(under subclass 121) Subject matter including means to electrostatically or magnetically move the beam of electrons from one position to another on the target.
SEE OR SEARCH THIS CLASS, SUBCLASS:
12, for computerized tomography systems which include
electronic scanning.
113, for power supplies for electron scanning X-ray tubes.
SEE OR SEARCH CLASS
313, Electric Lamp and Discharge Devices,
364, for cathode-ray tube structure not specific to X-ray tubes. 315, Electric Lamp and Discharge Devices: Systems,
364, for cathode-ray tube scanning circuits not specific to X-ray tubes.
