Patent application number | Description | Published |
20100091351 | SCANNING OPTICAL DEVICE AND IMAGE FORMING APPARATUS USING THE SAME - A scanning optical device wherein, on the basis of positional information concerning a spacing in a main-scan direction between imaging positions of a plurality of light beams passed through resin-made imaging optical elements and detected by a photodetecting device and a spacing between the imaging positions in a sub-scan direction of the plurality of light beams, a focal shift direction and a focal shift amount in the main-scan direction as well as a focal shift direction and a focal shift amount in the sub-scan direction are determined, and wherein an optical element of an input optical system is moved in an optical axis direction based on the determination, to correct the focal shift in the main-scan direction and the focal shift in the sub-scan direction. | 04-15-2010 |
20100119258 | SCANNING OPTICAL APPARATUS AND IMAGE FORMING APPARATUS USING THE SAME - A scanning optical apparatus includes: an incident optical system which is disposed in an optical path between a light source unit and a deflection unit, and includes an optical element for making a light flux emitted from the light source unit enter a deflection surface of the deflection unit with an oblique angle in a sub scanning section; and a positional regulation member for holding the optical element having an x reference surface for performing positional regulation of the optical element in an optical axis direction and a z reference surface for performing positional regulation of the optical element in a sub scanning direction. The optical element is held by a casing so that the x reference surface and the z reference surface contact with the positional regulation member of the casing. The principal ray of the light flux outgoing from the optical element satisfies a conditional equation (1). | 05-13-2010 |
20100277730 | SPECTRAL COLORIMETRIC APPARATUS AND COLOR IMAGE FORMING APPARATUS USING THE SAME - A spectral colorimetric apparatus for detecting a color of an image of a test subject illuminated includes a stop; a spectral detection optical system for spectrally detecting a beam diffused in the test subject and passing through the stop; and a guiding optical system for guiding, toward the stop, the beam diffused in the test subject, wherein in a first section which is a section including an optical axis of the guiding optical system, condensing positions of the light beam condensed by the guiding optical system change depending on a position in a direction orthogonal to the first section, and the stop is disposed between condensing positions closest to and farthest from the guiding optical system, of condensing positions, in the first section, of the beam condensed by the guiding optical system, in a direction of the optical axis of the guiding optical system. | 11-04-2010 |
20100277731 | SPECTROMETER AND IMAGE FORMING APPARATUS HAVING THE SAME - There is provided is a spectrometer having a concave reflection type diffraction element, wherein, among surfaces other than a diffraction surface of the diffraction element, non-diffraction surfaces which are located outside the diffraction surface at the same side as the diffraction surface are a glossy surface, the spectrometer includes a light detection unit which is located at an imaging position of a first-order diffracted light diffracted by the diffraction element to receive the first-order diffracted light, and the light detection unit is disposed inside optical paths of light beams regularly reflected on the non-diffraction surfaces outside the diffraction surface. Accordingly, it is possible to effectively suppress a stray light reflected on the surfaces other the diffraction surface from being incident into the light detection unit and to detect the light spectrally diffracted by the diffraction surface at high accuracy. | 11-04-2010 |
20100277775 | ILLUMINATOR, AND SPECTRAL APPARATUS AND IMAGE READING APPARATUS THEREWITH - Provided is an illuminator including a light source unit having a light emitting surface, and a light guiding member guiding a light beam to an original disposed on an original plate. An intersection of a center axis of a light emitting surface and the original plate is separated from a reading position of the original in a sub scanning direction, the light guiding member includes an incident surface to which the light beam emitted from the light source unit is incident, a reflection surface that reflects the incident light beam, and an exiting surface exiting the incident light beam and the reflected light beam, and in the sub scanning section, the light beam having the highest light intensity in the light beams from the light source unit is deflected at the incident surface toward the reading position of the original with respect to the center axis. | 11-04-2010 |
20100278543 | SPECTRAL COLORIMETRIC APPARATUS AND IMAGE FORMING APPARATUS USING THE SAME - A spectral colorimetric apparatus for detecting a color of an image of a subject, including: an illumination optical system illuminating the subject on a detection surface; a spectral optical system including a spectral element spectrally separating the beam diffused by the subject and a light receiving element array detecting a spectral intensity distribution; and a guiding optical system for guiding a beam diffused by the subject, wherein: the detection surface is parallel to a spectral plane including a principal ray of a beam entering the spectral optical system and a principal ray of a beam spectrally separated; the principal ray of the beam enters the spectral optical system within the spectral plane obliquely to a line joining a center of the light receiving element array with a surface vertex of the spectral element; and a light receiving surface of the light receiving element array is orthogonal to the spectral plane. | 11-04-2010 |
