This document summarizes the activities conducted by Telesensory Systems, Inc. (TSI) from July 1974 to July 1975. During this time, TSI worked on maintenance and updating of the Optacon (Optical-to-Tactile Converter) and Optacon peripheral equipment. The Optacon is a direct-translation device which allows the blind to read normal printed…

Telesensory Systems, Inc. (TSI) was awarded a contract to design, develop, and test Optacons (Optical-to-Tactile Converter) and perepheral equipment. Optacons are direct-translation reading aids for the blind. The text summarizes the engineering design, manufacturing activities, field test procedure and results, and it provides recommendations for…