A control signal reproducing circuit which, during a VISS operation, clips a reproduced residual signal at a certain level or, controls a feedback amount of a control pulse by varying a pole value in order to reduce the cut-off frequency and (suppress high band components, thereby reducing the reproduced...http://www.google.fr/patents/US5383067?utm_source=gb-gplus-shareBrevet US5383067 - Control signal reproducing circuit
