Importance

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Abstract

A pneumatically-controlled, user-operated switch interface which allows a physically disabled person to operate electronic equipment such as a computer, television, video cassette recorder and a remote control includes apparatus providing at least one airway passage; first switching circuitry for producing a plurality of switching signals and having at least one pneumatuc switch responsive to air pressure in the at least one airway passage; second switching circuitry settable in first and second switch positions for selectively connecting each of the plurality of switching signals to selected inputs of the electronic equipment as the electrical input signals, and user-activated apparatus for setting the second switching circuitry in the first and second switch positions. The switch interface can operate a plurality of computer input devices to allow a physically handicapped person to use commercially available software packages.

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First Claim