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Match Document Document Title
US20110243730 SYSTEMS AND METHODS FOR DETERMINING DEFLECTION OF A WIND TURBINE SHAFT  
A system and a method for measuring deflection of a shaft in a wind turbine and adjusting a pitch angle of a rotor blade in the wind turbine based on the determined deflection are described. The...
US20100033734 Vehicle frame deformation measurement apparatus and method  
An apparatus and method are provided for indicating deformation of a vehicle body when the vehicle body has reference points and a normal position thereof. The apparatus and method comprising the...
US20090135437 AUTOFOCUS SYSTEM WITH ERROR COMPENSATION  
An autofocus system (222C) for measuring the position of a work piece (200) along an axis includes a slit light source assembly (236), a slit detector assembly (238), and a control system (224)....
US20070263230 Medical equipment  
Medical equipment is provided. The medical equipment may be a radiotherapy system. The medical equipment employs an optical coordinate display system, which includes at least one radiation source...
US20120229818 HIGH-RESOLUTION OPTICAL POSITION SENSING WITH SPARSE, LOW-RESOLUTION DETECTORS  
High-resolution optical position sensing is disclosed using sparse, low-resolution detectors. Precise location of two-dimensional position or angular orientation of an optical beam at the focal...
US20070052950 Navigation system using both GPS and laser reference  
A machine control system uses a laser system and global navigation satellite system to determine the position of the machine. The laser system has a laser detector positioned in a known and fixed...
US20060215179 Laser calibration apparatus  
Apparatus for measuring deviation of a trajectory from a straight line in the movement of a first body with respect to a second body comprising a transmitter unit mounted on one of the bodies and...
US20090027694 COORDINATE DETECTION APPARATUS AND METHOD, AND COMPUTER PROGRAM  
A coordinate detection apparatus has a light projecting unit and light receiving unit, detects abnormal light based on the output from the light receiving unit in a state in which the light...
US20090195792 Optical position measuring arrangement  
An optical position measuring arrangement for the generation of n>1 phase-shifted incremental signals characterizing relative positions of two objects which are movable with respect to each other...
US20080013106 OPTICAL POSITION TRANSDUCER SYSTEMS AND METHODS EMPLOYING REFLECTED ILLUMINATION FOR LIMITED ROTATION MOTOR SYSTEMS  
A position transducer system is disclosed for a limited rotation motor that includes an illumination source that directs illumination toward an illumination reflector that rotates with a rotor of...
US20110213528 SUPPORT MOUNT FOR LASER-GUIDED ICE RESURFACING MACHINE  
A support mount for a receiver in an ice resurfacing machine, an ice resurfacing machine, a system for making an ice surface level with a desired horizontal plane and its kits of each of them. A...
US20080225304 Optical scanning unit and image forming apparatus using same  
An optical scanning unit includes first and second light beam generators, a deflector, a beam detector, and an optical element. The first and second light beam generators respectively emit a first...
US20110001987 Variable Color Incoherent Alignment Line and Cross-Hair Generator  
An alignment device includes an incoherent light source, a first convex lens, a mirror rod, and a second convex lens. The incoherent light source emits incoherent light that is received by the...
US20070296950 Optical device and mobile apparatus  
An optical device ensuring projection of light over a wide range as well as reduction in size, and a mobile apparatus mounted with the optical device are provided. The optical device (100)...
US20080231867 Mechanism for positioning device  
The present invention relates to a positioning device, and in particular to a mechanism using an image detecting module. The present invention comprises a base having an image detecting module, a...
US20070177133 Position indicating and guidance system and method thereof  
The present invention provides operators the ability to follow a predetermined path and achieve desired digging depth by watching steering and elevation indicators of just one system. The...
US20070260419 Image Plane Measurement Method, Exposure Method, Device Manufacturing Method, and Exposure Apparatus  
A main controller moves a reticle stage in a scanning direction, illuminates an area on a reticle including a mark area in which predetermined marks are formed with illumination light, forms an...
US20080094642 Alignment Condition Determination Method and Apparatus of the Same, and Exposure Method and Apparatus of the Same  
To reduce a superimpose error after exposure without using a plenty of time or cost. [MEANS FOR SOLVING PROBLEMS] An alignment condition decision device includes: an acquisition unit (610) for...
