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9019510 |
Control method and apparatus for positioning a stage
A plurality of laser positioning units are used to position an X-Y stage. In each laser positioning unit, a mirror constantly reflects laser beam to an optical position sensor, where the mirror is... |
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8982359 |
System for detecting motion, lithographic apparatus and device manufacturing method
A system for detecting motion of a body, the system comprising: a body; a first grating mounted substantially stationary relative to a frame of reference; a second grating mounted on the body; a... |
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8970852 |
Laser projector for chassis alignment
A laser projector for chassis alignment has a laser light source emitting a laser light beam, an optical element which generates a structured laser light pattern when it is irradiated by the laser... |
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8953176 |
Laser confocal sensor metrology system
The present invention provides apparatus for a non-contact method of obtaining accurate three-dimensional measurements of a dry contact lens, more specifically, using dry lens metrology to know... |
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8922788 |
Methods and systems for determining a probe-off condition in a medical device
A physiological monitoring system may determine a probe-off condition. A physiological sensor may be used to emit one or more wavelengths of light. A received light signal may be processed to... |
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8922789 |
Displacement measuring device and displacement measuring method
Displacement measuring device with light irradiation system, first and second FBGs and detecting system. The first FBG has first transmittance distribution or first reflectance distribution. The... |
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8902433 |
Device and methods for cartridge detection
The present disclosure relates to an accommodating device for a dispensing or infusion device, comprising: a displaceable element which is displaced within the accommodating device when a... |
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8887823 |
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... |
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8878903 |
Method and device for reconstruction of a three-dimensional image from two-dimensional images
The disclosure relates to a method for reconstruction of a three-dimensional image of an object. A first image is acquired of the object lit by a luminous flux having, in a region including the... |
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8860954 |
Physical property measurement device
A measurement device comprises a carrier 20 adapted to be supported, in use, at least partially within a tubular body, a laser metrology unit 28 including means mounted on the carrier 20 whereby a... |
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8823953 |
Optical position detection
Method and apparatus (1a) for optical detection of the position of large-area printed products (10). The apparatus (1a) has conveyance means (2a) for movement of the printed products (10) along a... |
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8817273 |
Dark field diffraction based overlay
A dark field diffraction based overlay metrology device illuminates an overlay target that has at least three pads for an axis, the three pads having different programmed offsets. The overlay... |
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8810802 |
Auxiliary device of a drilling machine and control method
A drilling apparatus and control method is disclosed. An auxiliary device can be connected to a drilling machine. The auxiliary device includes a camera aligned in a working direction for... |
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8797296 |
Method and device for adjusting brightness of an optical touch panel
A method and device are provided for adjusting brightness of an optical touch panel. The optical touch panel comprises a microprocessor, a display module including a back light source, and an... |
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8767219 |
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.... |
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8749798 |
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... |
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8742312 |
Optical detector suitable for use in light curtains
A planar detector for use in light curtains, which generates electric signals as a function of absorbed light and is provided with a plurality of tapping points for the generated signals. The... |
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8736905 |
Position calibration of a spot of an optical sensor
A method for position calibration of a spot of an optical sensor may include providing a position calibration patch on a sheet at a predetermined position, along a scan path of the spot across the... |
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8714749 |
Projection display device with position detection function
A projection display device having a projection device projecting an image on a surface, and a position detection function of detecting an object's position between the surface and the projection... |
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8711369 |
Laser receiver for detecting a relative position
The invention relates to a laser receiver for detecting a relative position of a defined zero point of said laser receiver with respect to a reference laser beam. Therefore, the laser receiver... |
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8706264 |
Time synchronized registration feedback
A method for use in a part tracking system including a camera and a motion controller, the method comprising the steps of time synchronizing the motion controller and the camera at a trigger time... |
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8699035 |
Inspection apparatus and inspection method for light emitting device
An inspection apparatus and an inspection method is provided having a wafer chuck stage equipped with one or more wafer chucks; a position measurement unit for measuring the positions of the light... |
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8681344 |
Devices and methods for position determination and surface measurement
In an embodiment a method for position determination of an object in a spatial area is provided in which the object is illuminated with at least one light beam. The light beam does not cover the... |
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8638449 |
Measuring device having multiple light emitting sources
A measuring device comprising a light source unit for projecting a pulsed distance measuring light, a projecting light optical system, a light receiving optical system for receiving a reflected... |
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8629989 |
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... |
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8629988 |
Laser beam image contrast enhancement
An apparatus and method for providing image contrast enhancement is disclosed. A mobile object is equipped with a laser source, polarization filter, and imaging apparatus. The reflection of the... |
