| 摘要 |
A tape drive comprising two motors 12,13 at least a first of which is an open loop position-controlled motor arranged to provide a controllable torque, two tape spool supports 1,2 on which spools 3,4 of tape may be mounted, each spool 3,4 being drivable by a respective motor 12,13, and a controller 14 for controlling the energisation of the motors 12,13 and being arranged to provide a control signal to a first motor 12,13 to set the tape tension. |
