| 摘要 |
An electric generating unit as a substitute for a vehicle battery includes a housing including an air pressure control member to control air pressure in an inner space of the housing, at least a diaphragm unit configured to sufficiently fluidly-insulate the inner space of the housing from outside of the housing and flexibly deformable by an inertia applied by a mass unit according to an external force so as to generate electricity, wherein the mass unit is formed on the diaphragm unit.
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