197842 ⎘
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor; Disposition or mounting of heads relative to record carriers with simultaneous movement of head and record carrier, e.g. rotation of head; Disposition or mounting of heads on rotating support; Disposition of more than one recording or reproducing head on support rotating cyclically around an axis Parallel to the direction of movement of the tape, e.g. for transversal scanning
Recording and reproducing device with medium regulating portion
#2MAGNETIC TAPE DEVICE AND METHOD OF OPERATING MAGNETIC TAPE DEVICE
#3Magnetic tape head system method specifying parameters for near-constant resolution at varying tape velocities