X-ray tube transient noise suppression system

Details X-ray tube transient noise suppression system X-ray tube transient noise suppression system

1990-12-18

1992-10-27

Church, Craig E.

X-ray or gamma ray systems or devices

Electronic circuit

For electrode movement

378101, 378111, 378131, H05G 166

Patent

active

051596970

ABSTRACT:
An X-ray imaging apparatus has a vacuum tube with an envelope that contains an anode, a cathode and a filament. A motor has a rotor mechanically connected to the anode inside the envelope and a stator on the exterior of the envelope. The vacuum tube and the motor are enclosed in an electrically conductive casing which are grounded. A grounded shield of a conductive material is placed between the stator and the envelope to suppress high voltage discharges within the envelope from producing currents in a winding of the stator. Low pass filters are placed in series with each conductor between the vacuum tube and a power supply to suppress radio frequency signals produced by the high voltage discharges from being carried over the conductors.

REFERENCES:
patent: 2890358 (1959-06-01), Cummings
patent: 3069548 (1962-12-01), Bavor et al.
patent: 3197719 (1965-07-01), Wells
patent: 3325645 (1967-06-01), Splain
patent: 3636355 (1972-01-01), James et al.
patent: 4065673 (1977-12-01), Fiocca
patent: 4333011 (1982-06-01), Mester

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