by deflecting electron beam in cathode-ray tube

Full Title

Scanning details of television systems; Combination thereof with generation of supply voltages > by means not exclusively optical-mechanical (H04N3/36 takes precedence) > by deflecting electron beam in cathode-ray tube

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• H04N 3/18 Generation of supply voltages, in combination with electron beam deflecting
• H04N 3/20 Prevention of damage to cathode-ray tubes in the event of failure of scanning
• H04N 3/22 Circuits for controlling dimensions, shape or centering of picture on screen
• H04N 3/24 Blanking circuits
• H04N 3/26 Modifications of scanning arrangements to improve focusing
• H04N 3/27 Circuits special to multi-standard receivers