ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
H03C0003200000 the element being a voltage-dependent capacitor 1
H03C0003220000 the element being a semiconductor diode, e.g. varicap diode 1
H03C0003240000 by means of a variable resistive element, e.g. tube 1
H03C0003260000 comprising two elements controlled in push-pull by modulating signal 1
H03C0003280000 using variable impedance driven mechanically or acoustically 1
H03C0003300000 by means of transit-time tube 1
H03C0003320000 the tube being a magnetron 1
H03C0003340000 by deflection of electron beam in discharge tube 1
H03C0003360000 by means of light-sensitive element 1
H03C0003380000 by converting amplitude modulation to angle modulation 1
H03C0003400000 using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated 1
H03C0003420000 by means of electromechanical devices (H03C0003280000 takes precedence);; 1
H03C0005000000 Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal (H03C0007000000 takes precedence);; 1
H03C0005020000 by means of transit-time tube 1
H03C0005040000 the tube being a magnetron 1