Imaging apparatus with protecting circuit for CCD
US7830448B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 11, 2007 |
| Grant date | Nov 9, 2010 |
| Priority date | — |
| Expiry date | Jan 15, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/667
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An imaging apparatus is provided with a power source, a power supply circuit connected to the power source and having power supply lines for supplying a positive voltage and a negative voltage, an image pickup element, plural drivers for generating multi-phase driving signals and applying the generated multi-phase driving signals to the image pickup element, a discharging circuit connected in parallel with the plural drivers, and a conducting circuit for allowing unnecessary charge accumulated in the power source to discharge through the power supply circuit for a negative voltage to the discharging circuit at the time when the power source is turned off, wherein the power supply circuit for a negative voltage is connected to the plural drivers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.