Method and apparatus for sending presence messages
US6956497B1 · kind B1 · utility
15Cited by
34References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 9, 1998 |
| Grant date | Oct 18, 2005 |
| Priority date | — |
| Expiry date | Oct 9, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/54
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An intentional presence system in accordance with the present invention includes a transmitting device at a first physical location that is responsive to a command intentionally initiated by a first individual at the first physical location to develop a presence signal intended for a second individual at a second physical location. The intentional presence system further includes a receiving device located at the second physical location which is receptive to the presence signal and which is operative to generate an indication to the second individual of the first individual's presence with respect to the transmitting device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.