US20090116039 PLANE POSITION DETECTING APPARATUS, EXPOSURE APPARATUS AND DEVICE MANUFACTURING METHOD  
A surface position detecting apparatus is arranged to be able to detect a surface position of a detection target surface with high accuracy, while restraining influence of a relative positional...
US20100103431 Determining Positions  
The position of a movable element such as the end of a robot arm (10) which has several degrees of freedom, being mounted on a base (11) and including a wrist mechanism, is determined by...
US20120262732 METHODS AND SYSTEMS FOR MEASURING OPENINGS USING PHOTOGRAMMETRY  
Method and system for measuring an opening at least partially defined by a surface. A plurality of target bodies are positioned about a circumference of a target body holder that is sized to fit...
US20100245849 OPTICAL SENSOR OPERATING ON THE TRANSIT TIME PRINCIPLE  
The present invention relates to an optical sensor based on the transit time principle, comprising a light source for the emission of emergent light pulses into an observed region, comprising a...
US20120287443 SENSING METHOD AND DEVICE  
A sensing method and device for sensing the position of an object are provided. The sensing device comprises a light source for generating a plane light, and a sensor unit disposed at one side of...
US20100171955 DISPLACEMENT SENSOR  
This invention provides a displacement measurement device, a displacement measurement method, and a thickness measurement device capable of easily ensuring a conjugate relationship between the...
US20110026041 Position measuring arrangement  
A position measuring arrangement that includes a retroreflector, a light source generating a lightbeam and a scanning unit that receives the lightbeam and generates a partially-divergent...
US20100200767 OPTICAL APPARATUS FOR PLASMA  
An optical apparatus for plasma includes a light collection lens provided to receive optical emission spectrum from plasma, a first aperture stop disposed between the light collection lens and the...
US20070103700 Moving device  
An accurate moving device (100) for use in precision machinery includes a moving member (10), a light emitter (20), a light receiver (30) and a driving element (40). The light emitter is disposed...
US20120218563 DEVICES AND METHODS FOR POSITION DETERMINATION AND SURFACE MEASUREMENT  
In an embodiment a method for position determination of an object (25) in a spatial area (28) is provided in which the object (25) is illuminated with at least one light beam (22, 27). The light...
US20110181865 DISPLACEMENT MEASURING APPARATUS AND VELOCITY MEASURING APPARATUS WHICH MEASURE DISPLACEMENT AMOUNT OF MOVING OBJECT  
A displacement measuring apparatus 100 which measures a displacement amount of a moving object 102 includes a light source that irradiates the moving object 102 using luminous flux emitted from a...
US20100220289 Optical Alignment Apparatus and Method Therefor  
An optical measurement apparatus comprises an optical system (100). The optical system (100) comprises a source (102) and an image capture device (112). The source (102) is arranged to generate,...
US20100149553 Method and Apparatus for Determining Sheet Position During Production and Handling  
A method for determining a position of a selected area of a sheet of material relative to a reference plane includes launching a first incident light beam at the selected area of the sheet of...
US20100141966 Cortesian coordinate measurement for rotating system  
In a measurement device for measuring a peripheral position in a Cartesian coordinate system, a rotating laser source is configured to emit a laser beam along a radius of a rotator. A reflector is...
US20100134779 POSITION MEASUREMENT METHOD, POSITION CONTROL METHOD, MEASUREMENT METHOD, LOADING METHOD, EXPOSURE METHOD AND EXPOSURE APPARATUS, AND DEVICE MANUFACTURING METHOD  
A part of a plate of a predetermined shape detachably mounted on a moving body is detected by an alignment system while the position of the moving body is measured by a measurement unit that sets...
US20160335492 OPTICAL APPARATUS AND LIGHTING DEVICE THEREOF  
An optical apparatus includes a lighting device and a sensing unit. The lighting device projects a first structured light and a second structured light on an under-test object. Consequently, at...
US20160311648 ARRANGEMENT AND A METHOD FOR MEASURING THE POSITION OF AN INSTALLATION PLATFORM IN AN ELEVATOR SHAFT  
The arrangement comprises an installation platform movable upwards and downwards in the elevator shaft, at least one light source arranged at a predetermined position in the elevator shaft below...
