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The Computer Journal 1963 6(1):14-17; doi:10.1093/comjnl/6.1.14
© 1963 by British Computer Society
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SAS aids for the jet age: Telecommunication for electronic reservations

A. F. George

S.A.S. Airlines Systems, 52 Conduit Street, London, UK

Using two different but complementary systems of teleprocessing, "Telepunch" and electronic reservations by remote enquiry, SAS has established an integrated data-processing systems for seat reservations covering sales offices throughout the world. An extensive teleprinter network, operated by SAS for many years, formed the foundation upon which these systems were built. In the "Telepunch" system, punched-card techniques are employed. Sales offices report their reservations by teleprinter to a Central Control in Copenhagen where the messages are automatically transcribed into punched cards before being fed to an IBM RAMAC 305 computer holding the aircraft-seat inventory. In the electronic reservations system, a number of interrogator key-sets are installed at various sales offices which communicate via standard teleprinter circuits to a computer, in Central Control, Copenhagen, holding the aircraft-seat availability. Thus the teleprinter circuits carry conventional message traffic, in punched-card format and data exchanged between key-sets and the computer.


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