KABUSHIKI KAISHA TOPCON Patent applications |
Patent application number | Title | Published |
20160124093 | PREPARATION SYSTEM FOR SURVEYING OPERATION - A preparation system for surveying operation of the present invention includes a mobile station disposed at a known observation point and a fixed station disposed at an unknown reference point. The preparation system includes an arithmetic step to determine the position coordinate of the unknown reference point based on positioning data received by the mobile station, positioning data received by the fixed station, and a position coordinate of the known observation point, and an assigning step to assign the unknown reference point whose position coordinate is determined as the known reference point. | 05-05-2016 |
20160120405 | OPHTHALMOLOGIC APPARATUS - An ophthalmologic apparatus of an embodiment includes a focusing indicator projector, a fundus imaging unit, a driver, and a focusing controller. The focusing indicator projector is configured to irradiate light fluxes for projecting a pair of focusing indicators onto a fundus of an eye. The fundus imaging unit is configured to capture an image of the fundus. The driver is configured to move an optical system including the focusing indicator projector, the fundus imaging unit, and a focusing lens. The focusing controller is configured to move the focusing lens based on projection images of the focusing indicators captured by the fundus imaging unit, wherein the projection images are captured along with movement of the optical system by the driver. | 05-05-2016 |
20160113488 | FUNDUS PHOTOGRAPHING APPARATUS - The fundus photographing apparatus of the present invention includes an illumination light source that generates illumination light flux for illuminating a fundus (of a subject eye), a scanning optical system that converts the illumination light flux from the illumination light source unit into spot light to scan the fundus in two-dimensional directions of a horizontal direction and a vertical direction by the spot light, a light receiver that receives reflected light from each portion of the fundus illuminated by the spot light, and a fundus image acquiring unit that acquires a fundus image based on a signal from the light receiver, wherein the scanning optical system is provided with a scanner including a reflection mirror plate that rotates about orthogonal two axes to simultaneously deflect the spot light in the vertical direction and the horizontal direction for scanning. | 04-28-2016 |
20160106312 | DATA PROCESSING METHOD AND OCT APPARATUS - According to one embodiment, a data processing method is used for processing collected data acquired with respect to each A-line by swept-source OCT using a wavelength sweeping light source having a predetermined wavelength sweeping range includes. The data processing method detects a reference signal assigned to a predetermined wavelength position within the predetermined wavelength sweeping range. The data processing method sequentially performs the sampling of the collected data based on a clock from a clock generator configured to operate independently of the wavelength sweeping light source with reference to the predetermined wavelength position where the reference signal detected is assigned. The data processing method forms an image of a corresponding A-line based on the collected data. | 04-21-2016 |
20160106310 | DATA PROCESSING METHOD AND OCT APPARATUS - According to one embodiment, a data processing method is used for processing collected data acquired with respect to each A-line by swept-source OCT using a wavelength sweeping light source having a predetermined wavelength sweeping range. The data processing method detects a reference signal assigned in advance to a clock, the wavenumber of which linearly varies along the time axis, in a predetermined wavelength position within the predetermined wavelength sweeping range. Then, the data processing method sequentially performs sampling of the collected data based on the clock with reference to the predetermined wavelength position where the reference signal detected is assigned. Further, the data processing method forms an image of a corresponding A-line based on the sampled collected data. | 04-21-2016 |
20160091297 | OPERATING DEVICE, OPERATING METHOD, AND PROGRAM THEREFOR - A position at which evaluation of a defect was performed is easily identified. Relative positional relationships between three-dimensional coordinates of feature points of a photographed object and positions of a panoramic camera | 03-31-2016 |
20160070981 | OPERATING DEVICE, OPERATING SYSTEM, OPERATING METHOD, AND PROGRAM THEREFOR - A technique for efficiently calibrating a camera is provided. Reference laser scan data is obtained by scanning a building | 03-10-2016 |
20160063717 | POINT CLOUD POSITION DATA PROCESSING DEVICE, POINT CLOUD POSITION DATA PROCESSING SYSTEM, POINT CLOUD POSITION DATA PROCESSING METHOD, AND PROGRAM THEREFOR - A technique for performing calibration of a laser scanner efficiently is provided. Point cloud position data of a building | 03-03-2016 |
20160063704 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND PROGRAM THEREFOR - The position and the attitude of a device or a member are determined. A camera | 03-03-2016 |
20160063703 | OPERATING DEVICE, OPERATING METHOD, AND PROGRAM THEREFOR - Exterior orientation parameters of a camera are easily determined by, for example, a reference image being obtained by photographing a building | 03-03-2016 |
20160061595 | MEASURING DEVICE AND TILT SENSOR - A measuring device includes a base unit, a rotational unit rotatably provided on the base unit, a fluid container secured in the base unit, containing fluid forming a free surface, a light emitting system secured in the rotational unit to emit light to the free surface in the fluid container, a light receiving system secured in the rotational unit, including a light receiving element to receive the light reflected by the free surface and generate a light receiving signal, and an arithmetic controller which controls the light emitting system and the light receiving system and calculates a tilt of a rotational axis of the rotational unit according to the light receiving signal of the reflected light from the light receiving element. | 03-03-2016 |
20160056610 | LIGHT EMITTING DEVICE - Light with a short pulse width is emitted using a simple structure. A light source | 02-25-2016 |
20160056609 | METHOD FOR ADJUSTING LIGHT EMITTING DEVICE - Light with a short pulse width is emitted using a simple structure. A light source | 02-25-2016 |
20160051141 | SLIT LAMP MICROSCOPE - Provided is a slit lamp microscope capable of controlling irradiation of slit light and background illumination light interlockingly. Embodiment includes a main illumination system, background illumination system, observation system and controller. The main illumination system includes a first light source unit that outputs first light and slit forming unit that forms a slit with changeable width, and illuminates an eye with the first light having passed through the slit. The background illumination system includes a second light source unit that outputs second light, and illuminates a peripheral area of an eye area irradiated with the first light. The observation system includes an eyepiece lens, imaging device, and group of optical elements that guides reflected light of the first light and reflected light of the second light from the eye to the eyepiece lens and imaging device. The controller interlockingly controls the main illumination system and second light source unit. | 02-25-2016 |
20160040988 | ABSOLUTE ENCODER AND SURVEYING DEVICE - An absolute encoder includes a light-emitting mechanism including a light-emitting surface and emitting detection light from the light-emitting surface. A light-receiving mechanism including a scale plate having a scale area and receiving at a light-receiving area the detection light emitted from the light-emitting surface and passing through the scale area of the scale plate. The light-emitting mechanism and the light-receiving mechanism are set to a positional relationship that inclines an irradiation axis extending from the light-emitting surface through the scale area to the light-receiving area relative to a rotation axis direction of the scale plate. | 02-11-2016 |
20160033307 | ANGLE DETECTION DEVICE AND SURVEY INSTRUMENT INCLUDING THE SAME - An angle detection device include photoemitters, photodetectors, a scale plate disposed therebetween, and a control section to control them. The control section includes an analog-front-end (AFE) to convert analog signals of the photodetectors to digital signals and an arithmetic processor to detect a rotating posture of the scale plate based on the digital signals. The control section simultaneously emits lights from the photoemitters and simultaneously receives the lights by the corresponding photodetectors. The control section then executes the following data processing for each photodetector one by one in sequence: outputting the analog signals representing an entire area of a light-receiving area of one of the photodetectors and outputting the digital signals converted by the AFE to the processor. | 02-04-2016 |
20150342459 | OPHTHALMOLOGIC APPARATUS - An ophthalmologic apparatus includes a refractive power application unit, a storage unit, and a control unit. The refractive power application unit is configured to be capable of changing refractive power applied to a subject's eye. The storage unit stores at least a measurement value of eye refractive power obtained by a measurement performed for the subject's eye in the past. The control unit controls the refractive power application unit to selectively apply the measurement value and one or more refractive values different from the measurement value to the subject's eye in response to the input of an instruction to change refractive power applied to the subject's eye. | 12-03-2015 |
20150335234 | OPHTHALMOLOGIC APPARATUS - An ophthalmologic apparatus includes an examination optical system, drive part, two or more imaging parts, analyzer, storage, position corrector, and controller. The examination optical system examines an eye. The drive part moves the examination optical system. The imaging parts substantially simultaneously photograph the anterior segment of the eye from different directions. The analyzer analyzes two or more photographic images captured substantially simultaneously by the imaging parts to obtain a three-dimensional position of the eye. The storage stores correction information in advance. The correction information is acquired based on optical properties of eyeballs, and used to correct the position of the eye in the optical axis direction of the examination optical system. The position corrector corrects the three-dimensional position obtained by the analyzer based on the correction information. The controller controls the drive part based on the three-dimensional position corrected to move the examination optical system. | 11-26-2015 |
20150323304 | OPTICAL PROPERTY MEASUREMENT APPARATUS AND OPTICAL PROPERTY MEASUREMENT METHOD - An apparatus enabling abnormality detection of a sample. A first interference optical system scans the sample with first signal light from a first sample optical path, making the first signal light interfere with first reference light from a first reference optical path, to detect first interference light. Optical path length difference between the first sample optical path and first reference optical path is changed based on the detection. A change in the optical path length difference is determined. A second interference optical system scans the sample with second signal light from a second sample optical path, making the second signal light interfere with second reference light from a second reference optical path to detect second interference light. Tomographic information of the sample based on detection of the second interference light is determined. A refractive index profile of the sample is obtained based on the change amount information and tomographic information. | 11-12-2015 |
20150313467 | FUNDUS IMAGING APPARATUS - A fundus imaging apparatus includes a scanning optical system, a control circuit, and an image forming unit. The scanning optical system scans a fundus of a subject's eye with light from a light source, and receives return light from the fundus by a light receiver. The control circuit controls the scanning optical system such that a scanning locus is formed by the light in the fundus. The image forming unit forms an image of the fundus based on a light receiving signal from the light receiver and a position of the scanning locus. The control circuit is capable of performing an alignment mode, in which the control circuit controls the scanning optical system to project an alignment indicator for aligning the scanning optical system with the subject's eye on the fundus based on the light from the light source. | 11-05-2015 |
20150313466 | OPTICAL IMAGE MEASURING APPARATUS, IMAGE DISPLAYING APPARATUS AND IMAGE DISPLAYING METHOD - An optical system splits light into signal light and reference light and detects interference light between scattered light of signal light from living body and reference light. A scanner performs first scan in which first cross section that intersects interested blood vessel is repeatedly scanned with signal light. An image forming part forms first cross sectional image expressing chronological variation of morphology of first cross section and phase image expressing chronological variation of phase difference based on detection results of interference light acquired during first scan. A blood vessel region specifying part specifies blood vessel region corresponding to interested blood vessel for first cross sectional image and phase image. A blood flow information generator generates blood flow information related to interested blood vessel based on blood vessel region of first cross sectional image and chronological variation of phase difference within blood vessel region of phase image. | 11-05-2015 |
