Image pickup device providing decreased image lag
US5376782A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 1993 |
| Grant date | Dec 27, 1994 |
| Priority date | — |
| Expiry date | Mar 3, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/18
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
When a forward or reverse voltage is applied to two diodes 1 and 2 connected in series in the same direction, the junction CP of the two diodes is switched for a comparatively low-impedance state to a high-impedance state or vice versa, so that a photoelectric transducer 3 connected to the junction CP is brought to either a reset or storage state. With an improved image pickup device having this construction, the impedance at the junction CP can definitely be held at low level in all instances without being influenced by the amount of illumination on the photoelectric transducer 3, whereby it can be saturated within a predetermined reset time so as to prevent the generation of residual charges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.