X-ray apparatus with focus position control
US4675891A · kind A · utility
48Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1985 |
| Grant date | Jun 23, 1987 |
| Priority date | — |
| Expiry date | Jun 25, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J35/24
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to an X-ray apparatus with focus position control, the focus being formed on the anode of an X-ray tube with magnetic bearings. The X-ray apparatus comprises a focus position sensing device cooperating with electronic means associated with the magnetic bearings, in order to control the position of the focus by displacing a rotor under the action of the magnetic bearings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.