Document Type and Number:
Japanese Patent JPS4977617
Kind Code:
A
Abstract:
A magnetic head being provided with at least one electromechanical transducer, in which the distance between the gap bounding faces can be varied so as to be relatively long during recording and relatively short during playback. Electrostrictive transducers are preferably used which are energized by means of a control voltage controlled by a recording signal and a playback signal.
Application Number:
JP12042673A
Publication Date:
July 26, 1974
Filing Date:
October 27, 1973
Export Citation:
International Classes:
G11B5/23; G11B5/245; (IPC1-7): G11B5/24