Power generating device, electronic apparatus, and transportation apparatus
US8604673B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2011 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Jan 10, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N30/306
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power generating device which includes a transformation member that is transformed by receiving a transformation force in a transformation direction, a first piezoelectric device that is disposed on the transformation member, a second piezoelectric device that is disposed on the transformation member, an inductor comprising a resonance circuit including the first piezoelectric device, a switch that is disposed in the resonance circuit, and a control unit that controls the switch to be in a conductive state for a predetermined period by detecting a voltage generated in the second piezoelectric device as the second piezoelectric device is transformed in response to the transformation force being applied to the transformation member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.