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Publication of NL116108CpublicationCriticalpatent/NL116108C/xx
H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
H04N3/26—Modifications of scanning arrangements to improve focusing
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement