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7358474 |
System and method for time-delay integration imaging
A system is provided that includes an optical arrangement, an assembly of a plurality of detectors, and a signal processor. The optical arrangement is capable of viewing a scene that includes an...
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7312461 |
Laparoscopic tumor therapy using high energy electron irradiation
A laparoscopic tumor therapy method and an articulated electron beam transport system are provided for use with a high power, long focus electron source for tumor therapy. The high power, long...
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7205521 |
Speckle based sensor for three dimensional navigation
Motion of a speckle pattern is employed to provide for navigation in three dimensions. Non-speckle optical navigation methods may also be used to provide for two dimensional surface navigation with...
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7196302 |
Laser measuring method and laser measuring system having fan-shaped tilted laser beams and three known points of photodetection system
A laser measuring method in a laser measuring system, which comprises a rotary laser system for projecting a laser beam by rotary irradiation and at least one photodetection system having at least...
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7161686 |
Sensor for determining the angular position of a radiating point source in two dimensions and method of operation
A sensor for determining the angular position of a radiating point source in two dimensions includes a mask encoded in two skewed directions with waveforms consisting of several frequencies in...
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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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7105791 |
Orbital debris detection and tracking system utilizing sun or moon occlusion
A system for using an image of the Sun for detecting objects traveling through Earth's atmosphere is disclosed. The system includes a receiver for collecting incident sunlight (solar energy) and a...
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7030354 |
Automatically controlling apparatus and an automatically controlling system of a boarding bridge, which can improve a reliability due to an automatic operation, and a position matching method of a boarding bridge
An automatic controlling apparatus of a boarding bridge to match a position of the boarding bridge with an airplane, includes: a light irradiator, an optical sensor, and an actuator. The light...
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6987257 |
Attitude determination system and method
An attitude determination system and method is provided that includes at least two sensor sets. Each sensor set is configured to detect electromagnetic radiation, such as light of a known...
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6982407 |
Photoelectric conversion unit having a plurality of photoelectric conversion surfaces and systems and methods for measuring location and/or direction using the photoelectric conversion unit
A pointing position or direction is accurately determined with a simple constitution without burden to a user. A pair of PDs (photodiodes) forming one photoelectric conversion unit provide a light...
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6943334 |
Method for determining absolute motion of an object
Method and apparatus for the detection of absolute motion in a three-dimensional coordinate frame of reference, having mutually perpendicular axes X, Y and Z, by an instrument positioned in the...
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6788398 |
Far-field scanning apparatus and method for rapid measurement of light source characteristics with high dynamic range
A method and apparatus for rapid measurements of far-field radiation profiles having a large dynamic range from an optical source is disclosed. Some embodiments of the apparatus include a collector...
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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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6734412 |
Position detection device
The present invention relates to a position detection device having a function of an electronic shutter. The position detection device is devised to perform the following: a light sending means...
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6690458 |
Methods and apparatuses for reconstructing angle information
Methods and apparatuses for determining angular information from a target. A plurality of sensors on an image plane are used to obtain measured amplitude data. An azimuth and elevation may be...
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6669145 |
Apparatus, method and system for fluid-motion-powered modulation of a retroreflector for remote position sensing
A fluid-motion-powered modulated reflector apparatus is provided that modulates the frequency of a reflected radiation signal. Passing the apparatus through a fluid such as air causes rotational...
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6540607 |
Video game position and orientation detection system
A position sensing apparatus and method includes a targeting device with a plurality of infrared transmitters or photodiode receivers attached to the targeting device and with corresponding...
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6507392 |
Single multiple aperture (“SMART”) lens system
One version of the invention relates to a laser detection system that includes a ball lens and a plurality of fiber optic bundles placed adjacent the ball lens so that incoming light rays are...
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6490801 |
Sun sensors using multi-pinhole overlays
Sun sensors or position sensors may be used to determine the angular location of the sun or other object with respect to the sensor. The sun sensor provides high resolution over a wide field of...
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6417500 |
Solar radiation sensor
A radiation sensor with particular application to detection of sunshine has at least two (but typically seven) light sensitive detectors and a masking element. The masking element has a pattern of...
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6396577 |
Lidar-based air defense system
A lidar-based air defense system for providing a single unified system that may detect, track and even destroy airborne objects, even objects designed to move relatively undetected through...
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6310336 |
Architecture for processing wide field-of view sun sensor signals for satellite applications
The present invention is embodied in an apparatus for sensing solar position. The apparatus includes a precision wide-field-of-view (WFOV) passive optical sensor head and a set of interface...
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6281930 |
System and method for controlling the field of view of a camera
A system and method for control of the field of view of one or more cameras for providing that one or more subjects are to be in a single field of view ("share view") wherein the system will...
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6201232 |
Imaging system with a two-axis-gimbal mirror scan system apparatus and method
A mirror is scanned to provide an image of a portion of the Earth to a multiband focal plane array (MBFPA) of optical detectors (an "imager"). Initially, the mirror is positioned relative to a...
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6191404 |
Two-sided solid-state imager in a navigational device
A charge-coupled imaging device (FIG. 3) is thinned to allow for backside illumination. The device is further enhanced using ion implantation techniques to establish an electrical field (44) at the...
