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Lawrence W. Langley

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Publications by Lawrence W. Langley (bibliography)

1992

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Langley, Lawrence W. (1992): Ternary Chord Keyboard: An Evaluation of an Alternative Data Input Device. In: Proceedings of the Human Factors Society 36th Annual Meeting 1992. .

1988

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Kroemer, Karl H. E., Fathallah, Fadi A. and Langley, Lawrence W. (1988): A New Keyboard with Chorded Ternary Keys. In: Proceedings of the Human Factors Society 32nd Annual Meeting 1988. pp. 724-726.

“A new keyboard has been used in preliminary tests. Each key has 3 state conditions ("ternary key") and is moved by horizontal displacement of the fingertip, usually together with another key ("in "chords"). Little is known about the usability of such a Ternary Chord Keyboard (TCK) from previous experiments. Pilot tests indicated fast performance with a TCK.”

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