Method and apparatus for reading and writing audio and digital d

Method and apparatus for recording/reproducing a control signal

Method and apparatus for setting recording current in perpendicu

Method and system for real time video tape duplicating

Method of making a linearity standard magnetic tape

Method, device, and medium for recording digital signal

Multitrack recorder including superimposed real time code

PCM signal recording and reproducing apparatus including simulta

PCM type record-playback system

Perpendicular magnetic recording method

Recorder with timing channel

Recording and reproducing digital audio signals formed into grou

Recording in a single track visual signals associated with audio

Recording method and a recording and/or reproducing apparatus

Reproducing apparatus with different reproduction data for norma

Rotary head reproducing apparatus that displays date, time, and

Segmented video recording with segment identification codes

Signal recording apparatus and signal reproducing apparatus

Stabilized recording

Stereo apparatus for VTR with monoral audio head