Glossary

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Tablet PC(also: Tablet Computer, Pen Tablet)

A portable computing device featuring a touchscreen display that can be operated with fingers, a stylus, or both. For accessibility purposes, tablets offer several advantages: adjustable screen angle and position, portability for use in comfortable positions, direct manipulation…

Tactile Printer(also: Braille Embosser, Tactile Embosser)

A device that produces raised-line graphics and text on paper or other media, enabling people who are blind or have low vision to access visual information through touch. Tactile printers work by embossing dots or lines onto heavy paper, or by using thermal processes with…

Tactor(also: Vibrotactile Actuator, Tactile Actuator, Vibration Motor)

A small electromechanical device that produces vibrations against the skin to convey information through the sense of touch. Tactors are the fundamental components of tactile displays and wearable haptic devices, commonly used in electronic travel aids, navigation belts, and…

Thermal Embosser(also: Thermal Swell Paper Printer)

A device that produces tactile graphics by heating speciality swell paper (also called microcapsule paper) to raise areas printed with dark ink or toner. The microcapsules embedded in the paper expand when exposed to heat, creating a raised surface that can be felt by touch.…

Tiger Embosser(also: ViewPlus Tiger, Tiger Braille Printer)

A brand of Braille embosser manufactured by ViewPlus Technologies that produces both Braille text and tactile graphics by pressing raised dots onto thick paper. Unlike traditional Braille embossers that only produce text, Tiger embossers can render graphical images with multiple…

Touch Sensor(also: Touch-Sensitive Sensor, Tactile Sensor)

An electronic component that detects physical contact or proximity of a finger or object on a surface. Touch sensors are used in accessible devices to enable direct tactile interaction, allowing blind users to trigger audio feedback by touching specific locations on a physical…

Touchscreen(also: Touch Screen, Touch Display)

An input and display device that detects touch gestures directly on its surface, allowing users to interact with content by tapping, swiping, pinching, or dragging. While touchscreens enable intuitive direct manipulation, they present accessibility challenges for users with…

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