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8184277 Reflection optical sensor for determining the angular position of a rotating element  
The optical device for determining the angular position of a rotating element comprises: a concave mirror (13) integral to one rotating element (7); an electromagnetic radiation emitter (17); at...
8180505 Spacecraft solar cell monitoring system  
An onboard solar cell array current and voltage characteristic determination method is preferably used on small spacecraft and determines the solar cell orientation relative to the sun by a...
8164745 System and method for providing scanning polarized reference sources  
A method of determining an angular orientation of a sensor relative to a source including the steps of amplitude modulating at least two synchronized polarized Radio Frequency (RF) carrier signals...
8154735 Apparatus for measuring quasi-static error of rotation driving shaft  
In an apparatus for measuring a quasi-static error of a rotation driving shaft, a positional error and an angular error in each of X, Y, and Z axis directions during rotation of a driving shaft is...
8149383 Method for determining the systematic error in the measurement of positions of edges of structures on a substrate resulting from the substrate topology  
A method for determining the lateral correction as a function of the substrate topology and/or the geometry of the substrate holder is disclosed. The substrate is placed on a measuring stage...
8139230 Acquisition of topographies of objects having arbitrary geometries  
There is described a method for positioning an object on an optical sensor system for acquiring a surface thereof, the sensor system having a set of motors for rotating the object around a motor...
8138089 Method and apparatus for measurement and control of photomask to substrate alignment  
A method, structure, system of aligning a substrate to a photomask. The method comprising: directing light through a clear region of the photomask in a photolithography tool, through a lens of the...
8120764 Tilt sensor with power saving mechanism  
A tilt sensor with power-saving mechanism is provided. The tilt sensor includes a light-emitting element, a blocking object displaceable in an accommodating space on a baseboard, at least two first...
8104925 Method, apparatus, and system of aiming fixtures or devices  
An apparatus, method, and system of aiming devices such as antennas, free-space optical communication transmitters and lighting fixtures. One aspect of the invention mounts a substantially...
8091505 Secondary battery, method and device for testing the negative electrode, and method and device for producing negative electrode thereof  
In a method for testing a negative electrode of a secondary battery, light is irradiate to an active material layer formed on a current collector having a plurality of projections at least on one...
8094971 Method and system for automatically determining the orientation of a digital image  
A method of automatically determining orientation of a digital image comprises extracting features of the digital image and processing the extracted features using diverse classifiers to determine...
8086051 Method of decoding fetched scene on encoded dotmap and electronic device thereof  
By determining a center physical grid dot at intersects of virtual grid lines of a fetched scene on an encoded dotmap, and by defining a blank dot closest to the determined center physical grid dot...
8077301 Rotation and differential angle optical sensor with integral bearing races  
A sensor may simultaneously sense the angular position of a first rotatable member relative to a frame of reference and the angular position of a second rotatable member relative to the first...
8077327 Method for controlling a machine tool and apparatus therefor  
Relative movement in X, Y and Z axis directions is made between a main spindle and a table 6 for application in a machine tool in which a work is machined. An emitting element 12 for irradiating...
8077302 Rotation and differential angle optical sensor which does not require keyed installation  
A sensor may simultaneously sense the angular position of a first rotatable member relative to a frame of reference and the angular position of a second rotatable member relative to the first...
8064048 Particle-moving type orientation sensor  
A particle-moving type orientation sensor including a housing, at least one light emitter, two light receivers, and a plurality of particles. The housing has an accommodating space having four...
8059991 Belt-conveyance control device, image forming apparatus, belt-conveyance control method, and computer program product  
A control unit calculates a difference between a displacement of a belt detected by an encoder and a predetermined target value, calculates a pulse frequency of a driving pulse signal based on a...
8031334 Method for determining an influencing variable acting on the eccentricity in a goniometer  
The invention relates to a method for determining at least one influencing variable acting on the eccentricity in a goniometer, using a detector arrangement consisting of four optical detector...
8027813 Method and system for reconstructing aberrated image profiles through simulation  
A system and method of calculating estimated image profiles. The system and method includes providing lens characteristic data and performing simulation calculations for various levels of...
8022343 Aiming system with integrated deviation meter  
According to the invention, the system comprises an infrared detector (7) for alternately generating images (5′) of sources of light (5) in the near infrared emitted by a missile flying towards a t...
8009282 Attachment angle measuring device and attachment angle measuring method  
The present invention provides an attachment angle measuring device and an attachment angle measuring method which realize accurate measurement of attachment angle between an axle carrier and an...
8003412 Method and apparatus for measurement and control of photomask to substrate alignment  
A method, structure, system of aligning a substrate to a photomask. The method comprising: directing light through a clear region of the photomask in a photolithography tool, through a lens of the...
7990549 Method and apparatus for optically measuring periodic structures using orthogonal azimuthal sample orientation  
An optical metrology apparatus for measuring periodic structures using multiple incident azimuthal (phi) and polar (theta) incident angles is described. One embodiment provides the enhanced...
7978321 Angle measurements  
Methods and devices for angle determination, and retroreflecting foils are presented. A retroreflecting foil (1) is arranged at a surface, an angle of which is going to be determined. The...