20150282707 | OPHTHALMOLOGIC APPARATUS - An ophthalmologic apparatus includes a two-dimensional scanning optical system, a refractive optical system, and a concave mirror. The two-dimensional scanning optical system deflects light from a light source in a first angle range. The refractive optical system deflects the light deflected by the two-dimensional scanning optical system in a second angle range that is wider than the first angle range. The concave mirror includes a reflective surface in at least part of the rotational symmetry surface, and reflects the light emitted from the refractive optical system. The exit-side optical axis of the refractive optical system substantially coincides with the rotational symmetry axis of the rotational symmetry surface. The pupil location in the refractive optical system and the exit focus of the concave mirror are located at optically conjugate positions or in the vicinity of the positions. The exit focus is located at a subject's eye position. | 10-08-2015 |
20150272436 | OPHTHALMOLOGIC APPARATUS - Provided is an ophthalmologic apparatus capable of determining whether measurement light is properly projected onto an eye to be examined. The apparatus includes an ocular characteristics measurement unit that measures an optical characteristic of the eye by projecting measurement light onto the eye and receiving light reflected by the eye, an observation optical system that acquires an image of an anterior ocular segment, a measurement area projection optical system that projects measurement area index light onto a cornea of the eye from a position defined in accordance with an optical axis of the ocular measurement unit, and a control unit that controls the ocular characteristics measurement unit, the observation optical system, and the measurement area projection optical system. The control unit determines whether the measurement light is properly projected onto the eye based on the acquired image of the anterior ocular segment including the measurement area index light. | 10-01-2015 |
20150245765 | OPHTHALMOLOGIC IMAGING APPARATUS AND OPTICAL UNIT ATTACHABLE TO THE SAME - An optical system of an ophthalmologic imaging apparatus of embodiment splits light from a first light source into measurement light and reference light and detects interference light of returned light of measurement light from an eye and reference light. An image forming part forms an image based on detection result from the optical system. The optical unit includes a lens and joining member. The lens is locatable in an optical path of measurement light and used for changing a focus position of measurement light from a first site of the eye to second site. The joining member joins an optical path from a second light source to the optical path of measurement light. The optical unit converges light from the second light source having been guided into the optical path of measurement light by the joining member on an eye fundus via the lens. | 09-03-2015 |
20150208916 | OPHTHALMOLOGIC APPARATUS - In an embodiment, a photographing part of an ophthalmologic apparatus photographs an eye from different directions. An optical system splits light into measurement light and reference light and detects interference light of measurement light returned from the eye and reference light. A changing part changes optical path length of measurement light. A controller controls the photographing part to perform photography and the optical system to perform first detection when first optical path length is set and controls the optical system to perform second detection when second optical path length is set and a second image substantially the same as a first image acquired by the photography is acquired. Based on the first and second optical path lengths, a calculator calculates distance between first and second sites of the eye through which measurement light has passed in the first and second detections, respectively. | 07-30-2015 |
20150204651 | DETECTION OF MISSAMPLED INTERFEROGRAMS IN FREQUENCY DOMAIN OCT WITH A K-CLOCK - Optical coherence tomography light sources can be non-linear and attempts to linearize them can lead to asynchrony between the light source and A-line scans and missampling in the scans causing signal noise. Accordingly, a system and methods are provided herein to detect missampling by obtaining a plurality of interferograms; providing at least two wavenumber reference signals at different wavenumbers, wherein the wavenumber reference signals comprise attenuated or enhanced portions of each of the plurality of interferograms; aligning each of the plurality of interferograms according to one of the at least two wavenumber reference signals; and for each of the plurality of interferograms, identifying an interferogram as missampled if another of the at least two reference signals does not align with a corresponding reference signal in a statistically significant number of the plurality of interferograms. An optical element, for example, an optical notch, may be used to generate the reference signals. | 07-23-2015 |
20150202083 | LASER TREATMENT APPARATUS - Safety of ophthalmologic laser treatment is improved. A laser treatment apparatus of an embodiment includes: a photographing system that photographs an eye; an irradiation system that irradiates aiming light of a preset pattern and treatment laser light onto a fundus of the eye; an irradiation-pattern determining part that determines an irradiation pattern of the treatment laser light based on a photograph image of the eye acquired by the photographing system and the preset pattern; and a controller that controls the irradiation system so as to irradiate the treatment laser light of the determined irradiation pattern. | 07-23-2015 |
20150182110 | OPTOTYPE PRESENTING APPARATUS - An optotype presenting apparatus that is capable of carrying out examinations accurately is provided. An optotype presenting apparatus includes a display and a controller. The display includes left eye optotype display regions and right eye optotype display regions. The left eye optotype display regions output light having a first polarization axis. The right eye optotype display regions output light having a second polarization axis orthogonal to the first polarization axis. The left eye optotype display regions and the right eye optotype display regions are alternately arranged along pixel lines. The controller is capable of displaying a plurality of optotypes selectively on the display. Further, the controller controls the display based on a type of an optotype displayed on the display to change display luminance. | 07-02-2015 |
20150182109 | SUBJECTIVE OPTOMETER - A subjective optometer includes a visual target, deflectors, calculator and positioning parts. The visual target is presented a first distance away from eyes. The deflectors deflect first optical paths formed between the eyes and the visual target to form second optical paths causing the eyes to observe the visual target as if the visual target is presented at a second distance shorter than the first distance. The calculator calculates accommodation stimulus amount for causing the eyes to observe the visual target as if presented at the second distance based on convergence accommodation amount of the eyes caused by the second optical paths, the first distance and the second distance. The positioning parts include spherical lenses and position spherical lenses having spherical powers corresponding to the accommodation stimulus amount in the second optical paths. The eyes are examined with the spherical lenses positioned in the second optical paths. | 07-02-2015 |
20150173952 | LASER TREATMENT APPARATUS - Operations of a laser treatment apparatus are facilitated. A laser treatment apparatus of an embodiment includes an illumination system, observation system, irradiation system, illumination-area changing part, irradiation-condition setting part and controller. The illumination system illuminates an eye fundus. The observation system is used for observing the fundus illuminated. The irradiation system irradiates aiming light of a preset pattern and treatment light consisting of laser light of a pattern determined based on the preset pattern onto the fundus. The illumination-area changing part is used for changing an illumination area of the fundus by the illumination system. The irradiation-condition setting part sets irradiation condition of the aiming light and/or treatment light from the irradiation system. The controller controls the illumination-area changing part based on the set irradiation condition to change the illumination area. | 06-25-2015 |
20150157201 | SUBJECTIVE OPTOMETER - A subjective optomater that is capable of measuring accommodation ability of an eye while reducing the influence of accommodative convergence is provided. A subjective optometer includes: a visual target that is presented to an eye through a measuring optical axis; a measuring optical system that includes a spherical lens capable of changing spherical power on the measuring optical axis; a spherical power changer that changes the spherical power of the spherical lens; and an optical axis deflector that deflects the measuring optical axis so as to align the measuring optical axis with a visual axis of the eye, wherein accommodation ability is measured based on the spherical power of the spherical lens in a state in which the measuring optical axis is deflected by the optical axis deflector. | 06-11-2015 |
20150141837 | OPHTHALMOLOGICAL IMAGE ANALYZER AND OPHTHALMOLOGICAL IMAGE ANALYSIS METHOD - Ophthalmological image analysis techniques that can present objective information about the state of distribution of the Meibomian glands are provided. An ophthalmological image analyzer | 05-21-2015 |
20150138502 | OPHTHALMOLOGIC IMAGING APPARATUS AND OPHTHALMOLOGIC IMAGE PROCESSING APPARATUS - An ophthalmologic imaging apparatus that can follow up imaging for acquiring a cross sectional image by referring to a front image of an eye acquired in the past and scanning the same position as before with light, includes: a photographing part configured to photograph the eye and acquire a front image thereof; a cross sectional image forming part configured to scan the eye with light and form a cross sectional image thereof; a storage configured to store a first front image of the eye and a second front image acquired in follow up imaging executed with referring to the first front image; an information obtaining part configured to analyze the first and second front images and obtain misregistration information between these front images; and a calculator configured to calculate an evaluation value of an error in a scanning position in the follow up imaging based on the misregistration information. | 05-21-2015 |
20150116660 | FUNDUS OBSERVATION APPARATUS AND FUNDUS IMAGE ANALYZING APPARATUS - In a fundus observation apparatus, an optical system detects interference light generated by superposing signal light having traveled by way of an eye fundus and reference light having traveled by way of a reference optical path. An image forming part forms a cross sectional image based on detection results of the interference light. A specifying part analyzes the cross sectional image to specify an abnormal region located in the vicinity of central fovea of the eye fundus. The association information generating part calculates the distance between the central fovea and the abnormal region and generates association information in which the direction of the abnormal region relative to the central fovea and the distance are associated with each other. The evaluation information generating part generates evaluation information for evaluating the state of the eye fundus based on the association information. | 04-30-2015 |
20150116659 | FUNDUS OBSERVATION APPARATUS - The controller | 04-30-2015 |
20150085252 | OPHTHALMOLOGIC APPARATUS - An ophthalmologic apparatus which is capable of preferably executing position matching between an eye and optical system is provided. An ophthalmologic apparatus of an embodiment includes an examination optical system, supporting part, driver, two or more imaging parts, analyzer and controller. The examination optical system is used for an examination of the eye. The supporting part supports a face of a subject. The driver moves the examination optical system and the supporting part relatively and three-dimensionally. The two or more imaging parts substantially simultaneously photograph an anterior eye part of the eye from different directions. The analyzer obtains a three-dimensional position of the eye by analyzing two or more photograph images acquired by the two or more imaging parts substantially simultaneously. The controller controls the driver based on the three-dimensional position to relatively move the examination optical system and the supporting part. | 03-26-2015 |
20150052766 | SURVEYING INSTRUMENT - A surveying instrument includes a main body including a base and a pedestal rotating in a horizontal direction relative to the base, and a cover member which covers the main body, wherein the pedestal is provided with a support member which supports a lens barrel of a ranging optical system to be rotatable in a vertical direction, and the cover member covers the support member of the pedestal, the lens barrel, and a guide light irradiation unit which irradiates with guide light indicating a collimation direction of the main body to an operator. | 02-26-2015 |
