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Interactive input with limit-value monitoring and on-line help for a palmtop device

  • US 6,714,220 B2
  • Filed: 01/19/2000
  • Issued: 03/30/2004
  • Est. Priority Date: 01/19/2000
  • Status: Expired due to Term
First Claim
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1. A computer system with a screen, memory and a set of parameters, said system comprising:

  • an interactive input field for at least one parameter of said set of parameters, wherein said set of parameters are capable of controlling an external application; and

    a set of virtual keys stored in the memory, wherein, on selecting said at least one parameter displayed on the screen, the interactive input field associated with the selected parameter and a subset of said set of virtual keys is displayed on the screen, wherein the subset of said set of virtual keys is created dynamically based on said selected parameter, wherein the subset of said set of virtual keys comprises only those keys that are relevant to changing a value of the selected parameter and wherein the subset of said set of virtual keys is less in number than the set of virtual keys.

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