20130201478 | SPECTROMETER AND IMAGE FORMING APPARATUS HAVING THE SAME - There is provided is a spectrometer having a concave reflection type diffraction element, wherein, among surfaces other than a diffraction surface of the diffraction element, non-diffraction surfaces which are located outside the diffraction surface at the same side as the diffraction surface are a glossy surface, the spectrometer includes a light detection unit which is located at an imaging position of a first-order diffracted light diffracted by the diffraction element to receive the first-order diffracted light, and the light detection unit is disposed inside optical paths of light beams regularly reflected on the non-diffraction surfaces outside the diffraction surface. Accordingly, it is possible to effectively suppress a stray light reflected on the surfaces other the diffraction surface from being incident into the light detection unit and to detect the light spectrally diffracted by the diffraction surface at high accuracy. | 08-08-2013 |
20130250295 | SPECTRAL COLORIMETRIC APPARATUS AND IMAGE FORMING APPARATUS USING THE SAME - A spectral colorimetric apparatus for detecting a color of an image of a subject, including: an illumination optical system illuminating the subject on a detection surface; a spectral optical system including a spectral element spectrally separating the beam diffused by the subject and a light receiving element array detecting a spectral intensity distribution; and a guiding optical system for guiding a beam diffused by the subject, wherein: the detection surface is parallel to a spectral plane including a principal ray of a beam entering the spectral optical system and a principal ray of a beam spectrally separated; the principal ray of the beam enters the spectral optical system within the spectral plane obliquely to a line joining a center of the light receiving element array with a surface vertex of the spectral element; and a light receiving surface of the light receiving element array is orthogonal to the spectral plane. | 09-26-2013 |
20140160573 | LENS ARRAY, IMAGE-FORMING APPARATUS AND IMAGE-READING APPARATUS INCLUDING LENS ARRAY - A lens array includes a first image-forming unit having a plurality of lens portions arrayed in a first direction and configured to form an intermediate image of an object at an intermediate image plane; and a second image-forming unit having a plurality of lens portions arrayed in the first direction and configured to re-image the intermediate image of the object onto a final image plane. The plurality of lens portions of the first and second image-forming units each have an anamorphic surface on a lens surface closest to the intermediate image plane, and each anamorphic surface has a shape having a decreased power at end portions as compared to a power in the vicinity of a surface vertex. | 06-12-2014 |
20150035929 | OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS INCLUDING THE SAME - Provided is an optical scanning apparatus which can achieve high resolution while reducing detection errors in the synchronous detection of a plurality of light fluxes by temperature fluctuations. An optical scanning apparatus according to this invention includes a light source having a plurality of light-emitting points, a deflection unit configured to deflect a plurality of light fluxes emitted by the plurality of light-emitting points, a scanning optical system configured to guide the plurality of light fluxes deflected by the deflection unit onto a scanned surface, and a synchronous detection unit configured to detect light fluxes from at least two light-emitting points of the plurality of light-emitting points. The synchronous detection unit includes a plurality of imaging elements. The first imaging element, of the plurality of imaging elements, which exhibits the smallest change in refractive index with respect to temperatures has the largest refractive power in a main scanning section. | 02-05-2015 |
20150185473 | SCANNING OPTICAL SYSTEM AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A scanning optical system includes a light source including light emission points, a deflector for deflecting a beam in main scanning direction, an optical element for guiding the beam from the light source to the deflector, and a stop for limiting the beam from the optical element, sets the followings appropriately: distance from the light source to the stop; focal length of the optical element; distance in main scanning direction from an intersection of optical axis and the light source at a farthest light emission point from the optical axis in main scanning direction; stop aperture diameter in main scanning direction; total angle at half maximum of a far-field pattern of emitted light; and angle between a marginal ray within main scanning section at the farthest light emission point from the optical axis in main scanning direction and a ray of a maximum intensity. | 07-02-2015 |