20150052765 | SURVEYING INSTRUMENT AND SURVEYING OPERATION SYSTEM - A surveying instrument includes a pedestal provided with a guide light irradiation unit provided with a light source to irradiate with guide light indicating a collimation direction of the surveying instrument to an operator, a tracking optical system which locks a target, a ranging optical system which ranges a distance to the target, and a control circuit which calculates surveying data by a ranging result of the ranging optical system, and a transmitting and receiving unit which receives survey setting point data regarding a survey setting operation and sends the surveying data obtained by the control circuit. | 02-26-2015 |
20150042951 | OPHTHALMOLOGIC IMAGING APPARATUS - An optical system of an ophthalmologic imaging apparatus of an embodiment divides light from a light source into measuring light and reference light, interferes the measuring light having passed through an eye with the reference light, and detects interference light. A processor generates examination data indicating the status of the eye by processing the detection results of the interference light. An output part outputs the examination data generated by the processor. The optical system presents a target to the eye by guiding a light flux output from a flat panel display to the eye. The processor derives a visual acuity value of the eye based on the content of a response input by using a manipulator when the response of a subject for the presented target is input via the manipulator, generating the examination data including this visual acuity value. | 02-12-2015 |
20150010226 | FUNDUS OBSERVATION APPARATUS - Distribution information of examination results of eye fundus is displayed. An imaging part carries out movie imaging of fundus. A tomographic image forming part comprises an optical system that generates and detects interference light by superposing signal light from fundus on reference light and a scanner that scans fundus with signal light, and forms tomographic image of fundus based on detection results of interference light acquired by the scanning. A setting part sets scan-target location of signal light on distribution information. A specifying part specifies image region in fundus image obtained by the movie imaging that corresponds to the scan-target location. A controller controls the scanner based on the specified image region to carry out scanning of signal light. The tomographic image forming part forms tomographic image from the detection results of interference light acquired by the scanning of signal light based on the control. | 01-08-2015 |
20140373370 | LASER SURVEYING DEVICE - A laser surveying device includes a rotatable and tiltable laser head in a housing to rotate about a rotational axis set in a certain direction and project a laser beam around and a tilt angle detector to detect a tilt angle of the laser head relative to the housing. The tilt angle detector includes a pattern plate on which a certain pattern is formed, provided in one of the laser head and the housing, light receiving elements arranged in the other of the laser head and the housing at different positions opposite to positions of the pattern plate to receive light beams reflected by the pattern plate, and a determiner to determine a direction and an amount of tilt of the laser head on the basis of a light receiving amount of each of the light receiving elements. | 12-25-2014 |
20140354802 | Spectral Image Acquiring Device And Spectral Image Acquiring Method - A spectral image acquiring device comprises an objective lens, a field aperture member for limiting a size of an image passing through the objective lens and focusing, a wavelength selecting member arranged on an optical axis of the objective lens, having two or more wavelength selecting surfaces and having different wavelength selection characteristics for each of the wavelength selecting surfaces, a deflecting member for deflecting partial luminous fluxes passing through the wavelength selecting surface, an image pickup element arranged on the optical axis of the objective lens, and an image forming lens for focusing the partial luminous fluxes deflected by the deflecting member on the image pickup element for each of the partial luminous fluxes. | 12-04-2014 |
20140320810 | OPHTHALMOLOGIC APPARATUS - An ophthalmologic apparatus of an embodiment includes an acquiring part, a first optical system, a forming part and a controller. The acquiring part acquires a first front image of an eye fundus. The first optical system scans the fundus by signal light and detects interference light of returned light of the signal light and reference light. The forming part repeatedly forms a second front image of the fundus and a cross sectional image showing a cross section perpendicular to the second front image based on the detection results repeatedly obtained by the first optical system. The controller displays the first front image on a display means, displays, as a moving image, the second front images repeatedly formed by the forming part over the first front image, and displays, as a moving image, the cross sectional images repeatedly formed by the forming part. | 10-30-2014 |
20140320809 | OPHTHALMOLOGIC APPARATUS - An ophthalmologic apparatus of an embodiment includes an examination part, a moving mechanism, an information obtaining part, and a controller. The examination part is configured to include an optical system for optically examining an eye. The moving mechanism is configured to move the optical system. The information obtaining part is configured to obtain information for carrying out position matching of the optical system to the eye. The controller is configured to carry out first control for the moving mechanism based on the information obtained by the information obtaining part to move the optical system, determine whether information optically obtained by the optical system after the first control is appropriate to the examination or not, and when it is determined that this information is not appropriate, carry out second control for the moving mechanism in response to a prescribed trigger to move the optical system. | 10-30-2014 |
20140317944 | Simplified Distance Meter - A simplified distance meter comprises a frame, at least two wheels installed in front and rear of the frame, rotation detectors for detecting rotation of at least one wheel, and tilt detecting means installed on the frame, wherein amount of rotations of the wheels is obtained by the rotation detector, and tilting of the frame corresponding to the amount of rotations is acquired by the tilt detecting means. | 10-30-2014 |
20140304995 | Surveying System - The invention provides a surveying system, which comprises an electronic level and staff devices belonging to either one of two or more groups, wherein the staff device has staffs with bar codes corresponding to groups, to which a staff belongs, and mobile station devices installed on the staffs, wherein the mobile station device has a mobile station display unit to display working data and a mobile station communication unit for performing wireless communication to and from the electronic level, wherein the electronic level has an image pickup unit for acquiring images within a range of working, a control device for extracting staff images from the images, for identifying as to which group the bar code pattern of the extracted staff image belongs and for determining three-dimensional position of the staff based on the staff image, and a main communication unit for transmitting the three-dimensional position obtained to the mobile station device, and wherein the mobile station device displays the relation between the three-dimensional position of the staff as received and the working data on the mobile station display unit. | 10-16-2014 |
20140300866 | OPHTHALMOLOGIC APPARATUS - An ophthalmologic apparatus of an embodiment includes an examination part, moving mechanism, two or more imaging parts, extracting part and controller. The examination part includes an optical system for optically examining an eye. The moving mechanism moves the optical system. The two or more imaging parts obtain moving images of the eye from two or more different directions. The extracting part extracts a partial image from each of two or more images substantially simultaneously obtained by the two or more imaging parts. The controller carries out display control for displaying in real time two or more partial images extracted by the extracting part with an arrangement in accordance with the positional relationship thereof on a display means and movement control for controlling the moving mechanism based on an instruction input from an operation means. | 10-09-2014 |
20140300864 | OPHTHALMOLOGIC APPARATUS - An ophthalmologic apparatus of an embodiment includes an acquiring part, a first optical system, a forming part and a controller. The acquiring part acquires a first front image of an eye fundus. The first optical system scans the fundus by signal light and detects interference light of returned light of the signal light and reference light. The forming part repeatedly forms a second front image of the fundus and a cross sectional image showing a cross section perpendicular to the second front image based on the detection results repeatedly obtained by the first optical system. The controller displays the first front image on a display means, displays, as a moving image, the second front images repeatedly formed by the forming part over the first front image, and displays, as a moving image, the cross sectional images repeatedly formed by the forming part. | 10-09-2014 |
20140300863 | OPHTHALMOLOGIC APPARATUS - An ophthalmologic apparatus of an embodiment includes an examination part, a moving mechanism, an information obtaining part, and a controller. The examination part is configured to include an optical system for optically examining an eye. The moving mechanism is configured to move the optical system. The information obtaining part is configured to obtain information for carrying out position matching of the optical system to the eye. The controller is configured to carry out first control for the moving mechanism based on the information obtained by the information obtaining part to move the optical system, determine whether information optically obtained by the optical system after the first control is appropriate to the examination or not, and when it is determined that this information is not appropriate, carry out second control for the moving mechanism in response to a prescribed trigger to move the optical system. | 10-09-2014 |
20140271074 | Construction Machine Control System - The invention provides a construction machine control system comprising a working tool ( | 09-18-2014 |
20140270444 | OPTIC DISC IMAGE SEGMENTATION METHOD AND APPARATUS - Provided is a method of processing image data and detecting a region of an image represented by the image data to be excluded from an analysis of the image. According to the method, image data captured by a medical modality is received. An evaluation of a portion of the image data representing a two-dimensional view of a subject appearing in the image is conducted to locate, in the two-dimensional view, the region to be excluded from the analysis of the image. A feature pertinent to the analysis appearing in a remaining portion of the image, that is outside of the region to be excluded from the analysis located by the evaluation, is detected. | 09-18-2014 |
20140259712 | Tilt Angle Detecting Device - The invention provides a tilt angle detecting device which has a two-liquid tube ( | 09-18-2014 |
20140259709 | Surveying Instrument - The invention provides a surveying instrument ( | 09-18-2014 |
20140253689 | Measuring Instrument - A measuring instrument comprises an spherical camera ( | 09-11-2014 |
20140240498 | Aerial Photographing System - An aerial photographing system, comprising a flying vehicle being remotely controlled, a camera ( | 08-28-2014 |
20140218686 | ATTENUATION-BASED OPTIC NEUROPATHY DETECTION WITH THREE-DIMENSIONAL OPTICAL COHERENCE TOMOGRAPHY - Optical coherence tomography (OCT) scan data of a subject is acquired over a region of interest which can include an optic disc or a macula of a retina. Layer boundaries of retinal layers are identified in the OCT scan data to facilitate measurements. In one aspect, a measurement related to ratio value between a total backscattered signal intensity of one or more target layers of the retina and a total backscattered signal intensity of one or more reference layers is computed on a location-by-location basis within a region of interest of the OCT scan data. Measurements can be collected, aggregated, analyzed, and displayed in connection with other information taken or derived from the OCT scan data. | 08-07-2014 |
20140204386 | IMAGE MEASURING METHOD AND IMAGE MEASURING APPARATUS - [Problem] Image artifacts caused by noises in clock signals are suppressed. | 07-24-2014 |
20140196293 | Rotary Drive Unit Of A Surveying Instrument And A Surveying Instrument - A surveying instrument which comprises a rotation unit | 07-17-2014 |
20140160274 | Omnidirectional Camera - An omnidirectional camera comprises a camera mounting frame | 06-12-2014 |
