Magnetic resonance apparatus
US5577504A · kind A · utility
18Cited by
10References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 1994 |
| Grant date | Nov 26, 1996 |
| Priority date | — |
| Expiry date | Sep 19, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/422
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In a magnetic resonance apparatus including an active noise reduction arrangement (9, 49, 51, 53) for use by a patient (5) undergoing examination in the apparatus the transducers (25, 31) of the arrangement are non-magnetic, e.g. are of the electret, piezoelectric or condenser type, and have no parts of ferromagnetic material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.