GPS for the blind or visually impaired
Jun 26, 2007 gps navigation, misc news

Trekker is a GPS system for the blind and visually impaired that uses GPS and digital maps to help blind persons find their way in urban and rural areas.
Trekker which retrofits a Dell PDA as you can tell from the image above is designed to complement existing aids such as white canes and guide dogs but it does not replace them. It provides information in the most natural way possible and allows users to record both vocal and written notes.
Trekker hardware does not contain a GPS receiver but you can use any off the shelf hardware for GPS input and it can be upgradaded, so it can expand to accommodate new hardware platforms and more detailed geographic information which brings us to Maestro Option which allows the use of an agenda, text documents, vocal notes, contact directory, Daisy reader (Victor Reader Pocket), and soon, media player, email manager, calculator, choice of a second language.
Here are main features of Trekker
- Real-time information detection (Intersections and Point of Interest)
- Real-time/offline map browsing (Route Preview)
- Route planning and recording (Guiding Rules)
- Flexible level of vocal informationVocal Point of Interest creation
- Access to GPS status information
- Weight: 600 g (1.3 lbs)
- Size 87mm (3.4″) x 134mm (5.26″) x 27mm (1″)


June 26th, 2007 at 6:35 am
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June 26th, 2007 at 10:16 am
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June 26th, 2007 at 7:53 pm
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November 6th, 2007 at 6:24 am
What an interesting piece of equipment. I’m so pleased I came across your blog or I wouldn’t have known about it. Thank you.
May 28th, 2009 at 9:33 am
my blind son is about to go away to graduate school, santa barbara, can you help me find the GPS system which is best for students on campus.
thank you