Multi-displays electronic book having a retractable display
US8385059B2 · kind B2 · utility
1Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2010 |
| Grant date | Feb 26, 2013 |
| Priority date | — |
| Expiry date | Apr 9, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2300/026
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A multi-displays electronic book having a retractable display, including a first display; a reel device, installed at one side of the first display, having a rotatable axle; and a flexible second display, having a first side and a second side opposing to each other, the first side being fixed at the rotatable axle, and the second side providing a force application end for spreading the flexible second display on the first display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.