X-ray transmission scanning system having variable fan beam geometry
US4610021A · kind A · utility
12Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 1984 |
| Grant date | Sep 2, 1986 |
| Priority date | — |
| Expiry date | Jun 13, 2004 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2235/086
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A variable width fan beam of radiation is provided in a high speed X-ray transmission system by a plurality of ring collimators with the ring collimators being mounted whereby spacing between ring collimators can be varied. In preferred embodiment an arcuate array of radiation detectors are mounted in an annular housing which functions as one of the ring collimators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.