Discharge energy recovery device and image forming apparatus using same
US8585168B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 22, 2011 |
| Grant date | Nov 19, 2013 |
| Priority date | — |
| Expiry date | Mar 8, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A discharge energy recovery device to recover discharge energy discharged from a piezoelectric element when the piezoelectric element is driven includes a drive voltage generator to generate a voltage to drive the piezoelectric element; a discharge voltage monitoring unit to monitor a voltage discharged from the piezoelectric element when the piezoelectric element is driven; a first current supplier to supply a current energy to operate a first load circuit when the discharged voltage is equal to or greater than a first voltage that enables driving of the first load circuit, and a second current supplier to supply a current energy to operate a second load circuit when the discharged voltage is less than the first voltage and equal to or greater than a second voltage that enables driving of the second load circuit by monitoring the currently discharged voltage using the discharge voltage monitoring unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.