Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8179522 | Distance 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 |
| 8177362 | Optical 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 |
| 8144311 | Laser 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 |
| 8130368 | Distance 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 |
| 8098278 | Optical 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 |
| 8096658 | Fundus 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 |
| 8044335 | Level 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 |
| 8042280 | Lens 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 |
| 8023178 | Line-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 |
| 8009297 | 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 (2) and converted into broad band light by an optical filt... | 08/30/2011 |
| 8009286 | 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 output from the first light intensity detecting section in irradiating the optical flux having a... | 08/30/2011 |
| 8004693 | Lens 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 |
| 8003963 | 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 reflecti... | 08/23/2011 |
| 7990610 | Stereomicroscope 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 |
| 7982949 | Operation 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 |
| 7982171 | Detection 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 |
| 7959288 | Ophthalmologic 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 |
| 7945821 | Time 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 |
| 7533990 | Ophthalmologic 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 |
| 7489390 | Pulse 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 |
| 7486402 | Optical 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 |
| D585903 | User interface for ophthalmic instrument | 02/03/2009 |
| 7482974 | RTK-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 |
| 7465049 | Portable 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 |
| D582556 | Fundus camera | 12/09/2008 |
| 7460065 | RTK-GPS surveying system An RTK-GPS surveying system for surveying an object includes at least one satellite positioning device as a base station configured to send correction data, a plurality of satellite positioning devices as rover stations configured to receive the correction data, and... | 12/02/2008 |
| 7458686 | Optometry apparatus Provided is an optometry apparatus capable of checking details of input operation performed by a person to be examined to smoothly perform an examination. The optometry apparatus includes: an optical head portion having a liquid crystal display device for indicating... | 12/02/2008 |
| 7458684 | Fundus observation device Highly reliable technology is provided with the capable of forming three-dimensional images of fundus oculi. The image forming part 220 of a computational control unit 200 forms images of the surface of fundus oculi Ef based on results of detecting fun... | 12/02/2008 |
| 7454842 | Laser surveying apparatus A laser surveying apparatus includes: a laser light source configured to emit a laser light flux; a laser projector supported tiltably and configured to rotatably irradiate the laser light flux emitted from the laser light source; a mechanism tiltably supporting the... | 11/25/2008 |
| 7443579 | Ophthalmic microscope An ophthalmic microscope including an objective lens placed in face of an inspecting eye; a light source for radiating an illumination light, an illumination optics for directing the illumination light to the inspecting eye via the objective lens, an observation opt... | 10/28/2008 |
| 7410257 | Slit lamp microscope Disclosed is a slit lamp microscope capable of forming a slit superior in terms of parallelism. The slit lamp microscope includes casings (100L and 100R) to the bottoms surfaces of which slit blades (107L) and (107R) are fixed and which a... | 08/12/2008 |
| 7407432 | Lens suction jig installing apparatus and method of determining lens position using apparatus thereof The lens suction jig installing apparatus of the present invention comprises a position adjustable pedestal for holding a spectacle lens where a plurality of indices are formed that are provided with a predetermined space on a surface; a position adjusting device fo... | 08/05/2008 |
| 7408705 | Microscope for operation A microscope for operation having an illuminating optical system with an illuminating field diaphragm, for directing an illuminating light toward an eye to be operated upon, an objective body tube with an objective positioned in the body tube to be opposite to the e... | 08/05/2008 |
| 7407289 | Optometry apparatus The optometry apparatus includes an index projecting optical system for projecting an index for cross cylinder test to an eye for shortening examination time, a variable cross cylinder lens disposed on an optical axis of the index projecting optical system, for form... | 08/05/2008 |
| 7393103 | Operation microscope apparatus Provided is an operation microscope apparatus for easily and speedily obtaining a suitable separation state between illumination light and observation light in a case where a front lens is replaced by another one. An illumination optical system includes a slit plate... | 07/01/2008 |
| 7394532 | Surface inspection method and apparatus A method and an apparatus of inspecting the surface of a wafer, where two or more kinds of laser are switched or mixed to make the laser incident on the film-coated wafer by a same incident angle, in which inspection data regarding an inspection apparatus and film p... | 07/01/2008 |
| 7388660 | Light amount measurement device and light amount measurement method A device for measuring the intensity of incoming light is disclosed. This device includes a rotatable light blocking unit which interrupts incident signal light at short regular intervals. The device also includes a light source which emits certain light different f... | 06/17/2008 |
| 7385685 | Position detecting device and inclination sensor device of surveying apparatus using the same A position detecting device includes: a liquid having a free surface; a light source configured to irradiate a light flux toward the free surface of the liquid; a dark field pattern provided between the liquid and the light source and configured to form a pattern of... | 06/10/2008 |
| 7377642 | Fundus camera A fundus camera which includes an illumination optical system for projecting an illumination light to a fundus of a subject's eye: a photographing device for photographing the fundus; and light-receiving optical systems, which include a focus lens disposed in a ligh... | 05/27/2008 |
| 7379176 | 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 th... | 05/27/2008 |
