专利汇可以提供Controller for drive system of video tape专利检索,专利查询,专利分析的服务。并且PURPOSE: To attain the automatic tracking control and to improve the control efficiency for a video tape drive system by providing a grip part which is fitted to a tracking control knob in a loadable/unloadable way, a motor which holds the grip part to a shaft and rotates it, a tracking control mechanism and a control circuit for tracking control.
CONSTITUTION: The control signal produced from a control head of a drive system is supplied in case the detection signal of a sensor 44 is set at an L level while a tracking control knob 21 is rotated. The phase of the control signal is compared with a reference phase to secure the optimum tracking state. A control circuit 60 supplies the control signal when the knob 21 is set at a proper position and performs the phase monitor. The optimum tracking state is set for control of the drive system. Then the circuit 60 controls a drive system control mechanism 30 set previously in accordance with the prescribed procedure when a setting action is through with a tracking control mechanism 40. Then the height of each guide of the drive system is controlled together with the position of the control head.
COPYRIGHT: (C)1987,JPO&Japio,下面是Controller for drive system of video tape专利的具体信息内容。
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