Spot film device suitable for use with the radiographic system

Details Spot film device suitable for use with the radiographic system Spot film device suitable for use with the radiographic system

1989-04-10

1990-04-03

Church, Craig E.

X-ray or gamma ray systems or devices

Beam control

Antiscatter grid

378154, 378176, G21K 100

Patent

active

049146858

ABSTRACT:
A spot film device suitable for use with the radiographic system and having a device for carrying and oscillating a grid which serves to absorb X-rays scattered from an object to be radiographed. Rotation force generated by a motor is used not only to move the grid between radiographic and parking positions but also to oscillate the grid. This enables the grid carrier system to be made comparatively simple in construction. In addition, the grid is oscillated over a certain range by the rotation force transmitted from the motor, so that comparatively high reliability can be guaranteed in oscillating the grid.

REFERENCES:
patent: 2132774 (1938-10-01), Brown
patent: 2922046 (1960-01-01), Billin
patent: 3710106 (1973-01-01), Loncher et al.
patent: 4099063 (1978-07-01), Pury et al.
patent: 4542521 (1985-09-01), Hahn et al.
patent: 4731806 (1988-03-01), Takahara

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