7. HAAT Model Activity Human Context Activity Output Processor Environmental Interface HTI
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10. Elements of the Interface Control Interface Selection Methods Selection Set
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17. Elements of the Interface: Method of Activation 1c. EMG, EOG, capacitive, Contact switch, 1c. Electrical control interface, detection of electrical signals from surface of body 1b. Light pointer, light detector, radio transmitter 1b. Electromagnetic control interface, light or radio activation 1a. Joystick, keyboard 1a. Mechanical control interface, activation by application of force 1. Movement (eye, head, tongue, arms, leg) 3. Sound Switch, whistle switch, speech recognition 3. Sound or voice control interface, detects articulated sound or speech 3. Phonation 2. Puff and sip 2. Pneumatic control interface, detects respiratory airflow or pressure 2. Respiration (inhalation, expiration) 1d. Heat-sensitive switches 1d. Proximity control interface, movement close to device needed Examples Signal Detected User Action
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23. Elements of the Interface Control Interface Selection Methods Selection Set Discrete Inputs Continuous Inputs
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28. Elements of the Interface Control Interface Selection Methods Selection Set Activity Output
65. Elements of the Interface Control Interface Selection Methods Selection Set Activity Output Discrete Inputs Continuous Inputs Direction Selection Indirect Selection
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