X-ray or gamma ray systems or devices – Beam control – Antiscatter grid
Patent
1984-04-30
1987-02-24
Church, Craig E.
X-ray or gamma ray systems or devices
Beam control
Antiscatter grid
378154, G21K 104, G03B 4116
Patent
active
046463402
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.
REFERENCES:
patent: 2132774 (1938-10-01), Brown
patent: 2208265 (1940-07-01), Kizaur
patent: 2767323 (1956-10-01), Stava et al.
Church Craig E.
Schechter Marc D.
U.S. Philips Corporation
Wieland Charles
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