ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
H03H0011280000 Impedance matching networks 1
H03H0011300000 Automatic matching of source impedance to load impedance 1
H03H0011320000 Balance-unbalance networks 1
H03H0011340000 Networks for connecting several sources or loads working on different frequencies or frequency bands, to a common load or source (for use in multiplex transmission systems H04J0001000000) 1
H03H0011360000 Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source (phase shifters providing two or more output signals H03H0011220000) 1
H03H0011380000 One-way transmission networks, i.e. unilines 1
H03H0011400000 Impedance converters 1
H03H0011420000 Gyrators (used in frequency selective networks H03H0011080000) 1
H03H0011440000 Negative impedance converters (H03H0011420000 takes precedence;used in frequency-selective networks H03H0011100000) 1
H03H0011460000 One-port networks 1
H03H0011480000 simulating reactances 1
H03H0011500000 using gyrators 1
H03H0011520000 simulating negative resistances 1
H03H0011540000 Modifications of networks to reduce influence of variations of temperature 1
H03H0015000000 Transversal filters (electromechanical filters H03H0009460000, H03H0009700000) 1