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US 9,432,775 B2Granted
Energy conversion apparatus
AssigneeRicoh Company, Ltd.
InventorMichiaki Shinotsuka
Life of this patent
Estimating the term…
Abstract
Provided is an energy conversion apparatus including a diaphragm on which a coil of a lead pattern is formed, a magnet substrate configured to generate a magnetic field towards the coil on the diaphragm, and a magnetic film configured to generate magnetic force between the magnetic film and the magnet substrate to support the diaphragm therebetween.
Claims10
An apparatus, comprising:
- a diaphragm on which a coil of a lead pattern is formed;
- a magnet substrate to generate a magnetic field towards the coil on the diaphragm;
- and
- a magnetic film to generate magnetic force between the magnetic film and the magnet substrate to support the diaphragm therebetween.
1 more element
Dependencies are inferred from the claim text.