Portable computer for short-range graphical multiparty communication
US5408250A · kind A · utility
39Cited by
13References
35Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 30, 1993 |
| Grant date | Apr 18, 1995 |
| Priority date | — |
| Expiry date | Aug 30, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0096
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A portable device for silent graphical communication. The device has a display screen on which a user may scribble notes and information using a stylus. These notes, which are then broadcast by the device, are received by other similar devices and displayed on the screens of the other devices. User of the other devices can respond to the received information by scribbling their own notes. The ensuing conversations may be password protected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.