Openmoko keyboard mockup

Carsten Haitzler (The Rasterman) raster at
Tue Jan 6 11:27:08 CET 2009

On Tue, 06 Jan 2009 11:20:12 +0100 "arne anka" <openmoko at> babbled:

> > no, t9 is patented in it's entirety.
> what exactly is patented that could not be reimplemented?
> - the system of numbers and characters per key is afaik a well known  
> standard (and dating from long before the mobile era)
> - hitting the key several times to select a specific symbol was done long  
> before t9 came up
> - completing a word from a dictionary based on the already available  
> string is done by several keyboard apps (even xvkbd afaik) w/o violating  
> any patents

the last bit is patented. matching it to a dictionary (when combined with the
first 2). this is the patent. when combined with a numberpad and key
combinations per number - to use a dictionary to auto-guess the key you wanted
without having to cycle through all keys with multiple presses on a key.

> so, what does t9 do that's not available already?
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The Rasterman (Carsten Haitzler)    raster at

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