| 摘要 |
PURPOSE:To reduce the number of keys and shorten the selection time of keys, by providing a prescribed number of keys corresponding to retrieval codes and calling and displaying retrieval codes other than retrieval codes corresponding to these provided keys in accordance with the number of times of depression of these character keys. CONSTITUTION:Information inputted from a keyboard 6 is inputted to a CPU and is processed in the CPU, and prescribed information is displayed on a display part 5. A key group 7 consists of keys ''a'', ''ka'',...''wa'' corresponding to characters with which respective lines of the table of Japanese syllabary begin. For example, ''a'', ''i'', ''u'', ''e'', or ''o'' is discriminated in accordance with the number of times of depression of the key ''a'' of the key group 7. That is, the key ''a'' is depressed once to determine ''a'', and the key ''a'' is depressed five times to determine ''o''. |
