| 摘要 |
<p>PROBLEM TO BE SOLVED: To properly reproduce the information even from a magnetic tape on which the information is recorded in the state which the speed is shifted from a reference value. SOLUTION: By an arithmetic circuit 17 for ATF phase error of a camera incorporated type 8 mm video tape recorder, when the recorded data of the magnetic tape 11 are reproduced, the ATF phase error of the trace by a magnetic head 12 against the recorded track of the magnetic tape 11 is detected and supplied to an arithmetic circuit 18 for amounts of speed shift and correction. By the arithmetic circuit 18 for the speed shift and correction amounts, the shifted amount of the rotating speed of a capstan motor against the reference speed is calculated from the supplied ATF phase error, and in accordance with the result of this calculation, the correction amount of a reference period used for the speed error calculation is calculated in an arithmetic circuit for capstan speed error, then the result of the calculation is outputted to the arithmetic circuit for capstan speed error.</p> |
