Hand crank produces backup cell-phone power

Nass, Richard
November 2003
Portable Design;Nov2003, Vol. 9 Issue 11, p31
Reports on the development of the Sidewinder, a portable cellphone charger by Innovative Solutions and Technologies Inc. Size and specifications; Use of a direct current motor to generate current; Comparison of the first and second generation chargers; Development of chargers for other types of portable systems.


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