Glossary

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Shape-changing Interface(also: Shape-changing haptic interface, Morphing interface)

A physical interface that conveys information by changing its own shape or physical orientation — for example, a servo-driven lever that rotates to point in a specific direction, a cube whose top half turns to indicate a heading, or a surface that deforms under the user's hand.…

Skin Stretch Display(also: Skin Stretch, Lateral Skin Deformation Display, STReSS)

A type of haptic display technology that produces tactile feedback by laterally stretching the skin of the user's fingertip, rather than using raised pins or vibration. Skin stretch displays typically use arrays of small actuators (such as piezoelectric bending motors) that…

Smart Cane(also: Electronic Cane, Intelligent Cane)

An enhanced version of the traditional white cane that incorporates electronic sensors — typically ultrasonic or infrared — to detect obstacles beyond the range of physical contact, providing haptic or auditory feedback to the user. Smart canes can detect obstacles at waist or…

Smart Display(also: Smart Screen, Voice Assistant Display)

A voice-controlled device that combines a smart speaker with a built-in touchscreen, enabling multimodal interaction through voice commands, visual output, and touch input. Examples include the Amazon Echo Show and Google Nest Hub. Smart displays offer accessibility advantages…

Sony Access Controller(also: PlayStation Access Controller, Project Leonardo)

A customisable game controller released by Sony in 2023 for the PlayStation 5, designed for players with limited motor control. The Access Controller is a circular unit with swappable button caps, long-throw levers, adjustable stick positioning, and four 3.5mm ports for external…

Stylus(also: Digital Pen, Active Pen)

A pen-shaped input device used to interact with touchscreens, tablets, and other digitizer surfaces. Unlike finger touch, styluses provide a smaller contact point for precise selection, and active styluses can detect pressure, tilt, and hover states. For accessibility, styluses…

Switch(also: Adaptive Switch, Accessibility Switch)

An assistive technology input device that is activated by a single action such as pressing, squeezing, blowing, blinking, or moving a body part. Switches are designed for people with significant motor impairments who cannot use standard keyboards, mice, or touchscreens. They…

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