20150268386 | IMAGING OPTICAL SYSTEM AND METHOD FOR MANUFACTURING LENS ARRAY - An imaging optical system includes a plurality of lens optical system rows each including a plurality of lens optical systems arranged in a first direction. The plurality of lens optical system rows is arranged in a second direction perpendicular to the first direction and to an optical axis direction. Each of the plurality of lens optical systems in each of the plurality of lens optical system rows is configured to form an erect equal-magnification image in a cross section perpendicular to the second direction and configured to form an inverted image in across section perpendicular to the first direction. Ina cross section perpendicular to the optical axis direction, optical axes of the respective plurality of lens optical systems in adjoining ones of the plurality of lens optical system rows are separate from one another in the first direction and are located on the a line. | 09-24-2015 |
20160085174 | OPTICAL DEVICE AND METHOD OF MANUFACTURING THE SAME - Provided is an optical device capable of adjusting astigmatism due to a manufacturing error to attain excellent imaging performance while securing optical efficiency. The optical device includes: an imaging optical system including multiple lens arrays in an optical axis direction, the multiple lens arrays each including multiple lens units arrayed in a first direction perpendicular to the optical axis direction; a light source including multiple light-emitting points arrayed in the first direction; and first changing means for changing a first distance in the optical axis direction between the light source and one of the lens arrays, closest to the light source. The imaging optical system is configured to image the light source at equal magnification as an erecting image within a first cross-sectional plane, and image, within a second cross-sectional plane perpendicular to the first direction, the light source at a different magnification than at the first cross-sectional plane. | 03-24-2016 |
Patent application number | Description | Published |
20090037046 | ELECTRONIC CONTROL UNIT - An electronic control unit installed in a vehicle performs diagnosis of plural diagnosis objects based on sensor signals and the like, and stores diagnosis results that indicate abnormality of the diagnosis objects in a DTC storage area only when the DTC storage area does not store data having an initial value. The data in the DTC storage area is, in other words, rewritten to different values from the initial value for allowing storage of DTC when the electronic control unit determines that all of the diagnosis objects are in a normal condition with no indication of abnormality after performing diagnosis, thereby making it possible to exclusively preventing useless abnormality information detected during a vehicle manufacturing process from being stored in an rewritable non-volatile memory. | 02-05-2009 |
20090187289 | ELECTRONIC CONTROL UNIT FOR USE IN A VEHICLE - A first microcomputer in an ECU outputs a CID of the ECU in response to a request from a scan tool when the ECU has multiple microcomputers implemented therein. Each of the multiple microcomputers has an additive value stored therein for counting an update of the software. The additive values from the multiple microcomputers are added as a sum total of the ECU that is further added to a CID base value. The sum total of the ECU added to the CID base value is then output as the CID of the ECU from the first microcomputer to the scan tool. Therefore, information stored in the first microcomputer is not necessarily changed for outputting an updated CID (e.g., software product number information) from the ECU. | 07-23-2009 |
20090271051 | ELECTRONIC CONTROL UNIT FOR VEHICLE - An electronic control unit (ECU) for a vehicle is disclosed. The subject ECU stores: vehicle ID; and first cross-check information different from the vehicle ID. The subject ECU acquires second cross-check information different from the vehicle ID. The second cross-check information is stored in an external ECU that is mounted in a same vehicle as the subject ECU is mounted. The subject ECU determines whether the first cross-check information matches the second cross-check information. Upon receiving an instruction for changing the vehicle ID, the subject ECU prohibits a change the vehicle ID if the first cross-check information matches the second cross-check information, and the subject ECU changes the vehicle ID if the first cross-check information does not match the second cross-check information. | 10-29-2009 |
20120209452 | ELECTRONIC CONTROL UNIT FOR USE IN A VEHICLE - A first microcomputer in an ECU outputs a CID of the ECU in response to a request from a scan tool when the ECU has multiple microcomputers implemented therein. Each of the multiple microcomputers has an additive value stored therein for counting an update of the software. The additive values from the multiple microcomputers are added as a sum total of the ECU that is further added to a CID base value. The sum total of the ECU added to the CID base value is then output as the CID of the ECU from the first microcomputer to the scan tool. Therefore, information stored in the first microcomputer is not necessarily changed for outputting an updated CID (e.g., software product number information) from the ECU. | 08-16-2012 |
