Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1988-05-02
1990-05-08
Heinz, A. J.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360137, G11B 2102
Patent
active
049243365
ABSTRACT:
A magnetic-tape-cassette apparatus comprises a servo rod axially movable in opposite directions which is driven by a motor. The servo rod controls functional elements of the apparatus, such as a head-mounting plate and a loading mechanism. The motor is also used for driving the turntables. The apparatus further comprises a control member whose position is defined by the servo rod and the head-mounting plate. The position of the control member determines the position of a rotatable switching member, which actuates switching means for a logic circuit for the motor. The switching means provides the force-sustained coupling between the motor and the servo rod, and disengages the turntables from the motor during the change-over of apparatus functions.
REFERENCES:
patent: 4748523 (1988-05-01), Aldenhoven
Klos-Hein Karl
Rumpf Horst H.
Heinz A. J.
U.S. Philips Corporation
Wieghaus Brian J.
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