| 摘要 |
A detector for detecting a space between blocks of data recorded on a recording medium, comprising a recording medium with a given speed, which provides a reproduction signal corresponding to an information recorded on the recording medium and issues a transport operation indicating signal; a discrimination means for discriminating the transport operation indicating signal, which provides a filter characteristic changing signal in accordance with the transport operation indicating signal; and a variable filter means for filtering the reproduction signal and providing a timing signal, of which filtering characteristic is changed in accordance with the filter characteristic changing signal. An operation mode of the recording medium transport means is changed by a transport control signal corresponding to the timing signal.
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