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This assistive listening device was an early personal amplification system made by Telex Communications of Burnsville, Minnesota between the 1970s and 1990s. The Telex FM system amplified sound via FM transmission. Assistive listening devices…

The PRC Touch Talker with Minspeak® was one of the first augmentative communication devices produced by the Prentke Romich Company (PRC.) The Touch Talker was the company’s first portable speech-generating device, introduced in 1984. Minspeak…

A TDD is a teleprinter, an electronic device for text communication over a telephone line. The TDD allows people with hearing or speech difficulties to receive calls as typed messages. The original concept was developed by James C. Marsters, a…

The TeleBraille III enabled a deafblind person and a person using a Telecommunications Device for the Deaf (TDD) to communicate by telephone. It could also be used for face-to-face communications between a deafblind person and a sighted person. It…

A keyguard, or computer overlay guide, is designed to enable people with upper extremity disabilities to use a standard computer keyboard. Intended for users who are unable to keep their hand elevated, who use a headwand or mouthstick, or are…

Braille 'n Speak® was a portable, electronic Braille note taker designed for use by individuals who are blind or have low vision. In 1987, long before sighted users had devices such as the iPad, Deane Blazie’s invention made it possible for users to…

Switch access enables a user with limited mobility or dexterity to control a device such as a computer or an electronic toy by activating the switch with a touch. A customized system such as a switch access console can replace a standard keyboard…

Darci Too is a keyboard emulator designed for use by individuals with upper extremity or severe physical disabilities. It offers adaptable access, meaning that a user can choose a joystick, switches, matrix keyboard, or communication aid to access…

The Multivoice Synthesizer was used with a computer screenreader, producing the sound needed to convert text into synthesized speech for people with visual impairments. A screen reader is a software application that, rather than presenting web…

The TASH Mini Keyboard was a small membrane keyboard designed with closely spaced keys for individuals with fine motor skills and a small range of motion. The small square keys could be activated with a mouthstick, pointer, finger, etc. The keyboard…