Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1984-12-03
1987-02-10
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record medium
In container
242192, 242198, 360 94, G11B 2302
Patent
active
046427210
ABSTRACT:
A digital magnetic recording tape cartridge has a housing that permits use of up to 1/4-inch wide tape which, in turn, increases data recording packing density over standard 0.150-inch tape cartridges. The tape cartridge is the belt-driven type having a flexible elastic endless belt that applies tension to tape on the supply and take-up reels to move the tape. Rotation of a driving roller causes the belt to drive the tape reels and move the tape between the reels. A magnetic head of the tape transport engages an exposed portion of the tape in the cartridge for reading or writing data on the tape. In a preferred embodiment, the tape is 1/4-inch wide. The number of data tracks is substantially increased by the wider 1/4-inch tape. The cartridge housing has a base plate with a stepped down recess that accommodates the wider 1/4-inch tape and the wider supply and take-up reels, tape guide rollers, and tape guide pins. The cartridge has flanges along both sides of recessed grooves in the sides of the cartridge that permit the cartridge to be inserted into a tape drive capable of interchangeably receiving the 1/4-inch tape cartridge of this invention or the standard 0.150 inch tape cartridge.
REFERENCES:
patent: 4093149 (1978-06-01), Shroff et al.
patent: 4172569 (1979-10-01), Newell
patent: 4199794 (1980-04-01), Prost et al.
patent: 4457473 (1984-07-01), Mroz et al.
patent: 4502648 (1985-03-01), Newell
Christensen Dean L.
Georgens Harold H.
Data Electronics, Inc.
Severin David J.
Wolff John H.
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