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7499155 |
Local positioning navigation system
A local positioning navigation system and method for controlling navigation are provided. The local positioning navigation includes a stationary unit having a pointing device configured to emit a...
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7498976 |
System and method for passively estimating angle and range of a source using signal samples collected simultaneously from a multi-aperture antenna
A system and method for passively estimating range and angle of a source are disclosed. The source may be any wave source including radio-frequency (RF), optical, acoustic or seismic sources. In...
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7304728 |
Test device and method for laser alignment calibration
A novel test device and method for calibrating the alignment of a laser beam emitted from a laser metrology tool with respect to a target area on a substrate. The test device includes a...
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7304729 |
Survey system
A survey system is made up of a target and a surveying instrument provided with an automatic collimator that automatically collimates the target. The target includes a guide light transmitter that...
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7301616 |
Method and apparatus for object alignment
The present invention relates to a method and apparatus for alignment of two mechanical parts. An inventive measuring device has a housing comprising a light source and a detector for detection of...
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7233389 |
System and method for the measurement of the velocity and acceleration of objects
A method and system is disclosed for determining a flight characteristic of an object in a flight path, the flight characteristic to be determined can be the object's position while in flight, a...
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7193695 |
Survey system
A survey system for transmitting guide light for instructing the direction of a target, the guide light having a wide range with small power. The survey system includes a target having a recursion...
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7148958 |
Method and system for measuring height or relatively axial position
A pair of rotary laser devices are vertically arranged while aligning their respective axes into a single axis and keeping said rotary laser devices away from each other in an axial direction...
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7115852 |
Photodetection device for rotary laser system
A photodetection device for a rotary laser system for projecting at least two fan-shaped beams tilted at a known angle with respect to a horizontal plane and having a known spreading angle,...
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7034929 |
Protective apparatus for the monitoring of a protected zone to be moved with a component
A protective device for securing to a component movable along a track and for the monitoring of a protected zone moving with the component includes a light transmitter for the radiation of a...
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7023537 |
System for monitoring the movements of construction work parts
The invention relates to a system for monitoring the movements, if any, of construction work parts. It comprises:
a plurality of measurement taking stations (S 1 , S 2 . . . ) able to sight...
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6917418 |
Accuracy analyzing apparatus for machine tool
An accuracy analyzing apparatus 1 comprises: a light projector 2 attached to a main spindle 26 for emitting a light beam having a light axis coaxial with the axis of the main spindle 26 ; a...
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6845326 |
Optical sensor for analyzing a stream of an agricultural product to determine its constituents
An optical sensor for use in measuring constituents of an agricultural product. An optical sensing window passes a stream of the agricultural product, and a radiation source irradiates the stream...
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6836320 |
Method and apparatus for active boresight correction
In a dual mode target designation system involving the use of a passive IR detector for developing rough target locations and a ladar or laser range finder for refining target position, a closed...
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6756581 |
Deviation detecting device, rotary laser apparatus with the same, and position determining system with deviation detecting/correcting device
The present invention is directed to a deviation detecting device that detects a deviation angle of a rotary unit of a laser light projector relative to a projector body. The deviation detecting...
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6693706 |
Laser reference system and method of determining grade rake
A laser reference system orients a reference plane of laser light generated by a transmitter so compensation is made for a rake angle between the first and second axes of the transmitter and an...
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6556287 |
Subterranean course alignment laser instrument
A subterranean course-defining laser instrument and a system for initial calibration or setup of this instrument to provide accurate definition of a sub surface course for a pipeline or the like....
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6535282 |
Position measurement system and method using cone math calibration
An improved three-dimensional position detector and measurement system includes one or more transmitters that each transmit planar light beams and a strobe pulse and a receiver that responds to...
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6462810 |
Surveying system
The present invention provides a surveying system, which comprises a survey instrument main unit for receiving and detecting a guide light projected from a collimation target, a horizontal rotating...
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6437860 |
Method and apparatus for angle measurement or to define angular location of an object
The invention relates to a method and an apparatus for angle measurement or for the determination of an angle of position for an object. The method comprises the use of a beacon having a known...
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6359681 |
Combined laser/FLIR optics system
In a FLIR/laser based targeting and imaging system, the ability to recognize, detect, locate, and/or track targets in an area of interest is significantly improved by reducing the fixed and dynamic...
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6263595 |
Laser receiver and angle sensor mounted on an excavator
An improved level indicating system is provided for use with excavating equipment based upon a family of laser light receivers. In a first embodiment, a laser receiver with a single "long"...
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6253697 |
Ship provided with a distortion sensor and distortion sensor arrangement for measuring the distortion of a ship
An improved ship which incorporates a distortion sensor arrangement. Measurement data supplied by the distortion sensor arrangement is preferably used to correct measurement data supplied by and/or...
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6219133 |
Spatial optical transmission device and method of spatial optical transmission
A spatial optical transmission device and method of spatial optical transmission of a beam type that allow tracking of a light beam by simple control. A plurality of divergent type tracking beams...
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6211951 |
Boresight alignment method
A boresight alignment method is used for aligning a laser with an optical sighting system in a laser designator or the like. The method includes selecting a target formed of a flat sheet of...
