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Touch switch input device for computer system

  • US 5,148,015 A
  • Filed: 12/24/1990
  • Issued: 09/15/1992
  • Est. Priority Date: 12/24/1990
  • Status: Expired due to Fees
First Claim
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1. In a computerized system having a monitor, first means for displaying on the monitor plural items each representing one of a plurality of functions to be executed by the computer, second means in response to a user-generated selection signal to indicate on the monitor a selection of a particular function desired to be made by the user, and third means in response to a user-generated execution signal to execute the selected function;

  • the improvement comprising means in response to a user'"'"'s object'"'"'s touch to generate both the selection and execution signals, said means comprising;

    (a) a plurality of optical sensors, each of said sensors comprising a radiation emitter and an adjacent radiation detector positioned to receive and detect radiation generated by the emitter and reflected from a user'"'"'s object'"'"'s touch for generating said selection signal,(b) switch means having actuation member responsive to actuation by the user for generating said execution signal, said actuation member being positioned such that it can be actuated by the user to generate said execution signal by the same object touch that generates the selection signal.

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