Portable video tape recorder having a vibration detector
Recording and reproducing apparatus
Recording and reproducing apparatus with helical scan tracking
Recording and reproducing video signals at selectable different
Recording and/or reproducing system for a 4-head type recording
Relative velocity control device for magnetic recording and repr
Reproducing a recording from a rotary head type tape recorder wi
RF tracking servo for VTR with adjustable servo loop gain
Rotary drum controller
Rotary head type digital signal recording and/or reproducing app
Rotary head type magnetic tape apparatus
Rotary head type magnetic video recording and reproducing system
Rotary head type recording apparatus
Rotating head magnetic recording and reproducing device having a
Rotation control device for a rotary head in a magnetic recordin
Rotation control device using reproduced synchronizing signal
Self calibrating embedded stripe based timing tracking servo...
Servo control apparatus utilizing clock signal and control data
Servo for video tape apparatus with editing capabilities
Servo system for controlling the position of a magnetic head rel