Radiography

Details Radiography Radiography

1977-05-23

1978-10-31

Church, Craig E.

Radiant energy

With charged particle beam deflection or focussing

With target means

250355, 250445T, H05G 130

Patent

active

041236599

ABSTRACT:
In a radiographic apparatus in which a scanning X-ray tube is used it is desirable to properly relate the scanning of the X-ray origin with other scanning motions of the apparatus. In this arrangement a scan progress detector is inserted partly into the radiation to detect its scan motion. In one eXample it is a collimator block to provide a sinusoidal output as the scan progresses. Pulses derived from the sinusoid are compared with signals representing an ideal scan and the differences between them used to correct the source scan control.

REFERENCES:
patent: 2946892 (1960-07-01), Bas Taymaz
patent: 3838284 (1974-09-01), McIntyre
patent: 4039807 (1977-08-01), Bull

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