| 摘要 |
PCT No. PCT/KR92/00021 Sec. 371 Date Feb. 14, 1994 Sec. 102(e) Date Feb. 14, 1994 PCT Filed Jun. 5, 1992 PCT Pub. No. WO92/22864 PCT Pub. Date Dec. 23, 1992.A multipurpose optical intelligent key board apparatus permitting a plurality of key tops made of transparent materials in an optical dot matrix arrangement to be moved upward and downward. It forces the corresponding positions of the optical dot matrix to be turned on or off, so that a computer or an electronic appliance can be operated by predetermined key inputs. Therefore, the function command words and characters appearing on the key tops are displayed by a display device supported by its software.
|
