Data transmission system
US5619425A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Mar 17, 1995 |
| Grant date | Apr 8, 1997 |
| Priority date | — |
| Expiry date | Mar 17, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10H2220/011
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The memory device 13 in the center 3 stores a plurality of information data categorized in a plurality of genres. The input device 43 of the terminal 5 selects an information data desired to be obtained, out of the plurality of information data stored in the memory device 13. The control portion 41 in the terminal 5 receives the desired information data and reproduces the desired information, when the desired information data is of a genre the terminal is contracted for. The control portion 41 does not reproduce the desired information or reproduces the desired information in a manner so that the user may not obtain when the desired information data is out of the genre the terminal is contracted for.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.