Patent · US Expired

Scatter radiation grid drive

US4646340A · kind A · utility

6Cited by
3References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 30, 1984
Grant dateFeb 24, 1987
Priority date
Expiry dateApr 30, 2004

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B6/06
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The invention relates to a scatter grid drive for oscillating a scatter grid back and forth during an exposure. The reversal point, at which the direction of movement of grid is reversed, is passed so quickly that there is little risk of imaging the grid in the radiograph.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.