Patent application number | Description | Published |
20110122422 | SIGNAL PROCESSING APPARATUS USED FOR OPTICAL SIGNAL OUTPUT DEVICE AND OPTICAL DISPLACEMENT DETECTION SYSTEM - A signal processing apparatus includes a first signal processing unit and a second signal processing unit. The first signal processing unit executes a first predetermined operation with respect to first and second signal groups and to extract a first component having a predetermined characteristic when an optical signal output device is in a normal state, the first signal group whose amplitude or direct current component gradually increases with a predetermined direction displacement of a displacement detection target, the second signal group whose amplitude or direct current component gradually decreases with the predetermined direction displacement of the displacement detection target. The second signal processing unit executes a second predetermined operation with respect to the first and second signal groups and to extract an output containing a second component, which is peculiar to an optional position of the displacement detection target. | 05-26-2011 |
20110157578 | SIGNAL PROCESSING APPARATUS USED FOR OPTICAL SIGNAL OUTPUT DEVICE AND OPTICAL DISPLACEMENT DETECTION SYSTEM - A signal processing apparatus includes a phase shift unit and a signal processing unit. The phase shift unit shifts phases of at least one set of first periodic signals and second periodic signals. The first periodic signals are output from an optical signal output device connected to a displacement detection target and have amplitude gradually increasing with a displacement in a predetermined direction of the displacement detection target. The second periodic signals are output from the optical signal output device connected to the displacement detection target and have amplitude gradually decreasing with the displacement in the predetermined direction of the displacement detection target. The signal processing unit executes a predetermined operation with respect to the first and second periodic signals output from the phase shift unit to obtain a displacement of the displacement detection target. | 06-30-2011 |
20120126103 | OPTICAL DISPLACEMENT DETECTION APPARATUS - An optical displacement detection apparatus includes a scale and a sensor head. The scale has a first and second pattern. The head includes a first photodetector that detects a beam through the first pattern and generates a first signal, and a second photodetector that detects the beam through the second pattern and generates a second signal. The first and second signals include a first component, and a second component that corresponds to an absolute displacement of the scale. The first pattern, the second pattern, the first photodetector, the second photodetector, and a beam source are disposed such that the detection of the first photodetector and the detection of the second photodetector are performed correlatively. | 05-24-2012 |
20130001411 | OPTICAL ENCODER - An optical encoder includes a light projecting portion, a light receiving portion, and a scale arranged between the light projecting portion and the light receiving portion. The scale includes a light guiding portion which allows light to transmit therethrough and has a light guiding function of guiding at least a part of the light projected by the light projecting portion in a direction vertical to thickness direction thereof through the light guiding portion. The light receiving portion receives the light guided by the scale and relatively moves with respect to the scale. | 01-03-2013 |
20130261392 | TUBULAR INSERTION SYSTEM - A tubular insertion system includes an insertion unit including a bendable portion, a bending operation mechanism that operates the bendable portion. The tubular insertion system further includes a bending operation amount detection/calculation device that calculates bending operation amount information, a bent shape detection/calculation device that calculates bent shape information, and a first operation support information acquisition unit that acquires first operation support information based on at least one of the bending operation amount information and the bent shape information. | 10-03-2013 |
20130289347 | ENDOSCOPIC SYSTEM - An endoscopic system is a system which an insertion portion of an endoscope is inserted from an insertion opening of an object to observe an inner surface of the object. The endoscopic system includes an electromagnetic radiation unit configured to radiate electromagnetic waves, a detection section configured to detect the electromagnetic waves, and a determination section configured to determine whether the insertion portion is present in the object based on a detection result of the detection section. One of the electromagnetic radiation unit and the detection section is arranged outside the object, and the other is arranged at the insertion portion. | 10-31-2013 |
20130342110 | LIGHT SOURCE MODULE AND LIGHT SOURCE SYSTEM - A primary optical unit and a photodetector unit are arranged on a side of a optical branching unit, on which primary terminals are arranged, and a lightconversion unit, which receives primary light, converts the primary light into secondary light, and emits the secondary light, is arranged on a side of the optical branching unit, on which secondary terminals are arranged, to enable guiding of the primary light from the primary optical unit to the lightconversion unit and guiding of the secondary light from the lightconversion unit to the photodetector unit through optical fibers. | 12-26-2013 |
20140016345 | ILLUMINATION SYSTEM - An illumination system includes a light source device configured by an excitation light source, a light guiding member and a wavelength converter that are connected in order, and an operation check device. The system further includes: a connector configured to directly and physically connect the operation check device to a light signal emitting end which includes the wavelength converter; a detector configured to detect a light signal emitted from the light signal emitting end when the light signal emitting end and the operation check device are connected by the connector; and an operation determiner configured to determine the operations of the excitation light source, the light guiding member, and the wavelength converter by a detection result in the detector. | 01-16-2014 |
