ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
H03G0011000000 Limiting amplitude; Limiting rate of change of amplitude 1
H03G0011020000 by means of diodes (H03G0011040000, H03G0011060000, H03G0011080000 take precedence);; 1
H03G0011040000 Limiting level dependent on strength of signal; Limiting level dependent on strength of carrier on which signal is modulated 1
H03G0011060000 Limiters of angle-modulated signals; such limiters combined with discriminators (discriminators having an inherent limiting action H03D0003000000) 1
H03G0011080000 Limiting rate of change of amplitude 1
H03G0099000000 Subject matter not provided for in other groups of this subclass 1
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS (measuring, testing G01R; arrangements for producing a reverberation or echo sound G10K0015080000; impedance networks or resonators consisting of distributed impedances, e.g. of the waveguide type, H01P; control of amplification, e.g. bandwidth control of amplifiers, H03G; tuning resonant circuits, e.g. tuning coupled resonant circuits, H03J; networks for modifying the frequency characteristics of communication systems H04B) 1
H03H0001000000 Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network (constructional details of electromechanical transducers H03H0009000000) 1
H03H0001020000 RC networks, e.g. filters (structural combinations of capacitors with other electric elements H01G) 1
H03H0002000000 Networks using elements or techniques not provided for in groups ; H03H0003000000-H03H0021000000 1
H03H0003000000 Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators 1
H03H0003007000 for the manufacture of electromechanical resonators or networks 1
H03H0003013000 for obtaining desired frequency or temperature coefficient (H03H0003040000, H03H0003100000 take precedence);; 1
H03H0003020000 for the manufacture of piezo-electric or electrostrictive resonators or networks (H03H0003080000 takes precedence);; 1
H03H0003040000 for obtaining desired frequency or temperature coefficient 1