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US 2019/0199188 A1Published application
Vibration power generator
AssigneeFutaba Corporation
InventorShotaro KUDO
Life of this patent
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Abstract
A vibration power generator includes a coil attached to a frame and a moving body that is supported on the frame through a spring and has a magnet facing the coil, and relatively moves the moving body with respect to the coil to generate electric power. The moving body has the magnet, a yoke material that is attached to the magnet and forms a magnetic circuit, and a weight member. Average specific gravity of the moving body is 8 g/cm3 or more.
Claims20
A vibration power generator comprising:
- a coil attached to a frame;
- and
- a moving body that is supported on the frame through a spring and has a magnet facing the coil,
- the vibration power generator relatively moving the moving body with respect to the coil to generate electric power,
- wherein the moving body has
- the magnet,
- a yoke material that is attached to the magnet and forms a magnetic circuit, and
- a weight member, and
- wherein average specific gravity of the moving body is 8 g/cm3 or more.
6 more elements
Dependencies are inferred from the claim text.