System, method, and apparatus for using the sound signature of a device to determine its operability
US8155326B2 · kind B2 · utility
11Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2008 |
| Grant date | Apr 10, 2012 |
| Priority date | — |
| Expiry date | Jan 10, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M13/028
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system for monitoring the operation of one or more devices is provided. The system includes a microphone acoustically coupled to one the monitored device. An analog-to-digital-converter samples the microphone and a processor examines the resultant digital signal for the occurrence of an abnormal event.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.