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6081257 |
Control stick rotatably positionable in three axes
To determine the position of a control stick which can be adjusted in three axes, reliably and accurately in all three axes in a constructionally simple, compact and light-weight manner by means of...
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6046799 |
Device for ascertaining misalignments of two shafts arranged one behind the other
A device for ascertaining misalignments of two shafts (1, 2) arranged one behind the other has a light emitter (6) rigidly fixed on one shaft (1) and which transmits in a manner known per se an...
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6043889 |
Misalignment detection apparatus and method
A rail misalignment detection system for use in verifying whether fixed span and moveable span rails on a fixed span and a moveable span of a rail bridge, extend within an acceptable range of...
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6023326 |
Surveying system
A surveying system comprises a surveying machine (11) which is disposed at a reference point (A) and a reflecting mirror (5) which is disposed on the side of a target point (B). In this surveying...
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5980094 |
Analysis of alignment data
Alignment data is analyzed to determine machine condition information that is not necessarily related to alignment. Alignment fixtures provide alignment data to an analyzer that finds a curve of a...
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5936721 |
Guide beam direction setting apparatus
A guide beam direction setting apparatus of the present invention has a guide beam generator (12) having a guide-beam emission optical system (14) for emitting a guide beam (P), an indicator-beam...
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5929984 |
System and method for generating multiple parallel beams and planes
A laser system is provided for precisely locating points in space relative to a reference plane. The system includes at least one laser generator capable of sweeping a plurality of mutually...
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5900938 |
Laser measurement system for rapid calibration of machine tools
A laser measurement system for rapid calibration of machine tools includes a measurement enhancement device which enables an existing standard single degree of freedom laser interferometry system...
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5886776 |
Laser beam receiver circuit
A laser beam receiver is provided wherein the position of a laser beam incident upon an array of a plurality of photosensitive cells is calculated by coupling the plurality of photosensitive cells...
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5844674 |
Virtual reality system with an optical position-sensing facility
A virtual reality system permanently connected with a device to be worn by a user is disclosed which has an optical position-sensing facility that contains at least one radiation source defining a...
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5838432 |
Optical Angle detection apparatus
An optical angle detection apparatus includes a light source section, a sensor section disposed separately from the light source section through a space, a timing controller, and a calculation...
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5835209 |
Relative-angle detection apparatus
A relative-angle detection apparatus which has an infrared-signal transmitting unit and an infrared-signal receiving unit. The transmitting unit includes a first light-emitting device array formed...
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5822050 |
Direction finding system
The present invention provides a direction finding system capable of positioning directions at two points, and particularly, for shifting a ground central base line and a reference point for...
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5798828 |
Laser aligned five-axis position measurement device
A laser-based multi-axis position measurement unit measures position deviations in 5 axes while traversing a 6th linear axis. The apparatus includes three components: 1) a laser-beam unit which...
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5767960 |
Optical 6D measurement system with three fan-shaped beams rotating around one axis
A system for the determination of the distance and orientation of an object carrying at least three light sensors from a fixed reference point when the object is irradiated by at least three...
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5764351 |
Method for the differential measurement of the angle of incidence of a luminous beam and device for implementing the method
The method for the differential measurement of an angle of incidence of a luminous beam uses a polarized light beam which is passed twice through a birefringent plate followed by a polarizing...
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5760909 |
Integrated apparatus and method for EDM and GPS surveying
An electronic distance measurement EDM apparatus (41) for attachment to a range pole (42), having a GPS antenna (12) having a circular exterior (46) with a reflective outer surface (54) for...
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5757478 |
Remote position sensing apparatus and method
A sensor for determining a one-dimensional component of the angular orientation of a radiation source relative to the sensor has a radiation sensitive element which produces an electrical signal...
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5757499 |
Method of locating the spatial position of a frame of reference and apparatus for implementing the method
A method of locating the spatial position of a frame of reference comprising placing an emitter module having a fixed stand, a light beam source carried by the stand to pivot about two distance...
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5734466 |
Alignment, code and power test of airborne laser designators
This invention relates to laser guided weapon systems and in particular to boresighting a designator laser to a forward looking infrared (FLIR) sighting system that is at a wavelength other than...
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5715042 |
Method for determining the precise position of a mobile vehicle moving in an open space and apparatus employing said method for the vehicle remote control
Method and apparatus for determining the position of a mobile vehicle with a receiver, through a triangulation based on angular data obtained by processing directive electromagnetic signals emitted...
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5700084 |
Optical source position adjustment device
In the light-source position adjustment device, a magnification lens 31 magnifies a light bundle emitted from a light source 50. A half mirror 32 guides the light bundle outputted from the...
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5689369 |
Angular deviation detection apparatus
There is provided an angular deviation state detection apparatus which detects the deviation state of a movable portion which can deviate, and has a detection portion for detecting a predetermined...
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5684578 |
Laser alignment head for use in shaft alignment
The specification discloses a laser alignment head system for taking alignment data with respect to a pair of coupled shafts. Each alignment head includes a laser, a laser sensor for sensing a...
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5661555 |
Method and apparatus for determining the roll angle position of a rotating flying body
A method and apparatus for determining the roll angle position of a rotating flying body (2) relative to a fixed station (1) with the aid of a laser (3) light beam (4, 24) emitted by the fixed...
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