20140160263 | DATA VISUALIZATION METHOD AND APPARATUS UTILIZING RECEIVER OPERATING CHARACTERISTIC ANALYSIS - A system and method for presenting experimentally-determined data relating to a region of interest on a medical patient to a user. A computer memory stores a ROC analysis of historical data for a region of interest of a plurality of different subjects. A computer processor is programmed to compare the experimentally-determined data to historical data based on the ROC analysis of the historical data and identify the experimentally-determined data to be utilized in reaching an at least preliminary conclusion regarding the medical patient. A display device is operatively connected to the computer processor to present a visible display graphically depicting a result of the comparison performed by the processor. | 06-12-2014 |
20140152957 | OPTIC NEUROPATHY DETECTION WITH THREE-DIMENSIONAL OPTICAL COHERENCE TOMOGRAPHY - Based on optical coherence tomography (OCT) imaging of a portion of an eye, a mask of an anatomical feature is derived. Using the mask as a reference, a scan path is determined that is at least partially fitted to and/or partially enclosing the mask. OCT scan data corresponding to the scan path is acquired and analyzed to detect optic neuropathies. | 06-05-2014 |
20140139807 | SLIT LAMP MICROSCOPE - A slit lamp microscope capable of appropriately and easily carrying out the setting of the optical system is provided. In storage | 05-22-2014 |
20140119716 | Aerial Photogrammetry And Aerial Photogrammetric System - The invention provides aerial photogrammetry by using two or more flying vehicles, each equipped with a GPS device and an image pickup unit, comprising a step of setting up two or more photographing points and setting up a photographing point area, respectively, with each of the photographing points as the center, a step of measuring a position of the flying vehicle by the GPS device, a step where each of the flying vehicle reaches each corresponding photographing point area and maintains the position of the photographing point area, a step of acquiring a time when the flying vehicle finally reaches the photographing point area, a step of setting up a shutter timing time after a predetermined time from the moment when the flying vehicle has finally reached the photographing point area, and a step of taking aerial photographs by the two or more flying vehicles at the shutter timing time. | 05-01-2014 |
20140111618 | Three-Dimensional Measuring Device and Three-Dimensional Measuring System - A three-dimensional measuring device includes a light source unit, a light projecting optical unit, a light receiving optical unit, a light receiving element, a scanning unit, an angle detector, an illumination light source unit, an image pickup unit and a control arithmetic unit. The control arithmetic unit comprises a distance data processing unit for controlling the scanning unit, for calculating a distance to the object to be measured based on a received light signal, and for calculating a three-dimensional data of the object based on a calculated distance and a detection signal from the angle detector, and an image data processing unit for acquiring an illuminated image and an unilluminated image, for acquiring a difference image based on both images, for detecting a retroreflective target based on the difference image and a detected intensity of a reflected light from the difference image, and for calculating a position of the target. | 04-24-2014 |
20140092207 | Omnidirectional Camera - An omnidirectional camera comprises a camera having an image pickup element for acquiring a digital image, an image data processing device for compressing signals from the camera and for converting the signal to an image signal, and an external memory. The image data processing device has a signal processing unit, a writing changeover unit, a set of two first internal memories, a signal compensation unit, a data conversion unit, a third internal memory for temporarily storing the outputted data, and an input/output control unit for controlling the input/output of the data between the third internal memory and the external memory. The writing changeover unit accumulates signals outputted from the signal processing unit in one of the first internal memories until the signals are accumulated to a predetermined amount, and then, the writing changeover unit changes the destination of accumulation and repeatedly accumulates in the other first internal memory. | 04-03-2014 |
20140085605 | FUNDUS OBSERVATION APPARATUS - The controller | 03-27-2014 |
20140078466 | METHOD OF CONTROLLING OPHTHALMIC OBSERVATION APPARATUS AND OPHTHALMIC OBSERVATION APPARATUS - A control method of an ophthalmic observation apparatus that comprises an analysis means that analyze an image of an eye formed by using OCT, comprising: storing operation mode information in which an operation mode is associated with operational details of at least the analysis means; identifying the operational details associated with the operation mode by referring to the stored operation mode information; and controlling at least the analysis means based on the identified operational details. The analysis means can execute multiple analytic processings including layer-thickness analysis and/or lesion identification analysis. In the operation mode information, the operation mode is associated with at least one of the multiple analytic processings. In the identifying step, the analytic processing that is associated with the operation mode is identified by referring to the operation mode information. In the controlling step, the identified analytic processing is executed by controlling the analysis means. | 03-20-2014 |
20140074361 | Construction Machine Control Method And Construction Machine Control System - A construction machine control system comprises a laser surveying instrument for projecting N-shaped beams in rotary irradiation, a construction machine operated within a predetermined range of the N-shaped beams, and an elevation angle detecting unit. The construction machine comprises a working mechanical unit for carrying out construction operation, a machine control device for controlling the working mechanical unit, and at least three beam detectors disposed at known positions with respect to reference position of the construction machine. The beam detectors detect the three fan beams and output result of photodetection. The elevation angle detecting unit obtains elevation angles of each of the beam detectors with respect to the laser surveying instrument based on result of photodetection of three fan beams from the beam detectors. The machine control device is configured to control tilting of the working mechanical unit based on the elevation angle obtained. | 03-13-2014 |
20140074295 | Construction Machine Control Method And Construction Machine Control System - A construction machine control system comprises a laser surveying instrument for projecting a laser beam in rotary irradiation at constant speed and a construction machine for operating in a photodetection range of the laser beam, and in the construction machine control system, the construction machine comprises a working mechanical unit for carrying out construction operation, a machine control device for controlling the working mechanical unit, and at least three beam detectors which are disposed at known positions with respect to a device reference position of the construction machine and have a photodetector for receiving the laser beam and a direction of the construction machine is calculated based on photodetection timing of each of the beam detectors and the machine control device controls the working mechanical unit so that direction of the construction machine is set to a condition as required based on a result of calculation. | 03-13-2014 |
20140055613 | Camera For Photogrammetry And Aerial Photographic Device - The invention provides a camera for photogrammetry, which comprises a shaft | 02-27-2014 |
20130284909 | Rotation Angle Detecting Apparatus - A rotation angle detecting apparatus comprises a shaft portion space formed in a rotation shaft, a bearing holder space, a first condenser lens, a second condenser lens to face the first condenser lens, a detection pattern provided at a focal position of one of the first condenser lens and the second condenser lens, an image sensor provided at a focal position of the other of the first condenser lens and the second condenser lens, and an arithmetic unit for calculating an angle displacement of the rotation shaft. The arithmetic unit carries out a total circumferential scanning, extracts a frequency component, carries out a scanning of a reference designation pattern, and calculates the angle displacement of the rotation shaft based on a phase difference of the frequency component and the number of frequencies corresponding to a change in a position of the reference designation pattern. | 10-31-2013 |
20130242309 | OPTICAL IMAGING METHOD AND OPTICAL IMAGING APPARTUS - An optical imaging method in an embodiment includes: a scanning step to scan each of a plurality of A-lines of an object with a signal light while alternately changing the phase difference between the signal light and a reference light to two preset phase differences; a detection step to detect the interference light of the signal light passing through the A-line and the reference light; and an imaging step to generate a complex interference spectrum based on the detection results of the interference lights corresponding to the plurality of A-lines sequentially obtained in the detection step according to the scanning, and form, based on the complex interference spectrum, the tomographic image along the arrangement of the plurality of A-lines in which a complex conjugate artifact is substantially removed. | 09-19-2013 |
20130242261 | SCANNING LASER OPHTHALMOSCOPE - Provided is a scanning laser ophthalmoscope capable of accurately superposing multiple photographed images. The scanning laser ophthalmoscope comprises an image generating unit that generates first images based on the light reflected from first laser light and second images based on the light reflected from second laser light. An associating unit associates the first images and the second images based on the first laser light and the second laser light parallelly scanned by the scanning unit. A displacement calculating unit calculates displacements between images regarding multiple first images. The position matching unit matches the positions of multiple second images based on the processing results from the associating unit and the displacements. The superposing unit superposes the multiple second images that have undergone the position matching. The display unit displays an image obtained by superposing the multiple second images. | 09-19-2013 |
20130236107 | MOVING IMAGE PROCESSING DEVICE, MOVING IMAGE PROCESSING METHOD, AND RECORDING MEDIUM HAVING MOVING IMAGE PROCESSING PROGRAM - Three-dimensional coordinates of feature points of an object to be measured are back-projected to a frame image photographed from a specific position, and image coordinates of the back-projected feature points and the feature points in this frame image are compared. In this case, the feature points, which are mismatched, are removed as feature points which are mistracked between plural frames. In this case, two processing systems, of which initial conditions of calculation for obtaining the back-projected coordinates are different from each other, are performed, and the detection of the above mistracked points is performed on each of the two back-projected coordinates. The mistracked points detected in at least one of the processing systems are removed, and are not succeeded to the following processing. | 09-12-2013 |
20130181983 | POINT CLOUD DATA PROCESSING DEVICE, POINT CLOUD DATA PROCESSING SYSTEM, POINT CLOUD DATA PROCESSING METHOD, AND POINT CLOUD DATA PROCESSING PROGRAM - A point cloud data processing device is equipped with a non-plane area removing unit | 07-18-2013 |
20130176305 | POINT CLOUD POSITION DATA PROCESSING DEVICE, POINT CLOUD POSITION DATA PROCESSING SYSTEM, POINT CLOUD POSITION DATA PROCESSING METHOD, AND POINT CLOUD POSITION DATA PROCESSING PROGRAM - The device includes a unit obtaining an object's point cloud position data, a unit obtaining the object's image data, a unit in which co-relationship between point cloud position data obtained in the point cloud position data obtaining unit through a primary viewpoint or image data obtained in the image data obtaining unit through the primary viewpoint and image data obtained in the image data obtaining unit through a secondary (different from the primary) viewpoint are identified, a unit forming a three-dimensional model by the data obtained in the point cloud position data obtaining unit, and a unit controlling displaying of the model formed in the model forming unit on a displaying device. The model forming unit forms a three-dimensional model having direction seen from the secondary viewpoint, depending on the co-relationship identified in the co-relationship identifying unit. Operators see the model seen from the secondary viewpoint as an image. | 07-11-2013 |
20130174432 | Attachment Device And Total Station - An attachment device | 07-11-2013 |
20130155397 | Rotation Angle Detecting Apparatus And Surveying Instrument - A rotation angle detecting apparatus comprises a bearing holder, a rotation shaft rotatably supported by said bearing holder, a shaft portion space formed in said rotation shaft, a bearing holder space formed in said bearing holder, a first condenser lens in said shaft portion space and having an optical axis that coincides with a center line of said rotation shaft, a second condenser lens in said bearing holder space and on an extension of a center line of said rotation shaft, an angle detection pattern at a focal position of one of said first and said second condenser lens, and an image sensor at a focal position of the other of said condenser lens, wherein said image sensor detects a projection image of said angle detection pattern projected onto said image sensor, and a displacement of said projection image involved by the rotation of said rotation shaft is detected. | 06-20-2013 |