20140022810 | LIGHT SOURCE UNIT, OPTICAL CONVERSION UNIT, LIGHT SOURCE APPARATUS AND LIGHT SOURCE SYSTEM - A light source unit includes a primary light source configured to emit primary light, and a connection portion provided on an optical path of the primary light and to and from which an optical conversion unit is attachable and removable, the optical conversion unit including an optical conversion element configured to convert optical properties of the primary light to generate secondary light. | 01-23-2014 |
20140036259 | OBSERVATION APPARATUS CAPABLE OF DETECTING DISTAL END POSITION OF INSERTION MODULE USING EXTERNAL LIGHT - An insertion module inserted into inside of an observed object includes a light-source light emitting module, around its distal end, configured to emitted light from a light source and a detector, provided close to the distal end, configured to detect a light quantity of incident visible light. A controller controls the light source such that a null signal is transmitted from the light-source light emitting module, the null signal being characteristic for detection of the position of the distal end and obtained by making at least light of a predetermined wavelength region have an absence of visible light. The detector performs detecting operation in a period in which the null signal is transmitted. A determination module performs determination relating to the position of the distal end, based on detection information outputted by the detector. | 02-06-2014 |
20140036261 | OPTICAL BEND MEASUREMENT APPARATUS - An optical bend measurement apparatus includes a light source unit configured to supply measurement light, an optical transmission body configured to transmit the measurement light, a optical characteristic change members provided in different portions of the optical transmission body, and a photodetection unit configured to detect light output from the optical transmission body. Each optical characteristic change member imposes a change of optical characteristics on light impinging on the optical characteristic change member depending on a bend quantity in a specific direction of a portion of the optical transmission body where the optical characteristic change member is provided. The photodetection unit separates and detects the light that has undergone the change of the optical characteristics to independently measure bend quantities in specific directions of the different portions of the optical transmission bodies based on intensities of the detected light. | 02-06-2014 |
20140146559 | LIGHT SOURCE APPARATUS - A light source apparatus includes: a primary light source module including a primary light source configured to emit primary light; a light conversion module including a light conversion unit configured to convert optical properties of the primary light and to generate secondary light; a light guide path, arranged between the primary light source module and the light conversion module, configured to guide the primary light to the light conversion module from the primary light source module; a first connecting portion configured to connect detachably the light conversion module with the light guide path; and a second connecting portion configured to connect detachably the primary light source module with the light guide path. | 05-29-2014 |
20140168987 | LIGHT SOURCE DEVICE - A light source device includes a light source unit including a primary light source, an illumination unit including a light converting member which converts primary light emitted from the primary light source to secondary light and emits the secondary light to the outside, and a connection portion which removably connects the light source unit and the illumination unit. The connection portion includes multiple ports configured to transfer and receive energy between the light source unit and the illumination unit. The multiple ports are grouped into multiple first hierarchical port groups by physical properties of the energy to be transferred and received by the ports. | 06-19-2014 |
20140218893 | LIGHT SOURCE DEVICE - A light source device includes a first excitation light source which emits first excitation light having a wavelength in a first wavelength region, a first optical member, a second optical member and a holding member which holds the first optical member and the second optical member. The first optical member converts at least part of the first excitation light to emit first wavelength converted light, and increase divergence angle of the transmitted first excitation light by a first incremental angle. A second optical member is disposed in a region including an optical axis of the first excitation light, and increases the divergence angle of the transmitted first excitation light by a second incremental angle larger than the first incremental angle. | 08-07-2014 |
20140230562 | TUBULAR INSERTION DEVICE - A tubular insertion device includes a tubular insertion portion including a flexible portion in a predetermined part, bending sensors distributed and arranged in the flexible portion, and an operation support information calculating unit. The operation support information calculating unit extracts operation support information including at least first external force information regarding an external force applied to the tubular insertion portion by a combinational calculation based on detection information from the bending sensors. | 08-21-2014 |
20140246572 | OPTICAL SENSOR - An optical sensor includes a light source, a light supply light guide member optically coupled to the light source, detection light guide members, a light distribution unit to distribute light from the light supply light guide member to the detection light guide members, and a light separating detector to separate and detect the light guided by the detection light guide members. Each of the detection light guide members includes a characteristic detection portion whose optical characteristics vary in accordance with a physicochemical state. | 09-04-2014 |
