G - Physics – 11 – B
Patent
G - Physics
11
B
352/20.52
G11B 21/00 (2006.01) G11B 15/14 (2006.01)
Patent
CA 1250047
ABSTRACT OF THE DISCLOSURE A reproduced signal switching circuit for a reproducing apparatus, comprises a switching circuit for switching output signals of rotary heads for special reproduction so as to obtain a continuous reproduced signal, a switching signal producing circuit for producing a switching signal responsive to an output pickup pulse of a rotation detecting circuit which detects the rotation of a rotary body which is mounted with the rotary heads, and for applying the switching signal to the switching circuit so as to switch the switching circuit, and a voltage supplying circuit for supplying a voltage which is in accordance with a tape moving speed to the switching signal producing circuit during -the special reproduction. The switching signal producing circuit comprises time constant circuits for starting charging operations responsive to the pickup pulse, and a circuit for producing a switching signal having a polarity which changes when charged voltages in the time constant circuits reach a predetermined voltage. The voltage supplying circuit supplies the voltage to be charged to the time constant circuits.
463612
Matsumura Koji
Ogawa Yukio
Marks & Clerk
Victor Company Of Japan Ltd.
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