ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
H03J0003180000 by discharge tube or semiconductor device simulating variable reactance 1
H03J0003200000 of single resonant circuit by varying inductance only or capacitance only 1
H03J0003220000 of single resonant circuit by varying inductance and capacitance simultaneously 1
H03J0003240000 of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning 1
H03J0003260000 the circuits being coupled so as to form a bandpass filter 1
H03J0003280000 of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range 1
H03J0003300000 Arrangements for ensuring tracking with variable inductors 1
H03J0003320000 Arrangements for ensuring tracking with variable capacitors 1
H03J0005000000 Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner (H03J0007000000, H03J0009000000 take precedence;for bandspreading H03J0003100000) 1
H03J0005020000 with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings 1
H03J0005040000 operated by hand 1
H03J0005060000 Settings determined by single indexing means with snap action 1
H03J0005080000 Settings determined by a number of separately-actuated positioning means 1
H03J0005100000 Settings determined by a number of positioning means mounted on a common support, which is adjustable to desired positions, a different positioning means being in operation in each position 1
H03J0005120000 Settings determined by a number of separately-actuated driving means which adjust the tuning element directly to desired settings 1