Patent · US Expired

Radiographic system

US4137460A · kind A · utility

8Cited by
2References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 1976
Grant dateJan 30, 1979
Priority date
Expiry dateJun 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.