Communications channel with programmable coupling

Compensating circuit, equalizer and magnetic recording/reproduci

Composite magnetic head

Composite magnetic head arranged so the reproducing elements...

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

Compound phase encoding for printed servo patterns

Compound pulse dimming circuitry for conditioning readback signa

Continuous-time analog signal filter arrangement, for use as an

Control circuit for double deck cassette tape recorder

Control circuit for tape recorders

Control circuitry for magnetoresistive (MR) tape heads using gro

Control system for a tape recorder

Control unit, storage unit, and method for manufacturing...

Controlled impedance amplifiers

Controlling a write inhibit threshold based on vibration

Copy guard system of a software program used in VTR

Copy protected disk

Copy protection disk format controller

Copy protection for computer discs

Copy protection for hybrid digital video tape recording and unpr