Bus node
US7624219B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2007 |
| Grant date | Nov 24, 2009 |
| Priority date | — |
| Expiry date | Dec 15, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2012/40254
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention relates to an apparatus for connection to a communication bus, in particular an apparatus for encoding the status of several emergency devices for communication across an AS-interface. A data code indicative of a collective state of one or more subsets of the emergency devices is communicated during cyclic communication from the slave to the master whereas information indicative of the individual states of the emergency devices is communicated during acyclic communication from the slave to the master.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.