20140286038 | LIGHT SOURCE SYSTEM - The light source system includes a plurality of light source modules configured to respectively emit light source lights having optical characteristics different from each other, and an irradiation module to which the light source modules are mechanically and detachably attached. The irradiation module includes a first light guide member, a second light guide member, and a first light conversion unit. The first light guide member has a central axis set in parallel with a central axis of the second light guide member. The first light conversion unit is optically connected to the first light guide member and is optically separated from the second light guide member. | 09-25-2014 |
20140293641 | IRRADIATION MODULE HAVING LIGHT GUIDE MEMBERS - An irradiation module mechanically detachably attached to a light source module includes a first light source light entrance end which allows entry of first light source light from a first light source module, a first light guide member to guide the first light source light entered the first light source light entrance end, a second light source light entrance end which allows entry of second light source light from a second light source module, and a second light guide member to guide the second light source light entered the second light source light entrance end. The first light guide member and the second light guide member have optical specifications which correspond to optical characteristics of the light source light to be guided and in which the optical characteristics are different from each other. | 10-02-2014 |
20140293651 | LIGHT SOURCE SYSTEM HAVING LIGHT GUIDE ROUTES - A first light guide route is defined as a route including a first light source, a first light source light emitting end, a first optical connection terminal, a first light guide member, and a first light emitting member, and a second light guide route is defined as a route including a second light source, a second light source light emitting end, a second optical connection terminal, a second light guide member, and a second light emitting member. The first light source light emitting end and the first optical connection terminal are constituted based on desirable first optical specifications, and the second light source light emitting end and the second optical connection terminal are constituted based on desirable second optical specifications, so that the first or second light guide route can be constituted. | 10-02-2014 |
20140328047 | LIGHT SOURCE DEVICE - A light source device includes a primary light source unit and a light converting unit. The primary light source unit includes a primary light emitting portion. The light converting unit includes a light converting member and a secondary light emitting portion. In the two-dimensional shape of the secondary light emitting portion projected on a surface perpendicular to the optical axis of primary light, the length of the minimum width of the two-dimensional shape passing through the center of gravity of the two-dimensional shape is different from the length of the maximum width of the two-dimensional shape passing through the center of gravity. | 11-06-2014 |
20140328063 | LIGHT SOURCE SYSTEM - A light source system includes an intermediary adapter which mechanically connects a first light source module, a first irradiation module, a second light source module and a second irradiation module, a first connection mechanism which connects the first light source module and the intermediary adapter and a second connection mechanism which connects the second light source module and the intermediary adapter. The first irradiation module and the second irradiation module are interchangeably connected to the intermediary adapter in the same plane of the intermediary adapter. | 11-06-2014 |
20140332675 | OPTICAL SENSOR - An optical sensor has a light source, a characteristic light-guiding member, a characteristic changing part, a detecting unit, and an optical connecting unit. The optical connecting unit has a light branching unit configured to branch the light emitted from the light source to the characteristic light-guiding member, and branches the light guided by the characteristic light-guiding member to the detecting unit. | 11-13-2014 |
20140336462 | INSERTION PORTION DETECTION DEVICE AND INSERTION PORTION DETECTION SYSTEM - An insertion portion detection device provided with a light source unit which emits measuring beam to an outer circumferential surface of a cylindrical shape of an insertion portion to be inserted into an insertion target and to be a detection target, an optical pattern detection unit which receives reflected light from the outer circumferential surface and which sequentially acquires image data in a predetermined range of the outer circumferential surface including given optical patterns so that at least some of the optical patterns correspond to the image data, and a displacement amount calculation unit which detects a corresponding optical pattern from the image data and calculates at least one of an insertion amount of the insertion portion and an amount of rotation around the central axis of the cylindrical shape. | 11-13-2014 |
20150092035 | IMAGING APPARATUS, MICROSCOPE APPARATUS AND ENDOSCOPE APPARATUS - An imaging apparatus includes an imaging unit, an illuminating unit, and an image-characteristic setting unit. The imaging unit images an object to acquire an image of the object. The illuminating unit includes a light source configured to apply illumination light beams different in optical characteristics to the object. The image-characteristic setting unit sets the image characteristics of the image data, then refers to light source characteristic information, and sets to the illuminating unit, the intensity, distribution pattern, spectrum distribution or polarization characteristic of at least one illumination light beam. The imaging unit acquires effectively image data having the image characteristics set. | 04-02-2015 |