Gas discharge panel information read-out system
US3939454A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 30, 1974 |
| Grant date | Feb 17, 1976 |
| Priority date | — |
| Expiry date | Jul 30, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C11/28
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system for reading out information in a plasma display memory panel having a set of X and a set of Y electrodes is disclosed in which a forward current is conducted through unidirectional conducting devices having a charge storage effect, for example, charge storage diodes, connected to the X or Y electrodes; a read voltage is applied to one of a selected one of the Y sets of and X electrodes; a charging current due to the read voltage is conducted through the charge storage diodes in a backward direction making use of their backward recovery time; a gas discharge current, after the charging current terminates, flows in the stray capacitance of the selected X or Y electrode, raising its potential relative to the ground potential; and the potential rise is detected to thereby effect read-out of the information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.