Glossary
Searchable terminology from accessibility, web standards, and related fields.
10 results found in alternative input.
- Breathing Input (Breath-based Input, Puff Input)
- An alternative computer input method that uses deliberate breath actions — such as puffing, blowing, or inhaling — detected by a microphone or pressure sensor as control signals for navigating interfa…
- Camera Mouse (Head-Controlled Mouse Pointer, Head Tracking Mouse)
- A computer-vision-based mouse-replacement system that tracks a user's head motion through a standard webcam to control the mouse pointer on screen. Developed at Boston University by Margrit Betke and …
- Chairable Technology (Chairable Input, Chairable Devices)
- Input devices and interactive technologies designed to integrate with the form of a wheelchair, analogous to how wearable technology fits with an individual's clothing. Chairable technology recognises…
- Gaze Typing (Eye Typing, Gaze-Based Text Entry, Eye-Typing)
- A text input method that uses eye tracking technology to allow users to type by looking at keys on a virtual on-screen keyboard. The most common technique is dwell-based selection, where the user fixa…
- Head Pointer (Head Mouse, Head Tracking Device)
- An assistive technology input device that translates head movements into cursor movements on screen, allowing people who cannot use their hands or arms to control a computer. Head pointers can be phys…
- Head Wand (Head Pointer, Head Stick, Mouth Stick)
- A head wand is an assistive input device consisting of a pointer attached to a headband or held in the mouth, allowing people with limited or no hand and arm function to operate a keyboard, touchscree…
- Head-based Pointing (Head Tracking, Head Mouse, Head-controlled Input)
- An alternative input method that allows users to control an on-screen cursor by moving their head, typically tracked via a camera, infrared sensor, or inertial measurement unit. Head-based pointing is…
- Joystick (Adaptive Joystick)
- A joystick is an input device with a lever that tilts in multiple directions to control cursor movement on screen, used as an alternative pointing device by people with motor impairments who have diff…
- On-Screen Keyboard (Virtual Keyboard, Software Keyboard, OSK)
- A software application that displays a visual representation of a keyboard on the computer screen, allowing users to type by selecting keys with a pointing device, head tracker, eye gaze system, or sw…
- Trackball
- A trackball is a pointing device consisting of a ball housed in a stationary socket that the user rotates to move the on-screen cursor, with buttons nearby for clicking. Unlike a mouse, a trackball do…