X-ray diagnostics installation for radiographs

Details X-ray diagnostics installation for radiographs X-ray diagnostics installation for radiographs

1987-07-21

1989-02-07

Fields, Carolyn E.

X-ray or gamma ray systems or devices

Beam control

Antiscatter grid

378 97, 378154, G21K 102

Patent

active

048037168

ABSTRACT:
An x-ray diagnostics installation for radiographs has a secondary radiation grid disposed in front of a holder for x-ray film. The secondary radiation grid is moveable during an exposure. Control circuitry controls the speed of movement of the secondary radiation grid dependent on the anticipated exposure time, such that imaging of the lamellae of the secondary radiation grid on the x-ray film is reliably prevented for all exposure times.

REFERENCES:
patent: 4096391 (1978-06-01), Barnes
patent: 4250103 (1981-02-01), Vatne et al.
patent: 4646340 (1987-02-01), Bauer
Siemens Brochure "Every Modern Radiographic Technique With The Mammomat", undated.

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