198286 ⎘
Recording or reproducing using a method not covered by one of the main groups - ; Record carriers therefor using record carriers having variable electrical capacitance; Record carriers therefor; Heads for reproducing capacitive information using mechanical contact with record carrier, e.g. by stylus
Recording/reproduction head and recording/reproduction device
#2Reducing variations in density of perturbations on a storage medium
#3Recording/reproducing head, method of producing the same, recording apparatus and reproducing apparatus
#4Recording/reproducing head, method of producing the same, and recording apparatus and reproducing apparatus