Matches 151 - 200 out of 311 < 1 2 3 4 5 6 7 >
Match Document Document Title
4690556 Capillary bore straightness inspection  
A method for checking straightness of an elongated generally cylindrical bore, such as a capillary bore, includes directing a collimated light beam through the bore, with the bore skewed slightly...
4687326 Integrated range and luminance camera  
A three-dimensional range camera, which produces a range map of the distances from a reference to each of M×N points in a scene, is modified to generate registered luminance and range images. The...
4684248 Apparatus and method for nighttime and low visibility alignment of communicators  
A method and apparatus associated therewith for acquiring and maintaining a high quality communication by communication means of the type that includes a detector and focusing means for directing...
4682888 Spectral analyzer and direction indicator  
Spectral analyzer and direction indicator systems (10,20,30,40,50) are disclosed and include optical elements (11,17,27b,33b,35b,39b) for providing optical information which depend on incidence...
4682024 Laser radiation warning sensor utilizing polarization  
A device for the recognition and directional detection of optical radiation, especially laser radiation, i.e., a so-called laser warning sensor. The laser warning sensor comprises several optical...
4678328 Non-optimum waveguide optical sensor  
A novel optical sensor for measuring the separation of remote optical sources includes first and second optical fibers which are characterized by non-optimum optical waveguiding such that...
H000192 Satellite alignment sensor  
An optical alignment sensor capable of receiving radiation from a collima light source and subsequently providing orientation attitude and alignment data. Collimated light from the source impinges...
4627722 Method and apparatus for optically measuring three-dimensional coordinates  
The disclosed apparatus provides a point optical radiation source (i.e. point light source), at one or more distant points, the three-dimensional coordinates of which are to be measured relative to...
4627724 Radiation scanning and detection system  
A source of radiation is detected by an optical scanning system including a otating mirror and an array of V-shaped detector elements. The detectors are arranged in vertically stacked pairs in a...
4624563 Wide field of view remote laser position sensor  
A laser position sensor system for viewing a wide field of view for detecting the angular position of a remote laser. A laser beam directed toward the sensor from any position within a 90 degree...
4625108 Device for determining the direction of incident optical radiation  
In a sensor head (1), hemispherical in form, a plurality of optical fibers (4) is uniformly distributed over the convexly arched surface area (3), and mounted therein. The other ends of the optical...
4611914 Sunbeam incident angle detecting device  
A device for detecting a sunbeam incident angle comprises at least one pair of solar cells disposed to be perpendicular to each other, wherein the short-circuit currents flowing in the respective...
4600305 Dynamic energy centroid locator and processor (declp)  
The laser source energy and the target source energy goes through a common ptical path to a beam splitter. The energy from the target source is filtered, allowing only the laser information to pass...
4593187 Non-imaging illumination incidence angle detection system  
A non-imaging detector for directly measuring the angle of incidence of irradiation in one plane from an illuminating source. The detector includes a slit mask that transmits narrow lines of...
4582428 Non-retro angle of arrival meter  
A non-retro angle of arrival meter in which reflection means are mounted ative to an aperture and to detectors for radiation such that radiation passing through the aperture is reflected from the...
4518855 Method and apparatus for statically aligning shafts and monitoring shaft alignment  
A method and apparatus for statically aligning, checking or monitoring the alignment of a first shaft with a second shaft, one shaft being preferably chosen as a reference shaft to which the other...
4514084 Distance measuring apparatus  
In a distance measuring apparatus in accordance with the present invention, a light beam of a wide solid angle is projected on a photographic object by means of a strobo light source, and reflected...
4513201 Thermocouple detector  
An apparatus for determining the direction of orientation of pulsed sources includes a detector having two rectangular arrays of thermocouple strips fixed to opposite surfaces of a substrate....
4498768 Angle of arrival meter  
Apparatus for instantaneously measuring the horizontal and vertical aspect ngles of radiation received from a remote laser transmitter. A triangular corner reflector serves as the receiver of...
4441809 Method and apparatus for determining position  
Position sensing apparatus comprises generating means (12) for generating a beam of radiation; rotation means (24) for rotating the beam about a vertical axis to define a horizontal reference...
4433912 Method and a circuit for determining a contour in an image  
In a method and a circuit for determining a contour-defining angle formed by a contour in an image within a relatively small region thereof with a predetermined direction, the steps include...
4419012 Position measuring system  
A position measuring system comprising a transmitter (5, 19) mounted on one body and arranged to direct a flashing beam of radiation onto an area sensor (11) which is mounted on the other body and...
4395121 Apparatus for determining the angular position of a target illuminated by light pulses  
In a system for tracking a target which is illuminated by a laser beam, for example, apparatus is required to determine how far the target is off-axis. The apparatus includes an objective lens (3)...
4365149 Mortar fire control system  
A mortar fire control system for indicating azimuth, elevation and cant alar orientations of a mortar barrel. The system comprises a 3-axis optical head mounted adjacent the mortar barrel which...
