Near field or far field imaging apparatus with improved resolution
US4262207A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 20, 1979 |
| Grant date | Apr 14, 1981 |
| Priority date | — |
| Expiry date | Apr 20, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01T1/2914
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
In imaging apparatus comprising a slit collimator, means for imparting to the collimator a basic movement through a succession of different positions relative to a source of radiation, detector means for providing measurements of the radiation passing through the collimator in each of the positions, and means for processing data from the succession of measurements to gain information about the source, that improvement comprising means for superimposing upon the basic movement of the collimator a cyclic lateral movement of the collimator and the detector means transverse both to the direction of radiation transmission through the collimator and to the walls of the collimator defining the slits, and means for making a succession of such measurements during each cycle of the lateral movement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.