Method and apparatus for indicating a changed condition
US5371487A · kind A · utility
47Cited by
29References
44Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1993 |
| Grant date | Dec 6, 1994 |
| Priority date | — |
| Expiry date | Nov 10, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C5/0825
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Systems for diagnosing fault conditions in a plurality of inputs are useful in many applications. Advantageously, such systems allow troubleshooting by a single technician. The subject invention includes a plurality of sensors for producing sensor signals, each of the sensor signals indicating one of plurality of states of a parameter. A device is included to indicate that one or more of the sensor signals has changed states.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.