X-ray diagnostics generator having a rotating anode x-ray tube

Details X-ray diagnostics generator having a rotating anode x-ray tube X-ray diagnostics generator having a rotating anode x-ray tube

1990-09-07

1991-10-22

Westin, Edward P.

X-ray or gamma ray systems or devices

Electronic circuit

For electrode movement

378 94, 378125, 378144, H05G 166

Patent

active

050602519

ABSTRACT:
An x-ray diagnostics generator which includes a rotating anode x-ray tube includes circuitry for setting the speed of rotation of the anode dependent on exposure parameters. At particular rotational speeds, the motor bearing for the rotating anode is subject to mechanical resonances, causing vibrations which can damage the bearing. A vibration detector is provided in mechanical contact with the x-ray tube, and when vibrations due to such mechanical resonances are sensed, a signal is provided from the detector to a processor which automatically slightly alters the rotational speed.

REFERENCES:
patent: 3943356 (1976-03-01), Schmutzer et al.
patent: 4316129 (1982-02-01), Shapiro et al.
patent: 4519093 (1985-05-01), Kurihara et al.

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