FIELD: devices for data input to electronic devices, in particular, to small keyboards, in which the output keystrokes are determined both on the basis of activation of a separate switch, and on the basis combined activation of the adjacent switches.
SUBSTANCE: in a small keyboard the regions of independent and combined keys are located in alternating columns, the columns of the regions of combined keys include multiple digital columns and at least one column containing regions of keys corresponding to the symbols of punctuation.
EFFECT: reduced dimensions of the keyboard, enhanced accuracy of data input.
15 cl, 46 dwg
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