| 摘要 |
PURPOSE:To erase a character simultaneously with a DAKUTEN (simbol'' showing a voiced sound) when the character is accompanied by the DAKUTEN or only the character when not accompanied, by pushing one erasure key corresponding to the error input character during KANA key inputting operation. CONSTITUTION:With a KANA key input part K1 pushed, only a KANA code signal is outputted from an output terminal C1, and it is inputted to a CPU through an OR gate OR and also displayed on a display part DSP. In this state, the Q output and Q' output of an FF1 are a 0 and a 1 respectivly. At this time, when an erasure key K3 is pushed, it is intercepted by an AND gate AG1, but passed through an AND gate AG2 to be inputted to a CPU from an input terminal (b) for an erasure signal for KANA characters having neither the DAKUTEN nor HANDAKUTEN (symbol deg. showing a ''p'' sound), thereby erasing only one KANA character. On the other hadn, when a DAKUTEN or HANDAKUTEN key is pushed on a key input part K2 after the depression of the key input part K1 and in this state the erasure key K3 is pushed, the code signal ''1'' is passed (Q=1) through the AND gate AG1 from a terminal T3 and inputted to an input terminal (a) for an erasure signal for KANA characters accompanied by the DAKUTEN or HANDAKUTEN, thereby erasing one KANA character with the DAKUTEN or HANDAKUTEN. |