20130155225 | Surveying Apparatus - A surveying apparatus comprises an observation optical system having an image sensor for outputting a digital image signal and a zoom optical system, a reference-pattern projection optical system for making a reference pattern enter the observation optical system in an infinity state and for forming an image on the image sensor, a rotation mechanism capable of rotating in two directions, a horizontal angle detector and a vertical angle detector for detecting a horizontal angle and a vertical angle of rotation in the two directions of the rotation mechanism, and an arithmetic control unit. The arithmetic control unit measures the horizontal angle and the vertical angle of a sighting point based on detection results of the horizontal angle detector and the vertical angle detector and based on a difference between the reference pattern on the image sensor and the sighting point of the observation optical system. | 06-20-2013 |
20130155224 | Rotation Angle Detecting Apparatus And Surveying Instrument - A rotation angle detecting apparatus comprises a bearing holder, a rotation shaft rotatably supported by the bearing holder, a shaft portion space formed in the rotation shaft, a bearing holder space formed in the bearing holder, an angle detection pattern in the shaft portion space, a reference pattern and an image sensor in the bearing holder space, an optical system which exists across the shaft portion space and the bearing holder space and forms a projection image of the angle detection pattern and a projection image of the reference pattern on the image sensor, a photodetection switching means for selectively projecting the projection images of the angle detection pattern and the reference pattern onto the image sensor, and an arithmetic device for calculating a rotation angle of the rotation shaft based on a deviation between the reference pattern and the angle detection pattern received by the image sensor. | 06-20-2013 |
20130152412 | Laser Surveying System - A laser surveying system comprises a leveling unit ( | 06-20-2013 |
20130135440 | Aerial Photograph Image Pickup Method And Aerial Photograph Image Pickup Apparatus - The aerial photograph image pickup method comprises a first step of acquiring still images along an outward route and a return route respectively, a second step of preparing a stereo-image with regard to three images adjacent to each other in advancing direction, and of preparing another stereo-image by relative orientation on one more set of adjacent images and of preparing two sets of stereo-images, a third step of connecting two sets of stereo-images by using feature points extracted from a portion of an image common to the two sets of stereo-images, a step of connecting all stereo-images in the outward route direction and in the return route direction according to images acquired in the first step by repeating the second and third steps, and a step of selecting common tie points from the images adjacent to each other in the adjacent course and connecting the adjacent stereo-images in the course. | 05-30-2013 |
20130128226 | OPHTHALMOLOGIC IMAGING DEVICE - An ophthalmologic imaging device includes an optical illumination system having a cornea aperture, an iris aperture, and a lens aperture and an split mark projection system for focusing on the fundus of the subject eye. A light source is controlled by a controller to emit light for being able to obtain at least two consecutive fundus images. An inner aperture image corresponding to the lens aperture is projected on the posterior surface of the lens. The controller controls the lens aperture so that for obtaining a second fundus image, the inner aperture image is projected at a position shifted relative to the optical axis of an optical observatory or imaging system from a position at which the aperture image is projected for obtaining a first fundus image. | 05-23-2013 |
20130121564 | POINT CLOUD DATA PROCESSING DEVICE, POINT CLOUD DATA PROCESSING SYSTEM, POINT CLOUD DATA PROCESSING METHOD, AND POINT CLOUD DATA PROCESSING PROGRAM - A point cloud data processing device is equipped with a non-plane area removing unit 101, a plane labeling unit 102, a contour calculating unit 103, and a point cloud data remeasurement request processing unit 106. The non-plane area removing unit 101 removes point cloud data relating to non-plane areas from point cloud data in which a two-dimensional image of an object is linked with data of three-dimensional coordinates of plural points that form the two-dimensional image. The plane labeling unit 102 adds labels for identifying planes with respect to the point cloud data in which the data of the non-plane areas are removed. The contour calculating unit 103 calculates a contour of the object by using local flat planes based on a local area that is connected with the labeled plane. The point cloud data remeasurement request processing unit 106 requests remeasurement of the point cloud data. | 05-16-2013 |
20130107037 | Image Measuring System | 05-02-2013 |
20130093870 | FUNDUS IMAGE PROCESSING APPARATUS AND FUNDUS OBSERVATION APPARATUS - To provide the status of the cribrosa lamina of an eye of a living body as diagnostic material. A tomographic image forming part | 04-18-2013 |
20130077176 | Spectral Image Sensor Device - A spectral image sensor device comprises a first optical system | 03-28-2013 |
20130076862 | Image Acquiring Device And Image Acquiring System - An image acquiring device comprises a first camera 14 for acquiring video images, consisting of frame images continuous in time series, a second camera 15 being in a known relation with the first camera and used for acquiring two or more optical spectral images of an object to be measured, and an image pickup control device 21, and in the image acquiring device, the image pickup control device is configured to extract two or more feature points from one of the frame images, to sequentially specify the feature points in the frame images continuous in time series, to perform image matching between the frame images regarding the frame images corresponding to the two or more optical spectral images based on the feature points, and to synthesize the two or more optical spectral images according to the condition obtained by the image matching. | 03-28-2013 |
20130063698 | FUNDUS OBSERVATION APPARATUS - A fundus observation apparatus according to an embodiment comprises: a photographing part that photographs the fundus of a subject eye; a forming part comprising an optical system that irradiates signal light onto the fundus and interferes reflected light of the signal light from the fundus with reference light via a reference path and detects the resulting interference light, wherein the forming part forms a tomographic image of the fundus based on the detection result; and an analyzing part that analyzes a photographed image of the fundus from the photographing part to delete predetermined low-frequency components from the photographed image. | 03-14-2013 |
20130038835 | MICROSCOPE FOR OPHTHALMOLOGIC SURGERY - The microscope for ophthalmologic surgery | 02-14-2013 |
20130038692 | Remote Control System - A remote control system comprises a mobile object, a remote controller for remotely controlling the mobile object, and a storage unit where background images to simulate a driving room or an operation room of the mobile object are stored. The mobile object has a stereo camera, a camera control unit for controlling image pickup direction of the stereo camera, and a first communication unit for communicating information including at least images photographed by the stereo camera. The remote controller has a second communication unit for communicating to and from the first communication unit, a control unit for controlling the mobile object, and a display unit for synthesizing at least a part of the images photographed by the stereo camera and the background images and for displaying the images so that a stereoscopic view can be displayed. | 02-14-2013 |
20130027712 | OPTICAL IMAGING METHOD AND OPTICAL IMAGING APPARATUS - An optical imaging method is provided that can realize, at low cost, the extension of the imaging depth range. An optical imaging apparatus | 01-31-2013 |
20130027661 | MICROSCOPE FOR OPHTHALMOLOGIC SURGERY - A microscope for ophthalmologic surgery according to an embodiment comprises: an optical system that photographs a patient's eye; a main body part that stores at least part of the optical system; an attachment that is attached to the main body part and has multiple bright points arranged in a ring; a determination part that determines whether the eyelids of the patient's eye are open or closed by determining whether or not bright point images are depicted within a prescribed region in the frame of a first image obtained by using the optical system to photograph the patient's eye while the multiple bright points are projected thereto; and a calculation part that calculates astigmatism information of the patient's eye based on a second image obtained by using the optical system to photograph the patient's eye while the multiple bright points are projected thereto. | 01-31-2013 |
20130027660 | MICROSCOPE FOR OPHTHALMOLOGIC SURGERY - A microscope for ophthalmologic surgery is provided which can measure astigmatic axis angles with high accuracy regardless of the drawing positions of the patient's eye in an image frame. Astigmatism distribution information | 01-31-2013 |
20130008038 | Staff For Electronic Level - A staff for electronic level comprises a substrate where a short-range barcode 14 is engraved, and in the staff for electronic level, said short-range barcode is a barcode obtained by scaling down a barcode 13 for regular measurement and reversing the monochrome. | 01-10-2013 |
20130003040 | Electronic Distance Measuring Method And Electronic Distance Measuring Instrument - An electronic distance measuring instrument comprises a pulsed light emitting light source, means for creating a distance measuring pulsed light and an internal reference pulsed light, a photodetector for detecting the pulsed lights, and a measuring unit for calculating a distance to an object to be measured based on a photodetection signal. The measuring unit performs coarse distance measurement based on difference of photodetection time between the internal reference pulsed light and the distance measuring pulsed light, carries out Fourier function transform on photodetection waveform of the pulsed lights respectively, separates the waveforms to a plurality of frequency components, obtains phase difference for each of the frequency components acquired, performs fine distance measurement based on time difference acquired from phase difference, and measures a distance to the object by adding a result of coarse distance measurement to a result of fine distance measurement. | 01-03-2013 |
20130000133 | Rotary Laser Irradiating System And Rotary Laser System - A rotary laser irradiating system, comprising a light emitting unit ( | 01-03-2013 |
20120300070 | Aerial Photograph Image Pickup Method And Aerial Photograph Image Pickup Apparatus - An aerial photographing image pickup method comprises a step of making a flying object fly meanderingly, a step of taking the image at each vertex where a direction is changed in the meandering flight, a step of extracting feature points from a common overlay portion of the images taken from at least three adjacent vertices, a step of determining two images of two vertices in the images as one set and acquiring positional information of the two vertices by a GPS device for each set regarding at least two sets, a step of performing photogrammetry of the measuring points corresponding to the feature points based on positional information and based on the feature points of the two images and a step of determining the feature points when the surveying results of the measuring points coincide with each other in at least the two sets as tie points for image combination. | 11-29-2012 |
20120298847 | PLANT SENSOR - A plant sensor includes a first light emitter to emit first measuring light with a first wavelength to irradiate a growing condition measurement target therewith; a second light emitter to emit second measuring light with a second wavelength to irradiate the growing condition measurement target therewith; a light receiver to receive reflected light of each of the first and second measuring light from the growing condition measurement target and output a received light signal; a controller to control light emission; a light path merging unit to merge a first outgoing light path of the first measuring light from the first light emitter and a second outgoing light path of the second measuring light from the second light emitter; and a common outgoing light path connecting the light path merging unit to a light exit portion emitting the first measuring light and the second measuring light. | 11-29-2012 |
