ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
H03H0015020000 using analogue shift registers 1
H03H0017000000 Networks using digital techniques 1
H03H0017020000 Frequency-selective networks 1
H03H0017040000 Recursive filters 1
H03H0017060000 Non-recursive filters 1
H03H0017080000 Networks for phase-shifting 1
H03H0019000000 Networks using time-varying elements, e.g. N-path filters 1
H03H0021000000 Adaptive networks 1
H03J TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS (indicating arrangements for measuring G01D; measuring, testing G01R; remote-control in general G05, G08; automatic control or stabilisation of generators H03L) 1
H03J0001000000 Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general (machine elements in general F16; coupling of knobs to shafts F16D) 1
H03J0001020000 Indicating arrangements 1
H03J0001040000 with optical indicating means 1
H03J0001060000 Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control 1
H03J0001080000 Toothed-gear drive; Worm drive 1
H03J0001100000 Rope drive; Chain drive 1