Read-out apparatus for a luminescent storage screen

Details Read-out apparatus for a luminescent storage screen Read-out apparatus for a luminescent storage screen

1989-04-03

1990-11-27

Howell, Janice A.

Radiant energy

Automatic/serial detection of similar sources

2504841, G01D 1514

Patent

active

049731343

ABSTRACT:
An apparatus for reading out the latent image stored in a luminescent storage screen includes a storage screen having a stimulible phosphor layer and a layer of magnetic material, a scanning system which conducts a line-by-line scanning of the screen with a scan beam so that the luminescent storage screen is induced to luminesce pixel-by-pixel, and a conveyor system for moving the storage screen through the scan beam which includes a magnetic drive drum at least in the region of the scan beam. The magnetic drum by interaction with the magnetic layer of the storage screen holds the screen in place during a line scan, and is then rotated to advance the screen for the next line scan.

REFERENCES:
patent: 1444999 (1923-02-01), Bennett et al.
patent: 4417260 (1983-11-01), Kawai et al.

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