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Assignee: Kabushiki Kaisha Topcon


Location: Tokyo, JP
No. of patents: 429

1                      
NumberTitleIssue Date
8408704Fundus 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 1 forms a plurality of tomogra...
04/02/2013
8407904Rotary laser beam emitter
A rotary laser beam emitter includes a base unit including a reference reflector with a reference reflective face parallel to a reference plane, a rotary element rotatably supported on the base unit around a rotary axis, and a beam emitting unit contained in the rot...
04/02/2013
8403482Fundus oculi observation device and program controlling the same
[Task] To provide a fundus oculi observation device capable of effectively performing dispersion compensation. [Means for Resolution] A fundus oculi observation device 1 functions as an optical image measurement device that splits a broadband light int...
03/26/2013
8351115Complex type microscopic device
A complex type microscopic device includes a slider unit moving a stage, an optical microscope, a scanning electron microscope with an electron axis intersecting with an optical axis of the optical microscope, an optical measurement/observation unit having a magnifi...
01/08/2013
8351025Target and three-dimensional-shape measurement device using the same
A target set in a to-be-measured object and used for acquiring a reference value of point-cloud data, the target includes a small circle surrounded by a frame and having the center of the target, a large circle surrounded by the frame and disposed concentrically wit...
01/08/2013
8348426Optical image measurement device and image processing device
An optical image measurement device is configured to form a tomographic image at each of a plurality of cross sections of a measurement object, and the optical image measurement device comprises: an image processor configured to execute an arithmetic operation based...
01/08/2013
8328355Ophthalmic device
An ophthalmic device is provided with a photographing optical system that photographs an eye fundus; an illumination optical system that illuminate the eye fundus; a split target projection optical system that projects a split target for focusing the photographing o...
12/11/2012
8320765Optical signal transfer device
An optical signal transfer device includes a transmitter system and a receiver system for signal transfer between a base unit and a rotary unit. The receiver system includes a natural number n of light receiving portions forming a ring-like light receiving area arou...
11/27/2012
D670180Rotating laser
11/06/2012
8300986Image measurement apparatus for creating a panoramic image
A measurement processing block obtains a plurality of first images of the object to be measured, taken with very small movements in the imaging area. A feature extraction processing block extracts an approximate feature portion of the object from the first images ob...
10/30/2012
D669374Surveying instrument
10/23/2012
8279509MEMS-scanning mirror device and method for manufacturing the same
An MEMS-scanning mirror device includes an electrostatic comb actuator, in which a mirror surface is formed below a top surface (TOPS) of the mirror device. In a method for manufacturing the MEMS-scanning mirror device having the electrostatic comb actuator, a mirro...
10/02/2012
8243264Measuring apparatus
A measuring apparatus measuring a surface shape of a target includes a projection optical system to radiate a line beam on the target, an imaging device to acquire a reflected line beam reflected from the target, an optical imaging system to cause the reflected line...
08/14/2012
D663226Surveying instrument
07/10/2012
8205988Stereomicroscope
In intraocular observation of the eye, the slit lamp microscope 1causes the illumination light emitted by the illumination system 8 to enter the inside of the eye via the head lens 20 and causes an intraocularly reflected light of this illuminat...
06/26/2012
8192024Optical image measurement device and program for controlling the same
A fundus oculi observation device 1 divides a low-coherence light L0 into a signal light LS and a reference light LR, superimposes the signal light LS propagated through a a fundus oculi Ef and the reference light LR propagated through a reference mirr...
06/05/2012
8179522Distance measuring device
A distance measuring device measures a distance from a phase difference of beaten down processing signals even when fluctuations occur in a frequency of an oscillator. The distance measuring device includes a laser unit, a dividing device, a reference light receivin...
05/15/2012
8177362Optical image measurement device
A device is an OCT device that splits a low-coherence light into a signal light and a reference light, detects an interference light obtained by superimposing the signal light propagated through an eye and the reference light propagated through a reference mirror, a...
05/15/2012
8144311Laser apparatus and distance measurement apparatus
A technique for selecting two or more wavelengths of output light by a simpler structure is provided. A laser apparatus includes a laser oscillation portion for oscillating laser light; a nonlinear crystal inputting the laser light from the laser oscillation portion...
03/27/2012
8130368Distance measuring apparatus
A distance measuring apparatus for measuring a distance to a target point in a target area comprises a laser oscillator for generating a laser beam having a first wavelength, a nonlinear crystal into which the laser beam having the first wavelength generated by the ...
