Coil switching device

Coil switching device

Combination device having a magnetic recording and reproducing u

Composite magnetic head arranged so the reproducing elements...

Composite magnetic head, magnetic disk drive using the head,...

Control circuit for double deck cassette tape recorder

Control circuit for tape recorders

Control circuitry for magnetoresistive (MR) tape heads using gro

Data processing apparatus and methods

Data recording apparatus

Data save processing method for disk storage device and disk...

Data save processing method for disk storage device and disk...

Data storage device and data storage device control

Data storage system with a dual-gap head using a dual-mode flexi

Device for controlling the recording and playback by a tape reco

Device for reading a set of resistive elements featuring interro

Device for reading and writing data on magnetic recording...

Device for switching a video tape recorder head to write/read mo

Dictating machine having a revising function

Digital data recording apparatus