Radiographic system

Details Radiographic system Radiographic system

1975-06-16

1977-04-19

Smith, Alfred E.

Radiant energy

Radiation controlling means

Shields

G21F 504, G21K 104

Patent

active

040187160

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.

REFERENCES:
patent: 3502872 (1970-03-01), Norgren
patent: 3511995 (1970-05-01), Lombardo
patent: 3518435 (1970-06-01), Kok
patent: 3581094 (1971-05-01), Peyser et al.
patent: 3643095 (1972-02-01), Shuster
patent: 3764808 (1973-10-01), Lackey et al.
patent: 3920997 (1975-11-01), Munch

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