ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
H01P0001201000 Filters for transverse electromagnetic waves (H01P0001212000, H01P0001213000, H01P0001215000, H01P0001219000 take precedence);; 1
H01P0001202000 Coaxial filters (cascaded coaxial cavities H01P0001205000) 1
H01P0001203000 Strip line filters 1
H01P0001205000 Comb or interdigital filters; Cascaded coaxial cavities (H01P0001203000 takes precedence);; 1
H01P0001207000 Hollow waveguide filters (H01P0001212000, H01P0001213000, H01P0001215000, H01P0001219000 take precedence);; 1
H01P0001208000 Cascaded cavities; Cascaded resonators inside a hollow waveguide structure (H01P0001205000 takes precedence);; 1
H01P0001209000 comprising one or more branching arms or cavities wholly outside the main waveguide 1
H01P0001211000 Waffle-iron filters; Corrugated structures 1
H01P0001212000 suppressing or attenuating harmonic frequencies (H01P0001215000 takes precedence);; 1
H01P0001213000 combining or separating two or more different frequencies (H01P0001215000 takes precedence);; 1
H01P0001215000 using ferromagnetic material 1
H01P0001217000 the ferromagnetic material acting as a tuning element in resonators 1
H01P0001218000 the ferromagnetic material acting as a frequency selective coupling element, e.g. YIG-filters 1
H01P0001219000 Evanescent mode filters 1
H01P0001220000 Attenuating devices (dissipative terminating devices H01P0001260000) 1