Automatic system for precise collimation of radiation

Details Automatic system for precise collimation of radiation Automatic system for precise collimation of radiation

1974-05-06

1976-03-30

Borchelt, Archie R.

Radiant energy

Radiation controlling means

Shields

250511, G21F 504

Patent

active

039476898

ABSTRACT:
A radiographic system comprising a radiation source disposed to direct a beam of radiation through an adjustable aperture in an aligned beam-limiting device and onto an image receptor located at a selected distance from the source, and automatic means for making a unidirectional final adjustment of the aperture to provide the beam with a cross-sectional area which conforms to the size of the image receptor at the selected distance from the source.

REFERENCES:
patent: 2921202 (1960-01-01), Berger et al.
patent: 3130313 (1964-04-01), Tilling
patent: 3502872 (1970-03-01), Norgren
patent: 3502878 (1970-03-01), Stewart et al.
patent: 3511995 (1970-05-01), Lombardo
patent: 3581094 (1971-05-01), Peyser et al.
patent: 3643095 (1972-02-01), Shuster

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