The First Elevated-Pin Braille Smartphone Gets a Prototype
From: Popular Science - 04/22/2013
By: Colin Lecher

Incoming text gets translated into braille through little pins, constantly
moving up and down to convey what's happening in the phone. 

Read the entire article at:
http://www.popsci.com/gadgets/article/2013-04/inventors-make-braille-smartphone-blind

Links:
Braille under Siege As Blind Turn to Smartphones
http://www.npr.org/blogs/alltechconsidered/2012/02/13/146812288/braille-under-siege-as-blind-turn-to-smartphones

Braille Phone (concept)
https://sites.google.com/site/dagarsd/braille

World's first smartphone for the blind, made in India
http://articles.timesofindia.indiatimes.com/2013-04-19/gadgets-special/38673838_1_braille-smartphone-innovation-incubation