Alert message communication system
US4371871A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 30, 1981 |
| Grant date | Feb 1, 1983 |
| Priority date | — |
| Expiry date | Jan 30, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/153
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A communication network (20) capable of providing a subscriber originated alert message to other designated subscribers (80B, 162, 164, 80C, 166, 168) in the network (20) which have been selected by the message originator (80A, 82). Both the content of the alert message and the designated recipients may be readily varied at will by the subscriber via a keyboard (82A) which is associated with a video display device (82B). The telephone type distribution network (20) includes a plurality of switch nodes (22-38) at different geographic locations which are interfaced with the various subscriber keystations (82, 160, 164, 166, 168) through keystation or terminal controllers (80). Each terminal controller has display control logic (304) including local display storage (310-318) for locally storing retrievable data displays (310-316) and alert message displays, (318) directed to that controller (80). Each keystation (82) has a locally storable control page containing message routing control signals corresponding to different subscriber designated keystation recipient groups, with each designated controller (80) having a unique address code in that group. These control pages are locally st…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.