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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8186589 | UAV decision and control system The present invention relates to a hierarchical system and method for task assignment (TA), coordination and communication of multiple Unmanned Aerial Vehicles (DAV's) engaging multiple attack targets and conceives an ad-hoc routing algorithm for synchronization of ... | 05/29/2012 |
| 8083142 | System and method for target tracking A method, computer program product, and target tracking system for obtaining a first kinematic state measurement of a first projectile detection event from a first sensor. The first kinematic state measurement includes a first time measurement and a first state vect... | 12/27/2011 |
| 8052054 | Track quality to track error covariance A computer-implemented method for estimating track error covariance of a sensor track data in a Link 16 tactical data link network from track quality involves receiving at a computer system the sensor track data on a ballistic target including the track quality and ... | 11/08/2011 |
| 8025230 | System and method for prioritizing visually aimed threats for laser-based countermeasure engagement The present invention increases the survivability of a helicopter by prioritizing a threat engagement sequence for a laser-based countermeasure system based on the determined relative lethality of each detected visually trained threat (e.g., small arms fire). The sy... | 09/27/2011 |
| 7963442 | Spin stabilized projectile trajectory control A Reconfigurable Nose Control System (RNCS) is designed to adjust the flight path of spin-stabilized artillery projectiles. The RNCS uses the surface of a projectile nose cone as a trim tab. The nose cone may be despun by the action of aerodynamic surfaces, to zero ... | 06/21/2011 |
| 7363124 | Disperse, aggregate and disperse (DAD) control strategy for multiple autonomous systems to optimize random search A method for conducting a search of an area for targets by a number of vehicles. First each of the vehicles randomly disperses from the other vehicles. Then during an aggregate phase, each vehicle responds in a predesignated way to an encounter with one of the other... | 04/22/2008 |
| 7277558 | Method and system for estimating the position of moving objects in images A method and system are disclosed for estimating a position of moving objects in a set of image data. In accordance with exemplary embodiments of the present invention, a position of an object is identified in a first frame of image data acquired at a first time. Th... | 10/02/2007 |
| 7260456 | Pixel-frequency slews and filters for star data measurements A method and apparatus for reducing centroiding error of a star sensor having a plurality of pixels is disclosed. The method comprises the steps of computing a star sensor angular slew rate of ω pixels per star sensor integration period τ, collecting star sensor d... | 08/21/2007 |
| 7212652 | Method for tracking targets with hyper-spectral data In the present invention, the histogram model used in H-PMHT is extended to treat the problem of tracking using hyper-spectral data. Completely general spectral density functions are handled via the use of non-parametric methods. The present invention is not restric... | 05/01/2007 |
| 7173650 | Method for assisting an automated video tracking system in reaquiring a target A method for reacquiring a target in an automated video tracking system is provided. The method includes the steps of: selecting a desired target to be tracked; switching the automated video tracking system to an automatic mode to initiate a tracking sequence to aut... | 02/06/2007 |
| 7149624 | Method for determining the position of one vehicle with respect to another vehicle, in particular for motor vehicles Described herein is a method for determining the position of one vehicle with respect to another vehicle, in which the position of one vehicle with respect to the others is determined using counter means and short-range radio systems that provide for exchange of ele... | 12/12/2006 |
| 7133834 | Product value information interchange server An electronically accessible server receives, stores, and sends value information from customers. The server or other digital medium stores the value information generated by independent users. Triggers or interactions can be used to determine when value information... | 11/07/2006 |
| 7044384 | Dual usage memory card connector A dual usage memory card connector includes a housing holding a set of terminals, the housing having two spring arms disposed at two sides and movable between a first position where a MS Duo memory card is insertable into the housing and a second position where a MS... | 05/16/2006 |
| 6955296 | Gun control system A gun control system is disclosed that includes a fire control kernel and location-independent software components within the fire control kernel. The kernel provides core fire control functionality that is unaffected by changes within the external environment, such... | 10/18/2005 |
| 6496592 | Method for tracking moving object by means of specific characteristics A method for the detection and tracking of moving objects, which can be implemented in hardware computers, is described. The core of the described method is constituted by a gradient integrator (42), whose contents can be permanently refreshed with a sequ... | 12/17/2002 |
| 6467388 | Method for engaging at least one aerial target by means of a firing group, firing group of at least two firing units, and utilization of the firing group A method for engaging one or several aerial targets by means of a firing group (10) of autonomous, but cooperating, firing units (12, 112), wherein each firing group has a fire control unit (14, 114) and at least one weapon (16, 116). Several firing units... | 10/22/2002 |
| 6260759 | Method for tracking a target having substantially constrained movement A method for tracking a target having substantially constrained movement utilizes the steps of determining constrains for movement of the target, obtaining information on movement of the target, and predicting that the target will continue to move upon a ... | 07/17/2001 |
| 6186397 | Method for operating a fire-control system based on a heuristic algorithm A method of operating a fire-control system for simultaneously engaging a plurality of threats in which one plan from a pool of heuristically determined feasible plans is selected based on an environment of the fire-control system and a selected criterion... | 02/13/2001 |
| 6002358 | Method and apparatus for determining whether two radar tracks represent the same physical object An apparatus and computer-implemented method of determining a probability that a first track and a second track represent the same physical object. The apparatus and method fit a first order curve for a last n positions of the first track and the second t... | 12/14/1999 |
