Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Application No. | Application Title | Issue Date |
| 20120029812 | METHOD AND SYSTEM FOR AUTOMATICALLY PLANNING AND SCHEDULING A REMOTE SENSING SATELLITE MISSION The present invention provides method and system for automatically planning and scheduling a remote sensing satellite mission. A swath coverage of a remote sensing satellite at a specified time interval is determined from a ground station. Thereafter, a set of points-of... | 02/02/2012 |
| 20110246069 | Method for determining the trajectory of a ballistic missile A method for determining the trajectory of a ballistic missile using elevation and azimuth angle measurements comprises a step for determining, at different instants when the ballistic missile is in unpropelled exoatmospheric phase, an azimuth angle and an elevation ang... | 10/06/2011 |
| 20100289697 | METHOD AND DEVICE FOR PREDICTING GNSS SATELLITE TRAJECTORY EXTENSION DATA IN MOBILE APPARATUS A method and device for predicting satellite trajectory extension data in a mobile apparatus. The device in accordance with the present invention comprises an I/O interface and a microprocessor. The input/output (I/O) interface is used for obtaining at least one satelli... | 11/18/2010 |
| 20100228481 | Image navigation and registration accuracy improvement using parametric systematic error correction A novel Parametric Systematic Error Correction (ParSEC) system is disclosed which provides improved system accuracy for image navigation and registration (INR). This system may be employed in any suitable imaging system and, more specifically, to all imaging systems tha... | 09/09/2010 |
| 20100228480 | SPACE SATELLITE TRACKING AND IDENTIFICATION A Space Tracking and Identification (STI) method and system uses low-cost identification and location beacon devices situated on each satellite. Preferably, these beacon devices are substantially independent of the mission-specific and satellite-specific navigation and ... | 09/09/2010 |
| 20100198512 | METHOD AND APPARATUS FOR PROVIDING RELIABLE EXTENDED EPHEMERIS QUALITY INDICATORS The present invention is related to location positioning systems, and more particularly, to a method and apparatus for providing reliable extended ephemeris information and indicators of quality. According to one aspect, the invention employs a concept of Approximate Ac... | 08/05/2010 |
| 20100145616 | COMPUTING LONG TERM ORBIT AND CLOCK MODELS WITH VARIABLE TIME-HORIZONS A method and apparatus for determining long term orbit (LTO) models using variable time-horizons to improve the orbit and clock model accuracy. The method and apparatus use either historic ephemeris or historic measurements for at least one satellite to produce an orbit... | 06/10/2010 |
| 20090204324 | Device and Method for Orbit Determination and Prediction of Satellites Providing Signals to Users A device and method for orbit prediction of satellites are provided. An accelerometer measures non-gravity forces acting on a satellite. A processor receives measured non-gravity forces from the accelerometer, estimates the contributions of the measured non-gravity forc... | 08/13/2009 |
| 20090201196 | METHOD AND APPARATUS FOR GENERATING AND DISTRIBUTING SATELLITE TRACKING INFORMATION A method and apparatus for generating and distributing satellite tracking data to a remote receiver is disclosed. The method for includes extracting from satellite-tracking data initial model parameters representing a current orbit of at least one satellite-positioning-... | 08/13/2009 |
| 20090135061 | METHOD AND DEVICE FOR PREDICTING GNSS SATELLITE TRAJECTORY EXTENSION DATA USED IN MOBILE APPARATUS A method and device for predicting satellite trajectory extension data used in a mobile apparatus. The device in accordance with the present invention comprises an I/O interface and a microprocessor. The input/output (I/O) interface is used for obtaining at least one sa... | 05/28/2009 |
| 20090048780 | Methods and apparatus for planetary navigation A method of navigating a space vehicle. An image of a planet surface is received. The received image is processed to identify edge pixels and angle data. The edge pixels and angle data are used to identify planetary features by shape, size, and spacing relative to other... | 02/19/2009 |
| 20080288168 | Method for Determining the Position of Satellites in a Navigation System This invention relates to a method for determining the position of satellites in a satellite navigation system. The method uses satellite position data (42) external to the navigation system and referenced in a coordinate system rela... | 11/20/2008 |
| 20080275598 | Trajectory Estimation System for an Orbiting Satellite In one embodiment of the disclosure, a computing system includes a processor and a computer readable medium. The computer readable medium is operable to, when executed on the processor, determine an estimated trajectory of a satellite using a sequential mode of operatio... | 11/06/2008 |
| 20080189037 | METHOD AND APPARATUS FOR DECOMPRESSION OF COMPRESSED LONG-TERM-ORBIT DATA A method and apparatus for processing long-term-orbit data that is valid for an extended period of time into the future (i.e., long-term-orbit data). The long-term-orbit data is processed by reducing redundant information from the data to form compressed long-term-orbit... | 08/07/2008 |
