A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Application No. | Application Title | Issue Date |
| 20070044837 | Nanosatellite solar cell regulator A solar cell regulator in a nanosatellite includes a pulse width modulated DC-DC boost converter and a peak power tracking controller for converting solar cell power to bus power for charging of system batteries and powering loads while the controller controls the pulse... | 03/01/2007 |
| 20070034247 | Rectenna solar cell hybrid panel and hybrid photovoltaic power generation system The description relates to a rectenna solar-battery hybrid panels that not only receive electric power transmitted by microwaves after the electric energy has been generated from sunlight, but also gain sunlight energy on the open faces of the panels, and to hybrid sola... | 02/15/2007 |
| 20060201547 | Weather management using space-based power system Space-based power system and method of altering weather using space-born energy. The space-based power system maintains proper positioning and alignment of system components without using connecting structures. Power system elements are launched into orbit, and the free... | 09/14/2006 |
| 20060185726 | Space-based power system A space-based power system. The system maintains proper positioning and alignment of system components without using connecting structures. Power system elements are launched into orbit, and the free-floating power system elements are maintained in proper relative align... | 08/24/2006 |
| 20060137736 | Support system and program for installing photovoltaic power generator A support system for installing a photovoltaic power generator with photovoltaic modules comprising: calculation means for calculating an installation area of the modules on the basis of geographic information. ... | 06/29/2006 |
| 20050022858 | Compact micro-concentrator for photovoltaic cells A reflector array comprises a plurality of partial parabolic reflectors arranged in rows and columns with each reflector directing radiation to a receiver or from a transmitter located at the focus of the reflector. In a compact photovoltaic cell arrangement, each cell ... | 02/03/2005 |