Multi energy system for x-ray imaging applications

Details Multi energy system for x-ray imaging applications Multi energy system for x-ray imaging applications

1994-03-18

1996-02-06

Porta, David P.

X-ray or gamma ray systems or devices

Electronic circuit

X-ray source power supply

378 92, 378112, H05G 108

Patent

active

054901960

ABSTRACT:
In an all electronic multi energy system at least two levels of x-ray energy are produced sequentially and rapidly at independently controllable and different power or flux levels. In the system there are a triode x-ray tube which selects the operating current of the system and a series connected temperature limited diode or triode which controls the voltage across the first x-ray tube. This system provides improved performance in x-ray imaging applications at low cost, for example, in baggage inspection or measurements of bone densities and medical fluoroscopy. The objective of the system is to produce a maximum amount of useful information with a minimum amount of exposure for the patient or object to be illuminated by x-ray flux. With human patients this is desirable for health safety reasons; for baggage inspection, to reduce exposure to photographic films.

REFERENCES:
patent: 4047036 (1977-09-01), Smith et al.
patent: 5107528 (1992-04-01), Asahina et al.

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