Tape cartridge including an indication device to distinguish bet

Details Tape cartridge including an indication device to distinguish bet Tape cartridge including an indication device to distinguish bet

1993-12-03

1998-07-28

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Record medium

In container

242344, 242347, 360 60, G11B 2302

Patent

active

057869677

ABSTRACT:
Improved data protection features for a magnetic recording tape cartridge comprise a recess in the cartridge shell and a movable "file protect" device, which may be a rotatable plug or slidable member. The features enable tape drives to distinguish between two types of cartridges with otherwise identical form factors, allowing one of the cartridges to contain a recording tape with different characteristics that require the tape drive to identify the characteristics of the tape prior to use.

REFERENCES:
patent: 3839736 (1974-10-01), Hoshall
patent: 3900889 (1975-08-01), Broghammer
patent: 3940799 (1976-02-01), Matsumoto et al.
patent: 4012011 (1977-03-01), Saito
patent: 4221348 (1980-09-01), Moeller
patent: 4460930 (1984-07-01), Takahashi
patent: 4549240 (1985-10-01), Hodges
patent: 4722015 (1988-01-01), Ushiro
patent: 4769732 (1988-09-01), Tanaka
Proposed American National Standard Unrecorded Magnetic Tape Mini-Cartridge for Information Interchange (X3B5/87-218), Oct. 12, 1987.
American National Standard for Processing Information-Unrecorded Magnetic Tape Cartridge for Information Interchange (X3.55-1982), Jun. 17, 1982.

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