and second image information acquired by the imaging apparatus when the observation target is irradiated with the second light.

Abstract translation: 光源装置在不包括存在观察对象物中包含的目标物质的吸收峰的波长区域和存在吸收峰的波长区域中的第二光的波长区域中用第一光照射观察对象物 。 一种图像获取电路包括：强调图像信息产生电路，当观察目标被照射第一光时，基于由成像装置获取的第一图像信息和当观察时由成像装置获取的第二图像信息产生强调图像信息 靶用第二光照射。

公开(公告)号：US20140140059A1

公开(公告)日：2014-05-22

申请号：US14166339

申请日：2014-01-28

Applicant: OLYMPUS CORPORATION

Inventor： Kazuaki TAMURA ,  Eiji YAMAMOTO ,  Takeshi ITO

IPC: F21V9/08

CPC classification number: F21V9/08 ,  F21Y2113/13 ,  F21Y2115/10 ,  H01S5/005 ,  H01S5/0617 ,  H01S5/062 ,  H01S5/4087

Abstract: A light source device having a wavelength converting unit having a first wavelength converting member for absorbing a first excitation light having a first wavelength range, and emitting a first wavelength-converted light; and a second wavelength converting member for absorbing a second excitation light having a second wavelength range, and emitting a second wavelength-converted light, wherein the wavelength converting unit emits a first emission light having a first spectral shape when irradiated with the first excitation light, and emits a second emission light having a second spectral shape when irradiated with the second excitation light, and wherein at least a portion of the first wavelength converting member and at least a portion of the second wavelength converting members are arranged within an irradiation space that is commonly irradiated by both the first excitation light and the second excitation light.

Abstract translation: 一种具有波长转换单元的光源装置，具有用于吸收具有第一波长范围的第一激发光并且发射第一波长转换光的第一波长转换部件; 以及第二波长转换构件，用于吸收具有第二波长范围的第二激发光，并且发射第二波长转换光，其中当用第一激发光照射时，波长转换单元发射具有第一光谱形状的第一发射光， 并且当用第二激发光照射时发射具有第二光谱形状的第二发射光，并且其中第一波长转换构件和至少一部分第二波长转换构件的至少一部分布置在照射空间内 通常由第一激发光和第二激发光照射。

公开(公告)号：US20220155580A1

公开(公告)日：2022-05-19

申请号：US17588872

申请日：2022-01-31

Applicant: OLYMPUS CORPORATION

Inventor： Nobuyoshi ASAOKA ,  Kazuaki TAMURA

IPC: G02B23/26 ,  F21V8/00 ,  F21V9/40

Abstract: An optical apparatus having a holding portion and a tubular portion further includes a light source, a light guide which is formed of a medium having a refractive index higher than 1, and an optical converting portion. The light guide has a first light guiding area having an incidence end surface and a second light guiding area having an exit end surface. A diameter of the incidence end surface is larger than a diameter of the exit end surface, and at least a part of the second light guiding area is included in the tubular portion.

公开(公告)号：US20210137373A1

公开(公告)日：2021-05-13

申请号：US17123356

申请日：2020-12-16

Applicant: OLYMPUS CORPORATION

Inventor： Kazuaki TAMURA

IPC: A61B1/06 ,  G02B23/24 ,  H01S5/068 ,  H01S5/00 ,  A61B1/07 ,  A61B1/04 ,  A61B1/00

Abstract: The endoscope system includes: a laser diode for an endoscope that emits illumination light whose amount can be controlled; an image pickup device that outputs an image pickup signal of an image obtained by receiving reflected light of the illumination light; a photodiode that receives a part of the illumination light of the laser diode; a thermistor that detects a temperature of the laser diode; a thermistor that detects a temperature of the photodiode; a detection light amount temperature correction circuit that corrects an amount of light received by the photodiode based on the temperature of the photodiode; and a laser diode control circuit that controls driving of the laser diode so that an amount of the illumination light becomes a set value based on a corrected amount of received light corrected by the detection light amount temperature correction circuit and the temperature of the laser diode.