| 5596509 | Passive infrared bullet detection and tracking An apparatus and method for passively detecting a projectile such as, for example, a bullet using a passive infrared detector. A passive infrared detector is focused onto a region in which a projectile is expected to be located. Successive images of infra... | 01/21/1997 |
| 5541839 | Interface arrangement for data transfer between carrier aircraft and missile The interface arrangement is provided for data transfer between a carrier aircraft and a missile which is to be launched from the carrier aircraft and which includes a target seeking head. The missile is connected to the carrier aircraft through a connect... | 07/30/1996 |
| 5347910 | Target acquisition system A target acquisition system for a mobile air defense system is capable of acquiring and engaging targets in rapid sequence while mounted on a moving vehicle. It incorporates a gyrostabilized turret drive system, an optical sight, a forward looking infrare... | 09/20/1994 |
| 5347469 | Covert ranging method and system A method and system for covertly determining and predicting air-to-air target data relative to a predetermined position passively senses the target (84) to produce a passive target data set. Next, the method and system transform (14) the passive target da... | 09/13/1994 |
| 5164910 | Moving target discrimination from passive measurements A moving target discriminator uses only bearing information obtained from passive observations together with information about the movement of an observation platform to discriminate whether an object is moving. An underlying principle of the moving targe... | 11/17/1992 |
| 5107271 | Target track assessment The invention provides a method of and apparatus for determining if a newly reported target is correlatable with target tracks already stored in a data base. Correlation is effected in stages rejecting uncorrelatable stored target tracks and accepting clo... | 04/21/1992 |
| 5062056 | Apparatus and method for tracking a target Target tracking capability is provided by a synergistic tracker system (5) which includes both a correlation tracker (30) and an object tracker (40) for processing sensor data input (10) and for generating tracking error signals (80). The operation of the... | 10/29/1991 |
| 5023809 | Target tracking device A target tracking system tracks the position of a vehicle, such as a racing vehicle. An oscillator is positioned at the target to be tracked, and a transmitter is also positioned at the target for transmitting a signal generated by the oscillator. At leas... | 06/11/1991 |
| 4959800 | Method and apparatus for determining the position and velocity of a target in inertial space A method for determining the position and velocity of a target in inertial space including the steps of (a) tracking the target and providing three orthogonal velocity components in inertial space; (b) computing the scalar velocity VT of the ta... | 09/25/1990 |
| 4914604 | Processor for analyzing angle-only data An analog associative processor (12) discriminates between intersects representing targets and intersects representing ghosts from angle-only information from multiple sensors (10). The analog associative processor (12) is constructed using a multi-layer ... | 04/03/1990 |
| 4876942 | Anti-aircraft sight A sight for an anti-aircraft gun, which is manually aimed, comprises a ranging unit, a gun-fixed aiming unit and a calculating unit, preferably a computer. The ranging unit comprises means for optical aiming at the target, and devices for determination of... | 10/31/1989 |
| 4825055 | Error-free integration pointing and tracking An error-free pointing and tracking system is disclosed which separates the functions of pointing and tracking. Beginning with an initialized trajectory for an object, a sensor is positioned and deviations of the object position with respect to the sensor... | 04/25/1989 |
| 4823674 | Anti-aircraft sight A sight for an anti-aircraft gun, which is manually aimed, comprises a ranging unit, a gun-fixed aiming unit and a calculating unit, preferably a computer. The ranging unit comprises means for optical aiming at the target, and devices for determination of... | 04/25/1989 |
| 4647759 | Fire control apparatus for a laser weapon A laser weapon fire control computer apparatus for responding in real time to the escort/threat scenario that confronts the weapon. The first control computer apparatus compares the threat data with stored predicted scenarios to develop a firing strategy ... | 03/03/1987 |
| 4616127 | Fire control system for a vehicle or vessel In a fire control system for a vehicle or vessel a data processor (21) connected to the target tracking unit (7) determines, in a first coordinate system coupled to said unit (7), angular error data about a target position for aligning the tracking unit (... | 10/07/1986 |
| 4589079 | Evaluation circuit for the signals from an array of N photoconductors which are successively scanned in a fast rhythm Apparatus for evaluating signals generated by first and second spatially separated rows of photoconductors positioned with respect to a measuring plane. The outputs of the photoconductors in each of the rows is scanned by a sampling circuit at a predeterm... | 05/13/1986 |
| 4558323 | Passive ranging of an airborne emitter by a single sensor A method for the passive measurement of the range, velocity and course of a target aircraft relative to a test aircraft includes the steps of moving the test aircraft along a straight path, varying the speed of the test aircraft, and sequentially measurin... | 12/10/1985 |
| 4541323 | Warship with units connected via electronic control apparatuses Electronic control apparatuses (11, 12, 13) are provided for a warship having controlling and controlled units with a bedding (foundation) plane, with the control apparatuses forming control signals for the associated controlled units from the crude infor... | 09/17/1985 |
| 4449041 | Method of controlling antiaircraft fire A method of controlling antiaircraft fire is described in which an aircraft is tracked continuously during the flight of a burst of projectiles and the probability of a hit is continuously revised according to the latest target maneuver as the projectiles... | 05/15/1984 |
| 4409661 | Aimpoint selection processor The selection and designation of an aimpoint on a known type of target appearing in the field of view of a video tracking system imaging sensor is accomplished by (a) developing binary target patterns from quantized sensor data generated in the video trac... | 10/11/1983 |
| 4302666 | Position control system of the discontinuous feedback type A position control system is disclosed for aiming a mobile rocket launcher having positionable axes in the azimuth and elevation planes. The control system has a separate control subsystem for each axis of movement, and each such subsystem includes an ini... | 11/24/1981 |
