OPTICAL TOUCH KEY BASED ON PARTIAL EXTINCTION OF THE EVANECENT WAVE AT
TOTAL INTERNAL REFLECTION
Arne Bergström
Scientor Research & Development
Essingekroken 9, S-112 65 Stockholm, Sweden
phone +46 8 695 0600 fax +46 8 695 0312
e-mail arne.bergstrom@scientor.se
click to display 
OptiSensor
's action-through-glass keyboard at Stor&Liten, Gallerian Stockholm
click to display 
OptiSensor
's Interactive Touch Display (programmable glass keyboard)
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