20120271507 | IN-VEHICLE ELECTRONIC CONTROL UNIT, DIAGNOSIS TOOL AND DIAGNOSIS SYSTEM - An in-vehicle electronic control unit (ECU), stores behavior information, when a specific vehicle behavior (i.e. a vehicle behavior that does not correspond to the driver's driving operation) is detected. The in-vehicle electronic control unit (ECU) stores, as the behavior information, vehicle travel information, a storage time of the vehicle travel information, and storage execution information that indicates that the vehicle travel information is stored. When the engine of the vehicle stops, the ECU first executes an abnormality check of a CPU operation, when, based on the storage execution information of the behavior information, the vehicle travel information is stored. The ECU stores, as abnormality check information, an abnormality check result, an execution time of the abnormality check, and check execution information indicating that the abnormality check has been executed, and after the storage of the abnormality check information, the ECU stops power supply to the CPU. | 10-25-2012 |
20130158780 | IN-VEHICLE ELECTRONIC APPARATUS AND DIAGNOSTIC SYSTEM - When any one of multiple driving informational parameters has shown a predetermined change in a determination process, an in-vehicle electronic apparatus sets 1 to a change history provided per each driving informational parameter. When the change history of any one of the driving informational parameters is 1 in the storage process, the in-vehicle electronic apparatus determines that any one of the driving informational parameters has shown the predetermined change between the previous process and current process. Then, the in-vehicle electronic apparatus stores a current time as a change time in a corresponding area provided in an RAM to the driving informational parameter that has shown the predetermined change and sets the change history to 0. When the predetermined vehicle behavior occurs, the in-vehicle electronic apparatus stores, in an SRAM or EEPROM, the change time stored in the RAM and an occurrence time when the predetermined vehicle behavior occurs. | 06-20-2013 |
20150027414 | FUEL INJECTION CONTROLLER - A fuel injection controller controls a fuel injector which injects a fuel directly into a cylinder of an engine. The fuel injection controller conducts a correction to increase a fuel injection quantity injected from the fuel injector according to a fuel-adhered quantity which is an amount of the fuel adhered to an opened intake valve. Thus, even when the fuel is adhered to the intake valve, an appropriate amount of the fuel can be injected into the cylinder. | 01-29-2015 |
20150046068 | FUEL INJECTION CONTROLLER - In a fuel injection controller that controls a fuel injection device that injects fuel directly into cylinders of an engine, a unit that detects an interference period gradually shifts an injection period of fuel from the fuel injector from a first period during which the injection period does not overlap with an initial value of the interference period, and is distant from the initial value by a given value or larger toward a second period during which the injection period overlaps with the initial value of the interference period. Then, the fuel injection controller detects an actual interference period according to a variation of an air-fuel ratio (A/F value) detected by an air-fuel ratio sensor toward lean. | 02-12-2015 |
Patent application number | Description | Published |
20090190938 | DEVELOPER STIRRING UNIT, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developer stirring unit, a developing device containing the developer stirring unit and an image forming apparatus comprising the developing device are supplied capable of correctly judging a remainder amount of developer in accommodating tank. In the developer stirring unit, a accommodating tank accommodates developer; a stirring member has at least one shaft portion and is used to stir the developer accommodated in the accommodating tank; a bearing member couples with the shaft portion and supports the stirring member to possibly rotate around the shaft portion serving as rotation axis and to possibly move along a axis direction of the rotation axis; a driving section drives the stirring member to rotate; and a judging section judges a remainder amount of the developer in the accommodating tank, wherein the stirring member is controlled to move along an axis direction of the rotation axis together with rotating along a rotation direction of the rotation axis. | 07-30-2009 |
20110255906 | Developer storage body, developing device and image forming apparatus - A developer storage body includes a developer storage portion storing a developer and having an elongated shape, an outlet opening provided at a substantially center portion of the developer storage portion in a longitudinal direction of the developer storage portion, inclined portions provided on both end portions of the developer storage portion in the longitudinal direction, a rotation member rotatably provided in the developer storage portion, and a film member provided on the rotation member. The film member is brought into contact with the inclined portions when the rotation member rotates. | 10-20-2011 |
