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Plainsboro, NJ, United States

Patent
Princeton Satellite Systems | Date: 2012-06-08

This invention is a solar-powered charging station for electric and hybrid vehicles. A vehicle parks at a space with the charging station and uses a credit card, debit card, cash, smart card or network connection to a database like EZ-Pass to pay for the space and the electricity. The station automatically charges the vehicle as long as it is connected to the station. The station automatically stops charging when the vehicle is fully charged. The customer only pays for the space and the electricity consumed. If the charging circuit is broken the customer must reinsert the smart card or credit card to restart charging. Sufficient funds are removed from the payment method on initiation of charging. Any money not used for charging is put back onto the smart card or account if the user reinserts it prior to leaving.


Patent
Princeton Satellite Systems and Princeton University | Date: 2013-05-10

A system and method for producing and controlling high thrust and desirable specific impulse from a continuous fusion reaction is disclosed. The resultant relatively small rocket engine will have lower cost to develop, test, and operate that the prior art, allowing spacecraft missions throughout the planetary system and beyond. The rocket engine method and system includes a reactor chamber and a heating system produce fusion reactions the stable plasma. Magnets produce a magnetic field that confines the stable plasma. A fuel injection system and a propellant injection system are included. Cold propellant into a gas box for converting a cold propellant into a warm propellant plasma at one end of the reactor chamber. The propellant and fusion products are directed out of the reactor chamber through a magnetic nozzle and are detached from the magnetic field lines producing thrust.


Patent
Princeton Satellite Systems | Date: 2012-08-29

A route finding system comprising a memory, GPS device, library of maps, an optimization algorithm and means for capturing user input and outputting data. The user input includes points, goals, constraints and relative preferences. Goals and constraints include characteristics of the route such as the type of road, number of turns, and traffic. The relative preferences are converted into numerical weights, positive or negative. In addition, the system integrates social networks ratings and comments to further enhance route selection.


The invention is for a sensor for use in spacecraft navigation and communication. The system has two articulated telescopes providing navigation information and orientation information as well providing communications capability. Each telescope contains a laser and compatible sensor for optical communications and ranging, and an imaging chip for imaging the star field and planets. The three optical functions share a common optical path. A frequency selective prism or mirror directs incoming laser light to the communications and ranging sensor. The Doppler shift or time-of-flight of laser light reflected from the target can be measured. The sensor can use the range and range rate measured from the incoming laser along with measurements from the imaging chip to determine the location and velocity of the spacecraft. The laser and laser receiver provide communications capability.


Grant
Agency: National Aeronautics and Space Administration | Branch: | Program: SBIR | Phase: Phase I | Award Amount: 95.34K | Year: 2010

The Low Energy Mission Planning Toolbox is designed to significantly reduce the resources and time spent on designing missions in multi-body gravitational environments. It provides a means for quickly planning low energy missions that take advantage of multi-body gravitational environments. The high-speed, efficient process will allow rapid comparison between low energy methods (e.g. ballistic lunar capture transfer trajectories) and their direct counterparts (e.g. Hohmann transfers). The tools leverage recent research on low energy mission design methods to produce algorithms that are stable, hold potential for automation in certain situations, and can be easily interfaced with the NASA open source mission planing tool GMAT.

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