Step 8: Possible Uses For The Sick or Impaired
A hospital patient wearing the ring could tap once to turn on a TV. tap twice to turn it off. Three taps could signal a nurse. Special sequences of movements could operate other devices such as a water dispenser or bed angle.
It could also be worn by a comatose or unconscious patient to detect movement and signal when they have regained consciousness. Or it could be worn on the wrist of a baby in ICU to determine unusual movement or the lack of normal movement.
Control a PC
Ring mouse-A sick or impaired person with the use of one finger or one hand could use the ring to control the cursor of a PC.
Control a Wheelchair
As a ring controller it could easily control a wheelchair by tilting, tapping, or shaking. Because it is so small it could also be embedded in a baseball cap or shoe to control devises by head or foot movement.
Control an Artificial Arm and Hand
A person with one good hand could use preset motions to activate pre-programmed sequences in the artificial arm (i.e. pick up a cup). Even better, the artificial arm and hand could follow the motions of the good hand to work with it in situations that require two hands.
Air Writing Typewriter
With a faster microcontroller it should be possible to detect writing motions of the finger in the air to store in memory, words and numbers or send them directly to a PC or printer.
Voice Speaker for Those Who Have Lost Their Voice
In conjunction with a pocket microcontrolled mp3 player, movement of the ring could be used to activate prerecorded words or messages