DISPLAY STRUCTURE OF KEY TOP

摘要

PROBLEM TO BE SOLVED: To provide a display structure of a key top capable of displaying many corresponding functions by one knob. SOLUTION: The light emitted from letters or images displayed on a prescribed position of a display device 6 arranged on the backside of a panel 5 is led to the surface of a key top 7 by a mirror surface part 8a of a knob 8 constructing a prism together with a mirror surface 8 and a prism. It becomes unnecessary to change the knob for changing the display of the key top by arranging a light path 5a guiding the letters or images displayed on the prescribed position of the display device 6 to the key top 7. COPYRIGHT: (C)2005,JPO&NCIPI