Automated data transmission system
US5193111A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 1992 |
| Grant date | Mar 9, 1993 |
| Priority date | — |
| Expiry date | Jan 6, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M11/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for controlling the transmission of data, via a telephone network (20), between a first location (2,14,16) where data is collected and a central station (22). Data transmission is effected by: collecting and storing data (24-36) at the first location (2); providing an indication (42) of the current time at the first location; storing, at the first location, an indication (30) of a selected time which is after the present time and an indication (32-36) of selected ones of the plurality of data types; comparing (42) the indication of the present and selected times and establishing a connection (56), via the telephone network (20), from the first location (2,14,16) to the central station (22) when the present time becomes later than the selected time; and effecting a communication, via the connection, which includes a first transmission (56) of the selected ones of the stored data type from the first location (2,14,16) to the central station (22) and a second transmission (58 ), from the central station (22) to the first location (2,14,16), of an indication of a new selected time, and identification of the data to be collected and the locations from which that d…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.