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| Number | Title | Issue Date |
| 7933007 | Method and apparatus for position optimization of a field generator An electro-magnetic tracking system includes a system controller having a sensor interface, a generator, and a positioning and angular orientation configuration. The generator is responsive to the system controller for generating an electro-magnetic field that inclu... | 04/26/2011 |
| 7821623 | Surveillance satellite image denial system A satellite surveillance countermeasure system uses an airborne platform to position a coherent radiation source above a substantial portion of the Earth's atmosphere. The coherent radiation source provides coherent radiation that is directed toward an enemy surveil... | 10/26/2010 |
| 7808626 | Method of mobile radio positioning aided by single fan self-surveying laser transmitter A method of mobile radio positioning aided by a single fan self-surveying laser transmitter (SF_SS_LT), wherein a rover comprises a mobile radio positioning system (Mobile_RADPS) integrated with a mobile laser detector; and wherein THE SF_SS_LT comprises a single fa... | 10/05/2010 |
| 7768631 | Method and system for providing a known reference point for an airborne imaging platform Method for providing a known reference point for an airborne imaging system, the method including providing at measured earth co-ordinates a camera/mirror assembly having a camera and a mirror mounted in fixed mutual spatial relationship and capable of tilting about... | 08/03/2010 |
| 7764365 | Combination laser detector and global navigation satellite receiver system A combination laser detector and global navigation satellite antenna has a laser detector positioned in a known and fixed relationship with the nominal phase center of an included global navigation satellite antenna. The offsets for these elements may be fixed, simp... | 07/27/2010 |
| 7602480 | Method and system for tracking a moving station or target in free space communications A method for target acquisition and tracking of a moving station or target (e.g., an unmanned aerial vehicle) for carrying out free space optical communications uses an “elapsed time”-based approach to determine the position of the moving station at any future t... | 10/13/2009 |
| 7595867 | Mobile radio positioning aided by single fan laser The method of mobile radio positioning aided by a single fan laser comprising: generating a single sloping fan beam by using a stationary fan laser transmitter positioned in a location with known coordinates; detecting the single sloping fan beam by using the mobile... | 09/29/2009 |
| 7477367 | Celestial object identification device A celestial object locating device according to the present disclosure enables a user to unambiguously identify one or more stars or other celestial objects. The celestial object locating device may also direct a user to a desired celestial object or objects. The de... | 01/13/2009 |
| 7456943 | Laser positioning measurement system and method The position of an apparatus moving along a surface is determined by calculating a plurality of vertical angles between the apparatus and a known location, where the vertical angles vary only within a range having a largest expected maximum angle. A plurality of hor... | 11/25/2008 |
| 7423742 | Surveying systems and methods The invention relates to a surveying system, comprising at least one total station unit (210,220), and at least one target (201,203), said targets having wireless communication means, each unit provided with a unique wireless communication address for ... | 09/09/2008 |
| 7382448 | Alignment system for observation instruments A method and apparatus is disclosed for aligning an optical instrument with respect to a celestial coordinate system, the optical instrument having a field of view and an optical instrument coordinate system, the celestial coordinate system having a plurality of obj... | 06/03/2008 |
| 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 object, where the scene is capable of moving through a field of view of... | 04/15/2008 |
| 7336350 | Wheel alignment apparatus and method utilizing three-dimensional imaging A vehicle wheel alignment system utilizing a non-contact range finding system in conjunction with one or more optical imaging sensors to acquire images of a fixed target, fixed random object, or the vehicle wheels, from which three-dimensional information related to... | 02/26/2008 |
| 7310138 | Method for augmenting radio positioning system using single fan laser A method of augmenting a mobile radio positioning system (Mobile_RADPS) by using a stationary fan laser transmitter. A rover comprises the mobile radio positioning system (Mobile_RADPS) integrated with a mobile laser detector. The stationary fan laser transmitter is... | 12/18/2007 |
| 7310578 | Fast access, low memory, pair catalog A system (18) includes: a) A vehicle (12) includes an attitude or angular velocity control system (38), a plurality of star trackers or star sensors (22) each having a field of view (28); b) a memory (30) having a star catal... | 12/18/2007 |
| 7310137 | Self surveying laser transmitter A self-surveying laser transmitter comprising a laser transmitter configured to generate at least one rotating laser beam and a radio positioning system integrated with the laser transmitter. The radio positioning system is configured to obtain the precise coordinat... | 12/18/2007 |
| 7307710 | Surveying methods and apparatus The invention relates to a surveying system, comprising at least one total station unit (210, 220), and at least one target (201, 203), said targets having wireless communication means, each unit provided with a unique wireless communication address fo... | 12/11/2007 |
| 7304727 | Laser distance-measuring device A laser distance-measuring device includes a laser-transmitting portion, a laser-receiving portion, a coupling portion, an inclination-measuring portion, a signal-processing portion, and a display. The laser-transmitting portion emits a laser beam, and the laser-rec... | 12/04/2007 |
| 7297934 | Optical system In preferred forms of the invention an array of MEMS mirrors or small mirrors inside an optical system operates closed-loop. These mirrors direct external source light, or internally generated light, onto an object—and detect light reflected from it onto a detecto... | 11/20/2007 |
| 7295296 | Portable target locator apparatus and method of use A portable target locator for use by a ground observer to accurately determine the location of a target and transmit location information and firing instructions to an unmanned vehicle so the unmanned vehicle can locate the target and perform an operation based on t... | 11/13/2007 |
