Method and apparatus for sensing the state of an electrophoretic display
US6512354B2 · kind B2 · utility
386Cited by
19References
29Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 8, 1999 |
| Grant date | Jan 28, 2003 |
| Priority date | — |
| Expiry date | Jul 8, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/60
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method for sensing the state of an electrophoretic display includes the steps of applying an electrical signal to a display element, measuring an electrical response for the display element, and deducing the state of the display element from the measured electrical response.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.