Magnetic tape using two end position identifying parts and a dat

Details Magnetic tape using two end position identifying parts and a dat Magnetic tape using two end position identifying parts and a dat

1989-11-01

1991-10-08

Wolff, John H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

360 721, G11B 1502

Patent

active

050559486

ABSTRACT:
A magentic tape, a second end identifying part at a predefined distance from the end position of the magnetic tape in a direction toward the beginning of the tape. This second end identifying part is separate from an existing first end identifying part. When data is recorded on such a magnetic tape, the second end identifying part is first detected by an end detecting device, and then the residual data stored in a memory before the second end identifying part is detected are recorded in a recording area located between the second end identifying part and the first end identifying part. This makes it possible to record all data left within the memory before reaching the first end identifying part, that is, before the recording areas of the magnetic tape become full.

REFERENCES:
patent: 3566132 (1971-02-01), Walker
patent: 4615682 (1986-10-01), Salvo
patent: 4750052 (1988-06-01), Poppy et al.
patent: 4848698 (1989-07-01), Newell
patent: 4863114 (1989-09-01), Moeller et al.
IBM/TDB vol. 12, No. 12, May 1970, "Optimized Tape-Mark Detector" by Roberts.

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