Collective charge reading and injection in random access charge transfer devices
US5717199A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 26, 1996 |
| Grant date | Feb 10, 1998 |
| Priority date | — |
| Expiry date | Jan 26, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/443
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Random access charge transfer devices are provided in which it is possible to simultaneously read electric charge that is stored within each detection element (pixel) that is in one of any desired combination of columns and that is also in one of any desired combination of rows. It is also possible to simultaneously read electric charge stored within each detection element or pixel in at least one selected column or row. In addition, it is possible to simultaneously cause injection of some or all of the electric charge stored in each detection element in one of any desired combination of columns and also in one of any desired combination of rows, or to simultaneously cause injection of some or all of the electric charge stored in each detection element in at least one selected column or row. In certain embodiments, a plurality of pre-amplifiers are connected to the column or row electrodes of the charge transfer device, for simultaneously producing a plurality of outputs, each output corresponding to the electric charge stored within at least one detection element or pixel in a single column or row, and a summation amplifier is provided having a feedback loop that is connected into…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.