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ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
H01J0025490000 Tubes using the parametric principle, e.g. for parametric amplification 1
H01J0025500000 Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field (with travelling wave not moving completely around the electron space H01J0025420000; functioning with plural reflection or with reversed cyclotron action H01J0025620000, H01J0025640000) 1
H01J0025520000 with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode 1
H01J0025540000 having only one cavity or other resonator, e.g. neutrode tubes 1
H01J0025550000 Coaxial-cavity magnetrons 1
H01J0025560000 with interdigital arrangement of anodes, e.g. turbator tube 1
H01J0025580000 having a number of resonators; having a composite resonator, e.g. a helix 1
H01J0025587000 Multi-cavity magnetrons 1
H01J0025593000 Rising-sun magnetrons 1
H01J0025600000 with an electron space having a shape that prevents any electron from moving completely around the cathode or guide electrode; Linear magnetrons 1
H01J0025610000 Hybrid tubes, i.e. tubes comprising a klystron section and a travelling-wave section 1
H01J0025620000 Strophotrons, i.e. tubes with H-field crossing the E-field and functioning with plural reflection 1
H01J0025640000 Turbine tubes, i.e. tubes with H-field crossing the E-field and functioning with reversed cyclotron action 1
H01J0025660000 Tubes with electron stream crossing itself and thereby interrupting, or interfering with, itself 1
H01J0025680000 Tubes specially designed to act as oscillator with positive grid and retarding field, e.g. for Barkhausen-Kurz oscillators (with secondary emission H01J0025760000) 1
จำนวนรหัสข้อมูล 15 จาก 73902