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6137566 |
Method and apparatus for signal processing in a laser radar receiver
An apparatus for receiving signals from a photodetector in a photodetector array. The apparatus has a number of comparators (e.g. 5) connected to the photodetector. each photodetector in the array...
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6100516 |
Velocity measurement device and laser range finder using a coherent detection
The invention relates to a velocity measurement device of the coherent detection type comprising: an active laser medium (10), an input mirror (M 1 ) and a first output mirror (M 3 )...
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6098929 |
Three axis attitude readout system for geosynchronous spacecraft
A three axis attitude readout system for geosynchronous spacecraft operating at geosynchronous and other orbit altitudes has a two axis sun sensor, a two axis Polaris star tracker, and an infrared...
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6054715 |
Radiation sensor determining the direction of incidence
A radiation sensor for determining the direction of incident radiation, which is designed to be able to measure via only one amplification path, within a dynamic range from the sensitivity limit of...
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6034365 |
Multiple explosion timing detection device using photodetector array
A device detects the times of multiple explosions to within a microsecond thout the need for precise aiming. The device uses a linear array of photodetectors to detect light from the explosions....
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5994688 |
Position leveling sensor for a laser transmitter
A device for leveling a laser transmitter is provided. An optical position sensor is used to measure the position of a compensator assembly. The compensator assembly automatically adjusts the...
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5939704 |
Radiation beam position sensor
An apparatus for detecting the position of a primary beam of electromagnetic radiation, the apparatus including a leaky mirror for reflecting the primary beam and for extracting from the primary...
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5914661 |
Helmet mounted, laser detection system
A portable, low cost, laser detection system which generates an alarm signal that can be used to produce visual and/or audible warnings indicating the range, location and type laser energy...
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5864131 |
System and method for accurate geolocation of images
A satellite-based imaging system (100) is used to provide imaging services to users located anywhere on the earth. The surface of the earth is imaged, and the resulting images are geolocated using...
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5837894 |
Wide field of view sensor with diffractive optic corrector
A three-axis attitude orientation system for a spacecraft is described. The single sensor provides roll and pitch information by locating the centroid of the earth and using this as a reference...
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5773813 |
Angular position finding system for an observation instrument
Angular position finding system for an observation instrument, possibly fitted with a sighting change mirror and which includes one or two reflecting mirrors and one or two alignment sensors. Light...
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5767524 |
Optical device for determining the orientation of a solid body
A device determining the orientation of a first solid body with respect to a second or reference solid body. Each body is filled with sets consisting of an optical source and a detector of optical...
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5756987 |
Photoelectric displacement detector having movable detecting elements
An improved photoelectric displacement detector is disclosed which includes (a) a light receiving part (1) having a pair of solar battery panels (1b, 1c) vertically arranged adjacent to each other,...
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5723869 |
Multichannel position sensing detector
A position sensing detector in which each of a plurality of sensing channels is provided with ends and an output current lead at each end of each channel. A light spot is imaged along the length of...
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5717491 |
Process and device for determining the center-line of a curvature
Method and device for ascertaining the spacing of the center line of curvature of a concave body surface 3a and 5a, which is curved in the shape of a conical envelope, in particular the spacing of...
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5698843 |
Apparatus for measuring motion errors of five degrees of freedom along guideway
A computer aided error measurement system is disclosed. The horizontal and vertical straightness errors as well as roll, pitch and yaw errors are measured simultaneously with just one setup...
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5675404 |
Method and system for recognizing behavior of object
A method includes steps of measuring a distance in a straight line to an object within a target area by means of a range finder; storing object data indicative of the measured distance in a memory;...
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5604695 |
Analog high resolution laser irradiation detector (HARLID)
An opto-electronic device for detecting a beam of radiation and determining the angle-of-arrival of that beam with a high degree of angular resolution. The device has a linear array of radiation...
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5585619 |
Wireless input system for computer using elevated four-division photodetector
A wireless input system for a computer includes a pen-type input device and an input device body. The pen-type input device comprises a light emitting element for emitting a pulse of light. The...
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5567976 |
Position sensing photosensor device
photosensor device (41) having tapered photodiodes (53, 55) that are interdigitated and which is compatible with typical ASIC, CMOS and BiCMOS processes. A left side photodiode array of tapered...
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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...
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5554858 |
Segmented position sensing detector for reducing non-uniformly distributed stray light from a spot image
A position sensing detector in which each of a plurality of sensing channels is provided with ends and an output current lead at each end of each channel. A light spot is imaged along the length of...
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5544558 |
Apparatus for detecting the position of an object along a secondary axis and scanning a profile of the object in a primary axis
A positioning device having a transmitter mounted on a carriage which is movable along a secondary axis. A linear detection array is provided to scan a profile of an object mounted on the carriage....
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5534689 |
Device to check the setting of the position and orientation of a helmet with respect to the helmet wearer's head
An instrument system to make settings and verify that the pupil of an eye of a wearer of a helmet designed to receive a piece of optoelectronic equipment itself having a pupil truly coincides with...
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5528358 |
Optical angle measuring device
An optical device for measuring the angular position of electromagnetic radiation, such as laser light, incident on the device, includes a lens system defining an input surface for receiving the...
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