| 20080154502 | SATELLITE NAVIGATION USING LONG-TERM NAVIGATION INFORMATION An improved approach to satellite-based navigation (e.g., GPS) is provided. In one embodiment, a method includes receiving a first set of tracking information. A nominal orbital path for the navigation satellite is determined using the first set of tracking information.... | 06/26/2008 |
| 20080133135 | ULTRA-TIGHTLY COUPLED GLOBAL NAVIGATION SATELLITE SYSTEM SPACE BORNE RECEIVER SYSTEM A GNSS ultra-tight coupling (UTC) receiver architecture applicable to space borne orbit platforms is described. A receiver in accordance with this architecture retains the rotational motion sensors typically found in an inertial measurement unit (IMU) of a conventional ... | 06/05/2008 |
| 20080125971 | METHOD AND APPARATUS FOR IMPROVING ACCURACY AND/OR INTEGRITY OF LONG-TERM-ORBIT INFORMATION FOR A GLOBAL-NAVIGATION-SATELLITE SYSTEM A method and apparatus for monitoring a configuration of satellites to maintain integrity of LTO information in a GNSS receiver of a GNSS or other positioning system is described. The method may include obtaining broadcast ephemeris transmitted from at least one satelli... | 05/29/2008 |
| 20080114546 | Image navigation and registration accuracy improvement using parametric systematic error correction A novel Parametric Systematic Error Correction (ParSEC) system is disclosed which provides improved system accuracy for image navigation and registration (INR). This system may be employed in any suitable imaging system and, more specifically, to all imaging systems tha... | 05/15/2008 |
| 20080027595 | Optimizing initial inclinations and RAANs of a satellite constellation A method for minimizing the amount of propellant required to be carried onboard the satellites of an Earth orbiting satellite constellation to maintain the minimum angle of elevation between a selected geographical area of the Earth and at least one satellite of the con... | 01/31/2008 |
| 20070299609 | Method and system for ephemeris extension for GNSS applications Methods and devices for calculating long-validity satellite prediction data, compacting such data and providing the data GNSS receivers are presented. The data are compacted using a multistage compaction approach which takes physical models into account and produces an ... | 12/27/2007 |
| 20070273579 | Method and device for relative time and position determination for moving objects based on one-way and two-way measurements In a method for relative time and position determinations for moving objects of a constellation, signals by the objects are isochronously transmitted, with each object transmitting a unique signal for that object. The received signals of each object of the constellation... | 11/29/2007 |
| 20070260399 | Method and apparatus for generating and distributing satellite tracking information A method and apparatus for generating and distributing satellite tracking data to a remote receiver is disclosed. The method for includes extracting from satellite-tracking data initial model parameters representing a current orbit of at least one satellite-positioning-... | 11/08/2007 |
| 20070250267 | Delta-V-free satellite cloud cluster flying A system and method is provided for establishing a substantially delta-V-free three-dimensional atomic satellite cloud cluster. In one embodiment, a satellite cloud cluster system comprises a plurality of satellites maintaining a three-dimensional periodic motion relati... | 10/25/2007 |
| 20070050102 | Space based navigation system The invention is a spaced based navigation system for guiding a spacecraft. In detail, the navigation system includes at least two Doppler range/range rate satellites positioned at LaGrangian stability points between first and second planetary bodies wherein the first p... | 03/01/2007 |
| 20060235614 | Method and Apparatus for Automatic Identification of Celestial Bodies According to one embodiment of the present invention, an apparatus for automatic identification of celestial bodies comprises an imager and logic encoded in media. The imager is operable to accept incoming light from celestial bodies and produce a digital image. The log... | 10/19/2006 |
| 20060136103 | Low earth orbit satellite command planning device and method, and low earth orbit satellite control system including the same Disclosed is a command planning apparatus of a low-earth orbit satellite, and a low-earth orbit satellite control system including the same. The present invention automates the process of executing the command plan for converting the satellite task schedule planned on t... | 06/22/2006 |
| 20060122776 | Backtrack orbit search algorithm A method of searching an inventory of satellite remote sensing data for data granules, scenes, or images that cover a specified area of interest whereby each data granule is indexed to the relevant ascending equatorial crossing of the satellite. Representative points in... | 06/08/2006 |
| 20060012514 | Satellite navigation method The invention concerns a satellite navigation method for determining the position of the receiver (1) by determining the signal travel time between the satellites (3, 4) and the receiver (1). Said method is characterized in that either the times of ... | 01/19/2006 |
