ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
H02P0009100000 Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load 1
H02P0009120000 for demagnetising; for reducing effects of remanence; for preventing pole reversal 1
H02P0009140000 by variation of field (H02P0009080000, H02P0009100000 take precedence);; 1
H02P0009160000 due to variation of ohmic resistance in field circuit, using resistances switched in or out of circuit step by step 1
H02P0009180000 the switching being caused by a servomotor, measuring instrument, or relay 1
H02P0009200000 due to variation of continuously-variable ohmic resistance 1
H02P0009220000 comprising carbon pile resistance 1
H02P0009240000 due to variation of make-to-break ratio of intermittently-operating contacts, e.g. using Tirrill regulator 1
H02P0009260000 using discharge tubes or semiconductor devices (H02P0009340000 takes precedence);; 1
H02P0009280000 using discharge tubes 1
H02P0009300000 using semiconductor devices 1
H02P0009320000 using magnetic devices with controllable degree of saturation (H02P0009340000 takes precedence);; 1
H02P0009340000 using magnetic devices with controllable degree of saturation in combination with controlled discharge tube or controlled semiconductor device 1
H02P0009360000 using armature-reaction-excited machines 1
H02P0009380000 Self-excitation by current derived from rectification of both output voltage and output current of generator 1