20110280631 | DEVELOPER STORAGE BODY, IMAGE FORMING UNIT AND IMAGE FORMING APPARATUS - A developer storage body includes an outer case enclosing a space in which a developer is stored and having a first opening, and an inner case rotatably provided in the outer case and having a second opening. The inner case is rotatable with respect to the outer case between an opening position and a closing position to open and close the first opening. An operating portion is provided for operation to rotate the inner case between the opening and closing positions. The inner case includes a bottom wall having the second opening, and a plurality of beams provided so as to extend between edges of the bottom wall. The beam has an inclined upper surface. The inclined upper surface is inclined downward in a gravity direction toward a side end of the beam in a cross-section of the beam. | 11-17-2011 |
Patent application number | Description | Published |
20100115077 | METHOD OF BUILDING SYSTEM AND MANAGEMENT SERVER - Devices unnecessary for deployment are invalidated during the deployment. A method of building a system and a management server for establishing a system according to the present invention have the following configuration. The management server obtains server information from a server connected through a network, refers to the obtained server information to select devices unnecessary for deployment among devices connected to the server, and invalidates the selected devices. | 05-06-2010 |
20110270962 | METHOD OF BUILDING SYSTEM AND MANAGEMENT SERVER - Devices unnecessary for deployment are invalidated during the deployment. A method of building a system and a management server for establishing a system according to the present invention have the following configuration. The management server obtains server information from a server connected through a network, refers to the obtained server information to select devices unnecessary for deployment among devices connected to the server, and invalidates the selected devices. | 11-03-2011 |
20130179532 | COMPUTER SYSTEM AND SYSTEM SWITCH CONTROL METHOD FOR COMPUTER SYSTEM - Disclosed is a computer system provided with an I/O processing unit comprising a buffer and a control unit, wherein the buffer is located between the first computer and a storage apparatus and between a second computer and the storage apparatus and temporarily stores an I/O output from a first computer, and the control unit outputs data stored in the buffer to the storage apparatus, and wherein, a management computer functions to store the I/O output of the first computer in the buffer at a predetermined time, to separate a first storage unit and a second storage unit which are mirror volumes, to connect the buffer and the second storage unit, to connect the second computer and the first storage unit, to output data stored in the buffer to the second storage unit, and to activate the second computer using the first storage unit. | 07-11-2013 |
Patent application number | Description | Published |
20090168071 | METHOD AND SYSTEM FOR PRODUCING TOMOGRAPHIC IMAGE BY OPTICAL TOMOGRAPHY - When reflection light, reflected from a measurement target that has been irradiated with measurement light in such a manner to scan the measurement target, and reference light are combined in each wavelength sweep, interference light is detected as interference signals. When a thinning region in which the interference signals obtained by detecting the interference light in each wavelength sweep are thinned so that the interference signals that are used to produce the tomographic image remain is set, thinning is performed on the plurality of interference signals in the thinning region. Light intensity information about the measurement target in the thinning region is obtained, based on the interference signals for the respective wavelength sweeps, the interference signals remaining after thinning. The tomographic image in the thinning region is produced based on the obtained light intensity information. | 07-02-2009 |
20100076304 | INVISIBLE LIGHT IRRADIATION APPARATUS AND METHOD FOR CONTROLLING INVISIBLE LIGHT IRRADIATION APPARATUS - Provision of an invisible light irradiation apparatus in which aiming light can always be recognized in an observation portion image in a normal light observation mode and a special light observation mode, and a method for controlling the invisible light irradiation apparatus. An invisible light irradiation apparatus comprising: an invisible light source which emits invisible light for irradiation of an object to be irradiated; and a guide light source which emits guide light for being combined with the invisible light to irradiate the object to be irradiated to recognize the position of irradiation of the invisible light, wherein a plurality of the guide light sources which emit the guide light in different wavelength regions are provided. | 03-25-2010 |
20120101372 | DIAGNOSIS SUPPORT APPARATUS, DIAGNOSIS SUPPORT METHOD, LESIONED PART DETECTION APPARATUS, AND LESIONED PART DETECTION METHOD - A diagnosis support apparatus, includes a spatial structure data acquisition device that acquires spatial structure data including tomographic information of a three-dimensional region of an inner wall portion within a living organism that has a flat surface at a normal time that is obtained by performing optical coherence tomography measurement with respect to the inner wall portion; a surface roughness calculation device that calculates an evaluation value of a surface roughness at respective positions on the surface of the inner wall portion based on the spatial structure data; a lesion part extraction device that extracts a region of a lesion part based on a position on the surface at which the evaluation value exceeds a predetermined threshold value; and a lesion part display device that displays information showing the region of the lesion part on an image in which the spatial structure data is visualized. | 04-26-2012 |
