H03C3/12 - CPC Classification Index

ClassID:

218885 ⎘

H03C3/12 - CPC Classification

Classification description:

Angle modulation by means of variable impedance by means of a variable reactive element

Sub-classes:

H03C3/14 » simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit 1
H03C3/18 » the element being a current-dependent inductor 1
H03C3/20 » the element being a voltage-dependent capacitor 6
H03C3/22 » the element being a semiconductor diode, e.g. varicap diode 2

Recent Application in this class:

20160112226

Systems for analog phase shifting

20090010360

Method and apparatus adapted to transmit data

14963541

Rotary transformer