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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…

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…

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…

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…

Type 'n Speak was an electronic notetaker with voice output, designed for use by individuals who are blind or have low vision. The unit required no knowledge of Braille, featured a standard QWERTY computer-style keyboard with Braille mode, and…

Easter Seals Crossroads has been providing assistive technology services since 1979. Wade Wingler, Vice President of Technology and Information Services at Easter Seals Crossroads in Indianapolis, Indiana, discusses how the program has grown to…