Browse Prior Art Database

Mobius Loop System for Data Storage

IP.com Disclosure Number: IPCOM000043624D
Original Publication Date: 1984-Sep-01
Included in the Prior Art Database: 2005-Feb-05
Document File: 2 page(s) / 36K

Publishing Venue

IBM

Related People

Budo, Y: AUTHOR [+2]

Abstract

Low cost data storage devices generally consist of a magnetic tape, which has good signal characteristics but stores information serially and, therefore, has very long access times, or diskettes, which have good access times but suffer from poor signal characteristics caused by modulation and inefficient use of the magnetic coding. The mobius loop system for data storage overcomes the deficiencies of tapes and diskettes. The mobius loop has twice the storage area available for data recording over, for example, a four-inch diskette. A mobius strip is a one-sided surface constructed by holding one end of a tape fixed and rotating the opposite end 180Œ, and attaching it to the first end. The signal characteristics are equivalent to that of today's magnetic tape.

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Mobius Loop System for Data Storage

Low cost data storage devices generally consist of a magnetic tape, which has good signal characteristics but stores information serially and, therefore, has very long access times, or diskettes, which have good access times but suffer from poor signal characteristics caused by modulation and inefficient use of the magnetic coding. The mobius loop system for data storage overcomes the deficiencies of tapes and diskettes. The mobius loop has twice the storage area available for data recording over, for example, a four-inch diskette. A mobius strip is a one-sided surface constructed by holding one end of a tape fixed and rotating the opposite end 180OE, and attaching it to the first end. The signal characteristics are equivalent to that of today's magnetic tape. The single-sided loop arrangement requires only one read/write head. In the mobius loop both sides of the tape appear to be one common surface as the tape is driven. Referring to Fig. 1, there is shown the shape of the mobius loop inside cartridge. A cartridge 12 half, with the shaded areas being raised and showing the corner roller bearings 14 over which the loop tape 10 rides, is shown in Fig. 2. Figs. 3a and 3b show the top and side views, respectively, of the cartridge 12 containing the mobius loop tape before insertion into the drive mechanism. Figs. 4a and 4b show, respectively, a cartridge containing a loop tape 10 with the loop exposed and the side view of Fig. 4a...