Method of and apparatus for providing existential presence acknowledgement
US5471616A · kind A · utility
36Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 1992 |
| Grant date | Nov 28, 1995 |
| Priority date | — |
| Expiry date | May 1, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2201/86
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Method of, and apparatus for, providing automatic detection of the physical presence of a user of a data processing system. The present invention comprises an Event Detection Process, a Presence Detection Process, and an Interrogator Process. The Event Detection Process detects presence indicating events. The Presence Detection Process evaluates the presence indicating events to determine the physical presence of a user or someone else other than a user. The Interrogator Process provides an interface to a requesting user and formulates appropriate queries to be sent to one or more Presence Detection Processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.