Patent · US Expired

Radiographic system

US4018716A · kind A · utility

1Cited by
7References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 16, 1975
Grant dateApr 19, 1977
Priority date
Expiry dateJun 16, 1995

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 read-only-memory means 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.