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Keyboard

  • US 5,197,811 A
  • Filed: 05/26/1992
  • Issued: 03/30/1993
  • Est. Priority Date: 05/31/1991
  • Status: Expired due to Fees
First Claim
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1. A keyboard operable by one hand, comprising:

  • a first group including four elongated finger keys extending generally vertically in parallel spaced relation so as to be accessible by the four fingers of a user'"'"'s hand; and

    a second group of keys extending in horizontal alignment with and laterally of the first group and spaced vertically with respect to each other so as to be accessible by the user'"'"'s thumb such as to permit a selected finger key and he thumb key aligned therewith to be simultaneously depressed by he user'"'"'s hand to select a character of the keyboard.

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