Input and output devices for visually impaired users

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Presentation transcript:

Input and output devices for visually impaired users Bayan Alalawi 201000700

Outline: Input & output Definition Scanning and reading device What is Screen reader The content of the credit card for the blind The content of touch screen cell phone for the blind

What is input? Data or instructions entered into memory of computer Input device is any hardware component that allows users to enter data and instructions

What is output? Data that has been processed into a useful form. Output device is any hardware component that can convey information to one or more people.

Bright-F Bright–F, distinguishes different colors and speaks out the same through a speaker. vision changed into sounds.

ViiO Travel Aid helps visually impaired people to travel independently

Viitect is a device that detects any hanging obstacles attached to a conventional white cane. Viitect alerts the user by activating vibration function to the user’s thumb

Viirect is voice-interactive GPS to provide information as well as receive audio directional feedback for optimum practicality.

Screen reader A screen reader is a software application that attempts to identify and interpret what is being displayed on the screen

Credit Card for The Blind: The Credit Card for the Blind makes use of fingerprint recognition technology.

The payment sum is displayed over the card with Braille.

Voice Stick : Portable Text Scanning Device.

When it scans printed letters, the OCR (Optical Character Recognition) function recognizes the texts and converts the written information into a voice.

Touch Mobile Phone a touch screen cell phone for the blind combines technologies of blind-touch screen (Braille), voice systems and programs to function as regular phone, GPS, book reader and object recognizer.  

Referances: http://en.wikipedia.org/wiki/Screen_reader http://www.tuvie.com/search/technology+to+help+blind+people http://www.yankodesign.com/2009/06/15/touchphone-for-the-blind/

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