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Data entry method and apparatus for the disabled

  • US 4,746,913 A
  • Filed: 06/09/1986
  • Issued: 05/24/1988
  • Est. Priority Date: 04/23/1984
  • Status: Expired due to Fees
First Claim
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1. An improved method of selecting an element of a group comprising steps of:

  • (a) serially scanning the elements of the group at a rate which is proportional to a user controlled continuously variable volitional signal;

    (b) stopping said serial scanning step under an ambient condition.(c) selecting the said element of the group by changing the user controlled volitional signal in a direction or magnitude different from that which is applied under scanning step (a).

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