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  • BS 5079:1981

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    Specification for information interchange on 3.81 mm (0.150 in) magnetic tape cassette at 4 cpmm (100 cpi), phase encoded at 63 ftpmm (1600 ftpi)

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  04-07-2014

    Language(s):  English

    Published date:  30-09-1981

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    National foreword
    Cooperating organizations
    Specification
    1. Scope and field of application
    2. Definitions
    3. Environment and transportation
    4. Characteristics of tape
    5. Tape cassette
    6. Recording
    7. Format
    Annexes
    A. Layer-to-layer adhesion
    B. Measurement of light transmittance
    Figures
    1(a). Sides, tracks, holes and asymmetrical slot -
           Dimensions in millimetres
    1(b). Sides, tracks, holes and asymmetrical slot -
           Dimensions in inches
    2(a). Position of heads - Dimensions in millimetres
    2(b). Position of heads - Dimensions in inches
    3(a). Tape guides in cassette - Dimensions in
           millimetres
    3(b). Tape guides in cassette - Dimensions in inches
    4(a). Cassette dimensions - Dimensions in millimetres
    4(b). Cassette dimensions - Dimensions in inches
    5(a). Cassette support planes - Dimensions in
           millimetres
    5(b). Cassette support planes - Dimensions in inches
    6(a). Maximum label and window area dimensions -
           Dimensions in millimetres
    6(b). Maximum label and window area dimensions -
           Dimensions in inches
    7. Test for layer-to-layer adhesion
    8. Measuring device (diagram)
    9. Measuring mask

    Abstract - (Show below) - (Hide below)

    Specifies a 3.81 mm tape in a cassette to be physically interchangeable between information processing systems for the exchange of data using the UK 7-bit data code (BS 4730) or any 7-bit or 8-bit code structure (BS 4953).

    General Product Information - (Show below) - (Hide below)

    Committee ICT/1
    Development Note Supersedes 80/61864 DC & 84/64885 DC. (07/2005) Inactive for the new design. (11/2011)
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn

    Standards Referenced By This Book - (Show below) - (Hide below)

    DEFSTAN 81-52/2(2002) : 2002 PACKAGING OF PRE-RECORDED MAGNETIC TAPES AND FLEXIBLE DISCS
    BS 4730:1985 Specification for UK 7-bit coded character set
    DEFSTAN 05-10/4(1990) : 1990 DRAWING PROCEDURE
    BS 5769-1:1979 Specification for magnetic tape cassette and cartridge labelling and file structure, for information interchange Label standard version 1
    BS 4783-4:1988 Storage, transportation and maintenance of media for use in data processing and information storage Recommendations for magnetic tape cartridges and cassettes

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO/IEC 2022:1994 Information technology Character code structure and extension techniques
    BS 4730:1993 Specification for UK 7-bit coded character set
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