20120293612 | Omnidirectional Camera - An omnidirectional camera having a camera for acquiring a digital image, an image data processing device for compressing a signal output from the camera and an external memory is disclosed. In the omnidirectional camera, a writing changeover unit accumulates signals output from a signal processing unit in one of a set of first internal memories until data is accumulated to a predetermined amount. When the data is accumulated to a predetermined amount, the writing changeover unit changes destinations and accumulates signals output from the signal processing unit in the other of the set of first internal memories. The signal is output to a data converting unit from the first internal memory where accumulation reaches the predetermined amount, and the data conversion unit compresses and converts an inputted signal to an image signal and the image signal is inputted to the external memory by an input/output control unit. | 11-22-2012 |
20120277934 | Taking-Off And Landing Target Instrument And Automatic Taking-Off And Landing System - The taking-off and landing target instrument | 11-01-2012 |
20120272537 | Survey Setting Point Indicating Device And Surveying System - A survey setting point indicating device comprises a prism device | 11-01-2012 |
20120272536 | Survey Setting Point Indicating Device - A survey setting point indicating device comprises a support member | 11-01-2012 |
20120257212 | OPTICAL IMAGE MEASUREMENT APPARATUS AND OPTICAL ATTENUATOR - A cam face | 10-11-2012 |
20120257211 | OPTICAL IMAGE MEASUREMENT APPARATUS - A main controller | 10-11-2012 |
20120249997 | Laser Scanner And Method For Detecting Mobile Object - A laser scanner comprises a light projecting optical system for projecting a distance measuring light, a deflecting optical member for deflecting and projecting the distance measuring light to a measurement area, a distance measuring unit for carrying out measurement based on a reflection light and for acquiring distance data of the measurement area, a second image pickup unit capable of continuously acquiring image data including the measurement area, and a control unit. The control unit has a first image processing unit for acquiring a three-dimensional image based on the image data and on the distance data, and also has a second image processing unit for detecting a mobile object by comparing image data being adjacent to each other in terms of time. The control unit controls the distance measuring unit so that measurement of the mobile object detected in the measurement area is restricted by the second image processing unit. | 10-04-2012 |
20120242837 | Omnidirectional Camera - An omnidirectional camera comprises two or more camera units | 09-27-2012 |
20120242830 | GUIDE LIGHT DEVICE, SURVEY APPARATUS HAVING THE GUIDE LIGHT DEVICE, SURVEY SYSTEM USING THE SURVEY APPARATUS, SURVEY POLE USED IN THE SURVEY SYSTEM, AND MOBILE WIRELESS TRANSCEIVER USED IN THE SURVEY SYSTEM - A survey apparatus includes a guide light emitting optical system emitting a fan-like visible laser light elongated in upward and downward directions as a guide light, a cylindrical part having a scanning optical system searching a corner reflector provided on a survey pole and a ranging optical system measuring a distance to the corner reflector, a driving part rotating the cylindrical part about a vertical axis in a horizontal direction and rotating the cylindrical part about a horizontal axis, and an angle measurement part measuring a direction of the cylindrical part. The guide light emitting optical system is rotated about the vertical axis in a horizontal direction integrally with the cylindrical part. | 09-27-2012 |
20120242786 | Omnidirectional Camera And Lens Hood - An omnidirectional camera comprises a camera assembly | 09-27-2012 |
20120242785 | Omnidirectional Camera - An omnidirectional camera comprises a camera mounting frame | 09-27-2012 |
20120229870 | Panoramic Image Preparing Method And Three-Dimensional Laser Scanner - A panoramic image preparing method comprises a step of setting a measurement range | 09-13-2012 |
20120224164 | OPTICAL DISTANCE MEASURING APPARATUS - An optical distance measuring apparatus which emits emission light from a light source to an object and receives reflection light from the object with a light-receiving unit, and performs distance measurement based on the emission light and the reflection light, the apparatus including a deflection mechanism provided in an optical path to an irradiation light axis from the light source to the object, the deflection mechanism configured to reflect the emission light to incline a direction of the emission light with respect to the emission light axis of the light source, wherein the deflection mechanism has an optically conjugate relationship with a predetermined position on the emission light axis or on the irradiation light axis, the predetermined position being closer to the object than the deflection mechanism when viewed from the light source. | 09-06-2012 |
20120218546 | Laser Scanner, Laser Scanner Measuring System, Calibration Method For Laser Scanner Measuring System And Target For Calibration - A laser scanner measuring system is disclosed, which has a laser scanner and a calibration target. The laser scanner comprises a light emitting element for emitting a pulsed laser beam, a rotary projecting unit for projecting the pulsed laser beam, a distance measuring unit, and a control unit for driving and controlling the light emitting element and the distance measuring unit. The calibration target has a reflection sector with a known shape and with high reflectance and is installed at a known position. In use, there is a step for judging a reflected pulsed laser beam from the reflection sector by detecting a level of light quantity, a step for determining a center position of the reflection sector based on the result of the judgment, and a step for calibrating the laser scanner measuring system based on the determined center position and on the known position. | 08-30-2012 |
20120216413 | Tilt Detecting Device And Laser Surveying Instrument - The present invention provides a tilt detecting device ( | 08-30-2012 |
20120212588 | Omnidirectional Image Measuring Instrument - An omnidirectional image measuring instrument comprises a horizontal rotary table, a horizontal rotary driving unit capable of rotating the horizontal rotary table at a constant speed, an EDM device and an image pickup device provided on the horizontal rotary table, and a control device for synchronously controlling a distance measurement by the EDM device and an image pickup by the image pickup device. The control device rotates the horizontal rotary table at every predetermined angle, operates the image pickup device, acquires single images at every predetermined rotational angle over a total circumference, combines the single images, prepares an omnidirectional image, performs scanning with a distance measuring light from the EDM device, carries out the distance measurement at every predetermined rotational angle over the total circumference, calculates a horizontal angle and a vertical angle of a distance measuring point from the omnidirectional image and obtains three-dimensional data of the measuring point. | 08-23-2012 |
20120182418 | ELECTRONIC LEVEL DEVICE AND LEVEL STAFF USED FOR ELECTRONIC LEVEL DEVICE - An electronic level includes a wide-angle lens system having a two-dimensional imaging element configured to form thereon a picture image including an image of a level staff assigned with a code pattern, an extraction part configured to extract the image of the level staff from the picture image, a height-level measurement value calculation part configured to obtain a height-level measurement value indicated by a portion of the code pattern in the image of the level staff extracted by the extraction part, the portion of the code pattern located at a collimation optical axis of the wide-angle lens system, and a calculation part configured to calculate a collimation height from the height-level measurement value. | 07-19-2012 |
20120180564 | LIQUID CONTAINER AND INCLINATION DETECTOR INCLUDING THE SAME - A liquid container for use in an inclination detector includes a container body containing liquid forming a free surface and having a circumferential wall in a spherical form, in which the circumferential wall is formed so that a center of the circumferential wall and a center of the free surface coincide with each other. | 07-19-2012 |
20120173053 | Flight Control System For Flying Object - A flight control system for a flying object comprises a flying object, a navigating means provided in the flying object, a position measuring unit | 07-05-2012 |
20120162376 | Three-Dimensional Data Preparing Method And Three-Dimensional Data Preparing Device - The invention provides a three-dimensional data preparing method, using image pickup units | 06-28-2012 |
20120162360 | Wide-Angle Image Pickup Unit And Measuring Device - The invention provides a wide-angle image pickup unit, comprising at least two cameras ( | 06-28-2012 |
20120133918 | SURVEYING DEVICE AND COMMUNICATION SYSTEM FOR THE SAME - A surveying device includes a surveying unit configured to measure a direction and a distance to a target object, a control unit configured to control the surveying unit, a communication unit configured to allow the control unit to communicate with an outside network, and a status input unit with which operation status information on the surveying unit is input, wherein the control unit transmits the operation status information input with the status input unit to the outside network via the communication unit. | 05-31-2012 |
20120121158 | OPHTHALMIC OBSERVATION APPARATUS - An ophthalmic observation apparatus | 05-17-2012 |
20120120485 | INTERFERENCE MICROSCOPE AND MEASURING APPARATUS - In an interference microscope and a measuring device for observing and inspecting the surface and inside of a specimen such as a wafer by applying laser light to the specimen and using an interferometer, a reference optical path for conducting light is provided between a beam splitter and a reference mirror, and a measurement optical path for conducting light is provided between the beam splitter and the specimen, thereby providing an optical path difference between the reference optical path and the measurement optical path. Further, the reference mirror is tilted slightly, thereby forming interference fringes on detection means. It is possible to measure the surface shape of the specimen (measurement object) such as a wafer only by slightly tilting the reference mirror with a simple configuration and locate the accurate coordinate positions of foreign particles and pole pieces. | 05-17-2012 |
20120120368 | FUNDUS ANALYZING APPARTUS AND FUNDUS ANALYZING METHOD - A fundus analyzing apparatus | 05-17-2012 |
20120113431 | OPTICAL IMAGE MEASUREMENT APPARATUS - A motion detector | 05-10-2012 |
20120105824 | Laser Surveying Instrument - A laser surveying instrument comprising a light source unit having two or more light emission sources for emitting pulsed distance measuring lights with different wavelengths, a light projecting unit for projecting the pulsed distance measuring lights with the two or more wavelengths on an optical axis, and a deflection member provided on the optical axis, is disclosed. The deflection member has two or more reflection surfaces which reflect each wavelength of the pulsed distance measuring lights independently, thereby dividing the pulsed distance measuring lights for every wavelength, and deflecting each of the distance measuring lights toward an object to be measured. The instrument comprises a single photodetection element for receiving reflected distance measuring lights from the object to be measured. In the laser surveying instrument, a measurement of distance is performed for every pulsed distance measuring light based on a photodetection signal produced by the photodetection element. | 05-03-2012 |
20120081692 | Distance Measuring Instrument - The invention provides a distance measuring instrument, comprising a light emitting unit | 04-05-2012 |
20120081691 | Measuring Method And Measuring Instrument - The invention provides the measuring method for performing monitoring measurement on a plurality of measuring points by using a measuring instrument | 04-05-2012 |
20120081690 | Measuring Method And Measuring Instrument - The invention provides a measuring instrument, comprising a telescope, a distance measuring unit, an image pickup unit, angle detecting units for detecting a vertical and horizontal angle in the sighting direction, an automatic sighting unit, an arithmetic unit, and a storage unit. The arithmetic unit makes the telescope rotate in horizontal and vertical direction and perform scanning over a predetermined range so that a plurality of objects to be measured are included and makes the image pickup unit acquire digital images during the scanning process. The arithmetic unit detects the objects in the digital images, calculates a vertical and horizontal angle of the objects based on the angle detector and a deviation of each of the objects from sighting axis, associates the calculated angles with each of the objects, and makes the storage unit store the vertical and horizontal angles of the objects as target values for automatic sighting. | 04-05-2012 |
20120078451 | Automatic Taking-Off And Landing System - The invention provides an automatic taking-off and landing system, comprising a flying object and a taking-off and landing target, wherein the flying object has an image pickup device | 03-29-2012 |
