open reel


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open reel

A reel of magnetic tape. It typically refers to half-inch open reels that still remain in the archives of many data libraries. In the 1950s, before the 8-bit byte, 7-track tapes (seven parallel tracks) were used to accommodate a 6-bit character plus parity. Starting in the 1960s, 9-track tapes were used to support the byte. See half-inch tape and magnetic tape.


The Venerable Open Reel
Practically extinct today, open reels were the common means of computer storage from the 1950s to the 1970s. The earlier drives required manual threading of the tape onto the empty takeup reel.
References in periodicals archive ?
With our extensive experience and 70 service centers around the world, Anacomp is uniquely positioned to provide support to companies that use open reel tape as a vital part of their information management.
NYSE: AAC), today announced it will increase prices on all half-inch open reel tape products that it markets worldwide.
The price adjustment follows significant new increases in raw material costs for open reel tape, coupled with declining demand in the marketplace as more and more users begin using newer forms of magnetic tape and optical media.
Recently upgraded to accept 3490E cartridges (36-track media), the "Peak Performance" hardware is also compatible with 3480 cartridges, 9-track open reel tape, and 8mm and 4mm data cartridges.
Tenders are invited for Supply of auto retractable breathing air hose open reels for supplying breathing air to air-fed respirators having hose maximum length of 30 mts(approx) and maximum pressure of 250psi.
With connectivity to Windows 95/98/NT operating systems, the universal MS 800 utilizes a wide variety of film carriers, including 16mm and 35 mm open reels, 3M and ANSI 16 mm cartridges, fiche, jackets, and aperture cards.
A wide range of interchangeable film carriers can be used with both new scanner/printers - they accept all microforms, including fiche, jackets, aperture cards, 16mm/35mm open reels and 16mm cartridges.