Touch-Tone input techniques: Data entry using a constrained keyboard

  • Authors:
  • E. J. Desautels;S. B. Soffer

  • Affiliations:
  • -;-

  • Venue:
  • ACM '74 Proceedings of the 1974 annual conference - Volume 1
  • Year:
  • 1974

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Abstract

The problems involved in using a smaller alphabet than that naturally called for are investigated, with attention focussed on the use of 12 digit keyboards such as found on Touch-Tone (trademark reg.) telephones. The feasibility of avoiding the use of codebooks or user encodings is examined for some medical information systems, and a technique to minimize redundant inputs is described.