| 摘要 |
PURPOSE:To realize a display of a various types of display contents by switching and with a key and facilitate the versatility of input information to a keyboard device, by displaying the information supplied based on the selection information to a display medium at a keying part. CONSTITUTION:An external controller transmits the selection information to a display control part 8 to select a character pattern to be displayed. Based on this selection information, the part 8 reads the pattern information out of a font memory 11 and stores it in a display memory 9 to display it on a liquid crystal display 6 for example via a driving circuit 10. Thus a desired character pattern is displayed at the upper surface part of a key 2. With push of this key 2, the proper key information is transmitted to the external controller. The external controller decides the keyed key input information from the proper information of the key 2 and the above-mentioned selection information. |
