Radiographic system
US4137460A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1976 |
| Grant date | Jan 30, 1979 |
| Priority date | — |
| Expiry date | Jun 17, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05G1/26
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A radiographic system comprising an X-ray source disposed to direct an X-ray beam through an adjustable shutter aperture in an aligned collimator and onto an image receptor in a holder located at a preselected distance from the source; and automatic means for preventing an X-ray exposure until prescribed operating conditions have been satisfied, the automatic means including a readily interchangeable read-only-memory module for storing the prescribed conditions therein and ascertaining whether or not the prescribed conditions have been met.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.