Matches 1 - 50 out of 69 1 2 >
Match Document Document Title
7292319 Optical tracking device employing a three-axis gimbal  
An optical tracking device, includes an azimuth sub-assembly providing a 360-degree range of motion and a transducer sensing the azimuth position within this range of motion; and an elevation...
7248374 Spherically mounted light source with angle measuring device, tracking system, and method for determining coordinates  
A device for use in conjunction with a coordinate measuring device, a three-dimensional coordinate measuring system and a method of measuring three-dimensional coordinates are described. The device...
7075663 Optical device and a method for aiming and visually indicating a reading area  
The invention relates to an optical device for aiming along an optical axis and visually indicating a reading area, comprising at least an illuminating assembling acting on a portion of the reading...
7072032 Automatic tracking apparatus for reflector  
The present invention comprises an illumination portion ( 11 ), a light receiving portion ( 12 ), disposed in the surveying machine body ( 8 ), having an image sensor ( 27 ) for receiving a...
6795174 Tracking systems  
A system for tracking a projectile utilizing a laser beam modulated by an acousto-optic cell. Transponders distributed on hemispheres around the rear of the projectile detect the scanned beam and...
6262801 Laser reference level setting device  
The present invention provides a laser reference level setting device, by which it is possible to adjust irradiating positions of a laser beam in vertical and horizontal directions with a simple...
6201231 Testing system for measuring and optimising target tracking systems  
Described is a testing system which has a target point light source (12), a tracking light source (18) and therebetween a projection wall (24). Associated with the target point light source (12) is...
5995681 Adjustment of sensor geometry model parameters using digital imagery co-registration process to reduce errors in digital imagery geolocation data  
A digital image processing system reduces errors in the parameters of a sensor geometry model, through which points in a captured digital image are geolocated to the surface of the earth by means...
5633710 System for self-aligning vehicle headlamps  
A system for self-aligning a headlamp of a vehicle, the system comprises at least one actuator which modifies an alignment of the headlamp in response to a control signal. An infrared light source...
5600434 Apparatus for defending against an attacking missile  
Craft (11) generally and in particular the transport aircraft (11) which are used for humanitarian purposes and for supplying crisis reaction forces over militarily unknown territory and which have...
5557347 Ballistic missile boresight and inertial tracking system and method  
A coarse/fine alignment system and method for boresighting high energy, laser pulses onto ballistic missiles in their boost phase. A ground based, common optical aperture laser separator, a mosaic...
5088818 Optical aiming device  
An optical aiming device comprising optical elements providing a primary optical path by which a field of view is presented to an observer and a secondary optical assembly providing two stabilized...
5054917 Automatic boresighting device for an optronic system  
This system enables the boresighting of the optical axes of a system comprising, for example: an infrared distance measuring device, a television camera, sensitive in the visible band, and a laser...
5013151 Variable beam width laser radar system  
A high precision, high power laser-radar system whose output beamwidth can be varied from a divergent to a convergent mode thus allowing for target acquisition, its high precision tracking and...
5007736 System for target designation by laser  
A system for target designation by laser comprises circuitry for precise alignment of the aircraft and pod lines of sight. The alignment circuitry operates digitally in a computer in which the...
4994661 Optical two-dimensional servo-loop for laser beam stabilization and/or position encoding  
The present invention pertains to an electrooptical tracking system. The invention includes means for producing a coherent beam of light and means for deflecting the beam of light. The deflecting...
4798462 Auto-boresight technique for self-aligning phase conjugate laser  
A method and apparatus are disclosed for providing a self-aligning phase conjugate laser beam that is automatically boresighted with an active or passive tracking sensor. A single-transverse-mode...
4737028 Target loop active boresighting device  
The invention disclosed here is a sensor comprised of a laser designator, a and block filter and a two-dimensional sensor that can "see" the target in one band and the designator in another band,...
4714339 Three and five axis laser tracking systems  
A tracking system for measuring at least the spatial coordinates of a target and possibly the angular orientation of the target. A collimated beam is directed to the target and a mirror attached to...
4712915 Arrangement for holding an instrument in alignment with a moving reflector  
The invention relates to an arrangement for holding an instrument aligned onto a movable reflector, which may have the form of a cube corner prism. The instrument has a transmitter which transmits...
4701602 Adaptable modular stabilization system  
An optical sensor system (10), including a two degree of freedom gyro (32) and a beam expander (38) having a predetermined magnification level, is rigidly secured internally to a housing (20). Also...
H000341 Dual mode scanner/tracker  
The beam of a laser radar is moved over the field of view by means of a p of scanner/trackers arranged in cascade along the laser beam. One of the scanner/trackers operates at high speed, with high...
4665795 Gun muzzle reference system  
A muzzle reference system is provided for correcting errors in aiming signals produced by a fire-control system of an artillery gun having a gun muzzle pivotable about a first axis and movable...
4650325 Laser tracker designator  
A laser source projects a main beam through a central hole formed in an optical wedge. A portion of the laser light is refracted through the wedge and forms an optical side lobe. By rotating the...
4577962 Method and equipment for the control of aiming and firing at a real target  
A firing weapon is associated with a laser radiation source mounted in proximity to the weapon and also with a detector which is sensitive to the laser radiation. The orientation of the radiation...
