CHARACTER DISPLAY UNIT, ESPECIALLY PROVIDING IMAGES IN REAL TIME

摘要

PURPOSE: A character display unit is provided to maximize efficiency of the character display unit by installing an automatic character board input/output device. CONSTITUTION: The character display unit makes an image on a screen by forming a light source(1) and a condensing lens(2) and a character board(3) and an object lens(4). A cooling can(7) has cooling water in its inside and has an entrance on an outer circumference of a body(5). An automatic character board input/output device(8) inputs and outputs the character board automatically by being installed on the outer circumference of the character board.