ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
H02P0007340000 using Ward-Leonard arrangements 1
H02P0007343000 in which both generator and motor fields are controlled 1
H02P0007347000 in which only the generator field is controlled 1
H02P0008000000 Arrangements for controlling dynamo-electric motors rotating step by step 1
H02P0008020000 specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors 1
H02P0008040000 Arrangements for starting 1
H02P0008060000 in selected direction of rotation 1
H02P0008080000 Determining position before starting 1
H02P0008100000 Shaping pulses for starting; Boosting current during starting 1
H02P0008120000 Control or stabilisation of current 1
H02P0008140000 Arrangements for controlling speed or speed and torque (H02P0008120000, H02P0008220000 take precedence);; 1
H02P0008160000 Reducing energy dissipated or supplied 1
H02P0008180000 Shaping of pulses, e.g. to reduce torque ripple 1
H02P0008200000 characterised by bidirectional operation 1
H02P0008220000 Control of step size; Intermediate stepping, e.g. micro-stepping 1