03/06/2012
8098278Optical image measurement device
A fundus oculi observation device 1 splits a low-coherence light L0 into a signal light LS and a reference light LR, generates an interference light LC from the signal light LS propagated through an eye E and the reference light LR propagated through a...
01/17/2012
8096658Fundus oculi observation device and program for controlling the same
A fundus oculi observation device 1 can form a near-infrared motion image and a color image (still image) of a fundus oculi Ef. The device 1 specifies an image region within the near-infrared motion image corresponding to a region of interest within th...
01/17/2012
8044335Level sensor implemented with a plurality of light receiving elements
A level sensor, i.e., a light receiving section (11X) having multiple light receiving elements (PDX1 to PDXn) arranged in parallel. In the level sensor, each two adjacent output terminals of the light receiving elements (PDX1 to PDXn) are connec...
10/25/2011
8042280Lens shape measurement device
An arithmetic control circuit (52) is configured to bring the measuring element (38) for a lens into contact with at least two points (measurement points P1, P2) of one of two refracting surfaces of the lens Lm held in the lens holder by ...
10/25/2011
8023178Line-like laser beam flux irradiating apparatus
A line-like (line) laser beam flux irradiating apparatus includes a laser source which emits a divergent laser beam flux, a conversion lens which converts the divergent laser beam flux to a parallel laser beam flux, a first lens which forms a first line-like laser b...
09/20/2011
8009297Optical 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 (2) and converted into broad band light by an optical filt...
08/30/2011
8009286Surface 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 output from the first light intensity detecting section in irradiating the optical flux having a...
08/30/2011
8004693Lens holder and lens shape measuring apparatus
A lens holder includes a lens holding member having a mounting shaft portion and is configured to hold a lens provided with at least one hole mounting a fitting for a rimless frame or a dummy lens provided with at least one hole, a main body including an opened bott...
08/23/2011
8003963Extreme 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 reflecti...
08/23/2011
7990610Stereomicroscope with repositioning assistant's microscope
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 ...
08/02/2011
7982949Operation microscope having assistant's microscope
An operation microscope includes a microscope body having an illumination optical system which illuminates a subject, a lens barrel, and a main observation optical system which observes the subject, an assistant's microscope unit attached to the microscope body, and...
07/19/2011
7982171Detection sensor to detect receiving position of laser light and level device employing the detection sensor to detect receiving position of laser light
A detection sensor to detect a receiving position of laser light according to the present invention includes a pair of light receiving element arrays (11X and 11Y), wherein adjacent light receiving elements (PDXi) are positioned as spaced equidistantly...
07/19/2011
7959288Ophthalmologic imager
An ophthalmologic imager comprises an illuminating optical system for projecting an illuminating light beam onto an ocular fundus, a light-receiving optical system having a focusing lens and serving to guiding the light reflected from the ocular fundus to an imaging...
06/14/2011
7945821Time lag measuring device, distance measuring apparatus and distance measuring method
In measuring a certain time lag between generations of two pulse signals, a time lag measuring device prevents errors in measurement results even with an error in two reference signals for measuring the time lag. The device measures a time lag between a start signal...
05/17/2011
7533990Ophthalmologic apparatus
An ophthalmologic apparatus is disclosed. In one aspect, the apparatus includes ocular fundus photographing systems for forming an ocular fundus image of the examined eye, based on a reflective beam from the ocular fundus of the examined eye, and a light receiving e...
05/19/2009
7489390Pulse light receiving time measurement apparatus and distance measurement including the same
A pulse light receiving time measurement apparatus according to the present invention includes a light receiving element receiving reflected pulse light from an object to be measured; a pulse light receiving time measurement circuit measuring a time when pulse light...
02/10/2009
7486402Optical image measuring apparatus
An optical image measuring apparatus including a light emitting portion outputting light having different wavelengths intensity-modulating the light periodically, a polarizing plate converting a light to linearly polarized light, a half mirror dividing the light int...
02/03/2009
D585903User interface for ophthalmic instrument
02/03/2009
7482974RTK-GPS survey system
The invention is directed to an RTK-GPS survey system. The survey system includes a server (9) in an IP-VPN communication network 10 for establishing communications between base stations (16 and 17) that transmit correction data and a rov...
01/27/2009
7465049Portable ophthalmic apparatus and ophthalmic system
A portable ophthalmic apparatus (1) according to the present invention comprises a supporting part (7) to which a cellular phone (2) having a photographing camera (5) is mounted detachably and a main body (6) which is provided with...
12/16/2008
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