| 摘要 |
PROBLEM TO BE SOLVED: To embody a display convenient for a person who views this display by stepwise executing the display of high-speed displayable characters and ordinary display at the time of displaying document data. SOLUTION: This device has a first state and a second state. Switching from the first state to the second state is executed by an output end signal S10. The cache character image signal S6 formed by a character cache section 35 is outputted in the first state. In the second state, the writing to the character cache section 35 is executed together with the development in a font development section 34 and the character image signal S4 formed by this font development section 34 or the cache character image signal S6 formed by the character cache section 35 is outputted. As a result, the display convenient for the person who views the display is embodied in such a manner that the display of the high-speed displayable characters and the ordinary display are stepwise executed at the time of displaying the document data; for example, document retrieval is executed in the first state and the contents thereof are checked in the second state. |
