Data communication system capable of communicating on-line with communication terminal equipment of a plurality of types
US5095445A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 22, 1990 |
| Grant date | Mar 10, 1992 |
| Priority date | — |
| Expiry date | Aug 22, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S379/905
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A data transmission system avoids charging of line utilization fees when it is attempted to send data to a destination incapable of receiving the data and can be readily operated even by an operator having little technical knowledge. By storing function information relating to the terminals of a plurality of parties, the system automatically determines prior to transmission whether data is capable of being transmitted to a destination. On the basis of the function information and the data to be transmitted, a list of parties which are and are not capable of receiving a transmission is displayed on a CRT, thereby enabling the operator to visually identify in advance which parties can and cannot be sent data. The system makes it possible to identify at least the form of data to be transmitted and to display the list of parties which are and are not capable of receiving a transmission.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.