4576480 Optical alignment system  
An optical alignment system in which an aligning beam of radiation is caused to scan around the periphery of an alignment aperture. Light reflected from the edge of the alignment aperture is...
4528525 Scanning laser for a scanning laser radar  
In an optical radar system a coherent signal is transmitted at a variable position and the return signal, that is, the reflected portion of the coherent signal is received and coherently detected....
4516853 Laser radar adaptive tracking system  
A laser radar system employs an acousto-optic modulator to sweep an output beam. Comparison of reflected radiation with output radiation permits adaptive control of steering angle and beam width to...
4515472 Agile receiver for a scanning laser radar  
In an optical radar system a coherent signal is transmitted at a variable position and the return signal, that is, the reflected portion of the coherent signal is received and coherently detected....
4515471 Scanning laser radar  
In an optical radar system a coherent signal is transmitted at a variable position and the return signal, that is, the reflected portion of the coherent signal is received and coherently detected....
4497065 Target recognition system enhanced by active signature measurements  
A passive electro-optical target recognition system which utilizes additional signature measurements of an active nature to enhance the discrimination of desired targets from detected candidate...
4401886 Electromagnetic beam acquisition and tracking system  
An electromagnetic (e.g., laser) beam acquisition and tracking system that is particularly useful onboard high-speed aircraft (10) to acquire and track a target (12) supporting a retroreflector...
4385834 Laser beam boresight system  
Boresighting of an outgoing first laser beam axis to an imaging sensor reference axis is described by aligning a second laser beam axis, which is in fixed relation to the first laser beam axis, to...
4384198 Time-shared aperture device  
A time-shared aperture device using the laser illuminated target to provide a return wavefront which passes through the optical train and beam expander. The distortions in this return wavefront are...
4373808 Laser doppler attitude measurement  
A system is provided for remote determination of the attitude of a moving hicle. The system utilizes two remotely located transmitting-receiving stations and two retroreflecting single plane roof...
4324491 Dual mode guidance system  
An active (laser) and passive guidance system having a common sensor (siln-vidicon) for target acquisition, non-imaging seeker (four quadrant detector integrated with four single detectors, gyro...
4311385 Coherent detection lag angle compensated scanning system independent of inhomogeneities of the detector  
A coherent detection scanning laser system having an optical system that compensates for the angular deviation of the received signal resulting from the scanning process, and having a detection...
4311384 Laser scanning system  
A scanning laser doppler system in which the change in angle between transmitted and received beams caused by the finite transit time to the target is automatically compensated. The scanning beam...
4224507 System for tracking a moving target with respect to a frame of reference of unvarying orientation and fixed origin relative to earth  
A system for tracking a moving target from a moving carrier. The tracking system is provided with a device for measuring the position of the target in relation to the carrier and with a...
4215936 Shared pointing for offset target of an adaptive phased array  
A coherent optical adaptive system employs phase conjugation for locking the beam of a phased array of laser transmitter to a target, focusing the beam on the target and compensating for distortion...
4209253 Laser radar tracking system  
A high precision laser radar tracking system is described. Targets which can be tracked include diffuse passive targets, specular passive targets and optical transponders. The base section of the...
4173414 Method and apparatus for correcting the aiming of an optical illuminator on a target  
The invention relates to the aiming of an optical illuminator on a target. The direction in which is seen the maximum light of the illuminator reflected by the target is detected, the angle formed...
4168908 Precision pointing and tracking control system  
A precision pointing and tracking control system having a source for producing an electromagnetic beam, a high efficiency diffraction grating, a retroreflector, sensor and means for adjusting the...
4168524 Airborne surveying apparatus and method  
A method and apparatus for surveying ground terrain from an airborne vehicle is disclosed. According to the method and apparatus, an inertial measurement unit, a position tracking device, and a...
4161652 System for optically aiming a laser beam on to a target  
System for optically aiming a laser beam on to a target. The system comprises a mirror which reflects the laser beam towards the target and which is supported by a base by means of a pivot and...
4155096 Automatic laser boresighting  
To boresight the laser of a laser designator system to the null point of an automatic television tracker, by selectively causing the laser beam to be retroreflected to the video sensor of the...
4129775 Glint capture system for improving lock stability of coat  
An imaging detector system for improving the lock-on stability of an optical system and in particular a multi-dither coat system. A quadrant non-coherent detector is disposed beneath a variable...
4123651 Apparatus and method for speckle tracking  
A laser radar system and method for tracking speckle generated by the interaction of a beam of coherent electromagnetic radiation with a target to enhance the signal to noise ratio of a return...
4123166 Optical detector of remote movement including cyclic scanning of target  
A detector of remote movement in which light from a laser is directed at a target and, on reflection from the target, is mixed with reference light from the laser to produce a Doppler signal...
4047816 Attitude determination using two transmitter/receiver stations and skewed reflectors  
A system is provided for remote determination of the attitude of a vehicle. he system utilizes two remotely located transmitting-receiving stations and two retroreflecting single plane roof prisms...
Matches 1 - 50 out of 69 1 2 >