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Class 356/138 - ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT


Subclass of Class 356 - Optics: measuring and testing
Definition: Subject matter including means to measure an angle by determining
No. of patents: 515
Last issue date: 05/22/2012


1                      
NumberTitleIssue Date
8184277Reflection 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 least one electro-optical detector (19R,
05/22/2012
8164745System 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 with a predetermined relationship between their amplitude modulation ...
04/24/2012
8077301Rotation 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 rotatable member. The sensor may include a first and a second disk, each o...
12/13/2011
8077302Rotation 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 rotatable member up to a maximum displacement angle. The sensor may includ...
12/13/2011
8064048Particle-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 zones, which are circularly arranged. A first opening is formed on the ho...
11/22/2011
8031334Method 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 elements, and a rotational body comprising a plurality of pattern element...
10/04/2011
8009282Attachment 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 absorber. An attachment angle measuring device measures an attachment a...
08/30/2011
7978320Light 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 light sensing element. The first and second light receiving lenses an...
07/12/2011
7978321Angle 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 retroreflecting foil has a lens surface with a plurality of spherical m...
07/12/2011
7952698Method 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 property of the surface of the drop, the position of the object with respe...
05/31/2011
7940380Rotary 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 having a first number of toroidal-sector-shaped light sensors disposed in...
05/10/2011
7933006Tilt 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 projects an image onto the object to be observed; a light shield plate w...
04/26/2011
7920254Shaft 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 fixture for supporting a workpiece. The fixture provides for translation in...
04/05/2011
7872739Rudder 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 surface of the outer cylindrical body is inserted into the gudgeon p...
01/18/2011
7847925System 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 with a vertical acoustic beam orthogonal to the array. The acoustic syst...
12/07/2010
7830500Optoelectric 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 detecting the position code and generating a position-dependent scanning si...
11/09/2010
7817259Measurement 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 planar features, respectively, of a test object, by directing light beams...
10/19/2010
7812940Angular 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 beam having a particular wavelength that is a function of an angle of i...
10/12/2010
7701564System 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 of the object and shining a light source perpendicular to the center a...
04/20/2010
7688432Rotary 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 are disposed in “A,B” pairs about a motor shaft axis so that each ...
03/30/2010
7675612Laser measuring device
A laser measuring device (50) including a housing (56) with a laser device present therein for generating and projecting at least one laser beam (52, 54), perpendicular to an alignment surface (34) of the housing, or to a mount (14...
03/09/2010
7667833Alignment 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 the mirror facets of a parabolic trough solar concentrator. The align...
02/23/2010
7649620Method 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 robot-controlled tool or a robot-controlled radiation emitt...
01/19/2010
7576847Camera based six degree-of-freedom target measuring and target tracking device with rotatable mirror
An embodiment may comprise a camera based target coordinate measuring system or apparatus for use in measuring the position of objects in manner that preserves a high level of accuracy. This high level of measurement accuracy is usually only associated with more exp...
08/18/2009
7535558Method for optical chassis measurement
The invention relates to a method for optically measuring a chassis at a testing station. According to said method, radiation that is reflected by a surface structure of a vehicle, comprising at least one wheel (5) and a surrounding bodywork section, is detec...
05/19/2009
7502100Three-dimensional position measurement method and apparatus used for three-dimensional position measurement
In three-dimensional measurement where circular polarized light or elliptical polarized light is projected as measurement light, correct measurement results can be obtained irrespective of the difference in intensity between primary reflected light and secondary ref...
03/10/2009
7480035Glare-directed imaging
Imaging that uses glare to confirm proper measurement of a sample. An imaging device illuminates an object and generates glare (i.e., specular reflection, diffuse reflection or a combination of the two) off the object's surface, which is displayed on a display as a ...
01/20/2009
7471380Rubbing angle-measuring equipment, and manufacturing methods of liquid crystal display device and optical film
A rubbing angle measuring equipment of the invention includes an light source unit, a measuring optical system, an imaging means, and an image evaluation means in which the measuring optical system is adapted such that a light from the light source unit passes by wa...
12/30/2008
7412113Captured image projection apparatus and captured image correction method
A calligraphy/drawing camera image-captures a document and sends a resultant captured image to a personal computer (S101). The personal computer applies various image processes such as correction of various deformations including a trapezoidal deformation bas...
08/12/2008
7405414Method and apparatus for patterning a workpiece
The present invention relates to a method for creating a pattern on a workpiece sensitive to electromagnetic radiation. Electromagnetic radiation is emitted onto a computer controlled reticle having a multitude of modulating elements (pixels). The pixels are arrange...
07/29/2008
7392678Bending machine
A bending machine has an upper table and a lower table. An input part is provided for inputting product information. A bending order determiner is provided for determining a bending order of the workpiece. A mold determiner is provided for determining the mold neces...
07/01/2008
7388658Inclination detection methods and apparatus
Apparatus and methods for detecting inclination employ a point source of light from which light is emitted through a lens toward a reflective surface of a liquid contained in a vessel. Light reflected from the surface passes through the lens to form a defocused imag...
06/17/2008
7375361Optical alignment device for machine tool
The orientation of a machine 2 relative to a work-piece 10 is manually controlled by means of an alignment device 4. The device 4 includes a light source 24 rigidly attached to a foot 12 that is resiliently movably attached ...
05/20/2008
7362424Compositions and methods for drop boundary detection and radiation beam alignment
The invention provides an apparatus and method for determining the position of a radiation beam. The apparatus includes (a) a first reflective surface and a second reflective surface, the reflective surfaces being placed to form the reflective exterior of a wedge; (...
04/22/2008
7352944Laser alignment device
The present invention discloses a laser alignment device which has a simple structure, easy operation and economical utility, and which includes a casing, a laser emitting unit that is mounted in the casing and may emit a planar laser beam, a first mounting plane an...
04/01/2008
7342699Scanner apparatus and image forming apparatus including a lens having a thin portion formed to extend in one scanning direction
A cylindrical lens is positioned between and a polygon mirror and a second slit plate through which light beams from two light beam emitting units pass, and the cylindrical lens has a thin portion where the thickness between the entrance plane and the emission plane...
03/11/2008
7334496Gearshift device for controlling the gear selection of a motor vehicle gearbox
A shifting device is provided for controlling the gear selection of a motor vehicle transmission with a housing, with a gearshift lever, which is arranged within a recess of the housing and can be pivoted in at least one vertical plane. A cover plate follows the piv...
02/26/2008
7336691Apparatus for combining beams from repetitively pulsed lasers along a common path
Two pulse sequences are delivered by two lasers. A rotating segmented mirror having one or more reflective areas and one or more transmissive areas is rotated synchronously with the delivery of the pulse sequences to transmit pulses from one sequence, and to reflect...
02/26/2008
7330633Three constraint joint
A precision apparatus (10) includes a constraint joint (256) having a contact (258A) and a contact engager (258B). The contact (258A) includes a contact region (268) that is rounded, and the contact engager (258B) inc...
02/12/2008
7330246Tilt meter based on the field transmission through a resonator
Described is a tilt meter for monitoring angle shift in an incident signal. The tilt meter includes a resonator for receiving an incident signal from a signal transmitter and outputting a resonated signal. An incident angle exists between a plane normal to the reson...
02/12/2008
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