Electrolytic display cell and control therefor
US4306775A · kind A · utility
4Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 1979 |
| Grant date | Dec 22, 1981 |
| Priority date | — |
| Expiry date | Jun 8, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/163
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Apparatus for controlling an electrolytic display cell comprising a supplementary reference electrode in the cell, means for measuring the impedance of the cell across this electrode and means for making at least one of these magnitudes dependent on the impedance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.