Fail transparent LCD display with backup
US4371870A · kind A · utility
113Cited by
6References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 2, 1980 |
| Grant date | Feb 1, 1983 |
| Priority date | — |
| Expiry date | Sep 2, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S345/904
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display system is constructed such that upon failure of the primary display which comprises a Liquid Crystal Display (LCD) that becomes transparent upon failure, a backup display located directly beneath the primary display becomes visible to the display user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.