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RE44150 Self-compensating laser tracker  
A self-compensating laser tracker may include a frame assembly including a laser, and at least two-embedded, non-moveable, reflecting members; and a rotatable mirror. The laser and the mirror are...
8400644 Means and method for measuring an elevator hoistway  
A device and a method for measuring an elevator hoistway, includes at least one or more laser aligners and a measuring element. The measuring element is provided with an essentially long handle for...
8285512 Method and system for measuring angles based on 360 degree images  
A surveying apparatus includes a support structure and a reflective surface mechanically coupled to the support structure. The reflective surface is configured to receive panoramic data over a...
8186069 Multi-beam laser optical alignment method and system  
A laser collimator for collimating optical elements of a viewing device, such as a telescope. The laser collimator includes three or more lasers positioned on a plane in front of the optical...
8134697 Inspection apparatus for inspecting patterns of substrate  
A degradation in throughput is prevented even in cases where it is necessary to reduce a pixel size during inspection according to a finer circuit pattern. In an inspection method and an inspection...
8035169 Semiconductor device with suppressed crystal defects in active areas  
A technique that makes it possible to suppress a crystal defect produced in an active area and thereby reduce the fraction defective of semiconductor devices is provided. A first embodiment relates...
7991575 Method and system for measuring angles based on 360 degree images  
A system for measuring angles includes a housing and an imaging device disposed in the housing. The system also includes a first optical element disposed in the housing and configured to receive...
7980703 Projector  
A projector is provided which includes a distance measuring unit which can accurately measure distances to a plurality of points on a surface of a screen using light rays. The projector of the...
7852655 Semiconductor memory device  
Disclosed is a semiconductor memory device capable of realizing reduction in an SRAM unit cell area. Using as a standard configuration a parallel-type SRAM unit cell having each pair of load...
7848662 Delay interferometer and demodulator  
A delay interferometer and a demodulator including the delay interferometer and a balanced photodetector are provided. A half mirror splits an optical signal into first and second split beams of...
7697127 Method and system for angle measurement  
An angle measurement device includes a light source configured to emit light along an optical path and a patterned member positioned along the optical path and configured to rotate about an axis of...
7511805 Holographic test plate for positioning and aligning pipes  
A target plate (Z) according to the invention for positioning components, in particular pipes (R1, R2), has a holographic optical element as a holographic diffusor. By means of the diffusor,...
7466401 Self-compensating laser tracker  
An apparatus and method for compensating a coordinate measurement machine is provided, which may be a laser-based coordinate measurement machine, laser tracker, or other coordinate measurement...
7298468 Method and measuring device for contactless measurement of angles or angle changes on objects  
The invention relates to a method for the contactless measurement of angles or angle modifications, distances or lateral displacements in objects. According to said method, an aperture is...
7221442 Method and apparatus for aligning equipment in a steel mill  
An alignment device for aligning guiding apparatus with the main axis of a rolling mill comprising a camera and a video display communicating with the camera. The camera is mounted in the steel...
7177018 Multiplex illuminator and device reader for microcantilever array  
A device reader having a multiplex illuminator, the illuminator, and methods for reading deflection of a large number of microcantilevers are provided. The illuminator includes a micro-optical...
7164474 Apparatus and method for normalization of a drilling tool to a work surface  
The apparatus for normalization of a drilling tool to a work surface includes a light source, a beam splitter, and a screen. The beam splitter directs and the screen receives at least a portion of...
7119895 Method of and apparatus for adjusting optical component, and optical unit  
An apparatus for adjusting an optical component has a reference beam unit for emitting a reference laser beam L whose optical axis has established, and an optical axis unit detecting the optical...
7099001 Auto-collimator  
For detection of the inclination of the normal of a measurement-subject article, an auto-collimator applies a laser beam from a light source onto the measurement-subject article. Then, the return...
7042555 Portable pipe tally system  
A portable laser system includes a laser unit and a target unit for measuring the length of a series of pipe assemblies. Either the laser unit or the target unit engages a threaded coupling at one...
6925218 Control techniques and devices for an optical switch array  
Techniques and systems for controlling an optical switch array based on local and global optical monitoring and feedback controls. Each optical switch element includes a local optical monitoring...
6768553 Continuous-zoom imaging device of interferometer  
The present invention provides a continuous-zoom imaging device of an interferometer. Reflected lights of a reference plane and a test plane interfere with each other to generate an interference...
6668118 Cylindrical lens alignment method  
A method for aligning an optical assembly, including the steps of emitting at least one beam from an emitter substantially along a first axis, disposing a cylindrical lens in said at least one beam...
6665064 Electrooptical measurement device for ascertaining the relative position of bodies or of surface areas of these bodies  
To detect the relative position of bodies, surfaces or the like, especially those on machines, there is an optoelectronic sensor. The latter reacts to incident light, for example, monochromatic...
6628405 Optical angle finder and coaxial alignment device  
A method and an instrument are provided for checking and adjusting the accuracy of an alignment device which transmits a collimated (e.g. laser) light beam that serves as an alignment reference....
6404485 Rotation amount detecting system of deflection mirror for optical disc drive  
Disclosed is a rotation amount detecting system for detecting a rotation amount of a deflection mirror, which is rotatable about an rotation axis, employed in an optical disc drive. The rotation...
