AGC circuit with constant envelope circuit for reproduced RF sig
Analog encoder decoder circuit
Anti-copy system utilizing audible and inaudible protection sign
Apparatus and method for retrieving audio signals from a recordi
Apparatus for magnetically recording and/or reproducing digital
Apparatus for producing recorded tape-like magnetic record carri
Apparatus for recording and reproducing a digitized audio signal
Apparatus for recording and reproducing a video signal and for r
Apparatus for recording and reproducing digital and analog video
Apparatus for writing signal density information on a magnetic m
Audio signal recording apparatus and reproducing apparatus
Audio signal reproducing apparatus
Audio system having a time base error correction arrangement
Audio tape operation on a DAT data storage drive
Automatic time-base error correction system
Circuit arrangements for calibrating signals
Control signal extraction in a reproducing apparatus
Correction of long term drift and short term fluctuating corrupt
Cue signal recording control system for video tape recorder
Data recording method, end search method and connection recordin