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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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