ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
H04N0003040000 having a moving aperture 1
H04N0003060000 having a moving lens or other refractor 1
H04N0003080000 having a moving reflector 1
H04N0003090000 for electromagnetic radiation in the invisible region, e.g. infra-red 1
H04N0003100000 by means not exclusively optical-mechanical (H04N0003360000 takes precedence);; 1
H04N0003120000 by switched stationary formation of lamps, photocells, or light relays 1
H04N0003140000 by means of electrically scanned solid-state devices (for picture generation H04N0005335000) 1
H04N0003160000 by deflecting electron beam in cathode-ray tube 1
H04N0003180000 Generation of supply voltages, in combination with electron beam deflecting 1
H04N0003185000 Maintaining dc voltage constant 1
H04N0003190000 Arrangements or assemblies in supply circuits for the purpose of withstanding high voltages 1
H04N0003200000 Prevention of damage to cathode-ray tubes in event of failure of scanning 1
H04N0003220000 Circuits for controlling dimensions, shape or centering of picture on screen 1
H04N0003223000 Controlling dimensions (by maintaining the cathode-ray tube high voltage constant H04N0003185000) 1
H04N0003227000 Centering 1