4329579 Target seeking device  
A target seeking device having a gyro rotor rotating about its axis with two degrees of freedom about a central point of rotation. The device includes a detector fixed with respect to the housing...
4328553 Method and apparatus for targetless wafer alignment  
A method and apparatus for targetless X, Y and θ alignment of a semiconductor wafer having thereon a large number of identical microcircuits or dies that are arranged in a pattern to form rows and...
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...
4315690 Arrangement for locating radiating sources  
A radiation sensor for determining the angular location of a light source and locating a direction defined by a plurality of sources fastened to a movable structure such as a helmet-mounted sight...
4314761 Arrangement for locating radiating sources  
A radiation sensor improved to increase the signal-to-noise ratio in the presence of a luminous background of high light intensity and to reduce the danger of direct detection of solar radiation....
4297725 Method for measurement of displacement of moving body by use of target mark and apparatus therefor  
Disclosed herein are a method for the measurement of physical displacement, including the angular displacement, of a body in motion and an apparatus for use in the method, which method comprises...
4295740 Photoelectric docking device  
A photoelectric docking device for remotely positioning a first member relative to a second member, having a point light source coupled to the first member, which is directed to focus a narrow beam...
4291978 Apparatus for automatically determining the position at which a beam of light impinges on a target  
A rotating target contains an appropriately shaped section of photoelectric material which detects the position of a beam of light which is incident on the target. The position of the beam is...
4277169 Device for simultaneously performing alignment and sighting operations  
The invention concerns a device for simultaneously performing alignment and sighting operations relative to an adjusted vanishing line, and includes a light source, a bundle of parallel light,...
4256958 Apparatus for monitoring the optical quality of a beam of radiation  
An apparatus for monitoring the optical quality of a beam of coherent radiation or of an image from an incoherent source is disclosed. The apparatus includes a disk capable of being rotated, a...
4231533 Static self-contained laser seeker system for active missile guidance  
Four pulse-repetition-frequency coded laser diode arrays emit four beams in quadrature relationship having a central optical axis coinciding with the missile axis. The returned reflected energy...
4229103 Apparatus for determining off-aim during firing simulation  
A device for determining the position of a laser reflecting target with respect to a line of sight during shooting simulation is disclosed. Laser transmitting and/or receiving assemblies...
4225226 Laser guidance system for crop spraying aircraft  
This invention provides a method for controlling the path of a crop spraying aircraft in making repeated traverses over a field to insure that each traverse is laterally spaced from the adjacent...
4218138 Method and means for determining positions of reflectors with fan-shaped beams  
The positions of target reflectors at a distance from a measuring station are measured with fan-shaped angularly sweeping beams of radiation emitted from the measuring station and reflected back to...
4211922 Heliostat guidance  
Apparatus for positioning a mirror to reflect solar radiation from the sun onto a remote receiver. Two wide angle, preferably cylindrical lenses are positioned through the mirror, parallel to the...
4209255 Single source aiming point locator  
An aiming point locating system has a single LED mounted on the helmet of a pilot in an aircraft and can be used to designate a point on a cockpit display, or the like, without touching the...
4203108 Underwater detection system  
1. A system for detecting the presence and position of submerged objects below the ocean surface, comprising in combination, means for projecting a beam of electro-magnetic rays falling within the...
4199256 Optical system  
An optical system for determining the angular deviation of a movable object from a pre-selected target, wherein an objective lens projects an image of the target in a first focal plane and projects...
4193688 Optical scanning system  
An optical scanning system wherein infrared energy radiating from an object is directed to a Porro prism, such Porro prism being rotatable about the boresight axis of the optical scanning system so...
4185919 Quadrant detection system  
A quadrant detection system having an objective lens and a holographic lens positioned at the back focal plane of the objective lens. Four photoelectric detectors are positioned on the side of the...
4181435 Holographic field lens detector  
A holographic field lens detector system having an objective lens for focusing incoming light from a distant illuminating source upon a holographic lens positioned at the back focal plane of the...
4180322 Interior measurement of enclosed spaces  
An apparatus for measuring interior profiles of enclosed spaces such as railway tunnels through optical means, achieves greater speed and precision than hitherto known apparatus by using a...
4178505 Device for determining the direction towards a remote object  
An apparatus for measuring the coordinates of a target object with respect to a reference point within a particular field of view. A mask having a radiation transparent portion bounded by a...
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...
4123165 Attitude determination using two color, dual-sweeping laser system  
A system is provided for remote determination of the attitude of a vehicle. nboard the vehicle are located two separate arrays of corner cube retroreflectors. Each array of retroreflectors is...
4119379 Optical detection and ranging apparatus  
Optical detecting and ranging equipment of high information gathering and processing capacity employs a pulsed coherent source illuminating with each pulse a line field of view. An optical receiver...
Matches 151 - 200 out of 311 < 1 2 3 4 5 6 7 >