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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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
6862086 Angle detecting apparatus and projector having the same  
In an angle detecting apparatus and projector using range finder units, range finding calculations are performed in plural directions using line type passive range finders as the range finding...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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"...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
5898490 Laser survey instrument  
A laser survey instrument according to the present invention comprises at least an object reflector detecting unit for irradiating a detection laser beam, a main body rotating unit for rotating the...
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...
5872626 Consolidated laser alignment and test station  
A consolidated laser alignment and test station. In exemplary embodiments, equipment sufficient to perform complete dynamic testing and alignment of a laser transceiver unit is provided in one...
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...
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...
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...
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...
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...
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...
5767952 Surveying instrument  
A surveying instrument, which comprises an object to be irradiated, a projection system provided on a range finder or on a range finding angle measuring instrument having a range finder and for...
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...
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...
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...
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...
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...
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...
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...
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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