| 7292326 | Interferometric analysis for the manufacture of nano-scale devices The present invention features a system to determine relative spatial parameters between two coordinate systems, which may be a mold and a region of a substrate in which mold is employed to generate a pattern. The system senses relative alignment between the two coo... | 11/06/2007 |
| 7267303 | Method and system for providing cruciform steered, bent biconic and plasma suppression for maximum accuracy A system for reducing plasma induced communication disruption is disclosed. The system utilizes an electrophilic gas injectant, bent reentry vehicle nose shaping and a number of flaps configured to provide 3-axis steering capability. Injecting electrophilic gas inje... | 09/11/2007 |
| 7227627 | Optical biaxial angle sensor A fast and accurate non-contacting angle sensor. According to one aspect of the described sensor and method of operation thereof, the angular orientation of an inner payload relative to an outer structure is monitored with a 2 axis optical angle sensor for azimuth a... | 06/05/2007 |
| 7227626 | Method for determining the current position of the heads of vehicle occupants The invention relates to a method for determining the current position (A, B, C, D) of a head (9) of an occupant (8) in the passenger compartment (2) of a motor vehicle (1), said head moving toward an automatic dynamic disabling zone (... | 06/05/2007 |
| 7199872 | Method and apparatus for ground-based surveying in sites having one or more unstable zone(s) The invention relates to ground-based surveying on a site (2) which comprises an unstable zone (60) and at least one control point (FCP1, FCP2, FCP6, FCP7; CP1–CP3) placed outside the unstable zone, in which ... | 04/03/2007 |
| 7196784 | Method and apparatus for optical correction of a laser beam A laser beam transmitter and a method of calibrating such a transmitter result in a beam of laser light that is projected in a desired direction with respect to a transmitter body. The transmitter and a beam target are positioned such that a properly calibrated beam... | 03/27/2007 |
| 7155833 | Viewing and display apparatus position determination algorithms Celestial object location devices with sensor arrays of having less that one sensor for each of three orthogonal components of gravity and magnetic field vectors. The accuracy of position sensing is enhanced by estimating “missing” sensor input based on input fr... | 01/02/2007 |
| 7157678 | Optical radiation intensity sensor A radiation intensity directional sensor includes a housing having an opening covered by a transparent or translucent lens element, an array of sensor elements sensitive to radiation, preferably to electromagnetic radiation in the visible and/or infrared range, and ... | 01/02/2007 |
| 7155031 | Moving object detection method From a plurality of pictures 1-1 through 1-3 captured at successive time intervals, pictures 2-1 through 2-3 of regions determined in accordance with the movement of the celestial object are cut out. By derivin... | 12/26/2006 |
| 7123354 | Optical position measuring device An optical position measuring arrangement that includes an incremental measuring graduation and a scanning unit, which can be moved in relation to the incremental measuring graduation along a measuring direction and by which position-dependent incremental signals ar... | 10/17/2006 |
| 7113271 | Method to accurately measure the angular orientation of a rotating axis to a reference line A method is described that measures the angular orientation of a rotational axis to a reference line. The reference line is defined by the position of a string. The alignment device includes a collimated light source that is projected approximately perpendicular to ... | 09/26/2006 |
| 7086163 | Method and remote-controlled reflector device for layout axis lines during construction of a building in the absence of direct line of sight A method and remote-controlled reflector device for layout reference and axis lines is provided for use preferably in high building construction industry. The reflector device includes a mirror capable of rotating about its horizontal and vertical axes as controlled... | 08/08/2006 |
| 7068180 | Celestial object location device A hand-held electronic celestial object-locating device assists in identifying a celestial object or directing a user to a desired celestial object. The device is useful for locating or identifying any celestial object including stars, constellations, planets, comet... | 06/27/2006 |
| 7064817 | Method to determine and adjust the alignment of the transmitter and receiver fields of view of a LIDAR system A method to determine the alignment of the transmitter and receiver fields of view of a light detection and ranging (LIDAR) system. This method can be employed to determine the far-field intensity distribution of the transmitter beam, as well as the variations in tr... | 06/20/2006 |
| 6965471 | Astrometry system using two telescopes, one of which is an astrometry telescope An astrometry system comprises an astrometry first telescope having first and second sightlines respectively corresponding to first and second fields of view and a first star detector system in a first focal plane. A first optical system combines first and second li... | 11/15/2005 |
| 6781106 | Solar sensor for providing constant total sensor output A solar sensor comprises a housing, a pair of optical devices, an optical lens and a lens member. The optical devices are disposed in the right side and the left side on the top side of the housing, respectively, of the axis parallel to the direction of travel of a ... | 08/24/2004 |
| 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 sends out emitted light, which comes from a light emitting means, to a t... | 05/11/2004 |
| 6704607 | Method and apparatus for controllably positioning a solar concentrator A method, apparatus, control system and computer program product are provided for controllably positioning the solar concentrator. The method, apparatus, control system and computer program product determine the respective errors generated by more and dif... | 03/09/2004 |
| 6681182 | Fault detection pseudo gyro A fault detection pseudo gyro emulates mechanical gyros by processing space system appendage measurement data and reaction wheel tachometer data within reference and control systems of a satellite to compute the vehicular bus angular velocity rate data by... | 01/20/2004 |
| 6521882 | Optical sensor with directivity controlled Plural photodetectors for receiving light and generating detection signals. A light amount controlling portion is arranged above the photodetectors for controlling an amount of the light to the photodetectors according to an incident angle. A weighting po... | 02/18/2003 |
