Recording/reproducing apparatus

A recording/reproducing apparatus provided with a plurality of heads comprising:

• a recording/reproducing means for recording/reproducing signals onto/from a recording medium with the plurality of heads;
• a generating means for generating control data for controlling the recording/reproducing means;
• and
• a transmitting means for transmitting control data generated by the generating means to the recording/reproducing means, wherein:
• the control data comprise first data and second data, the first data include switching data for controlling the switching over among the plurality of heads, and the first data are transmitted before the second data.

A rotary magnetic head type apparatus, comprising:

• a rotary drum mounted with a plurality of magneto resistive heads;
• a stationary drum opposite to the rotary drum;
• and
• a rotary transformer for transmitting signals between the rotary drum and the stationary drum, wherein:
• the rotary drum is connected to the plurality of magneto resistive heads and provided with a regenerative integrated circuit having a current supply circuit and a regenerative amplifier, the operation of the regenerative integrated circuit is controlled with digital data;
• a control signal generator for generating control signals for controlling the regenerative integrated circuit is connected to the stationary drum;
• the rotary drum is provided with a decoder circuit for discriminating data of the control signals;
• the control signals are transmitted from the stationary drum side to the rotary drum side by the rotary transformer in every period of rotation of the rotary drum;
• the operation of the regenerative integrated circuit is controlled with digital data outputted from the decoder circuit;
• the digital data include head switching signal data for switching over among the plurality of magneto resistive heads, and control signal data for controlling the head currents of the magneto resistive heads;
• and
• the head switching signal data and control signal data are first transmitted to the regenerative integrated circuit.

A rotary magnetic head type apparatus, comprising:

• a rotary drum mounted with a plurality of magneto resistive heads;
• a stationary drum opposite to the rotary drum;
• a rotary transformer for transmitting signals between the rotary drum and the stationary drum;
• and
• a control signal generator, connected to the stationary drum, for generating control signals for controlling the amperages of the operating currents of the magneto resistive heads,
• wherein:
• the rotary drum is provided with a decoder circuit for discriminating data of the control signals and a current supply circuit for setting and supplying the operating current of each magneto resistive head according to the output of the decoder circuit;
• and
• the control signals are transmitted from the stationary drum side to the rotary drum side by the rotary transformer.