Currently blind consumers can choose from three gps products.
Gps technology for the blind.
There is at least one standalone gps navigation device designed specifically for sight impaired users.
Gps systems are not used indoors because they are unreliable inside buildings and of little use for effective navigation.
Outdoor apps are usually designed differently than apps for navigation indoors in that they typically include a gps for some or all of their data gathering.
A gps system from the sendaro group for humanware s braillenote portable notetaker.
As part of our development work on assistive devices to help persons with a visual impairment float has researched outdoor navigation aids for people who are visually impaired and blind.
Ariadne gps developed by luca giovanni ciaffoni was released in june 2011 and was one of the first gps apps specifically designed for blind and visually impaired users.
The trekker breeze handheld talking gps from humanware.
Bluetooth beacons such as those being used by the company foresight augmented reality act like highly precise personalized guides for people who are blind or partially sighted.
Informing the user about their location on request and in configurable intervals.
It is based on google map data and has the following features.
The gps and voice technology enabled cane can tell users what s around them they re.
And a gps system for pac mate produced by freedom scientific.
The trekker produced by humanware a portable gps system that connects to a personal data assistant.
One of these options may be a good choice for you but if you are already using an android or ios smartphone you may not need an additional device for navigation.