Method of extending the life of a multiple filament x-ray tube

Details Method of extending the life of a multiple filament x-ray tube Method of extending the life of a multiple filament x-ray tube

1997-08-20

1999-05-04

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378134, 378207, H01J 3506

Patent

active

059011971

ABSTRACT:
Methods for extending the life of an X-ray tube having at least two filaments which are individually energizable in which the filaments are successively energized either for a predetermined number of exposures or based on a predetermined passage of time, and methods for predicting imminent failure of still functioning filaments.

REFERENCES:
patent: 3649861 (1972-03-01), Atlee et al.
patent: 4685118 (1987-08-01), Furbee et al.
patent: 4799248 (1989-01-01), Furbee et al.

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