ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
H03K0004360000 using a single tube exhibiting negative resistance between two of its electrodes, e.g. transitron, dynatron 1
H03K0004380000 combined with Miller integrator 1
H03K0004390000 using a tube operating as an amplifier 1
H03K0004410000 with negative feedback through a capacitor, e.g. Miller integrator 1
H03K0004430000 combined with means for generating the driving pulses 1
H03K0004480000 using as active elements semiconductor devices (H03K0004787000-H03K0004840000; take precedence);; 1
H03K0004500000 in which a sawtooth voltage is produced across a capacitor 1
H03K0004501000 the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator 1
H03K0004502000 the capacitor being charged from a constant-current source 1
H03K0004520000 using two semiconductor devices so coupled that the input of each one is derived from the output of the other, e.g. multivibrator 1
H03K0004540000 using a single semiconductor device with positive feedback through a transformer, e.g. blocking oscillator 1
H03K0004560000 using a semiconductor device with negative feedback through a capacitor, e.g. Miller integrator 1
H03K0004580000 Boot-strap generators 1
H03K0004600000 in which a sawtooth current is produced through an inductor 1
H03K0004620000 using a semiconductor device operating as a switching device 1