| 摘要 |
Provided is a system controller device intended for use by persons having limited or no use of their hands. The device includes a first air sensor configured to provide a first electromagnetic signal representative of an air pressure or an air-flow, or a combination thereof, a second orientation sensor configured to provide a second electromagnetic signal representative of a relative orientation or a change of orientation, or a combination thereof, of said first sensor, a third linear position sensor configured to provide a third electromagnetic signal representative of a relative position or change of position, or a combination thereof, of said first sensor along a linear carriage, and a signal processor configured to combine said first, said second and said third electromagnetic signals to provide an event message.
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