Patent application number | Description | Published |
20080279235 | Method and Apparatus For Driving Semiconductor Lasers, and Method and Apparatus For Deriving Drive Current Patterns For Semiconductor Lasers - Semiconductor lasers are driven such that high output laser beams are stably obtained without a long start up time. A method for driving semiconductor lasers by automatic current control or automatic power control with a constant current source involves the steps of: generating a pattern of drive current values for the semiconductor lasers, which is defined according to the amount of time which has elapsed since initiating driving thereof, that enables obtainment of substantially the same light output as a target light output by the automatic current control or the automatic power control; and varying the drive current of the semiconductor lasers in stepwise increments according to the pattern for a predetermined period of time from initiation of drive thereof A single pattern is used in common to drive the plurality of semiconductor lasers. | 11-13-2008 |
20090141754 | METHOD AND APPARATUS FOR DRIVING SEMICONDUCTOR LASERS, AND METHOD AND APPARATUS FOR DERIVING DRIVE CURRENT PATTERNS FOR SEMICONDUCTOR LASERS - Semiconductor lasers are driven such that high output laser beams are stably obtained without a long start up time. The light outputs of a plurality of semiconductor lasers are detected by photodetectors. The semiconductor lasers are driven by automatic power control based on comparison results between the output of the photodetectors and a set value corresponding to a target light output for the semiconductor lasers. A correction pattern that corrects the set value and/or the output of the photodetectors such that the actual light output becomes uniform is generated in advance. The set value and/or the output are varied according to the correction pattern for a predetermined period of time from initiation of drive. A single correction pattern is employed in common with respect to the plurality of semiconductor lasers. | 06-04-2009 |
20090261240 | CALIBRATION JIG FOR OPTICAL TOMOGRAPHIC IMAGING APPARATUS AND METHOD FOR GENERATING A CALIBRATION CONVERSION TABLE - A calibration jig allowing simple and repeatable calibration of a probe optical tomographic apparatus is disclosed. The jig includes a holding member removably attachable to an attachment section of the apparatus and a reflective surface held by the holding member. The reflective surface reflects measurement light emitted from an emitting section of the attachment section and directs reflected light back to the emitting section. If a probe of the apparatus is covered with a sheath, the jig may include a light transmitting member, which generates the same dispersion as dispersion at the sheath, between the emitting section and the reflective surface. The reflective surface may be a single reflective surface disposed within an area corresponding to twice a coherence length of the laser light with a zero path position of the reflective surface being the center of the area. | 10-22-2009 |
20130222813 | CALIBRATION JIG FOR OPTICAL TOMOGRAPHIC IMAGING APPARATUS AND METHOD FOR GENERATING A CALIBRATION CONVERSION TABLE - A calibration jig allowing simple and repeatable calibration of a probe optical tomographic apparatus is disclosed. The jig includes a holding member removably attachable to an attachment section of the apparatus and a reflective surface held by the holding member. The reflective surface reflects measurement light emitted from an emitting section of the attachment section and directs reflected light back to the emitting section. If a probe of the apparatus is covered with a sheath, the jig may include a light transmitting member, which generates the same dispersion as dispersion at the sheath, between the emitting section and the reflective surface. The reflective surface may be a single reflective surface disposed within an area corresponding to twice a coherence length of the laser light with a zero path position of the reflective surface being the center of the area. | 08-29-2013 |
20150057958 | CALIBRATION JIG FOR OPTICAL TOMOGRAPHIC IMAGING APPARATUS AND METHOD FOR GENERATING A CALIBRATION CONVERSION TABLE - A calibration jig allowing simple and repeatable calibration of a probe optical tomographic apparatus is disclosed. The jig includes a holding member removably attachable to an attachment section of the apparatus and a reflective surface held by the holding member. The reflective surface reflects measurement light emitted from an emitting section of the attachment section and directs reflected light back to the emitting section. If a probe of the apparatus is covered with a sheath, the jig may include a light transmitting member, which generates the same dispersion as dispersion at the sheath, between the emitting section and the reflective surface. The reflective surface may be a single reflective surface disposed within an area corresponding to twice a coherence length of the laser light with a zero path position of the reflective surface being the center of the area. | 02-26-2015 |