X-ray image intensifier tube with circuit to compensate for the

Details X-ray image intensifier tube with circuit to compensate for the X-ray image intensifier tube with circuit to compensate for the

1989-06-29

1990-07-31

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

315371, H01J 3150

Patent

active

049452231

ABSTRACT:
To compensate for the effects of magnetic distortion in an X-ray image intensifier tube, the mode of scanning the target of the television camera associated with this tube is modified. Shifts, corresponding to measured distortions, are caused in the line scan and the vertical scan. In this way, an image which can be used in morphometry is restored on a display screen.

REFERENCES:
patent: 3809889 (1974-05-01), McBroom
patent: 4063134 (1977-12-01), Iida
patent: 4328418 (1982-05-01), Morgan et al.
patent: 4456853 (1984-06-01), Robinder et al.

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