Fault tolerant multipoint control and data collection system
US5687391A · kind A · utility
12Cited by
21References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1995 |
| Grant date | Nov 11, 1997 |
| Priority date | — |
| Expiry date | Jun 30, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M13/045
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A multipoint data collection system uses multiple parallel data buses connecting a central controller to addressable sensor interfaces to permit any sensor to be connected to a central controller over any one of the data buses. Both ends of each data bus are connected to the central controller, allowing sensor interfaces to be addressed even if all data buses are cut. Faults on a data bus and defective sensor interfaces may be bypassed through one or more bypass buses that may be addressably switched into use as desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.