20120057130 | OPHTHALMOLOGIC APPARATUS - Provided is an ophthalmologic apparatus capable of measuring a refractive state in a state where a pupil diameter dimension varies with respect to an eye to be examined, the ophthalmologic apparatus including a measurement optical system capable of measuring distribution of an optical characteristic within a pupil diameter of the eye to be examined, the ophthalmologic apparatus including a visible light illuminator for illuminating the eye to be examined with visible light along an optical axis of the measurement optical system. The visible light illuminator is configured to be capable of changing an illuminating light intensity in a range including at least from a light intensity capable of exposing the eye to be examined to brightness equivalent to that, in a nighttime environment to a light intensity capable of exposing the eye to be examined to brightness equivalent to that in a daytime environment. | 03-08-2012 |
20120057021 | Measuring Method And Measuring Device - The invention provides a measuring device, comprising a distance measuring unit | 03-08-2012 |
20120044456 | FUNDUS OBSERVATION APPARATUS - The controller | 02-23-2012 |
20120033181 | FUNDUS OBSERVATION APPARATUS - The fundus observation apparatus | 02-09-2012 |
20120013917 | Measuring Device - The present invention provides a measuring device, comprising a light source unit | 01-19-2012 |
20120013915 | OPTICAL IMAGE MEASUREMENT DEVICE - An optical image measurement device comprises: a light amount adjustment part that adjusts the light amount of a laser beam generated by a low coherence light source | 01-19-2012 |
20120012350 | Surveying System And Laser Reference Plane Smoothing Method In Surveying System - A surveying system comprises a plurality of rotary laser devices ( | 01-19-2012 |
20110315877 | Electron Microscope Device - The present invention provides an electron microscope device, comprising a scanning electron microscope | 12-29-2011 |
20110292362 | Exposure apparatus - An exposure apparatus which forms a predetermined mask pattern on a target workpiece through exposure by: casting exposure light upon a mask in which the pattern and a mask-side alignment mark are formed, and forming an image of the mask on the target workpiece by projecting the exposure light, which passes the mask, on the target workpiece through a projection lens, includes: an alignment lighting unit configured to cast, as alignment light, light in a wavelength range included in the exposure light onto the mask-side alignment mark of the mask; and an alignment camera unit including an image pickup device for capturing images, and configured to receive the incident alignment light coming from the alignment lighting unit through the mask and the projection lens. | 12-01-2011 |
20110292361 | Exposure apparatus - An exposure apparatus including a warp deformation forming mechanism having a plane-parallel plate for warp deformation provided on a projection optical path of a mask pattern to be projected to a work substrate, and configured to be deformed by warping, a restraint member configured to cause an intermediate part of the plane-parallel plate between neighboring two of corner parts to serve as a fulcrum, each corner part formed by two intersecting sides of the plane-parallel plate, and a pressure member configured to warp and deform the plane-parallel plate with the restraint member used as a fulcrum by applying a pressurizing force to the corner parts of the plane-parallel plate in an optical axis direction of the projection optical path. | 12-01-2011 |
20110286003 | OPTICAL IMAGE MEASURING DEVICE - An optical image measuring device includes: an optical system that generates and detects interference light; an image forming part that forms a tomographic image based on the detection; an alignment part that performs alignment of the optical system with respect to an object; a focusing part that focuses the optical system with respect to the region of interest; a determining part that determines the suitability of the position of the optical system by the alignment part, the suitability of the focus state by the focusing part, and the suitability of the position of the tomographic image in a frame; a control part that, when it is determined that all of the positions of the optical system, position of focus state and the position in said frame are appropriate, controls the optical system and the image forming part, making it possible to obtain the tomographic image of the region of interest. | 11-24-2011 |
20110270563 | Electro-Optical Distance Measuring Method And Electro-Optical Distance Measuring Device - The present invention provides an electro-optical distance measurement, wherein a light from a light source ( | 11-03-2011 |
20110267583 | OPTICAL IMAGE MEASURING DEVICE AND CONTROL METHOD THEREOF - A low-coherence light is split into a signal light and a reference light. The optical path length of the reference light is switched to optical path lengths that correspond to a first depth zone and a second depth zone. When forming a tomographic image of the second depth zone, in an optical system that condenses the signal light to the first depth zone when a measured object and an objective lens are located at a predetermined working distance, while being positioned at the working distance, a depth zone switching lens that transitions the depth at which the signal light is condensed to the second depth zone is inserted. | 11-03-2011 |
20110266468 | EXTREME ULTRAVIOLET LIGHT SOURCE APPARATUS - An extreme ultraviolet light source apparatus comprises a target supply unit supplying a target into a vacuum chamber, a laser oscillator outputting a laser light into the vacuum chamber, a collector mirror outputting an extreme ultraviolet light outside by reflecting the extreme ultraviolet light emitted from the target being ionized as a plasma by irradiation with the laser light at a plasma luminescence point in the vacuum chamber, and an ion debris removal unit at least a part of which is located in an obscuration region including the plasma luminescence point. | 11-03-2011 |
20110261368 | Laser Scanner - The invention provides a laser scanner | 10-27-2011 |
20110242488 | OPHTHALMIC MEASUREMENT APPARATUS - Provided is an ophthalmic measurement apparatus capable of quickly transferring from measurement of ocular characteristics of one eye to measurement of ocular characteristics of the other eye. An ophthalmic measurement apparatus | 10-06-2011 |
20110169948 | Electro-Optical Distance Measuring Device - An electro-optical distance measuring device having a photodetection unit comprising a plurality of pixels arranged in a predetermined arrangement is disclosed. A signal processing unit has a storage unit for storing the detection result in correspondence with each of the pixels, wherein the signal processing control unit sequentially changes a position of the division for every cycle wave at which the photodetection amount is detected and continues detections until a detected range becomes at least one cycle or more. The arithmetic processing unit calculates a waveform for at least one cycle stored in the storage unit for each pixel, obtains a phase difference of the waveform with respect to the irradiated distance measuring light, and calculates the distance based on the phase difference. | 07-14-2011 |
20110158475 | Position Measuring Method And Position Measuring Instrument - The present invention provides a position measuring instrument, comprising a GPS position detecting device | 06-30-2011 |
20110096319 | GEOGRAPHIC DATA COLLECTING SYSTEM - A geographic data collecting system, comprising a distance measuring unit for projecting a distance measuring light and for measuring a distance to an object to be measured, a camera for taking an image in measuring direction, a display unit for displaying the pickup image, a touch panel provided to correspond to a screen position of the display unit, a tilt sensor for detecting a tilting of the measuring direction, and an arithmetic unit for calculating a distance to the object to be measured by giving consideration on the tilting in the measuring direction and a point-to-point distance as specified on the image by specifying two or more points of the object to be measured on a displayed image via the touch panel. | 04-28-2011 |
20110080596 | Measuring Method And Measuring Device - The invention provides a measuring method for installing a measuring rod | 04-07-2011 |
20110080561 | OPTICAL IMAGE MEASURING DEVICE - An optical image measuring device | 04-07-2011 |
20110051088 | FUNDUS OCULI OBSERVING DEVICE - A fundus oculi observing device 1 specifies a characteristic site of a fundus oculi Ef depicted in tomographic images of the fundus oculi Ef and, based on the position of the characteristic site within frames FH and FV of the tomographic images, changes a target position of a signal light LS so that the characteristic site is depicted in the center positions within the frames FH and FV and executes a main measurement, thereby forming a tomographic image and/or a three-dimensional image of the fundus oculi Ef. | 03-03-2011 |
20100328608 | STEREOMICROSCOPE - In intraocular observation of the eye, the slit lamp microscope | 12-30-2010 |
20100245587 | Automatic tracking method and surveying device - The present invention provides an automatic tracking method, comprising a light spot detecting step of detecting a light spot | 09-30-2010 |
20100229409 | Surveying system - The present invention relates to a surveying system, comprising a rotary laser irradiation device | 09-16-2010 |
20100194757 | FUNDUS OCULI OBSERVATION DEVICE, OPHTHALMOLOGIC IMAGE PROCESSING DEVICE, AND PROGRAM - A fundus oculi observation device capable of defining which part in the result of analysis of the layer thickness of a fundus oculi is a part obtained by analyzing a vascular region is provided. A fundus oculi observation device | 08-05-2010 |
20100188502 | Optical image measurement device - A fundus oculi observation device acts as an optical image measurement device capable of measuring an OCT image such as a tomographic image of a fundus oculi, or the like, and is configured so as to calculate the signal level of the formed OCT image, determine whether the signal level exceeds a threshold value, and change the position of a reference mirror so that the signal level is determined to exceed the threshold value. | 07-29-2010 |
20100182567 | FUNDUS OCULI OBSERVATION DEVICE AND PROGRAM CONTROLLING THE SAME - [Task] To provide a fundus oculi observation device capable of effectively performing dispersion compensation. | 07-22-2010 |
20100163729 | Electron microscope device - The present invention provides an electron microscope device, comprising a scanning electron microscope | 07-01-2010 |
20100163728 | Electron microscope device - The present invention provides an electron microscope device | 07-01-2010 |
20100149489 | FUNDUS OCULI OBSERVATION DEVICE AND PROGRAM FOR CONTROLLING THE SAME - A fundus oculi observation device | 06-17-2010 |
20100134802 | OPTICAL IMAGE MEASURING DEVICE - An optical image measurement device | 06-03-2010 |
20100128960 | CORNEA OBSERVATION DEVICE - An object is to allow grasp of a depth position of a corneal image. A cornea observation device | 05-27-2010 |
20100110375 | OPTICAL IMAGE MEASUREMENT DEVICE - A device 1 is an OCT device that splits a low-coherence light L | 05-06-2010 |
20100079874 | Anamorphic optical system, image pickup device, on-board type camera and monitoring camera - The present invention provides an anamorphic optical system | 04-01-2010 |
20100077627 | LENS SHAPE MEASURING METHOD AND LENS SHAPE MEASURING APPARATUS - A lens shape measuring method includes: bringing a feeler into contact with an outer peripheral surface of a spectacle lens, the outer peripheral surface corresponding to a lens shape of spectacles, the feeler being rotatable about a rotation axis and movable forward and backward relative to the rotation axis in a radial direction, and, while keeping the contact state, moving the feeler along a contact surface of the feeler with the lens shape in a circumferential direction, to measure radii ρi (i=0,1,2, . . . n) of the lens shape over an entire circumference of thereof, the radii ρi representing change in distance from a geometric center of the lens shape to the feeler, a measurement region of the lens shape being divided into multiple sub-regions, and within each of the sub-regions, the rotation axis line being moved to a position to cause the feeler to measure the lens shape within the sub-region. | 04-01-2010 |
20100064533 | SPECTACLE LENS FRAME SHAPE MEASURING APPARATUS - A spectacle lens frame shape measuring apparatus includes a holding device including upper pins and lower pins respectively holding upper rims and lower rims of frames for a spectacle lens, the upper pins holding the frames at different positions in a right-left direction from the positions at which the lower pins hold the frames and being placed at a same height as the lower pins in a vertical direction, a probe brought into contact with lens fitting grooves of the frames held by the holding device, a swinging mechanism swinging the holding device around a predetermined virtual axis, and a calculation controller calculating an axial shift amount or angle of the frames held by the holding device on the basis of a carved angle of the frames and an inclination angle of any one of the upper and lower rims, and correcting a shape of the frames obtained by the probe in accordance with the calculated axial shift amount or angle. | 03-18-2010 |
20100039616 | OPTICAL IMAGE MEASUREMENT DEVICE AND PROGRAM FOR CONTROLLING THE SAME - A fundus oculi observation device | 02-18-2010 |
