Overcoming drum stall in record and/or replay systems

Details Overcoming drum stall in record and/or replay systems Overcoming drum stall in record and/or replay systems

1980-11-25

1983-08-02

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 743, 360 85, G11B 1518, G11B 1548

Patent

active

043969569

ABSTRACT:
In a record and/or replay system of the type wherein magnetic tape moves in a loop about a drum which is rotated by a motor to scan transducer gaps across the tape, drum stall conditions are overcome by momentarily reversing the intended rotational direction of the motor when a command is given to rotate the drum in the intended rotational direction but such rotation does not occur because of tape sticktion on the drum.

REFERENCES:
patent: 3936877 (1976-02-01), Maruyama et al.
patent: 4011588 (1977-03-01), Yasuda et al.

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