7978320 Light angle detection device, method for fabrication thereof and electronic device employing same  
A light angle detection device according to an embodiment of the present invention includes a first light receiving lens, a first light sensing element, a second light receiving lens, and a second...
7964831 Remote control device for a target designator from an attack module, attack module and designator implementing such device  
The invention relates to a remote control device from an attack module flying over a target, module of the projectile or sub-projectile, missile or attack drone type, for a target designator...
7952698 Method and device for contact angle determination from radius of curvature of drop by optical distance measurement  
A drop on a sample surface in a gaseous environment has a curved surface with a symmetry axis and a defined volume. To determine the contact angle, an object is imaged based on the reflection...
7940380 Rotary position detector and associated methods  
A rotary position detector includes a housing having an inner space having a reflective element therewithin. A light source emits light rays upwardly. A base supports a light detector assembly...
7933006 Tilt inspection apparatus and method of inspecting tilt  
A tilt inspection apparatus which detects tilt of an object to be observed with respect to a placement surface on which the object is placed, including: a light source which irradiates light or...
7920254 Shaft cone crown measurement system and methodology  
Aspects include metrology methods and systems for determining characteristics of conical shaft portions, such as angle of taper and crown height. In an example, a metrology system includes a...
7873241 Method for superimposing optical information in a scanning microscope  
A method for superimposing optical information in a scanning microscope includes determining a transformation matrix, and superimposing first optical information of a CCD image and second optical...
7872739 Rudder angle detecting device of steering gear  
The inner cylindrical body is mounted on the top surface of the rudder-stock; the outer cylindrical body is put on the inner cylindrical body exteriorly; the gudgeon pin provided on the top reverse...
7865328 Position detecting method and apparatus  
A position detecting method includes the steps of forming an image of a mark on a sensor, performing a first process that processes a raw signal obtained from the sensor with plural parameters,...
7860269 Auxilliary navigation system for use in urban areas  
The invention is a method for the extraction, identification and comparison of skylines from imagery data specifically, for the purpose of accurately locating the position of a mobile platform for...
7847925 System and method of acoustic doppler beamforming  
A system and method for forming acoustic beams is disclosed. One embodiment is an acoustic system configured to generate a plurality of beams non-orthogonal to a transducer array simultaneously...
7830500 Optoelectric angle-measuring device  
An optoelectric angle-measuring device has a code carrier having a position code which can be detected optically as well as a scanning device in the form of a light-sensitive row or area for...
7826070 Scanning optical system adjusting device and scanning optical system adjusting method  
As a light beam of a scanning optical system unit is adjusted in the state where the scanning optical system unit is assembled, its adjustment work and the assembly work of the scanning optical...
7817259 Measurement of test object with stacked features  
An apparatus and associated method for measuring spatial characteristics of a test object with stacked features. First and second measurement assemblies for measuring opposing first and second...
7813837 Robot control system  
A robot control system for controlling a position and an attitude of a robot head is provided with an operating head held by an operator and a sensor for detecting a position and an attitude of the...
7812940 Angular position sensor for relative attitude sensing  
A disclosed sensor includes a light emitter configured to transmit an emitted light beam having a range of wavelengths toward a reflecting element that is configured to produce a reflected light...
7793423 Piping alignment tool  
A piping alignment tool suitable for locating where an extension of an existing pipe must pass through obstructions such as walls. The tool has a tubular shape with oppositely disposed ends. Each...
7701564 System and method for angular measurement  
Embodiments of the present invention include a method for measuring an angle between a first surface and a second surface of an object. The method includes rotating an object around a center axis...
7702126 Vehicle lift measurement system  
A method and apparatus for utilizing a machine vision vehicle wheel alignment system to measure an orientation of one or more vehicle supporting surfaces of a vehicle lift system, and to measure...
7688432 Rotary position detector and associated methods  
A rotary position detector includes a housing and a light source positioned to emit light rays onto a light detector assembly having a first number of toroidal-sector-shaped light sensors, which...
7684028 Remote sensing digital angle gauge  
A remote sensing angle gauge includes a sensor responding to physical stimulus and transmitting a resulting impulse for measuring an angle, and a user interface separate and remote from said sensor...
7672044 Lens made of a crystalline material  
As a preliminary stage in manufacturing a lens or lens part for an objective, in particular a projection objective for a microlithography projection system, an optical blank is made from a crystal...
7667833 Alignment method for parabolic trough solar concentrators  
A Theoretical Overlay Photographic (TOP) alignment method uses the overlay of a theoretical projected image of a perfectly aligned concentrator on a photographic image of the concentrator to align...
7649620 Method and system for synchronising angles  
A method and a system for synchronising angles of at least two displaceable working means (2, 2′) at a predetermined point of action (4) is disclosed. The working means are, in particular, a r...
7636170 Static/dynamic multi-function measuring device for linear unit  
A static/dynamic multi-function measuring device for linear unit, includes a foundation, a multi-direction sliding unit having eddy current detector, a linear motor, a linear unit with a sensing...
7616326 Proximity-leveraging, transverse displacement sensor apparatus and method  
A system for determining the longitudinal position of a displaceable element positioned between two substantially orthogonally laterally opposing displacement sensors measures a distance from each...