Personal information display system for serving large capacities of general information to user-designated stations at user-designated times
US5721942A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Nov 13, 1991 |
| Grant date | Feb 24, 1998 |
| Priority date | — |
| Expiry date | Nov 13, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F15/0225
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A personal information display system is provided with a portable information display device for reading information to be used from a storage medium, a communication network for transmission of information, input/output apparatus for input/output of information, an input/output control apparatus connected between the communication network and the input/output apparatus, an information control apparatus having a hierarchical memory connected to the communication network, and an information output apparatus connected to the information control apparatus to transfer information to the storage medium of the portable information display device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.