The Optacon (OPtical to TActile CONverter)'s an electromechanical device that enables blind people to read printed material that hasn't been transcribed into Braille. Description The Optacon consists of a main electronics unit about the size of a portable tape recorder connected by a thin cable to a camera module about the size of a penknife (See Fig. 1). The main electronics unit contains a "tactile array" onto which the blind person places his/her index finger. The Optacon user moves the ca… (More on Optacon)