5861946 System for performing contact angle measurements of a substrate  
A system is provided for positioning a substrate having a surface required to be characterized with a contact angle measurement. The system includes a stage which supports the substrate and a...
5694202 Universal boresight tool for small arms weapons  
Boresighting apparatus that includes a multispectral reflective collimator combined with an adjustable rhomboid reflector that allows boresighting of any wavelength sighting, pointing, aiming or...
5534689 Device to check the setting of the position and orientation of a helmet with respect to the helmet wearer's head  
An instrument system to make settings and verify that the pupil of an eye of a wearer of a helmet designed to receive a piece of optoelectronic equipment itself having a pupil truly coincides with...
5497228 Laser bevel meter  
In a Laser Bevel Meter for measuring the angle of a bevel on a ski edge a laser beam reflects from a mirror mounted on a magnet. The mirror-magnet assembly is coupled to the ski edge and the...
5436721 Wafer tilt gauge  
A wafer tilt gauge includes a base support, structure for temporarily connecting a slotted apparatus for holding wafers to the base support, a light beam target connected to the base support, and a...
5424830 Method and apparatus for determining the facet angles of a gemstone  
A method and apparatus for determining the facet angles of a gemstone includes structure for rotatably mounting a gemstone along the optical axis of the gemstone. A collimated beam of light is...
5392111 Method of measuring and adjusting optical axis of headlight  
An optical axis of a headlight is measured by disposing a lattice member in front of the headlight. The lattice member has a plurality of longitudinally elongated lattice holes which are arranged...
5367372 Method of and apparatus for measuring the geometric characteristics of nominally cylindrical guiding structures  
The method and the device are intended to measure the geometrical characteristics of components of optical communication systems comprising a body (1) with nominally cylindrical external surface...
5298966 Measurement system  
A contact-free, optical measurement system for determining the precision with which an article rotates. A reflective surface is secured to a rotating surface and a light source, such as a laser, is...
5276497 Measuring apparatus of mirror surface  
An apparatus for measuring the deviation from a specific position of a mirror surface, includes an auto collimating system in which a point light source is located at a reference point on a...
5206706 Alignment of an ellipsometer or other optical instrument using a diffraction grating  
Alignment method and procedure for accurately determining the off-normal angle of incidence of an optical beam with a sample, for example, in ellipsometry. A diffraction grating is fabricated with...
5170220 Method of regulating optical axes of headlights for automotive vehicle  
In a method of regulating optical axes of headlights for an automotive vehicle so that a light intensity boundary of low beam of headlights lies within a predetermined range displayed on a monitor...
5080483 All-reflective boresight transfer optical system  
The present optical system provides an all-reflective boresight transfer system. A reflective mechanism receives and reflects energy from an incoming collimated beam to focus it upon a target...
5080484 Method of measuring the contact angle of wetting liquid on a solid surface  
The invention relates to a method of measuring the contact angle of wetting liquids on a solid surface with which a high measuring accuracy and better reproduceability of the measurement results is...
5042945 Lithographic mask structure and device for positioning the same  
A mask structure and a mask positioning device, executes accurate and quick positioning of a mask having a generally ring-like shape. The mask structure includes a supporting frame of a generally...
5029397 Method of measuring a vehicular frame to determine alignment  
A method of measuring a vehicular frame to determine alignment, where measurements provided in the manufacturer's specifications are known. The method consists of the following steps. Firstly,...
RE33460 Endface assessment  
Features of the endface of a dielectric member are assessed by means of a reflected diffraction pattern.A plurality of light beams 6, 7 which intersect in a region containing the endface 8 can be...
4850668 Gyroptic visual couplers  
A system for aligning an optical fiber termination to a light path is disclosed. Light coming through the fiber at its termination as well as light introduced into the light path from a laser are...
4844609 Apparatus and method for aligning elements of a drive train of a vehicle, especially a heavy-duty, load-carrying vehicle  
The disclosure is of apparatus and method for detecting and correcting malalignment in the drive train of a vehicle, especially a heavy-duty, load-carrying vehicle, which drive train comprises a...
4840445 System for locating an object in space  
A system for locating an object in latitude and longitude is disclosed. A rotating and oscillating mirror makes a laser beam deflect. A sensor fixed to the object indicates the locating instant. A...
4840490 Laser position measurement and alignment  
A laser beam (22) is used as a spacial reference and its position is measured relative to a target device (200A, 200B, 200C) mounted on a structure (210) being monitored (FIG. 6). The target device...
4836671 Locating device  
A device determines the location of a point, line, or plane in space with respect to an object along an axis of projection from the object. The device includes a beam generator coupled to the...
4764010 Method for aligning the axis of a second bracket relative to the axis of a first bracket on a testing or processing machine  
On a testing or processing machine the axis of a second bracket is to be ctly aligned relative to the axis of a first bracket. For this purpose a laser is mounted on the first bracket which directs...
4730926 Accu-right mirror alignment system  
A method, and a device for practicing the method, for marking the configuration of a vehicle-mounted mirror which has initially been set to a desired perspective, thus enabling a single, unaided...
Matches 1 - 50 out of 116 1 2 3 >