| 摘要 |
A device for controlling movable objects is equipped with additional fourth, fifth, sixth and seventh single-gap reading heads arranged by twos mutually transverse and symmetrically relative to axes of main reading heads at distance equal to half-thickness and half-width of recording head pole correspondingly. Each of fourth-to-seventh single-gap reading heads are connected through phase detector to two threshold elements, output of one of those is connected to inputs of AND gate, and output of another one is connected to first input of OR gate, which second input is connected to output of one of threshold elements of shunt circuits. Outputs of OR gates and outputs of threshold elements of shunt circuits are connected to inputs of executive unit. |