US20160305763 Sensor  
A sensor comprising a light component in support of a light source operable to direct a beam of light onto an imaging device having an image sensor, such as a CCD or CMOS or N-type...
US20160298954 POSITION SENSING DEVICE AND POSITION SENSING METHOD  
A position sensing device includes at least one light receiver, and a processor. The light receiver receives lights that are emitted from a plurality of light exit positions of a scanning light...
US20160127664 DETECTOR FOR OPTICALLY DETECTING AT LEAST ONE OBJECT  
A detector (110) for determining a position of at least one object (118) is disclosed. The detector (110) comprises: at least one optical sensor (112), the optical sensor (112) being adapted to...
US20160076877 POSITION MEASURING DEVICE  
A position measuring device of the invention includes a light emitter configured to emit a laser light, a hologram configured to generate a reconstructed image of an inclined surface relative to...
US20160003608 METHOD FOR DETERMINING THE ALIGNMENT OF A LASER LIGHT BEAM REFERRED TO AN AXIS OF ROTATION OF A DEVICE THAT IS ROTATABLE AROUND THE AXIS OF ROTATION AND LASER LIGHT DETECTION DEVICE  
The invention relates to a method for determining the alignment of a laser light beam (10) referred to an axis of rotation (12) of a device (14) that is rotatable around the axis of rotation (12),...
US20150338812 END POSITION DETECTION DEVICE, IMAGE FORMING APPARATUS, END POSITION DETECTION METHOD AND STORAGE MEDIUM  
An end position detection device includes a light emission unit including plural light sources for plural colors, respectively, each of the light sources being configured to emit line-like light...
US20140211216 Projector and Projector System  
A projector includes a projection portion including a laser beam generation portion and a scanning portion scanning a laser beam, projecting an image, a light detection sensor provided separately...
US20140022543 DEVICE FOR DETERMINING THE POSITION OF MECHANICAL ELEMENTS  
A device for determining the position of a first mechanical element relative to a second mechanical element, having a first measurement unit for attachment to the first mechanical element, a...
US20120206735 WIDEBAND OPTICAL POSITION SENSOR WITH NORMALIZATION  
A novel electro-optical sensor for the wideband and normalized translation of the two-dimensional position of a light beam transverse to its traveling direction into electrical position signals....
US20120012350 Surveying System And Laser Reference Plane Smoothing Method In Surveying System  
A surveying system comprises a plurality of rotary laser devices (1a, 1b), being installed at known points, for projecting laser beams (3a, 3b) in rotary irradiation and for forming laser...
US20120002217 COORDINATE INPUT APPARATUS, LIGHT RECEIVING APPARATUS OF THE COORDINATE INPUT APPARATUS, AND MANUFACTURING METHOD OF THE SAME  
A light receiving unit of a coordinate input apparatus includes a light receiving element, a light receiving lens, an adjusting unit for adjusting the positional relationship between the light...
US20110249275 OPTICAL GRID FOR HIGH PRECISION AND HIGH RESOLUTION METHOD OF WAFER-SCALE NANOFABRICATION  
A wafer-scale nano-metrology system (10) for sensing position of a nanofabrication element (16) when illuminated by a patterned optical projection defining a grid or position measuring gauge...
US20110149301 Beam position measuring apparatus and method  
A beam position measuring apparatus and method using a beam expansion device may expand areas of beams irradiated onto a beam detection sensor. The beam expansion device is configured to expand...
US20110007327 LASER-BASED COORDINATE MEASURING DEVICE AND LASER-BASED METHOD FOR MEASURING COORDINATES  
A laser based coordinate measuring device measures a position of a remote target. The laser based coordinate measuring device includes a stationary portion, a rotatable portion, and at least a...
US20110001958 LASER-BASED COORDINATE MEASURING DEVICE AND LASER-BASED METHOD FOR MEASURING COORDINATES  
A laser based coordinate measuring device measures a position of a remote target. The laser based coordinate measuring device includes a stationary portion, a rotatable portion, and at least a...

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