Signal recording or reproducing apparatus

Single motor driver for a helical scan recording/reproducing dev

Speed and phase servo control apparatus

Synchronized read/write heads for double sided tape recording

Synthetic control track signal producing apparatus for video tap

System and method to avoid disk lube pooling

System for controlling positions of record tracks relative to a

System for the electronic editing of video signals

Tape speed control device

Tape system with adjustable wrap angles and method for...

Tape tracking control apparatus

Tape transport system using variable tape speed to achieve const

Track scan initiation and cutout arrangement for a helical scan

Tracking control apparatus for use with magnetic tape having vid

Tracking control circuit using a delayed tach signal

Tracking control device in a magnetic reproducing apparatus with

Tracking control system

Tracking control system for magnetic video recording and reprodu

Tracking correction for a rotary head by detection of the minimu

Tracking error detection system in a magnetic reproducing appara