Radiant energy – Invisible radiant energy responsive electric signalling – Signalling means controls incident radiation
Patent
1987-10-09
1989-05-16
Howell, Janice A.
Radiant energy
Invisible radiant energy responsive electric signalling
Signalling means controls incident radiation
378151, G01T 1185, H01J 4700
Patent
active
048312606
ABSTRACT:
A kinestatic charge detector includes a feedback control system for beam equalizing the radiation flux incident on patients of varying thickness. The control system can be an analog or digital type and controls the intensity of the radiation source or the opening of a collimator through which radiation is directed to the patient.
REFERENCES:
patent: 4641331 (1987-02-01), Makino et al.
patent: 4707608 (1987-11-01), DiBianca
Frank A. DiBianca and Marion D. Barker, "Kinestatic charge detection" Medical Physics, vol. 12, No. 3 (May/Jun. 1985) pp. 339-343.
Hannaher Constantine
Howell Janice A.
University of North Caroline at Chapel Hill
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