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8625108 |
Protective optical metrology system for determining attitude and position
Described herein is a projective optical metrology system including: a light target equipped with a plurality of light sources having a pre-set spatial arrangement; an optoelectronic image sensor;... |
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8606426 |
Alignment and anti-drift mechanism
A system includes a displacement sensor, an actuator connected to the displacement sensor, and a feedback unit. The displacement sensor is configured to measure at least one of a relative position... |
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8605291 |
Image correlation displacement sensor
An image correlation displacement sensor is provided for measuring yaw rotation relative to a target surface using a simple configuration compatible with a fast measurement sample rate. The image... |
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8593649 |
Defect detector for corrugated cardboard flutes
A defect detector for corrugated cardboard flutes comprises an optical projector for projecting to traveling flutes an inspection light having an effective line of which the length is about one... |
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8587790 |
Optical position detecting device and apparatus provided with position detecting function
In a light source unit of an optical position detecting device, a plurality of light emitting devices are mounted on a band-shaped flexible substrate, and the plurality of light emitting devices... |
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8575581 |
Image reading apparatus
An apparatus includes: a body including a port into which a medium is insertable; a light source that is provided in the body and illuminates when an image is read for the medium that has been... |
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8562150 |
Optical axis adjustment device, method for adjusting optical axis and projection-type display apparatus
A projection type display apparatus in which an inclination and a positional deviation of optical axes among a plurality of light sources can be easily corrected to obtain a high quality... |
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8559020 |
Optoelectronic component and light sensor having same
The invention relates to an optoelectronic component for the positional determination of an incident light beam in a longitudinal axis direction, having flat sides, longitudinal sides and two... |
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8553235 |
High resolution and high sensitivity optically activated touch sensing device using multiple color light sources
A cursor maneuvering device comprises a cavity containing a plurality of colored lights and an image sensor and covered with a light mixing plate. The colored lights are located in the cavity in... |
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8537374 |
Coordinate measuring machine having an illuminated probe end and method of operation
A portable articulated arm coordinate measuring machine (AACMM) is provided. The AACMM includes a manually positionable articulated arm having opposed first and second ends. The arm includes a... |
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8537377 |
Absolute position encoder
In an absolute position encoder, a multi-spectral light source illuminates a position on a topographic surface at an angle of incidence determined from a vector normal to the surface. A target on,... |
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8526013 |
Batterless absolute encoder
A batteryless absolute encoder determines the accuracy of absolute position information to be output when electric power is turned on and outputs an alarm signal in the case of abnormality. The... |
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8510029 |
Waypoint splining for autonomous vehicle following
A method for defining a following path for a following vehicle to autonomously follow a leader, the method including acquiring waypoints associated with a path that the leader traverses; filtering... |
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RE44434 |
Optical position measuring system and method using a low coherence light source
An optical position measuring system (e.g., an interferometer) includes a superluminescent device (SLD) (e.g., a laser diode having at least one anti-reflective coated surface) and a detector. The... |
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8507886 |
Optical sensor system on a device for the treatment of liquids
Optical sensor system on a device for the treatment of liquids with at least one device for the projecting of light in the direction of an optical axis onto at least one illumination area in the... |
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8493573 |
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... |
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8462359 |
Position measuring device
A position measuring device includes a plurality of concave marks, a light source portion, a light receiving portion, and a concave portion measuring portion. The concave marks are formed on an... |
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8456650 |
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... |
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8446247 |
Safety system
A safety system for detecting the presence of an undesired object in a safety area may include a first pair of distance measuring sensors disposed on opposed sides of the conveying path, the pair... |
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8384912 |
Wide field of view optical tracking system
In an optical tracking system for determining the pose of a moving object in a reference coordinate system, the system including at least one light emitter, at least one optical detector for... |
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8347543 |
Laser system for measuring motion of a gas and for aiming an object
Measurement of the deviation of a laser beam from a straight line, where the laser beam is of a type which causes thermal blooming, is used to determine the integrated effect which wind will have... |
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8330956 |
Optical coupled-cavity photo-acoustic spectroscopy
Various embodiments provide devices and methods of an optical coupled-cavity photo-acoustic spectroscopy (CC-PAS). The exemplary CC-PAS can include three mirrors configured in parallel to couple a... |
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8324604 |
Fiber optic web edge sensor
A web edge sensor is disclosed. The web edge sensor has a light source directing light incident to an edge of a web. The edge of the web scatters the light and a sensor array that detects a first... |
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8314939 |
Reference sphere detecting device, reference sphere position detecting device, and three-dimensional-coordinate measuring device
A reference sphere detecting device used for a reference sphere position detecting device comprises an optical unit having a laser light source, a collective lens for collecting light from the... |