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Coming Up: Tactile Video Displays

November 2nd, 2007 Medgadget Editors Rehab

NIST tactile graphic display in actionActive Braille-like technology developed by the National Institute of Standards and Technology, which allows the blind to feel images the rest of us see on a video screen, has been licensed to a commercial firm to make into real products.

ELIA Life Technology Inc. of New York, N.Y., licensed for commercialization both the tactile graphic display device and fingertip graphic reader developed by NIST researchers. The former, first introduced as a prototype in 2002, allows a person to feel a succession of images on a reusable surface by raising some 3,600 small pins (actuator points) into a pattern that can be locked in place, read by touch and then reset to display the next graphic in line. Each image-from scanned illustrations, Web pages, electronic books or other sources-is sent electronically to the reader where special software determines how to create a matching tactile display. (For more information, see “NIST ‘Pins’ Down Imaging System for the Blind”.)
An array of about 100 small, very closely spaced (1/10 of a millimeter apart) actuator points set against a user’s fingertip is the key to the more recently created “tactile graphic display for localized sensory stimulation.” To “view” a computer graphic with this technology, a blind or visually impaired person moves the device-tipped finger across a surface like a computer mouse to scan an image in computer memory. The computer sends a signal to the display device and moves the actuators against the skin to “translate” the pattern, replicating the sensation of the finger moving over the pattern being displayed. With further development, the technology could possibly be used to make fingertip tactile graphics practical for virtual reality systems or give a detailed sense of touch to robotic control (teleoperation) and space suit gloves.

Press release: NIST Licenses Systems to Help the Blind ‘See’ Images
ELIA Life Technology…

Medgadget Editors

Medical technologies transform the world! Join us and see the progress in real time. At Medgadget, we report the latest technology news, interview leaders in the field, and file dispatches from medical events around the world since 2004.

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