20100007872 | SURFACE INSPECTING METHOD AND DEVICE - A light source section outputs optical flux having two types of wavelength, which are a short wavelength and a long wavelength, while the intensity is made variable. The optical flux is made incident to a detected surface of a body to be detected at a predetermined incident angle simultaneously or alternatively. Based on a type of optical flux outputted from the light source section and an output from a first light intensity detecting section, at least the intensity of the optical flux having a long wavelength outputted from the light source section is adjusted. The output from the first light intensity detecting section in irradiating the optical flux having a short wavelength is compared with the output from the first light intensity detecting section in irradiating the optical flux having a long wavelength. A signal that appears only in the output from the first light intensity detecting section in irradiating the optical flux having a long wavelength is identified as a detected signal from an internal subject. The intensity of optical flux having a long wavelength is adjusted. A disappearance level near a point where the detected signal from the internal subject disappears is calculated. The first intensity of optical flux having a long wavelength is set to level higher than the disappearance level. Based on the output from the first light intensity detecting section obtained by the optical flux having a long wavelength of the first intensity, a subject inside the body to be detected is measured. | 01-14-2010 |
20090282688 | SHAPE MEASURING APPARATUS AND METHOD FOR EYEGLASS ELEMENT - A shape measuring apparatus for eyeglass element is configured to three-dimensionally measures an inner circumferential contour shape of an eyeglass element. The apparatus includes a holder which holds the eyeglass element; a measuring element which traces a shape of the eyeglass element; a driver for the measuring element; a position detector which detects a position of the measuring element; an arithmetic controller which processes positional data on the measuring element and controls the driver to slide the measuring element, a moving amount detector which detects a moving amount of the measuring element per unit time when the measuring element moves towards the measuring element; and a movement controller which controls the measuring element to move at a desirable speed which corresponds to the moving amount per unit time detected by the moving amount detector. | 11-19-2009 |
20090244668 | METHOD OF DRIVING MEMS MIRROR SCANNER, METHOD OF DRIVING MEMS ACTUATOR SCANNER AND METHOD OF CONTROLLING ROTATION ANGLE OF MEMS ACTUATOR - A method of driving a MEMS mirror scanner having an electrostatic actuator, comprising a step of driving the electrostatic actuator according to an input signal in accordance with a driving waveform obtained by the following equation, | 10-01-2009 |
20090207378 | Ophthalmologic apparatus - An ophthalmologic apparatus has a setting part configured to acquire position information of a first examining part at the time of execution of a first examination and set a movable range of a second examining part in a direction of a second working distance based on the position information and distance information. This ophthalmologic apparatus controls so that an examining unit moves within the movable range set based on the position information of the first examining part and the distance information when an examination by the examining unit is switched from the first examination to a second examination. | 08-20-2009 |
20090168021 | Ophthalmologic apparatus - An opthalmologic apparatus has an examination unit including a plurality of examining parts for executing different examinations on an eye to and a driver moving the examination unit in the horizontal direction and in the anteroposterior direction. The opthalmologic apparatus controls the driver when switching a examination subject by the examination unit from one eye to the other eye to cause the examination unit to retreat by only a retreating distance according to the working distance of an examination part positioned at the examination position for the one eye. The examination unit retreats by only a distance according to the working distance. Therefore, it is possible to achieve both reductions in examination time and improvements for safety by preventing an examining part comes into contact with the patient. | 07-02-2009 |
20090161946 | IMAGE PROCESSING APPARATUS - An image processing apparatus comprises an inputting section for inputting a plurality of continuous images which were photographed by a photographing section progressively moving relative to a photographed object; an extracting section for extracting characteristic points from images input by the inputting section; a tracking section for tracking the points corresponding to the characteristic points in the plurality of continuous images; an embedding section for embedding tracking data, which includes data of extracted and tracked points by the extracting section and the tracking section, into each image; and an outputting section for outputting the plurality of continuous images sequentially in which the tracking data was embedded by the embedding section. | 06-25-2009 |
20090161119 | MIXING APPARATUS AND DISTANCE MEASURING APPARATUS USING SAME - For the purpose of mixing laser light (P | 06-25-2009 |
20090153873 | Optical Image Measuring Apparatus - Provided is an optical image measuring apparatus capable of obtaining a high-accuracy image without being influenced by a movement of an object to be measured. Flash light is emitted from a xenon lamp ( | 06-18-2009 |
20090128930 | Optical axis tilting device for laser optical system - An optical axis tilting device for laser optical system is configured to include a lens barrel in which a laser optical system is disposed; a tilt frame provided with a tilt sensor, a tilt mechanism including a drive motor, a threaded shaft, a movable member, and a position detector; a leveling mechanism; a ball joint mechanism including a ball support portion in the lens barrel, a ball portion made of a magnetic material and supported between the ball support portion and the tilt frame, a conical recess formed in one of the ball support portion and the tilt frame, and a permanent magnet provided in the one of the ball support portion and the tilt frame; and a computing portion. | 05-21-2009 |
20090122398 | Surgical microscope apparatus - A surgical microscope apparatus | 05-14-2009 |
20090122296 | Time Difference Measuring Device, Measuring Method, Distance Measuring Device, and Distance Measuring Method - A time difference measuring device can accurately measure a time difference between two pulse signals generated with a predetermined time difference by measuring the two pulse signals by one measurement. The time difference measuring device measures a time difference between a start signal (M | 05-14-2009 |
20090116102 | Stereomicroscope - An illumination optical system projects an illumination light onto an observation object via an objective lens. A first observation optical system guides the illumination light reflected by the observation object to a first ocular lens. A second observation optical system includes a second ocular lens for observing the reflected light of the illumination light. An optical system drive mechanism rotates the second observation optical system and arranges the second observation optical system between a first position and second position facing each other. A reflecting member is disposed at a position retracted from the illumination light path and the reflected light path and reflects the reflected light in a direction different from the optical axis. A drive mechanism rotates the reflecting member around a rotation axis orthogonal to the optical axis and guides the reflected light to the second observation optical system arranged at the first or second position. | 05-07-2009 |
20090110521 | Wafer holder - A wafer holder is provided which includes a holder body with a chuck table having a ring-like wafer receptacle, and a plurality of fixing portions fixing a wafer on the wafer receptacle to hold the wafer, and a carrier supporting the wafer before fixed on the wafer receptacle from downward. The holder body includes a carrier support portion which forms a support face to support the carrier and be changeable in height from an original position, and positions the support face on which the wafer is placed at a delivery position. The carrier support portion separates the wafer from the carrier by lowering the support face from the delivery position, so that the fixing portions fix the wafer. | 04-30-2009 |
20090038504 | POLISHING SLURRY FOR IONIC MATERIALS - A polishing slurry is disclosed, which is to be used for polishing an ionic material, the polishing slurry including a dispersant which is to form a nonionic adsorbing layer on a surface of the ionic material. The dispersant may be selected by separately preparing first and second solutions containing first and second different dispersants, immersing test pieces each made of said ionic material into the first and second solutions, respectively, comparing a step between an etched portion and a non-etched portion of the test piece immersed in the first solution with a step between an etched portion and a non-etched portion of the test piece immersed in the second solution, and selecting the dispersant used in the solution in which the test piece having the smaller step is immersed. | 02-12-2009 |
20090015790 | Surgical microscope apparatus - A drive unit | 01-15-2009 |
20080297921 | Optical axis tilting device of laser optical system - An optical axis tilting device of a laser optical system, includes a lens barrel inside of which provided with a laser optical system; a tilt frame supported at the lens barrel; a tilt sensor which is provided at the tilt frame and is configured to detect a preset reference position of the tilt frame; a fixed frame fixed to the lens barrel and provided with a tilting mechanism which tilts the tilt frame relative to a horizontal plane; a leveling mechanism which supports the lens barrel tiltably, and tilts the lens barrel so as to detect the reference position by the tilt sensor and then levels the tilt frame; a feed screw which is rotatably driven by a driving motor; a feed piece which is reciprocated by the feed screw and engages with the tilt frame and tilts the tilt frame relative to the reference position; a piece position detection device configured to detect a position of the feed piece; and a computing device configured to calculate a tilting angle based on the position of the feed piece detected by the piece position detection device. | 12-04-2008 |
20080231794 | Jig Mounting Apparatus - A jig mounting apparatus has a detection optical system that detects reference marker of an eyeglass lens, is configured so as to determine an mounting point based on the reference marker detected by the detection optical system and position the mounting center of jig, which is used in processing the eyeglass lens, on the mounting point to mount the jig on the surface of the eyeglass lens, in which the detection optical system includes: a focusing optical system that focuses a light-emitting optical flux from a light source on the surface of the eyeglass lens, where hidden marks are formed, via an aperture stop; a reflection plate that reflects an optical flux focused by the focusing optical system and passed through the eyeglass lens; and an imaging device that is provided on a position optically approximately conjugate with the aperture stop and configured to focus on a space portion along an optical axis direction from the surface of the eyeglass lens. | 09-25-2008 |
20080208525 | OPTICAL IMAGE MEASUREMENT DEVICE - An optical image measurement device comprises: a controller configured to control the scanner to scan the target position along a plurality of radially-arranged scanning lines; and an image forming part configured to form a tomographic image on each of the plurality of scanning lines based on the result detected by the detector, and form a 3-dimensional image of the measurement object based on the plurality of tomographic images having been formed. | 08-28-2008 |
20080204723 | Mask defect inspection apparatus - The mask defect inspection apparatus including an illumination optical system for illuminating a mask on which a pattern is formed; an objective lens facing the mask; at least a pair of detection optical systems having a detection sensor for obtaining an image of the pattern, respectively, and which receive illumination light from illumination areas different from each other through the objective lens, respectively; and focusing changing means for changing a position of focusing between sites of the pattern in a film-thickness direction of the mask and the pattern images obtained by the detection sensors, such that the pattern images obtained by the detection sensors are changed corresponding to the film-thickness direction of the mask. | 08-28-2008 |
20080204661 | DEFORMABLE MIRROR DEVICE AND APPARATUS FOR OBSERVING RETINA OF EYE - It is made possible to improve the variations in the “generated force (load)—deflection characteristics”. A deformable mirror device includes: a substrate; a plurality of electrodes provided on the substrate; a spacer disposed on the substrate; a support member disposed above the spacer and having an opening passing through from a first face of the support member facing to the substrate to a second face of the support member facing opposite from the first face; a first insulation film provided around the opening on the first face of the support member; and a deformable electrode film disposed so as to be opposed to the electrodes at a spacing, formed so as to cover the opening, and supported by the support member with sandwiching the first insulation film. The electrode film includes a reflection portion on a face opposite to the electrodes. | 08-28-2008 |