Knock sensor diagnostic system
US5421191A · kind A · utility
6Cited by
7References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 1993 |
| Grant date | Jun 6, 1995 |
| Priority date | — |
| Expiry date | Mar 8, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L23/225
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A knock sensor diagnostic circuit for use in an automobile by using the reciprocal electromechanical properties of resonators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.