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Signlanguage is one means of communication for hearing-impaired people.Words and sentences in sign language are mainly represented by hands' gestures.In this report, we show a sign language translation system which we are developing.The system translates Japanese sign language into Japanese and vice versa.In this system, hand shape and position data are inputted using DataGlove.Inputted hand motions are recognized and translated into Japanese sentences.Japanese text is translated into sign language represented as 3-D computer-graphic animation of sign language gestures.

High-definition TV is an expected next generation television broadcasting system, and the broadcast of which will start in 1990 in Japan. The system is also expected for the use of industrial application. For these requirement , 54 -inch, 110 -inch, and 200 -inch projection displays have been developed. The horizontal resolution of 1000 TV lines, the peak brightness of 410 cd /m2 (54-inch), and the contrast ratio of more than 100 for rear projection displays can be realized by the development of 9 -inch dual focusing projection tube, high resolution projection lens, fine pitch high contrast rear screen and large output horizontal deflection circuit etc..