Method and apparatus for calibrating transducer/amplifier systems
US5014229A · kind A · utility
76Cited by
10References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 8, 1989 |
| Grant date | May 7, 1991 |
| Priority date | — |
| Expiry date | Feb 8, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L25/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention improves the accuracy of waveshape measurements and transducers. Specifically, it is a method and apparatus which calibrates a system, which comprises transducers, amplifiers, filters and analog-to-digital converters, by digitally removing phase and amplitude errors over a frequency spectrum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.